File: | fast-import.c |
Location: | line 2995, column 23 |
Description: | Value stored to 'oe' during its initialization is never read |
1 | /* |
2 | (See Documentation/git-fast-import.txt for maintained documentation.) |
3 | Format of STDIN stream: |
4 | |
5 | stream ::= cmd*; |
6 | |
7 | cmd ::= new_blob |
8 | | new_commit |
9 | | new_tag |
10 | | reset_branch |
11 | | checkpoint |
12 | | progress |
13 | ; |
14 | |
15 | new_blob ::= 'blob' lf |
16 | mark? |
17 | file_content; |
18 | file_content ::= data; |
19 | |
20 | new_commit ::= 'commit' sp ref_str lf |
21 | mark? |
22 | ('author' (sp name)? sp '<' email '>' sp when lf)? |
23 | 'committer' (sp name)? sp '<' email '>' sp when lf |
24 | commit_msg |
25 | ('from' sp commit-ish lf)? |
26 | ('merge' sp commit-ish lf)* |
27 | (file_change | ls)* |
28 | lf?; |
29 | commit_msg ::= data; |
30 | |
31 | ls ::= 'ls' sp '"' quoted(path) '"' lf; |
32 | |
33 | file_change ::= file_clr |
34 | | file_del |
35 | | file_rnm |
36 | | file_cpy |
37 | | file_obm |
38 | | file_inm; |
39 | file_clr ::= 'deleteall' lf; |
40 | file_del ::= 'D' sp path_str lf; |
41 | file_rnm ::= 'R' sp path_str sp path_str lf; |
42 | file_cpy ::= 'C' sp path_str sp path_str lf; |
43 | file_obm ::= 'M' sp mode sp (hexsha1 | idnum) sp path_str lf; |
44 | file_inm ::= 'M' sp mode sp 'inline' sp path_str lf |
45 | data; |
46 | note_obm ::= 'N' sp (hexsha1 | idnum) sp commit-ish lf; |
47 | note_inm ::= 'N' sp 'inline' sp commit-ish lf |
48 | data; |
49 | |
50 | new_tag ::= 'tag' sp tag_str lf |
51 | 'from' sp commit-ish lf |
52 | ('tagger' (sp name)? sp '<' email '>' sp when lf)? |
53 | tag_msg; |
54 | tag_msg ::= data; |
55 | |
56 | reset_branch ::= 'reset' sp ref_str lf |
57 | ('from' sp commit-ish lf)? |
58 | lf?; |
59 | |
60 | checkpoint ::= 'checkpoint' lf |
61 | lf?; |
62 | |
63 | progress ::= 'progress' sp not_lf* lf |
64 | lf?; |
65 | |
66 | # note: the first idnum in a stream should be 1 and subsequent |
67 | # idnums should not have gaps between values as this will cause |
68 | # the stream parser to reserve space for the gapped values. An |
69 | # idnum can be updated in the future to a new object by issuing |
70 | # a new mark directive with the old idnum. |
71 | # |
72 | mark ::= 'mark' sp idnum lf; |
73 | data ::= (delimited_data | exact_data) |
74 | lf?; |
75 | |
76 | # note: delim may be any string but must not contain lf. |
77 | # data_line may contain any data but must not be exactly |
78 | # delim. |
79 | delimited_data ::= 'data' sp '<<' delim lf |
80 | (data_line lf)* |
81 | delim lf; |
82 | |
83 | # note: declen indicates the length of binary_data in bytes. |
84 | # declen does not include the lf preceding the binary data. |
85 | # |
86 | exact_data ::= 'data' sp declen lf |
87 | binary_data; |
88 | |
89 | # note: quoted strings are C-style quoting supporting \c for |
90 | # common escapes of 'c' (e..g \n, \t, \\, \") or \nnn where nnn |
91 | # is the signed byte value in octal. Note that the only |
92 | # characters which must actually be escaped to protect the |
93 | # stream formatting is: \, " and LF. Otherwise these values |
94 | # are UTF8. |
95 | # |
96 | commit-ish ::= (ref_str | hexsha1 | sha1exp_str | idnum); |
97 | ref_str ::= ref; |
98 | sha1exp_str ::= sha1exp; |
99 | tag_str ::= tag; |
100 | path_str ::= path | '"' quoted(path) '"' ; |
101 | mode ::= '100644' | '644' |
102 | | '100755' | '755' |
103 | | '120000' |
104 | ; |
105 | |
106 | declen ::= # unsigned 32 bit value, ascii base10 notation; |
107 | bigint ::= # unsigned integer value, ascii base10 notation; |
108 | binary_data ::= # file content, not interpreted; |
109 | |
110 | when ::= raw_when | rfc2822_when; |
111 | raw_when ::= ts sp tz; |
112 | rfc2822_when ::= # Valid RFC 2822 date and time; |
113 | |
114 | sp ::= # ASCII space character; |
115 | lf ::= # ASCII newline (LF) character; |
116 | |
117 | # note: a colon (':') must precede the numerical value assigned to |
118 | # an idnum. This is to distinguish it from a ref or tag name as |
119 | # GIT does not permit ':' in ref or tag strings. |
120 | # |
121 | idnum ::= ':' bigint; |
122 | path ::= # GIT style file path, e.g. "a/b/c"; |
123 | ref ::= # GIT ref name, e.g. "refs/heads/MOZ_GECKO_EXPERIMENT"; |
124 | tag ::= # GIT tag name, e.g. "FIREFOX_1_5"; |
125 | sha1exp ::= # Any valid GIT SHA1 expression; |
126 | hexsha1 ::= # SHA1 in hexadecimal format; |
127 | |
128 | # note: name and email are UTF8 strings, however name must not |
129 | # contain '<' or lf and email must not contain any of the |
130 | # following: '<', '>', lf. |
131 | # |
132 | name ::= # valid GIT author/committer name; |
133 | email ::= # valid GIT author/committer email; |
134 | ts ::= # time since the epoch in seconds, ascii base10 notation; |
135 | tz ::= # GIT style timezone; |
136 | |
137 | # note: comments, get-mark, ls-tree, and cat-blob requests may |
138 | # appear anywhere in the input, except within a data command. Any |
139 | # form of the data command always escapes the related input from |
140 | # comment processing. |
141 | # |
142 | # In case it is not clear, the '#' that starts the comment |
143 | # must be the first character on that line (an lf |
144 | # preceded it). |
145 | # |
146 | |
147 | get_mark ::= 'get-mark' sp idnum lf; |
148 | cat_blob ::= 'cat-blob' sp (hexsha1 | idnum) lf; |
149 | ls_tree ::= 'ls' sp (hexsha1 | idnum) sp path_str lf; |
150 | |
151 | comment ::= '#' not_lf* lf; |
152 | not_lf ::= # Any byte that is not ASCII newline (LF); |
153 | */ |
154 | |
155 | #include "builtin.h" |
156 | #include "cache.h" |
157 | #include "lockfile.h" |
158 | #include "object.h" |
159 | #include "blob.h" |
160 | #include "tree.h" |
161 | #include "commit.h" |
162 | #include "delta.h" |
163 | #include "pack.h" |
164 | #include "refs.h" |
165 | #include "csum-file.h" |
166 | #include "quote.h" |
167 | #include "dir.h" |
168 | #include "run-command.h" |
169 | |
170 | #define PACK_ID_BITS16 16 |
171 | #define MAX_PACK_ID((1<<16)-1) ((1<<PACK_ID_BITS16)-1) |
172 | #define DEPTH_BITS13 13 |
173 | #define MAX_DEPTH((1<<13)-1) ((1<<DEPTH_BITS13)-1) |
174 | |
175 | /* |
176 | * We abuse the setuid bit on directories to mean "do not delta". |
177 | */ |
178 | #define NO_DELTA0004000 S_ISUID0004000 |
179 | |
180 | struct object_entry { |
181 | struct pack_idx_entry idx; |
182 | struct object_entry *next; |
183 | uint32_t type : TYPE_BITS3, |
184 | pack_id : PACK_ID_BITS16, |
185 | depth : DEPTH_BITS13; |
186 | }; |
187 | |
188 | struct object_entry_pool { |
189 | struct object_entry_pool *next_pool; |
190 | struct object_entry *next_free; |
191 | struct object_entry *end; |
192 | struct object_entry entries[FLEX_ARRAY]; /* more */ |
193 | }; |
194 | |
195 | struct mark_set { |
196 | union { |
197 | struct object_entry *marked[1024]; |
198 | struct mark_set *sets[1024]; |
199 | } data; |
200 | unsigned int shift; |
201 | }; |
202 | |
203 | struct last_object { |
204 | struct strbuf data; |
205 | off_t offset; |
206 | unsigned int depth; |
207 | unsigned no_swap : 1; |
208 | }; |
209 | |
210 | struct mem_pool { |
211 | struct mem_pool *next_pool; |
212 | char *next_free; |
213 | char *end; |
214 | uintmax_t space[FLEX_ARRAY]; /* more */ |
215 | }; |
216 | |
217 | struct atom_str { |
218 | struct atom_str *next_atom; |
219 | unsigned short str_len; |
220 | char str_dat[FLEX_ARRAY]; /* more */ |
221 | }; |
222 | |
223 | struct tree_content; |
224 | struct tree_entry { |
225 | struct tree_content *tree; |
226 | struct atom_str *name; |
227 | struct tree_entry_ms { |
228 | uint16_t mode; |
229 | unsigned char sha1[20]; |
230 | } versions[2]; |
231 | }; |
232 | |
233 | struct tree_content { |
234 | unsigned int entry_capacity; /* must match avail_tree_content */ |
235 | unsigned int entry_count; |
236 | unsigned int delta_depth; |
237 | struct tree_entry *entries[FLEX_ARRAY]; /* more */ |
238 | }; |
239 | |
240 | struct avail_tree_content { |
241 | unsigned int entry_capacity; /* must match tree_content */ |
242 | struct avail_tree_content *next_avail; |
243 | }; |
244 | |
245 | struct branch { |
246 | struct branch *table_next_branch; |
247 | struct branch *active_next_branch; |
248 | const char *name; |
249 | struct tree_entry branch_tree; |
250 | uintmax_t last_commit; |
251 | uintmax_t num_notes; |
252 | unsigned active : 1; |
253 | unsigned delete : 1; |
254 | unsigned pack_id : PACK_ID_BITS16; |
255 | unsigned char sha1[20]; |
256 | }; |
257 | |
258 | struct tag { |
259 | struct tag *next_tag; |
260 | const char *name; |
261 | unsigned int pack_id; |
262 | unsigned char sha1[20]; |
263 | }; |
264 | |
265 | struct hash_list { |
266 | struct hash_list *next; |
267 | unsigned char sha1[20]; |
268 | }; |
269 | |
270 | typedef enum { |
271 | WHENSPEC_RAW = 1, |
272 | WHENSPEC_RFC2822, |
273 | WHENSPEC_NOW |
274 | } whenspec_type; |
275 | |
276 | struct recent_command { |
277 | struct recent_command *prev; |
278 | struct recent_command *next; |
279 | char *buf; |
280 | }; |
281 | |
282 | /* Configured limits on output */ |
283 | static unsigned long max_depth = 10; |
284 | static off_t max_packsize; |
285 | static int unpack_limit = 100; |
286 | static int force_update; |
287 | |
288 | /* Stats and misc. counters */ |
289 | static uintmax_t alloc_count; |
290 | static uintmax_t marks_set_count; |
291 | static uintmax_t object_count_by_type[1 << TYPE_BITS3]; |
292 | static uintmax_t duplicate_count_by_type[1 << TYPE_BITS3]; |
293 | static uintmax_t delta_count_by_type[1 << TYPE_BITS3]; |
294 | static uintmax_t delta_count_attempts_by_type[1 << TYPE_BITS3]; |
295 | static unsigned long object_count; |
296 | static unsigned long branch_count; |
297 | static unsigned long branch_load_count; |
298 | static int failure; |
299 | static FILE *pack_edges; |
300 | static unsigned int show_stats = 1; |
301 | static int global_argc; |
302 | static const char **global_argv; |
303 | |
304 | /* Memory pools */ |
305 | static size_t mem_pool_alloc = 2*1024*1024 - sizeof(struct mem_pool); |
306 | static size_t total_allocd; |
307 | static struct mem_pool *mem_pool; |
308 | |
309 | /* Atom management */ |
310 | static unsigned int atom_table_sz = 4451; |
311 | static unsigned int atom_cnt; |
312 | static struct atom_str **atom_table; |
313 | |
314 | /* The .pack file being generated */ |
315 | static struct pack_idx_option pack_idx_opts; |
316 | static unsigned int pack_id; |
317 | static struct sha1file *pack_file; |
318 | static struct packed_git *pack_data; |
319 | static struct packed_git **all_packs; |
320 | static off_t pack_size; |
321 | |
322 | /* Table of objects we've written. */ |
323 | static unsigned int object_entry_alloc = 5000; |
324 | static struct object_entry_pool *blocks; |
325 | static struct object_entry *object_table[1 << 16]; |
326 | static struct mark_set *marks; |
327 | static const char *export_marks_file; |
328 | static const char *import_marks_file; |
329 | static int import_marks_file_from_stream; |
330 | static int import_marks_file_ignore_missing; |
331 | static int import_marks_file_done; |
332 | static int relative_marks_paths; |
333 | |
334 | /* Our last blob */ |
335 | static struct last_object last_blob = { STRBUF_INIT{ 0, 0, strbuf_slopbuf }, 0, 0, 0 }; |
336 | |
337 | /* Tree management */ |
338 | static unsigned int tree_entry_alloc = 1000; |
339 | static void *avail_tree_entry; |
340 | static unsigned int avail_tree_table_sz = 100; |
341 | static struct avail_tree_content **avail_tree_table; |
342 | static struct strbuf old_tree = STRBUF_INIT{ 0, 0, strbuf_slopbuf }; |
343 | static struct strbuf new_tree = STRBUF_INIT{ 0, 0, strbuf_slopbuf }; |
344 | |
345 | /* Branch data */ |
346 | static unsigned long max_active_branches = 5; |
347 | static unsigned long cur_active_branches; |
348 | static unsigned long branch_table_sz = 1039; |
349 | static struct branch **branch_table; |
350 | static struct branch *active_branches; |
351 | |
352 | /* Tag data */ |
353 | static struct tag *first_tag; |
354 | static struct tag *last_tag; |
355 | |
356 | /* Input stream parsing */ |
357 | static whenspec_type whenspec = WHENSPEC_RAW; |
358 | static struct strbuf command_buf = STRBUF_INIT{ 0, 0, strbuf_slopbuf }; |
359 | static int unread_command_buf; |
360 | static struct recent_command cmd_hist = {&cmd_hist, &cmd_hist, NULL((void*)0)}; |
361 | static struct recent_command *cmd_tail = &cmd_hist; |
362 | static struct recent_command *rc_free; |
363 | static unsigned int cmd_save = 100; |
364 | static uintmax_t next_mark; |
365 | static struct strbuf new_data = STRBUF_INIT{ 0, 0, strbuf_slopbuf }; |
366 | static int seen_data_command; |
367 | static int require_explicit_termination; |
368 | |
369 | /* Signal handling */ |
370 | static volatile sig_atomic_t checkpoint_requested; |
371 | |
372 | /* Where to write output of cat-blob commands */ |
373 | static int cat_blob_fd = STDOUT_FILENO1; |
374 | |
375 | static void parse_argv(void); |
376 | static void parse_get_mark(const char *p); |
377 | static void parse_cat_blob(const char *p); |
378 | static void parse_ls(const char *p, struct branch *b); |
379 | |
380 | static void write_branch_report(FILE *rpt, struct branch *b) |
381 | { |
382 | fprintf(rpt, "%s:\n", b->name); |
383 | |
384 | fprintf(rpt, " status :"); |
385 | if (b->active) |
386 | fputs(" active", rpt); |
387 | if (b->branch_tree.tree) |
388 | fputs(" loaded", rpt); |
389 | if (is_null_sha1(b->branch_tree.versions[1].sha1)) |
390 | fputs(" dirty", rpt); |
391 | fputc('\n', rpt); |
392 | |
393 | fprintf(rpt, " tip commit : %s\n", sha1_to_hex(b->sha1)); |
394 | fprintf(rpt, " old tree : %s\n", sha1_to_hex(b->branch_tree.versions[0].sha1)); |
395 | fprintf(rpt, " cur tree : %s\n", sha1_to_hex(b->branch_tree.versions[1].sha1)); |
396 | fprintf(rpt, " commit clock: %" PRIuMAX"j" "u" "\n", b->last_commit); |
397 | |
398 | fputs(" last pack : ", rpt); |
399 | if (b->pack_id < MAX_PACK_ID((1<<16)-1)) |
400 | fprintf(rpt, "%u", b->pack_id); |
401 | fputc('\n', rpt); |
402 | |
403 | fputc('\n', rpt); |
404 | } |
405 | |
406 | static void dump_marks_helper(FILE *, uintmax_t, struct mark_set *); |
407 | |
408 | static void write_crash_report(const char *err) |
409 | { |
410 | char *loc = git_pathdup("fast_import_crash_%"PRIuMAX"j" "u", (uintmax_t) getpid()); |
411 | FILE *rpt = fopen(loc, "w"); |
412 | struct branch *b; |
413 | unsigned long lu; |
414 | struct recent_command *rc; |
415 | |
416 | if (!rpt) { |
417 | error_errno("can't write crash report %s", loc)(error_errno("can't write crash report %s", loc), const_error ()); |
418 | free(loc); |
419 | return; |
420 | } |
421 | |
422 | fprintf(stderr__stderrp, "fast-import: dumping crash report to %s\n", loc); |
423 | |
424 | fprintf(rpt, "fast-import crash report:\n"); |
425 | fprintf(rpt, " fast-import process: %"PRIuMAX"j" "u""\n", (uintmax_t) getpid()); |
426 | fprintf(rpt, " parent process : %"PRIuMAX"j" "u""\n", (uintmax_t) getppid()); |
427 | fprintf(rpt, " at %s\n", show_date(time(NULL((void*)0)), 0, DATE_MODE(ISO8601)date_mode_from_type(DATE_ISO8601))); |
428 | fputc('\n', rpt); |
429 | |
430 | fputs("fatal: ", rpt); |
431 | fputs(err, rpt); |
432 | fputc('\n', rpt); |
433 | |
434 | fputc('\n', rpt); |
435 | fputs("Most Recent Commands Before Crash\n", rpt); |
436 | fputs("---------------------------------\n", rpt); |
437 | for (rc = cmd_hist.next; rc != &cmd_hist; rc = rc->next) { |
438 | if (rc->next == &cmd_hist) |
439 | fputs("* ", rpt); |
440 | else |
441 | fputs(" ", rpt); |
442 | fputs(rc->buf, rpt); |
443 | fputc('\n', rpt); |
444 | } |
445 | |
446 | fputc('\n', rpt); |
447 | fputs("Active Branch LRU\n", rpt); |
448 | fputs("-----------------\n", rpt); |
449 | fprintf(rpt, " active_branches = %lu cur, %lu max\n", |
450 | cur_active_branches, |
451 | max_active_branches); |
452 | fputc('\n', rpt); |
453 | fputs(" pos clock name\n", rpt); |
454 | fputs(" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n", rpt); |
455 | for (b = active_branches, lu = 0; b; b = b->active_next_branch) |
456 | fprintf(rpt, " %2lu) %6" PRIuMAX"j" "u"" %s\n", |
457 | ++lu, b->last_commit, b->name); |
458 | |
459 | fputc('\n', rpt); |
460 | fputs("Inactive Branches\n", rpt); |
461 | fputs("-----------------\n", rpt); |
462 | for (lu = 0; lu < branch_table_sz; lu++) { |
463 | for (b = branch_table[lu]; b; b = b->table_next_branch) |
464 | write_branch_report(rpt, b); |
465 | } |
466 | |
467 | if (first_tag) { |
468 | struct tag *tg; |
469 | fputc('\n', rpt); |
470 | fputs("Annotated Tags\n", rpt); |
471 | fputs("--------------\n", rpt); |
472 | for (tg = first_tag; tg; tg = tg->next_tag) { |
473 | fputs(sha1_to_hex(tg->sha1), rpt); |
474 | fputc(' ', rpt); |
475 | fputs(tg->name, rpt); |
476 | fputc('\n', rpt); |
477 | } |
478 | } |
479 | |
480 | fputc('\n', rpt); |
481 | fputs("Marks\n", rpt); |
482 | fputs("-----\n", rpt); |
483 | if (export_marks_file) |
484 | fprintf(rpt, " exported to %s\n", export_marks_file); |
485 | else |
486 | dump_marks_helper(rpt, 0, marks); |
487 | |
488 | fputc('\n', rpt); |
489 | fputs("-------------------\n", rpt); |
490 | fputs("END OF CRASH REPORT\n", rpt); |
491 | fclose(rpt); |
492 | free(loc); |
493 | } |
494 | |
495 | static void end_packfile(void); |
496 | static void unkeep_all_packs(void); |
497 | static void dump_marks(void); |
498 | |
499 | static NORETURN__attribute__((__noreturn__)) void die_nicely(const char *err, va_list params) |
500 | { |
501 | static int zombie; |
502 | char message[2 * PATH_MAX1024]; |
503 | |
504 | vsnprintf(message, sizeof(message), err, params)__builtin___vsnprintf_chk (message, sizeof(message), 0, __builtin_object_size (message, 2 > 1 ? 1 : 0), err, params); |
505 | fputs("fatal: ", stderr__stderrp); |
506 | fputs(message, stderr__stderrp); |
507 | fputc('\n', stderr__stderrp); |
508 | |
509 | if (!zombie) { |
510 | zombie = 1; |
511 | write_crash_report(message); |
512 | end_packfile(); |
513 | unkeep_all_packs(); |
514 | dump_marks(); |
515 | } |
516 | exit(128); |
517 | } |
518 | |
519 | #ifndef SIGUSR130 /* Windows, for example */ |
520 | |
521 | static void set_checkpoint_signal(void) |
522 | { |
523 | } |
524 | |
525 | #else |
526 | |
527 | static void checkpoint_signal(int signo) |
528 | { |
529 | checkpoint_requested = 1; |
530 | } |
531 | |
532 | static void set_checkpoint_signal(void) |
533 | { |
534 | struct sigaction sa; |
535 | |
536 | memset(&sa, 0, sizeof(sa))__builtin___memset_chk (&sa, 0, sizeof(sa), __builtin_object_size (&sa, 0)); |
537 | sa.sa_handler__sigaction_u.__sa_handler = checkpoint_signal; |
538 | sigemptyset(&sa.sa_mask)(*(&sa.sa_mask) = 0, 0); |
539 | sa.sa_flags = SA_RESTART0x0002; |
540 | sigaction(SIGUSR130, &sa, NULL((void*)0)); |
541 | } |
542 | |
543 | #endif |
544 | |
545 | static void alloc_objects(unsigned int cnt) |
546 | { |
547 | struct object_entry_pool *b; |
548 | |
549 | b = xmalloc(sizeof(struct object_entry_pool) |
550 | + cnt * sizeof(struct object_entry)); |
551 | b->next_pool = blocks; |
552 | b->next_free = b->entries; |
553 | b->end = b->entries + cnt; |
554 | blocks = b; |
555 | alloc_count += cnt; |
556 | } |
557 | |
558 | static struct object_entry *new_object(unsigned char *sha1) |
559 | { |
560 | struct object_entry *e; |
561 | |
562 | if (blocks->next_free == blocks->end) |
563 | alloc_objects(object_entry_alloc); |
564 | |
565 | e = blocks->next_free++; |
566 | hashcpy(e->idx.sha1, sha1); |
567 | return e; |
568 | } |
569 | |
570 | static struct object_entry *find_object(unsigned char *sha1) |
571 | { |
572 | unsigned int h = sha1[0] << 8 | sha1[1]; |
573 | struct object_entry *e; |
574 | for (e = object_table[h]; e; e = e->next) |
575 | if (!hashcmp(sha1, e->idx.sha1)) |
576 | return e; |
577 | return NULL((void*)0); |
578 | } |
579 | |
580 | static struct object_entry *insert_object(unsigned char *sha1) |
581 | { |
582 | unsigned int h = sha1[0] << 8 | sha1[1]; |
583 | struct object_entry *e = object_table[h]; |
584 | |
585 | while (e) { |
586 | if (!hashcmp(sha1, e->idx.sha1)) |
587 | return e; |
588 | e = e->next; |
589 | } |
590 | |
591 | e = new_object(sha1); |
592 | e->next = object_table[h]; |
593 | e->idx.offset = 0; |
594 | object_table[h] = e; |
595 | return e; |
596 | } |
597 | |
598 | static void invalidate_pack_id(unsigned int id) |
599 | { |
600 | unsigned int h; |
601 | unsigned long lu; |
602 | struct tag *t; |
603 | |
604 | for (h = 0; h < ARRAY_SIZE(object_table)(sizeof(object_table) / sizeof((object_table)[0]) + (sizeof(char [1 - 2*!(!__builtin_types_compatible_p(__typeof__(object_table ), __typeof__(&(object_table)[0])))]) - 1)); h++) { |
605 | struct object_entry *e; |
606 | |
607 | for (e = object_table[h]; e; e = e->next) |
608 | if (e->pack_id == id) |
609 | e->pack_id = MAX_PACK_ID((1<<16)-1); |
610 | } |
611 | |
612 | for (lu = 0; lu < branch_table_sz; lu++) { |
613 | struct branch *b; |
614 | |
615 | for (b = branch_table[lu]; b; b = b->table_next_branch) |
616 | if (b->pack_id == id) |
617 | b->pack_id = MAX_PACK_ID((1<<16)-1); |
618 | } |
619 | |
620 | for (t = first_tag; t; t = t->next_tag) |
621 | if (t->pack_id == id) |
622 | t->pack_id = MAX_PACK_ID((1<<16)-1); |
623 | } |
624 | |
625 | static unsigned int hc_str(const char *s, size_t len) |
626 | { |
627 | unsigned int r = 0; |
628 | while (len-- > 0) |
629 | r = r * 31 + *s++; |
630 | return r; |
631 | } |
632 | |
633 | static void *pool_alloc(size_t len) |
634 | { |
635 | struct mem_pool *p; |
636 | void *r; |
637 | |
638 | /* round up to a 'uintmax_t' alignment */ |
639 | if (len & (sizeof(uintmax_t) - 1)) |
640 | len += sizeof(uintmax_t) - (len & (sizeof(uintmax_t) - 1)); |
641 | |
642 | for (p = mem_pool; p; p = p->next_pool) |
643 | if ((p->end - p->next_free >= len)) |
644 | break; |
645 | |
646 | if (!p) { |
647 | if (len >= (mem_pool_alloc/2)) { |
648 | total_allocd += len; |
649 | return xmalloc(len); |
650 | } |
651 | total_allocd += sizeof(struct mem_pool) + mem_pool_alloc; |
652 | p = xmalloc(st_add(sizeof(struct mem_pool), mem_pool_alloc)); |
653 | p->next_pool = mem_pool; |
654 | p->next_free = (char *) p->space; |
655 | p->end = p->next_free + mem_pool_alloc; |
656 | mem_pool = p; |
657 | } |
658 | |
659 | r = p->next_free; |
660 | p->next_free += len; |
661 | return r; |
662 | } |
663 | |
664 | static void *pool_calloc(size_t count, size_t size) |
665 | { |
666 | size_t len = count * size; |
667 | void *r = pool_alloc(len); |
668 | memset(r, 0, len)__builtin___memset_chk (r, 0, len, __builtin_object_size (r, 0 )); |
669 | return r; |
670 | } |
671 | |
672 | static char *pool_strdup(const char *s) |
673 | { |
674 | size_t len = strlen(s) + 1; |
675 | char *r = pool_alloc(len); |
676 | memcpy(r, s, len)__builtin___memcpy_chk (r, s, len, __builtin_object_size (r, 0 )); |
677 | return r; |
678 | } |
679 | |
680 | static void insert_mark(uintmax_t idnum, struct object_entry *oe) |
681 | { |
682 | struct mark_set *s = marks; |
683 | while ((idnum >> s->shift) >= 1024) { |
684 | s = pool_calloc(1, sizeof(struct mark_set)); |
685 | s->shift = marks->shift + 10; |
686 | s->data.sets[0] = marks; |
687 | marks = s; |
688 | } |
689 | while (s->shift) { |
690 | uintmax_t i = idnum >> s->shift; |
691 | idnum -= i << s->shift; |
692 | if (!s->data.sets[i]) { |
693 | s->data.sets[i] = pool_calloc(1, sizeof(struct mark_set)); |
694 | s->data.sets[i]->shift = s->shift - 10; |
695 | } |
696 | s = s->data.sets[i]; |
697 | } |
698 | if (!s->data.marked[idnum]) |
699 | marks_set_count++; |
700 | s->data.marked[idnum] = oe; |
701 | } |
702 | |
703 | static struct object_entry *find_mark(uintmax_t idnum) |
704 | { |
705 | uintmax_t orig_idnum = idnum; |
706 | struct mark_set *s = marks; |
707 | struct object_entry *oe = NULL((void*)0); |
708 | if ((idnum >> s->shift) < 1024) { |
709 | while (s && s->shift) { |
710 | uintmax_t i = idnum >> s->shift; |
711 | idnum -= i << s->shift; |
712 | s = s->data.sets[i]; |
713 | } |
714 | if (s) |
715 | oe = s->data.marked[idnum]; |
716 | } |
717 | if (!oe) |
718 | die("mark :%" PRIuMAX"j" "u" " not declared", orig_idnum); |
719 | return oe; |
720 | } |
721 | |
722 | static struct atom_str *to_atom(const char *s, unsigned short len) |
723 | { |
724 | unsigned int hc = hc_str(s, len) % atom_table_sz; |
725 | struct atom_str *c; |
726 | |
727 | for (c = atom_table[hc]; c; c = c->next_atom) |
728 | if (c->str_len == len && !strncmp(s, c->str_dat, len)) |
729 | return c; |
730 | |
731 | c = pool_alloc(sizeof(struct atom_str) + len + 1); |
732 | c->str_len = len; |
733 | memcpy(c->str_dat, s, len)__builtin___memcpy_chk (c->str_dat, s, len, __builtin_object_size (c->str_dat, 0)); |
734 | c->str_dat[len] = 0; |
735 | c->next_atom = atom_table[hc]; |
736 | atom_table[hc] = c; |
737 | atom_cnt++; |
738 | return c; |
739 | } |
740 | |
741 | static struct branch *lookup_branch(const char *name) |
742 | { |
743 | unsigned int hc = hc_str(name, strlen(name)) % branch_table_sz; |
744 | struct branch *b; |
745 | |
746 | for (b = branch_table[hc]; b; b = b->table_next_branch) |
747 | if (!strcmp(name, b->name)) |
748 | return b; |
749 | return NULL((void*)0); |
750 | } |
751 | |
752 | static struct branch *new_branch(const char *name) |
753 | { |
754 | unsigned int hc = hc_str(name, strlen(name)) % branch_table_sz; |
755 | struct branch *b = lookup_branch(name); |
756 | |
757 | if (b) |
758 | die("Invalid attempt to create duplicate branch: %s", name); |
759 | if (check_refname_format(name, REFNAME_ALLOW_ONELEVEL1)) |
760 | die("Branch name doesn't conform to GIT standards: %s", name); |
761 | |
762 | b = pool_calloc(1, sizeof(struct branch)); |
763 | b->name = pool_strdup(name); |
764 | b->table_next_branch = branch_table[hc]; |
765 | b->branch_tree.versions[0].mode = S_IFDIR0040000; |
766 | b->branch_tree.versions[1].mode = S_IFDIR0040000; |
767 | b->num_notes = 0; |
768 | b->active = 0; |
769 | b->pack_id = MAX_PACK_ID((1<<16)-1); |
770 | branch_table[hc] = b; |
771 | branch_count++; |
772 | return b; |
773 | } |
774 | |
775 | static unsigned int hc_entries(unsigned int cnt) |
776 | { |
777 | cnt = cnt & 7 ? (cnt / 8) + 1 : cnt / 8; |
778 | return cnt < avail_tree_table_sz ? cnt : avail_tree_table_sz - 1; |
779 | } |
780 | |
781 | static struct tree_content *new_tree_content(unsigned int cnt) |
782 | { |
783 | struct avail_tree_content *f, *l = NULL((void*)0); |
784 | struct tree_content *t; |
785 | unsigned int hc = hc_entries(cnt); |
786 | |
787 | for (f = avail_tree_table[hc]; f; l = f, f = f->next_avail) |
788 | if (f->entry_capacity >= cnt) |
789 | break; |
790 | |
791 | if (f) { |
792 | if (l) |
793 | l->next_avail = f->next_avail; |
794 | else |
795 | avail_tree_table[hc] = f->next_avail; |
796 | } else { |
797 | cnt = cnt & 7 ? ((cnt / 8) + 1) * 8 : cnt; |
798 | f = pool_alloc(sizeof(*t) + sizeof(t->entries[0]) * cnt); |
799 | f->entry_capacity = cnt; |
800 | } |
801 | |
802 | t = (struct tree_content*)f; |
803 | t->entry_count = 0; |
804 | t->delta_depth = 0; |
805 | return t; |
806 | } |
807 | |
808 | static void release_tree_entry(struct tree_entry *e); |
809 | static void release_tree_content(struct tree_content *t) |
810 | { |
811 | struct avail_tree_content *f = (struct avail_tree_content*)t; |
812 | unsigned int hc = hc_entries(f->entry_capacity); |
813 | f->next_avail = avail_tree_table[hc]; |
814 | avail_tree_table[hc] = f; |
815 | } |
816 | |
817 | static void release_tree_content_recursive(struct tree_content *t) |
818 | { |
819 | unsigned int i; |
820 | for (i = 0; i < t->entry_count; i++) |
821 | release_tree_entry(t->entries[i]); |
822 | release_tree_content(t); |
823 | } |
824 | |
825 | static struct tree_content *grow_tree_content( |
826 | struct tree_content *t, |
827 | int amt) |
828 | { |
829 | struct tree_content *r = new_tree_content(t->entry_count + amt); |
830 | r->entry_count = t->entry_count; |
831 | r->delta_depth = t->delta_depth; |
832 | memcpy(r->entries,t->entries,t->entry_count*sizeof(t->entries[0]))__builtin___memcpy_chk (r->entries, t->entries, t->entry_count *sizeof(t->entries[0]), __builtin_object_size (r->entries , 0)); |
833 | release_tree_content(t); |
834 | return r; |
835 | } |
836 | |
837 | static struct tree_entry *new_tree_entry(void) |
838 | { |
839 | struct tree_entry *e; |
840 | |
841 | if (!avail_tree_entry) { |
842 | unsigned int n = tree_entry_alloc; |
843 | total_allocd += n * sizeof(struct tree_entry); |
844 | ALLOC_ARRAY(e, n)(e) = xmalloc(st_mult(sizeof(*(e)), (n))); |
845 | avail_tree_entry = e; |
846 | while (n-- > 1) { |
847 | *((void**)e) = e + 1; |
848 | e++; |
849 | } |
850 | *((void**)e) = NULL((void*)0); |
851 | } |
852 | |
853 | e = avail_tree_entry; |
854 | avail_tree_entry = *((void**)e); |
855 | return e; |
856 | } |
857 | |
858 | static void release_tree_entry(struct tree_entry *e) |
859 | { |
860 | if (e->tree) |
861 | release_tree_content_recursive(e->tree); |
862 | *((void**)e) = avail_tree_entry; |
863 | avail_tree_entry = e; |
864 | } |
865 | |
866 | static struct tree_content *dup_tree_content(struct tree_content *s) |
867 | { |
868 | struct tree_content *d; |
869 | struct tree_entry *a, *b; |
870 | unsigned int i; |
871 | |
872 | if (!s) |
873 | return NULL((void*)0); |
874 | d = new_tree_content(s->entry_count); |
875 | for (i = 0; i < s->entry_count; i++) { |
876 | a = s->entries[i]; |
877 | b = new_tree_entry(); |
878 | memcpy(b, a, sizeof(*a))__builtin___memcpy_chk (b, a, sizeof(*a), __builtin_object_size (b, 0)); |
879 | if (a->tree && is_null_sha1(b->versions[1].sha1)) |
880 | b->tree = dup_tree_content(a->tree); |
881 | else |
882 | b->tree = NULL((void*)0); |
883 | d->entries[i] = b; |
884 | } |
885 | d->entry_count = s->entry_count; |
886 | d->delta_depth = s->delta_depth; |
887 | |
888 | return d; |
889 | } |
890 | |
891 | static void start_packfile(void) |
892 | { |
893 | static char tmp_file[PATH_MAX1024]; |
894 | struct packed_git *p; |
895 | struct pack_header hdr; |
896 | int pack_fd; |
897 | |
898 | pack_fd = odb_mkstemp(tmp_file, sizeof(tmp_file), |
899 | "pack/tmp_pack_XXXXXX"); |
900 | FLEX_ALLOC_STR(p, pack_name, tmp_file)do { size_t flex_array_len_ = (strlen(tmp_file)); ((p)) = xcalloc (1, st_add(st_add((sizeof(*((p)))),(flex_array_len_)),(1))); __builtin___memcpy_chk ((void *)((p))->pack_name, ((tmp_file)), flex_array_len_, __builtin_object_size ((void *)((p))->pack_name, 0)); } while (0); |
901 | p->pack_fd = pack_fd; |
902 | p->do_not_close = 1; |
903 | pack_file = sha1fd(pack_fd, p->pack_name); |
904 | |
905 | hdr.hdr_signature = htonl(PACK_SIGNATURE)git_bswap32(0x5041434b); |
906 | hdr.hdr_version = htonl(2)git_bswap32(2); |
907 | hdr.hdr_entries = 0; |
908 | sha1write(pack_file, &hdr, sizeof(hdr)); |
909 | |
910 | pack_data = p; |
911 | pack_size = sizeof(hdr); |
912 | object_count = 0; |
913 | |
914 | REALLOC_ARRAY(all_packs, pack_id + 1)(all_packs) = xrealloc((all_packs), st_mult(sizeof(*(all_packs )), (pack_id + 1))); |
915 | all_packs[pack_id] = p; |
916 | } |
917 | |
918 | static const char *create_index(void) |
919 | { |
920 | const char *tmpfile; |
921 | struct pack_idx_entry **idx, **c, **last; |
922 | struct object_entry *e; |
923 | struct object_entry_pool *o; |
924 | |
925 | /* Build the table of object IDs. */ |
926 | ALLOC_ARRAY(idx, object_count)(idx) = xmalloc(st_mult(sizeof(*(idx)), (object_count))); |
927 | c = idx; |
928 | for (o = blocks; o; o = o->next_pool) |
929 | for (e = o->next_free; e-- != o->entries;) |
930 | if (pack_id == e->pack_id) |
931 | *c++ = &e->idx; |
932 | last = idx + object_count; |
933 | if (c != last) |
934 | die("internal consistency error creating the index"); |
935 | |
936 | tmpfile = write_idx_file(NULL((void*)0), idx, object_count, &pack_idx_opts, pack_data->sha1); |
937 | free(idx); |
938 | return tmpfile; |
939 | } |
940 | |
941 | static char *keep_pack(const char *curr_index_name) |
942 | { |
943 | static char name[PATH_MAX1024]; |
944 | static const char *keep_msg = "fast-import"; |
945 | int keep_fd; |
946 | |
947 | keep_fd = odb_pack_keep(name, sizeof(name), pack_data->sha1); |
948 | if (keep_fd < 0) |
949 | die_errno("cannot create keep file"); |
950 | write_or_die(keep_fd, keep_msg, strlen(keep_msg)); |
951 | if (close(keep_fd)) |
952 | die_errno("failed to write keep file"); |
953 | |
954 | snprintf(name, sizeof(name), "%s/pack/pack-%s.pack",__builtin___snprintf_chk (name, sizeof(name), 0, __builtin_object_size (name, 2 > 1 ? 1 : 0), "%s/pack/pack-%s.pack", get_object_directory (), sha1_to_hex(pack_data->sha1)) |
955 | get_object_directory(), sha1_to_hex(pack_data->sha1))__builtin___snprintf_chk (name, sizeof(name), 0, __builtin_object_size (name, 2 > 1 ? 1 : 0), "%s/pack/pack-%s.pack", get_object_directory (), sha1_to_hex(pack_data->sha1)); |
956 | if (finalize_object_file(pack_data->pack_name, name)) |
957 | die("cannot store pack file"); |
958 | |
959 | snprintf(name, sizeof(name), "%s/pack/pack-%s.idx",__builtin___snprintf_chk (name, sizeof(name), 0, __builtin_object_size (name, 2 > 1 ? 1 : 0), "%s/pack/pack-%s.idx", get_object_directory (), sha1_to_hex(pack_data->sha1)) |
960 | get_object_directory(), sha1_to_hex(pack_data->sha1))__builtin___snprintf_chk (name, sizeof(name), 0, __builtin_object_size (name, 2 > 1 ? 1 : 0), "%s/pack/pack-%s.idx", get_object_directory (), sha1_to_hex(pack_data->sha1)); |
961 | if (finalize_object_file(curr_index_name, name)) |
962 | die("cannot store index file"); |
963 | free((void *)curr_index_name); |
964 | return name; |
965 | } |
966 | |
967 | static void unkeep_all_packs(void) |
968 | { |
969 | static char name[PATH_MAX1024]; |
970 | int k; |
971 | |
972 | for (k = 0; k < pack_id; k++) { |
973 | struct packed_git *p = all_packs[k]; |
974 | snprintf(name, sizeof(name), "%s/pack/pack-%s.keep",__builtin___snprintf_chk (name, sizeof(name), 0, __builtin_object_size (name, 2 > 1 ? 1 : 0), "%s/pack/pack-%s.keep", get_object_directory (), sha1_to_hex(p->sha1)) |
975 | get_object_directory(), sha1_to_hex(p->sha1))__builtin___snprintf_chk (name, sizeof(name), 0, __builtin_object_size (name, 2 > 1 ? 1 : 0), "%s/pack/pack-%s.keep", get_object_directory (), sha1_to_hex(p->sha1)); |
976 | unlink_or_warn(name); |
977 | } |
978 | } |
979 | |
980 | static int loosen_small_pack(const struct packed_git *p) |
981 | { |
982 | struct child_process unpack = CHILD_PROCESS_INIT{ ((void*)0), { empty_argv, 0, 0 }, { empty_argv, 0, 0 } }; |
983 | |
984 | if (lseek(p->pack_fd, 0, SEEK_SET0) < 0) |
985 | die_errno("Failed seeking to start of '%s'", p->pack_name); |
986 | |
987 | unpack.in = p->pack_fd; |
988 | unpack.git_cmd = 1; |
989 | unpack.stdout_to_stderr = 1; |
990 | argv_array_push(&unpack.args, "unpack-objects"); |
991 | if (!show_stats) |
992 | argv_array_push(&unpack.args, "-q"); |
993 | |
994 | return run_command(&unpack); |
995 | } |
996 | |
997 | static void end_packfile(void) |
998 | { |
999 | static int running; |
1000 | |
1001 | if (running || !pack_data) |
1002 | return; |
1003 | |
1004 | running = 1; |
1005 | clear_delta_base_cache(); |
1006 | if (object_count) { |
1007 | struct packed_git *new_p; |
1008 | unsigned char cur_pack_sha1[20]; |
1009 | char *idx_name; |
1010 | int i; |
1011 | struct branch *b; |
1012 | struct tag *t; |
1013 | |
1014 | close_pack_windows(pack_data); |
1015 | sha1close(pack_file, cur_pack_sha1, 0); |
1016 | fixup_pack_header_footer(pack_data->pack_fd, pack_data->sha1, |
1017 | pack_data->pack_name, object_count, |
1018 | cur_pack_sha1, pack_size); |
1019 | |
1020 | if (object_count <= unpack_limit) { |
1021 | if (!loosen_small_pack(pack_data)) { |
1022 | invalidate_pack_id(pack_id); |
1023 | goto discard_pack; |
1024 | } |
1025 | } |
1026 | |
1027 | close(pack_data->pack_fd); |
1028 | idx_name = keep_pack(create_index()); |
1029 | |
1030 | /* Register the packfile with core git's machinery. */ |
1031 | new_p = add_packed_git(idx_name, strlen(idx_name), 1); |
1032 | if (!new_p) |
1033 | die("core git rejected index %s", idx_name); |
1034 | all_packs[pack_id] = new_p; |
1035 | install_packed_git(new_p); |
1036 | |
1037 | /* Print the boundary */ |
1038 | if (pack_edges) { |
1039 | fprintf(pack_edges, "%s:", new_p->pack_name); |
1040 | for (i = 0; i < branch_table_sz; i++) { |
1041 | for (b = branch_table[i]; b; b = b->table_next_branch) { |
1042 | if (b->pack_id == pack_id) |
1043 | fprintf(pack_edges, " %s", sha1_to_hex(b->sha1)); |
1044 | } |
1045 | } |
1046 | for (t = first_tag; t; t = t->next_tag) { |
1047 | if (t->pack_id == pack_id) |
1048 | fprintf(pack_edges, " %s", sha1_to_hex(t->sha1)); |
1049 | } |
1050 | fputc('\n', pack_edges); |
1051 | fflush(pack_edges); |
1052 | } |
1053 | |
1054 | pack_id++; |
1055 | } |
1056 | else { |
1057 | discard_pack: |
1058 | close(pack_data->pack_fd); |
1059 | unlink_or_warn(pack_data->pack_name); |
1060 | } |
1061 | free(pack_data); |
1062 | pack_data = NULL((void*)0); |
1063 | running = 0; |
1064 | |
1065 | /* We can't carry a delta across packfiles. */ |
1066 | strbuf_release(&last_blob.data); |
1067 | last_blob.offset = 0; |
1068 | last_blob.depth = 0; |
1069 | } |
1070 | |
1071 | static void cycle_packfile(void) |
1072 | { |
1073 | end_packfile(); |
1074 | start_packfile(); |
1075 | } |
1076 | |
1077 | static int store_object( |
1078 | enum object_type type, |
1079 | struct strbuf *dat, |
1080 | struct last_object *last, |
1081 | unsigned char *sha1out, |
1082 | uintmax_t mark) |
1083 | { |
1084 | void *out, *delta; |
1085 | struct object_entry *e; |
1086 | unsigned char hdr[96]; |
1087 | unsigned char sha1[20]; |
1088 | unsigned long hdrlen, deltalen; |
1089 | git_SHA_CTXblk_SHA_CTX c; |
1090 | git_zstream s; |
1091 | |
1092 | hdrlen = xsnprintf((char *)hdr, sizeof(hdr), "%s %lu", |
1093 | typename(type), (unsigned long)dat->len) + 1; |
1094 | git_SHA1_Initblk_SHA1_Init(&c); |
1095 | git_SHA1_Updategit_SHA1_Update_Chunked(&c, hdr, hdrlen); |
1096 | git_SHA1_Updategit_SHA1_Update_Chunked(&c, dat->buf, dat->len); |
1097 | git_SHA1_Finalblk_SHA1_Final(sha1, &c); |
1098 | if (sha1out) |
1099 | hashcpy(sha1out, sha1); |
1100 | |
1101 | e = insert_object(sha1); |
1102 | if (mark) |
1103 | insert_mark(mark, e); |
1104 | if (e->idx.offset) { |
1105 | duplicate_count_by_type[type]++; |
1106 | return 1; |
1107 | } else if (find_sha1_pack(sha1, packed_git)) { |
1108 | e->type = type; |
1109 | e->pack_id = MAX_PACK_ID((1<<16)-1); |
1110 | e->idx.offset = 1; /* just not zero! */ |
1111 | duplicate_count_by_type[type]++; |
1112 | return 1; |
1113 | } |
1114 | |
1115 | if (last && last->data.buf && last->depth < max_depth && dat->len > 20) { |
1116 | delta_count_attempts_by_type[type]++; |
1117 | delta = diff_delta(last->data.buf, last->data.len, |
1118 | dat->buf, dat->len, |
1119 | &deltalen, dat->len - 20); |
1120 | } else |
1121 | delta = NULL((void*)0); |
1122 | |
1123 | git_deflate_init(&s, pack_compression_level); |
1124 | if (delta) { |
1125 | s.next_in = delta; |
1126 | s.avail_in = deltalen; |
1127 | } else { |
1128 | s.next_in = (void *)dat->buf; |
1129 | s.avail_in = dat->len; |
1130 | } |
1131 | s.avail_out = git_deflate_bound(&s, s.avail_in); |
1132 | s.next_out = out = xmalloc(s.avail_out); |
1133 | while (git_deflate(&s, Z_FINISH4) == Z_OK0) |
1134 | ; /* nothing */ |
1135 | git_deflate_end(&s); |
1136 | |
1137 | /* Determine if we should auto-checkpoint. */ |
1138 | if ((max_packsize && (pack_size + 60 + s.total_out) > max_packsize) |
1139 | || (pack_size + 60 + s.total_out) < pack_size) { |
1140 | |
1141 | /* This new object needs to *not* have the current pack_id. */ |
1142 | e->pack_id = pack_id + 1; |
1143 | cycle_packfile(); |
1144 | |
1145 | /* We cannot carry a delta into the new pack. */ |
1146 | if (delta) { |
1147 | free(delta); |
1148 | delta = NULL((void*)0); |
1149 | |
1150 | git_deflate_init(&s, pack_compression_level); |
1151 | s.next_in = (void *)dat->buf; |
1152 | s.avail_in = dat->len; |
1153 | s.avail_out = git_deflate_bound(&s, s.avail_in); |
1154 | s.next_out = out = xrealloc(out, s.avail_out); |
1155 | while (git_deflate(&s, Z_FINISH4) == Z_OK0) |
1156 | ; /* nothing */ |
1157 | git_deflate_end(&s); |
1158 | } |
1159 | } |
1160 | |
1161 | e->type = type; |
1162 | e->pack_id = pack_id; |
1163 | e->idx.offset = pack_size; |
1164 | object_count++; |
1165 | object_count_by_type[type]++; |
1166 | |
1167 | crc32_begin(pack_file); |
1168 | |
1169 | if (delta) { |
1170 | off_t ofs = e->idx.offset - last->offset; |
1171 | unsigned pos = sizeof(hdr) - 1; |
1172 | |
1173 | delta_count_by_type[type]++; |
1174 | e->depth = last->depth + 1; |
1175 | |
1176 | hdrlen = encode_in_pack_object_header(OBJ_OFS_DELTA, deltalen, hdr); |
1177 | sha1write(pack_file, hdr, hdrlen); |
1178 | pack_size += hdrlen; |
1179 | |
1180 | hdr[pos] = ofs & 127; |
1181 | while (ofs >>= 7) |
1182 | hdr[--pos] = 128 | (--ofs & 127); |
1183 | sha1write(pack_file, hdr + pos, sizeof(hdr) - pos); |
1184 | pack_size += sizeof(hdr) - pos; |
1185 | } else { |
1186 | e->depth = 0; |
1187 | hdrlen = encode_in_pack_object_header(type, dat->len, hdr); |
1188 | sha1write(pack_file, hdr, hdrlen); |
1189 | pack_size += hdrlen; |
1190 | } |
1191 | |
1192 | sha1write(pack_file, out, s.total_out); |
1193 | pack_size += s.total_out; |
1194 | |
1195 | e->idx.crc32 = crc32_end(pack_file); |
1196 | |
1197 | free(out); |
1198 | free(delta); |
1199 | if (last) { |
1200 | if (last->no_swap) { |
1201 | last->data = *dat; |
1202 | } else { |
1203 | strbuf_swap(&last->data, dat); |
1204 | } |
1205 | last->offset = e->idx.offset; |
1206 | last->depth = e->depth; |
1207 | } |
1208 | return 0; |
1209 | } |
1210 | |
1211 | static void truncate_pack(struct sha1file_checkpoint *checkpoint) |
1212 | { |
1213 | if (sha1file_truncate(pack_file, checkpoint)) |
1214 | die_errno("cannot truncate pack to skip duplicate"); |
1215 | pack_size = checkpoint->offset; |
1216 | } |
1217 | |
1218 | static void stream_blob(uintmax_t len, unsigned char *sha1out, uintmax_t mark) |
1219 | { |
1220 | size_t in_sz = 64 * 1024, out_sz = 64 * 1024; |
1221 | unsigned char *in_buf = xmalloc(in_sz); |
1222 | unsigned char *out_buf = xmalloc(out_sz); |
1223 | struct object_entry *e; |
1224 | unsigned char sha1[20]; |
1225 | unsigned long hdrlen; |
1226 | off_t offset; |
1227 | git_SHA_CTXblk_SHA_CTX c; |
1228 | git_zstream s; |
1229 | struct sha1file_checkpoint checkpoint; |
1230 | int status = Z_OK0; |
1231 | |
1232 | /* Determine if we should auto-checkpoint. */ |
1233 | if ((max_packsize && (pack_size + 60 + len) > max_packsize) |
1234 | || (pack_size + 60 + len) < pack_size) |
1235 | cycle_packfile(); |
1236 | |
1237 | sha1file_checkpoint(pack_file, &checkpoint); |
1238 | offset = checkpoint.offset; |
1239 | |
1240 | hdrlen = snprintf((char *)out_buf, out_sz, "blob %" PRIuMAX, len)__builtin___snprintf_chk ((char *)out_buf, out_sz, 0, __builtin_object_size ((char *)out_buf, 2 > 1 ? 1 : 0), "blob %" "j" "u", len) + 1; |
1241 | if (out_sz <= hdrlen) |
1242 | die("impossibly large object header"); |
1243 | |
1244 | git_SHA1_Initblk_SHA1_Init(&c); |
1245 | git_SHA1_Updategit_SHA1_Update_Chunked(&c, out_buf, hdrlen); |
1246 | |
1247 | crc32_begin(pack_file); |
1248 | |
1249 | git_deflate_init(&s, pack_compression_level); |
1250 | |
1251 | hdrlen = encode_in_pack_object_header(OBJ_BLOB, len, out_buf); |
1252 | if (out_sz <= hdrlen) |
1253 | die("impossibly large object header"); |
1254 | |
1255 | s.next_out = out_buf + hdrlen; |
1256 | s.avail_out = out_sz - hdrlen; |
1257 | |
1258 | while (status != Z_STREAM_END1) { |
1259 | if (0 < len && !s.avail_in) { |
1260 | size_t cnt = in_sz < len ? in_sz : (size_t)len; |
1261 | size_t n = fread(in_buf, 1, cnt, stdin__stdinp); |
1262 | if (!n && feof(stdin__stdinp)) |
1263 | die("EOF in data (%" PRIuMAX"j" "u" " bytes remaining)", len); |
1264 | |
1265 | git_SHA1_Updategit_SHA1_Update_Chunked(&c, in_buf, n); |
1266 | s.next_in = in_buf; |
1267 | s.avail_in = n; |
1268 | len -= n; |
1269 | } |
1270 | |
1271 | status = git_deflate(&s, len ? 0 : Z_FINISH4); |
1272 | |
1273 | if (!s.avail_out || status == Z_STREAM_END1) { |
1274 | size_t n = s.next_out - out_buf; |
1275 | sha1write(pack_file, out_buf, n); |
1276 | pack_size += n; |
1277 | s.next_out = out_buf; |
1278 | s.avail_out = out_sz; |
1279 | } |
1280 | |
1281 | switch (status) { |
1282 | case Z_OK0: |
1283 | case Z_BUF_ERROR(-5): |
1284 | case Z_STREAM_END1: |
1285 | continue; |
1286 | default: |
1287 | die("unexpected deflate failure: %d", status); |
1288 | } |
1289 | } |
1290 | git_deflate_end(&s); |
1291 | git_SHA1_Finalblk_SHA1_Final(sha1, &c); |
1292 | |
1293 | if (sha1out) |
1294 | hashcpy(sha1out, sha1); |
1295 | |
1296 | e = insert_object(sha1); |
1297 | |
1298 | if (mark) |
1299 | insert_mark(mark, e); |
1300 | |
1301 | if (e->idx.offset) { |
1302 | duplicate_count_by_type[OBJ_BLOB]++; |
1303 | truncate_pack(&checkpoint); |
1304 | |
1305 | } else if (find_sha1_pack(sha1, packed_git)) { |
1306 | e->type = OBJ_BLOB; |
1307 | e->pack_id = MAX_PACK_ID((1<<16)-1); |
1308 | e->idx.offset = 1; /* just not zero! */ |
1309 | duplicate_count_by_type[OBJ_BLOB]++; |
1310 | truncate_pack(&checkpoint); |
1311 | |
1312 | } else { |
1313 | e->depth = 0; |
1314 | e->type = OBJ_BLOB; |
1315 | e->pack_id = pack_id; |
1316 | e->idx.offset = offset; |
1317 | e->idx.crc32 = crc32_end(pack_file); |
1318 | object_count++; |
1319 | object_count_by_type[OBJ_BLOB]++; |
1320 | } |
1321 | |
1322 | free(in_buf); |
1323 | free(out_buf); |
1324 | } |
1325 | |
1326 | /* All calls must be guarded by find_object() or find_mark() to |
1327 | * ensure the 'struct object_entry' passed was written by this |
1328 | * process instance. We unpack the entry by the offset, avoiding |
1329 | * the need for the corresponding .idx file. This unpacking rule |
1330 | * works because we only use OBJ_REF_DELTA within the packfiles |
1331 | * created by fast-import. |
1332 | * |
1333 | * oe must not be NULL. Such an oe usually comes from giving |
1334 | * an unknown SHA-1 to find_object() or an undefined mark to |
1335 | * find_mark(). Callers must test for this condition and use |
1336 | * the standard read_sha1_file() when it happens. |
1337 | * |
1338 | * oe->pack_id must not be MAX_PACK_ID. Such an oe is usually from |
1339 | * find_mark(), where the mark was reloaded from an existing marks |
1340 | * file and is referencing an object that this fast-import process |
1341 | * instance did not write out to a packfile. Callers must test for |
1342 | * this condition and use read_sha1_file() instead. |
1343 | */ |
1344 | static void *gfi_unpack_entry( |
1345 | struct object_entry *oe, |
1346 | unsigned long *sizep) |
1347 | { |
1348 | enum object_type type; |
1349 | struct packed_git *p = all_packs[oe->pack_id]; |
1350 | if (p == pack_data && p->pack_size < (pack_size + 20)) { |
1351 | /* The object is stored in the packfile we are writing to |
1352 | * and we have modified it since the last time we scanned |
1353 | * back to read a previously written object. If an old |
1354 | * window covered [p->pack_size, p->pack_size + 20) its |
1355 | * data is stale and is not valid. Closing all windows |
1356 | * and updating the packfile length ensures we can read |
1357 | * the newly written data. |
1358 | */ |
1359 | close_pack_windows(p); |
1360 | sha1flush(pack_file); |
1361 | |
1362 | /* We have to offer 20 bytes additional on the end of |
1363 | * the packfile as the core unpacker code assumes the |
1364 | * footer is present at the file end and must promise |
1365 | * at least 20 bytes within any window it maps. But |
1366 | * we don't actually create the footer here. |
1367 | */ |
1368 | p->pack_size = pack_size + 20; |
1369 | } |
1370 | return unpack_entry(p, oe->idx.offset, &type, sizep); |
1371 | } |
1372 | |
1373 | static const char *get_mode(const char *str, uint16_t *modep) |
1374 | { |
1375 | unsigned char c; |
1376 | uint16_t mode = 0; |
1377 | |
1378 | while ((c = *str++) != ' ') { |
1379 | if (c < '0' || c > '7') |
1380 | return NULL((void*)0); |
1381 | mode = (mode << 3) + (c - '0'); |
1382 | } |
1383 | *modep = mode; |
1384 | return str; |
1385 | } |
1386 | |
1387 | static void load_tree(struct tree_entry *root) |
1388 | { |
1389 | unsigned char *sha1 = root->versions[1].sha1; |
1390 | struct object_entry *myoe; |
1391 | struct tree_content *t; |
1392 | unsigned long size; |
1393 | char *buf; |
1394 | const char *c; |
1395 | |
1396 | root->tree = t = new_tree_content(8); |
1397 | if (is_null_sha1(sha1)) |
1398 | return; |
1399 | |
1400 | myoe = find_object(sha1); |
1401 | if (myoe && myoe->pack_id != MAX_PACK_ID((1<<16)-1)) { |
1402 | if (myoe->type != OBJ_TREE) |
1403 | die("Not a tree: %s", sha1_to_hex(sha1)); |
1404 | t->delta_depth = myoe->depth; |
1405 | buf = gfi_unpack_entry(myoe, &size); |
1406 | if (!buf) |
1407 | die("Can't load tree %s", sha1_to_hex(sha1)); |
1408 | } else { |
1409 | enum object_type type; |
1410 | buf = read_sha1_file(sha1, &type, &size); |
1411 | if (!buf || type != OBJ_TREE) |
1412 | die("Can't load tree %s", sha1_to_hex(sha1)); |
1413 | } |
1414 | |
1415 | c = buf; |
1416 | while (c != (buf + size)) { |
1417 | struct tree_entry *e = new_tree_entry(); |
1418 | |
1419 | if (t->entry_count == t->entry_capacity) |
1420 | root->tree = t = grow_tree_content(t, t->entry_count); |
1421 | t->entries[t->entry_count++] = e; |
1422 | |
1423 | e->tree = NULL((void*)0); |
1424 | c = get_mode(c, &e->versions[1].mode); |
1425 | if (!c) |
1426 | die("Corrupt mode in %s", sha1_to_hex(sha1)); |
1427 | e->versions[0].mode = e->versions[1].mode; |
1428 | e->name = to_atom(c, strlen(c)); |
1429 | c += e->name->str_len + 1; |
1430 | hashcpy(e->versions[0].sha1, (unsigned char *)c); |
1431 | hashcpy(e->versions[1].sha1, (unsigned char *)c); |
1432 | c += 20; |
1433 | } |
1434 | free(buf); |
1435 | } |
1436 | |
1437 | static int tecmp0 (const void *_a, const void *_b) |
1438 | { |
1439 | struct tree_entry *a = *((struct tree_entry**)_a); |
1440 | struct tree_entry *b = *((struct tree_entry**)_b); |
1441 | return base_name_compare( |
1442 | a->name->str_dat, a->name->str_len, a->versions[0].mode, |
1443 | b->name->str_dat, b->name->str_len, b->versions[0].mode); |
1444 | } |
1445 | |
1446 | static int tecmp1 (const void *_a, const void *_b) |
1447 | { |
1448 | struct tree_entry *a = *((struct tree_entry**)_a); |
1449 | struct tree_entry *b = *((struct tree_entry**)_b); |
1450 | return base_name_compare( |
1451 | a->name->str_dat, a->name->str_len, a->versions[1].mode, |
1452 | b->name->str_dat, b->name->str_len, b->versions[1].mode); |
1453 | } |
1454 | |
1455 | static void mktree(struct tree_content *t, int v, struct strbuf *b) |
1456 | { |
1457 | size_t maxlen = 0; |
1458 | unsigned int i; |
1459 | |
1460 | if (!v) |
1461 | QSORT(t->entries, t->entry_count, tecmp0)sane_qsort((t->entries), (t->entry_count), sizeof(*(t-> entries)), tecmp0); |
1462 | else |
1463 | QSORT(t->entries, t->entry_count, tecmp1)sane_qsort((t->entries), (t->entry_count), sizeof(*(t-> entries)), tecmp1); |
1464 | |
1465 | for (i = 0; i < t->entry_count; i++) { |
1466 | if (t->entries[i]->versions[v].mode) |
1467 | maxlen += t->entries[i]->name->str_len + 34; |
1468 | } |
1469 | |
1470 | strbuf_reset(b)strbuf_setlen(b, 0); |
1471 | strbuf_grow(b, maxlen); |
1472 | for (i = 0; i < t->entry_count; i++) { |
1473 | struct tree_entry *e = t->entries[i]; |
1474 | if (!e->versions[v].mode) |
1475 | continue; |
1476 | strbuf_addf(b, "%o %s%c", |
1477 | (unsigned int)(e->versions[v].mode & ~NO_DELTA0004000), |
1478 | e->name->str_dat, '\0'); |
1479 | strbuf_add(b, e->versions[v].sha1, 20); |
1480 | } |
1481 | } |
1482 | |
1483 | static void store_tree(struct tree_entry *root) |
1484 | { |
1485 | struct tree_content *t; |
1486 | unsigned int i, j, del; |
1487 | struct last_object lo = { STRBUF_INIT{ 0, 0, strbuf_slopbuf }, 0, 0, /* no_swap */ 1 }; |
1488 | struct object_entry *le = NULL((void*)0); |
1489 | |
1490 | if (!is_null_sha1(root->versions[1].sha1)) |
1491 | return; |
1492 | |
1493 | if (!root->tree) |
1494 | load_tree(root); |
1495 | t = root->tree; |
1496 | |
1497 | for (i = 0; i < t->entry_count; i++) { |
1498 | if (t->entries[i]->tree) |
1499 | store_tree(t->entries[i]); |
1500 | } |
1501 | |
1502 | if (!(root->versions[0].mode & NO_DELTA0004000)) |
1503 | le = find_object(root->versions[0].sha1); |
1504 | if (S_ISDIR(root->versions[0].mode)(((root->versions[0].mode) & 0170000) == 0040000) && le && le->pack_id == pack_id) { |
1505 | mktree(t, 0, &old_tree); |
1506 | lo.data = old_tree; |
1507 | lo.offset = le->idx.offset; |
1508 | lo.depth = t->delta_depth; |
1509 | } |
1510 | |
1511 | mktree(t, 1, &new_tree); |
1512 | store_object(OBJ_TREE, &new_tree, &lo, root->versions[1].sha1, 0); |
1513 | |
1514 | t->delta_depth = lo.depth; |
1515 | for (i = 0, j = 0, del = 0; i < t->entry_count; i++) { |
1516 | struct tree_entry *e = t->entries[i]; |
1517 | if (e->versions[1].mode) { |
1518 | e->versions[0].mode = e->versions[1].mode; |
1519 | hashcpy(e->versions[0].sha1, e->versions[1].sha1); |
1520 | t->entries[j++] = e; |
1521 | } else { |
1522 | release_tree_entry(e); |
1523 | del++; |
1524 | } |
1525 | } |
1526 | t->entry_count -= del; |
1527 | } |
1528 | |
1529 | static void tree_content_replace( |
1530 | struct tree_entry *root, |
1531 | const unsigned char *sha1, |
1532 | const uint16_t mode, |
1533 | struct tree_content *newtree) |
1534 | { |
1535 | if (!S_ISDIR(mode)(((mode) & 0170000) == 0040000)) |
1536 | die("Root cannot be a non-directory"); |
1537 | hashclr(root->versions[0].sha1); |
1538 | hashcpy(root->versions[1].sha1, sha1); |
1539 | if (root->tree) |
1540 | release_tree_content_recursive(root->tree); |
1541 | root->tree = newtree; |
1542 | } |
1543 | |
1544 | static int tree_content_set( |
1545 | struct tree_entry *root, |
1546 | const char *p, |
1547 | const unsigned char *sha1, |
1548 | const uint16_t mode, |
1549 | struct tree_content *subtree) |
1550 | { |
1551 | struct tree_content *t; |
1552 | const char *slash1; |
1553 | unsigned int i, n; |
1554 | struct tree_entry *e; |
1555 | |
1556 | slash1 = strchrnulgitstrchrnul(p, '/'); |
1557 | n = slash1 - p; |
1558 | if (!n) |
1559 | die("Empty path component found in input"); |
1560 | if (!*slash1 && !S_ISDIR(mode)(((mode) & 0170000) == 0040000) && subtree) |
1561 | die("Non-directories cannot have subtrees"); |
1562 | |
1563 | if (!root->tree) |
1564 | load_tree(root); |
1565 | t = root->tree; |
1566 | for (i = 0; i < t->entry_count; i++) { |
1567 | e = t->entries[i]; |
1568 | if (e->name->str_len == n && !fspathncmp(p, e->name->str_dat, n)) { |
1569 | if (!*slash1) { |
1570 | if (!S_ISDIR(mode)(((mode) & 0170000) == 0040000) |
1571 | && e->versions[1].mode == mode |
1572 | && !hashcmp(e->versions[1].sha1, sha1)) |
1573 | return 0; |
1574 | e->versions[1].mode = mode; |
1575 | hashcpy(e->versions[1].sha1, sha1); |
1576 | if (e->tree) |
1577 | release_tree_content_recursive(e->tree); |
1578 | e->tree = subtree; |
1579 | |
1580 | /* |
1581 | * We need to leave e->versions[0].sha1 alone |
1582 | * to avoid modifying the preimage tree used |
1583 | * when writing out the parent directory. |
1584 | * But after replacing the subdir with a |
1585 | * completely different one, it's not a good |
1586 | * delta base any more, and besides, we've |
1587 | * thrown away the tree entries needed to |
1588 | * make a delta against it. |
1589 | * |
1590 | * So let's just explicitly disable deltas |
1591 | * for the subtree. |
1592 | */ |
1593 | if (S_ISDIR(e->versions[0].mode)(((e->versions[0].mode) & 0170000) == 0040000)) |
1594 | e->versions[0].mode |= NO_DELTA0004000; |
1595 | |
1596 | hashclr(root->versions[1].sha1); |
1597 | return 1; |
1598 | } |
1599 | if (!S_ISDIR(e->versions[1].mode)(((e->versions[1].mode) & 0170000) == 0040000)) { |
1600 | e->tree = new_tree_content(8); |
1601 | e->versions[1].mode = S_IFDIR0040000; |
1602 | } |
1603 | if (!e->tree) |
1604 | load_tree(e); |
1605 | if (tree_content_set(e, slash1 + 1, sha1, mode, subtree)) { |
1606 | hashclr(root->versions[1].sha1); |
1607 | return 1; |
1608 | } |
1609 | return 0; |
1610 | } |
1611 | } |
1612 | |
1613 | if (t->entry_count == t->entry_capacity) |
1614 | root->tree = t = grow_tree_content(t, t->entry_count); |
1615 | e = new_tree_entry(); |
1616 | e->name = to_atom(p, n); |
1617 | e->versions[0].mode = 0; |
1618 | hashclr(e->versions[0].sha1); |
1619 | t->entries[t->entry_count++] = e; |
1620 | if (*slash1) { |
1621 | e->tree = new_tree_content(8); |
1622 | e->versions[1].mode = S_IFDIR0040000; |
1623 | tree_content_set(e, slash1 + 1, sha1, mode, subtree); |
1624 | } else { |
1625 | e->tree = subtree; |
1626 | e->versions[1].mode = mode; |
1627 | hashcpy(e->versions[1].sha1, sha1); |
1628 | } |
1629 | hashclr(root->versions[1].sha1); |
1630 | return 1; |
1631 | } |
1632 | |
1633 | static int tree_content_remove( |
1634 | struct tree_entry *root, |
1635 | const char *p, |
1636 | struct tree_entry *backup_leaf, |
1637 | int allow_root) |
1638 | { |
1639 | struct tree_content *t; |
1640 | const char *slash1; |
1641 | unsigned int i, n; |
1642 | struct tree_entry *e; |
1643 | |
1644 | slash1 = strchrnulgitstrchrnul(p, '/'); |
1645 | n = slash1 - p; |
1646 | |
1647 | if (!root->tree) |
1648 | load_tree(root); |
1649 | |
1650 | if (!*p && allow_root) { |
1651 | e = root; |
1652 | goto del_entry; |
1653 | } |
1654 | |
1655 | t = root->tree; |
1656 | for (i = 0; i < t->entry_count; i++) { |
1657 | e = t->entries[i]; |
1658 | if (e->name->str_len == n && !fspathncmp(p, e->name->str_dat, n)) { |
1659 | if (*slash1 && !S_ISDIR(e->versions[1].mode)(((e->versions[1].mode) & 0170000) == 0040000)) |
1660 | /* |
1661 | * If p names a file in some subdirectory, and a |
1662 | * file or symlink matching the name of the |
1663 | * parent directory of p exists, then p cannot |
1664 | * exist and need not be deleted. |
1665 | */ |
1666 | return 1; |
1667 | if (!*slash1 || !S_ISDIR(e->versions[1].mode)(((e->versions[1].mode) & 0170000) == 0040000)) |
1668 | goto del_entry; |
1669 | if (!e->tree) |
1670 | load_tree(e); |
1671 | if (tree_content_remove(e, slash1 + 1, backup_leaf, 0)) { |
1672 | for (n = 0; n < e->tree->entry_count; n++) { |
1673 | if (e->tree->entries[n]->versions[1].mode) { |
1674 | hashclr(root->versions[1].sha1); |
1675 | return 1; |
1676 | } |
1677 | } |
1678 | backup_leaf = NULL((void*)0); |
1679 | goto del_entry; |
1680 | } |
1681 | return 0; |
1682 | } |
1683 | } |
1684 | return 0; |
1685 | |
1686 | del_entry: |
1687 | if (backup_leaf) |
1688 | memcpy(backup_leaf, e, sizeof(*backup_leaf))__builtin___memcpy_chk (backup_leaf, e, sizeof(*backup_leaf), __builtin_object_size (backup_leaf, 0)); |
1689 | else if (e->tree) |
1690 | release_tree_content_recursive(e->tree); |
1691 | e->tree = NULL((void*)0); |
1692 | e->versions[1].mode = 0; |
1693 | hashclr(e->versions[1].sha1); |
1694 | hashclr(root->versions[1].sha1); |
1695 | return 1; |
1696 | } |
1697 | |
1698 | static int tree_content_get( |
1699 | struct tree_entry *root, |
1700 | const char *p, |
1701 | struct tree_entry *leaf, |
1702 | int allow_root) |
1703 | { |
1704 | struct tree_content *t; |
1705 | const char *slash1; |
1706 | unsigned int i, n; |
1707 | struct tree_entry *e; |
1708 | |
1709 | slash1 = strchrnulgitstrchrnul(p, '/'); |
1710 | n = slash1 - p; |
1711 | if (!n && !allow_root) |
1712 | die("Empty path component found in input"); |
1713 | |
1714 | if (!root->tree) |
1715 | load_tree(root); |
1716 | |
1717 | if (!n) { |
1718 | e = root; |
1719 | goto found_entry; |
1720 | } |
1721 | |
1722 | t = root->tree; |
1723 | for (i = 0; i < t->entry_count; i++) { |
1724 | e = t->entries[i]; |
1725 | if (e->name->str_len == n && !fspathncmp(p, e->name->str_dat, n)) { |
1726 | if (!*slash1) |
1727 | goto found_entry; |
1728 | if (!S_ISDIR(e->versions[1].mode)(((e->versions[1].mode) & 0170000) == 0040000)) |
1729 | return 0; |
1730 | if (!e->tree) |
1731 | load_tree(e); |
1732 | return tree_content_get(e, slash1 + 1, leaf, 0); |
1733 | } |
1734 | } |
1735 | return 0; |
1736 | |
1737 | found_entry: |
1738 | memcpy(leaf, e, sizeof(*leaf))__builtin___memcpy_chk (leaf, e, sizeof(*leaf), __builtin_object_size (leaf, 0)); |
1739 | if (e->tree && is_null_sha1(e->versions[1].sha1)) |
1740 | leaf->tree = dup_tree_content(e->tree); |
1741 | else |
1742 | leaf->tree = NULL((void*)0); |
1743 | return 1; |
1744 | } |
1745 | |
1746 | static int update_branch(struct branch *b) |
1747 | { |
1748 | static const char *msg = "fast-import"; |
1749 | struct ref_transaction *transaction; |
1750 | unsigned char old_sha1[20]; |
1751 | struct strbuf err = STRBUF_INIT{ 0, 0, strbuf_slopbuf }; |
1752 | |
1753 | if (is_null_sha1(b->sha1)) { |
1754 | if (b->delete) |
1755 | delete_ref(b->name, NULL((void*)0), 0); |
1756 | return 0; |
1757 | } |
1758 | if (read_ref(b->name, old_sha1)) |
1759 | hashclr(old_sha1); |
1760 | if (!force_update && !is_null_sha1(old_sha1)) { |
1761 | struct commit *old_cmit, *new_cmit; |
1762 | |
1763 | old_cmit = lookup_commit_reference_gently(old_sha1, 0); |
1764 | new_cmit = lookup_commit_reference_gently(b->sha1, 0); |
1765 | if (!old_cmit || !new_cmit) |
1766 | return error("Branch %s is missing commits.", b->name)(error("Branch %s is missing commits.", b->name), const_error ()); |
1767 | |
1768 | if (!in_merge_bases(old_cmit, new_cmit)) { |
1769 | warning("Not updating %s" |
1770 | " (new tip %s does not contain %s)", |
1771 | b->name, sha1_to_hex(b->sha1), sha1_to_hex(old_sha1)); |
1772 | return -1; |
1773 | } |
1774 | } |
1775 | transaction = ref_transaction_begin(&err); |
1776 | if (!transaction || |
1777 | ref_transaction_update(transaction, b->name, b->sha1, old_sha1, |
1778 | 0, msg, &err) || |
1779 | ref_transaction_commit(transaction, &err)) { |
1780 | ref_transaction_free(transaction); |
1781 | error("%s", err.buf)(error("%s", err.buf), const_error()); |
1782 | strbuf_release(&err); |
1783 | return -1; |
1784 | } |
1785 | ref_transaction_free(transaction); |
1786 | strbuf_release(&err); |
1787 | return 0; |
1788 | } |
1789 | |
1790 | static void dump_branches(void) |
1791 | { |
1792 | unsigned int i; |
1793 | struct branch *b; |
1794 | |
1795 | for (i = 0; i < branch_table_sz; i++) { |
1796 | for (b = branch_table[i]; b; b = b->table_next_branch) |
1797 | failure |= update_branch(b); |
1798 | } |
1799 | } |
1800 | |
1801 | static void dump_tags(void) |
1802 | { |
1803 | static const char *msg = "fast-import"; |
1804 | struct tag *t; |
1805 | struct strbuf ref_name = STRBUF_INIT{ 0, 0, strbuf_slopbuf }; |
1806 | struct strbuf err = STRBUF_INIT{ 0, 0, strbuf_slopbuf }; |
1807 | struct ref_transaction *transaction; |
1808 | |
1809 | transaction = ref_transaction_begin(&err); |
1810 | if (!transaction) { |
1811 | failure |= error("%s", err.buf)(error("%s", err.buf), const_error()); |
1812 | goto cleanup; |
1813 | } |
1814 | for (t = first_tag; t; t = t->next_tag) { |
1815 | strbuf_reset(&ref_name)strbuf_setlen(&ref_name, 0); |
1816 | strbuf_addf(&ref_name, "refs/tags/%s", t->name); |
1817 | |
1818 | if (ref_transaction_update(transaction, ref_name.buf, |
1819 | t->sha1, NULL((void*)0), 0, msg, &err)) { |
1820 | failure |= error("%s", err.buf)(error("%s", err.buf), const_error()); |
1821 | goto cleanup; |
1822 | } |
1823 | } |
1824 | if (ref_transaction_commit(transaction, &err)) |
1825 | failure |= error("%s", err.buf)(error("%s", err.buf), const_error()); |
1826 | |
1827 | cleanup: |
1828 | ref_transaction_free(transaction); |
1829 | strbuf_release(&ref_name); |
1830 | strbuf_release(&err); |
1831 | } |
1832 | |
1833 | static void dump_marks_helper(FILE *f, |
1834 | uintmax_t base, |
1835 | struct mark_set *m) |
1836 | { |
1837 | uintmax_t k; |
1838 | if (m->shift) { |
1839 | for (k = 0; k < 1024; k++) { |
1840 | if (m->data.sets[k]) |
1841 | dump_marks_helper(f, base + (k << m->shift), |
1842 | m->data.sets[k]); |
1843 | } |
1844 | } else { |
1845 | for (k = 0; k < 1024; k++) { |
1846 | if (m->data.marked[k]) |
1847 | fprintf(f, ":%" PRIuMAX"j" "u" " %s\n", base + k, |
1848 | sha1_to_hex(m->data.marked[k]->idx.sha1)); |
1849 | } |
1850 | } |
1851 | } |
1852 | |
1853 | static void dump_marks(void) |
1854 | { |
1855 | static struct lock_file mark_lock; |
1856 | FILE *f; |
1857 | |
1858 | if (!export_marks_file || (import_marks_file && !import_marks_file_done)) |
1859 | return; |
1860 | |
1861 | if (hold_lock_file_for_update(&mark_lock, export_marks_file, 0) < 0) { |
1862 | failure |= error_errno("Unable to write marks file %s",(error_errno("Unable to write marks file %s", export_marks_file ), const_error()) |
1863 | export_marks_file)(error_errno("Unable to write marks file %s", export_marks_file ), const_error()); |
1864 | return; |
1865 | } |
1866 | |
1867 | f = fdopen_lock_file(&mark_lock, "w"); |
1868 | if (!f) { |
1869 | int saved_errno = errno(*__error()); |
1870 | rollback_lock_file(&mark_lock); |
1871 | failure |= error("Unable to write marks file %s: %s",(error("Unable to write marks file %s: %s", export_marks_file , strerror(saved_errno)), const_error()) |
1872 | export_marks_file, strerror(saved_errno))(error("Unable to write marks file %s: %s", export_marks_file , strerror(saved_errno)), const_error()); |
1873 | return; |
1874 | } |
1875 | |
1876 | dump_marks_helper(f, 0, marks); |
1877 | if (commit_lock_file(&mark_lock)) { |
1878 | failure |= error_errno("Unable to write file %s",(error_errno("Unable to write file %s", export_marks_file), const_error ()) |
1879 | export_marks_file)(error_errno("Unable to write file %s", export_marks_file), const_error ()); |
1880 | return; |
1881 | } |
1882 | } |
1883 | |
1884 | static void read_marks(void) |
1885 | { |
1886 | char line[512]; |
1887 | FILE *f = fopen(import_marks_file, "r"); |
1888 | if (f) |
1889 | ; |
1890 | else if (import_marks_file_ignore_missing && errno(*__error()) == ENOENT2) |
1891 | goto done; /* Marks file does not exist */ |
1892 | else |
1893 | die_errno("cannot read '%s'", import_marks_file); |
1894 | while (fgets(line, sizeof(line), f)) { |
1895 | uintmax_t mark; |
1896 | char *end; |
1897 | unsigned char sha1[20]; |
1898 | struct object_entry *e; |
1899 | |
1900 | end = strchr(line, '\n'); |
1901 | if (line[0] != ':' || !end) |
1902 | die("corrupt mark line: %s", line); |
1903 | *end = 0; |
1904 | mark = strtoumax(line + 1, &end, 10); |
1905 | if (!mark || end == line + 1 |
1906 | || *end != ' ' || get_sha1_hex(end + 1, sha1)) |
1907 | die("corrupt mark line: %s", line); |
1908 | e = find_object(sha1); |
1909 | if (!e) { |
1910 | enum object_type type = sha1_object_info(sha1, NULL((void*)0)); |
1911 | if (type < 0) |
1912 | die("object not found: %s", sha1_to_hex(sha1)); |
1913 | e = insert_object(sha1); |
1914 | e->type = type; |
1915 | e->pack_id = MAX_PACK_ID((1<<16)-1); |
1916 | e->idx.offset = 1; /* just not zero! */ |
1917 | } |
1918 | insert_mark(mark, e); |
1919 | } |
1920 | fclose(f); |
1921 | done: |
1922 | import_marks_file_done = 1; |
1923 | } |
1924 | |
1925 | |
1926 | static int read_next_command(void) |
1927 | { |
1928 | static int stdin_eof = 0; |
1929 | |
1930 | if (stdin_eof) { |
1931 | unread_command_buf = 0; |
1932 | return EOF(-1); |
1933 | } |
1934 | |
1935 | for (;;) { |
1936 | const char *p; |
1937 | |
1938 | if (unread_command_buf) { |
1939 | unread_command_buf = 0; |
1940 | } else { |
1941 | struct recent_command *rc; |
1942 | |
1943 | strbuf_detach(&command_buf, NULL((void*)0)); |
1944 | stdin_eof = strbuf_getline_lf(&command_buf, stdin__stdinp); |
1945 | if (stdin_eof) |
1946 | return EOF(-1); |
1947 | |
1948 | if (!seen_data_command |
1949 | && !starts_with(command_buf.buf, "feature ") |
1950 | && !starts_with(command_buf.buf, "option ")) { |
1951 | parse_argv(); |
1952 | } |
1953 | |
1954 | rc = rc_free; |
1955 | if (rc) |
1956 | rc_free = rc->next; |
1957 | else { |
1958 | rc = cmd_hist.next; |
1959 | cmd_hist.next = rc->next; |
1960 | cmd_hist.next->prev = &cmd_hist; |
1961 | free(rc->buf); |
1962 | } |
1963 | |
1964 | rc->buf = command_buf.buf; |
1965 | rc->prev = cmd_tail; |
1966 | rc->next = cmd_hist.prev; |
1967 | rc->prev->next = rc; |
1968 | cmd_tail = rc; |
1969 | } |
1970 | if (skip_prefix(command_buf.buf, "get-mark ", &p)) { |
1971 | parse_get_mark(p); |
1972 | continue; |
1973 | } |
1974 | if (skip_prefix(command_buf.buf, "cat-blob ", &p)) { |
1975 | parse_cat_blob(p); |
1976 | continue; |
1977 | } |
1978 | if (command_buf.buf[0] == '#') |
1979 | continue; |
1980 | return 0; |
1981 | } |
1982 | } |
1983 | |
1984 | static void skip_optional_lf(void) |
1985 | { |
1986 | int term_char = fgetc(stdin__stdinp); |
1987 | if (term_char != '\n' && term_char != EOF(-1)) |
1988 | ungetc(term_char, stdin__stdinp); |
1989 | } |
1990 | |
1991 | static void parse_mark(void) |
1992 | { |
1993 | const char *v; |
1994 | if (skip_prefix(command_buf.buf, "mark :", &v)) { |
1995 | next_mark = strtoumax(v, NULL((void*)0), 10); |
1996 | read_next_command(); |
1997 | } |
1998 | else |
1999 | next_mark = 0; |
2000 | } |
2001 | |
2002 | static int parse_data(struct strbuf *sb, uintmax_t limit, uintmax_t *len_res) |
2003 | { |
2004 | const char *data; |
2005 | strbuf_reset(sb)strbuf_setlen(sb, 0); |
2006 | |
2007 | if (!skip_prefix(command_buf.buf, "data ", &data)) |
2008 | die("Expected 'data n' command, found: %s", command_buf.buf); |
2009 | |
2010 | if (skip_prefix(data, "<<", &data)) { |
2011 | char *term = xstrdup(data); |
2012 | size_t term_len = command_buf.len - (data - command_buf.buf); |
2013 | |
2014 | strbuf_detach(&command_buf, NULL((void*)0)); |
2015 | for (;;) { |
2016 | if (strbuf_getline_lf(&command_buf, stdin__stdinp) == EOF(-1)) |
2017 | die("EOF in data (terminator '%s' not found)", term); |
2018 | if (term_len == command_buf.len |
2019 | && !strcmp(term, command_buf.buf)) |
2020 | break; |
2021 | strbuf_addbuf(sb, &command_buf); |
2022 | strbuf_addch(sb, '\n'); |
2023 | } |
2024 | free(term); |
2025 | } |
2026 | else { |
2027 | uintmax_t len = strtoumax(data, NULL((void*)0), 10); |
2028 | size_t n = 0, length = (size_t)len; |
2029 | |
2030 | if (limit && limit < len) { |
2031 | *len_res = len; |
2032 | return 0; |
2033 | } |
2034 | if (length < len) |
2035 | die("data is too large to use in this context"); |
2036 | |
2037 | while (n < length) { |
2038 | size_t s = strbuf_fread(sb, length - n, stdin__stdinp); |
2039 | if (!s && feof(stdin__stdinp)) |
2040 | die("EOF in data (%lu bytes remaining)", |
2041 | (unsigned long)(length - n)); |
2042 | n += s; |
2043 | } |
2044 | } |
2045 | |
2046 | skip_optional_lf(); |
2047 | return 1; |
2048 | } |
2049 | |
2050 | static int validate_raw_date(const char *src, struct strbuf *result) |
2051 | { |
2052 | const char *orig_src = src; |
2053 | char *endp; |
2054 | unsigned long num; |
2055 | |
2056 | errno(*__error()) = 0; |
2057 | |
2058 | num = strtoul(src, &endp, 10); |
2059 | /* NEEDSWORK: perhaps check for reasonable values? */ |
2060 | if (errno(*__error()) || endp == src || *endp != ' ') |
2061 | return -1; |
2062 | |
2063 | src = endp + 1; |
2064 | if (*src != '-' && *src != '+') |
2065 | return -1; |
2066 | |
2067 | num = strtoul(src + 1, &endp, 10); |
2068 | if (errno(*__error()) || endp == src + 1 || *endp || 1400 < num) |
2069 | return -1; |
2070 | |
2071 | strbuf_addstr(result, orig_src); |
2072 | return 0; |
2073 | } |
2074 | |
2075 | static char *parse_ident(const char *buf) |
2076 | { |
2077 | const char *ltgt; |
2078 | size_t name_len; |
2079 | struct strbuf ident = STRBUF_INIT{ 0, 0, strbuf_slopbuf }; |
2080 | |
2081 | /* ensure there is a space delimiter even if there is no name */ |
2082 | if (*buf == '<') |
2083 | --buf; |
2084 | |
2085 | ltgt = buf + strcspn(buf, "<>"); |
2086 | if (*ltgt != '<') |
2087 | die("Missing < in ident string: %s", buf); |
2088 | if (ltgt != buf && ltgt[-1] != ' ') |
2089 | die("Missing space before < in ident string: %s", buf); |
2090 | ltgt = ltgt + 1 + strcspn(ltgt + 1, "<>"); |
2091 | if (*ltgt != '>') |
2092 | die("Missing > in ident string: %s", buf); |
2093 | ltgt++; |
2094 | if (*ltgt != ' ') |
2095 | die("Missing space after > in ident string: %s", buf); |
2096 | ltgt++; |
2097 | name_len = ltgt - buf; |
2098 | strbuf_add(&ident, buf, name_len); |
2099 | |
2100 | switch (whenspec) { |
2101 | case WHENSPEC_RAW: |
2102 | if (validate_raw_date(ltgt, &ident) < 0) |
2103 | die("Invalid raw date \"%s\" in ident: %s", ltgt, buf); |
2104 | break; |
2105 | case WHENSPEC_RFC2822: |
2106 | if (parse_date(ltgt, &ident) < 0) |
2107 | die("Invalid rfc2822 date \"%s\" in ident: %s", ltgt, buf); |
2108 | break; |
2109 | case WHENSPEC_NOW: |
2110 | if (strcmp("now", ltgt)) |
2111 | die("Date in ident must be 'now': %s", buf); |
2112 | datestamp(&ident); |
2113 | break; |
2114 | } |
2115 | |
2116 | return strbuf_detach(&ident, NULL((void*)0)); |
2117 | } |
2118 | |
2119 | static void parse_and_store_blob( |
2120 | struct last_object *last, |
2121 | unsigned char *sha1out, |
2122 | uintmax_t mark) |
2123 | { |
2124 | static struct strbuf buf = STRBUF_INIT{ 0, 0, strbuf_slopbuf }; |
2125 | uintmax_t len; |
2126 | |
2127 | if (parse_data(&buf, big_file_threshold, &len)) |
2128 | store_object(OBJ_BLOB, &buf, last, sha1out, mark); |
2129 | else { |
2130 | if (last) { |
2131 | strbuf_release(&last->data); |
2132 | last->offset = 0; |
2133 | last->depth = 0; |
2134 | } |
2135 | stream_blob(len, sha1out, mark); |
2136 | skip_optional_lf(); |
2137 | } |
2138 | } |
2139 | |
2140 | static void parse_new_blob(void) |
2141 | { |
2142 | read_next_command(); |
2143 | parse_mark(); |
2144 | parse_and_store_blob(&last_blob, NULL((void*)0), next_mark); |
2145 | } |
2146 | |
2147 | static void unload_one_branch(void) |
2148 | { |
2149 | while (cur_active_branches |
2150 | && cur_active_branches >= max_active_branches) { |
2151 | uintmax_t min_commit = ULONG_MAX(9223372036854775807L *2UL+1UL); |
2152 | struct branch *e, *l = NULL((void*)0), *p = NULL((void*)0); |
2153 | |
2154 | for (e = active_branches; e; e = e->active_next_branch) { |
2155 | if (e->last_commit < min_commit) { |
2156 | p = l; |
2157 | min_commit = e->last_commit; |
2158 | } |
2159 | l = e; |
2160 | } |
2161 | |
2162 | if (p) { |
2163 | e = p->active_next_branch; |
2164 | p->active_next_branch = e->active_next_branch; |
2165 | } else { |
2166 | e = active_branches; |
2167 | active_branches = e->active_next_branch; |
2168 | } |
2169 | e->active = 0; |
2170 | e->active_next_branch = NULL((void*)0); |
2171 | if (e->branch_tree.tree) { |
2172 | release_tree_content_recursive(e->branch_tree.tree); |
2173 | e->branch_tree.tree = NULL((void*)0); |
2174 | } |
2175 | cur_active_branches--; |
2176 | } |
2177 | } |
2178 | |
2179 | static void load_branch(struct branch *b) |
2180 | { |
2181 | load_tree(&b->branch_tree); |
2182 | if (!b->active) { |
2183 | b->active = 1; |
2184 | b->active_next_branch = active_branches; |
2185 | active_branches = b; |
2186 | cur_active_branches++; |
2187 | branch_load_count++; |
2188 | } |
2189 | } |
2190 | |
2191 | static unsigned char convert_num_notes_to_fanout(uintmax_t num_notes) |
2192 | { |
2193 | unsigned char fanout = 0; |
2194 | while ((num_notes >>= 8)) |
2195 | fanout++; |
2196 | return fanout; |
2197 | } |
2198 | |
2199 | static void construct_path_with_fanout(const char *hex_sha1, |
2200 | unsigned char fanout, char *path) |
2201 | { |
2202 | unsigned int i = 0, j = 0; |
2203 | if (fanout >= 20) |
2204 | die("Too large fanout (%u)", fanout); |
2205 | while (fanout) { |
2206 | path[i++] = hex_sha1[j++]; |
2207 | path[i++] = hex_sha1[j++]; |
2208 | path[i++] = '/'; |
2209 | fanout--; |
2210 | } |
2211 | memcpy(path + i, hex_sha1 + j, 40 - j)__builtin___memcpy_chk (path + i, hex_sha1 + j, 40 - j, __builtin_object_size (path + i, 0)); |
2212 | path[i + 40 - j] = '\0'; |
2213 | } |
2214 | |
2215 | static uintmax_t do_change_note_fanout( |
2216 | struct tree_entry *orig_root, struct tree_entry *root, |
2217 | char *hex_sha1, unsigned int hex_sha1_len, |
2218 | char *fullpath, unsigned int fullpath_len, |
2219 | unsigned char fanout) |
2220 | { |
2221 | struct tree_content *t; |
2222 | struct tree_entry *e, leaf; |
2223 | unsigned int i, tmp_hex_sha1_len, tmp_fullpath_len; |
2224 | uintmax_t num_notes = 0; |
2225 | unsigned char sha1[20]; |
2226 | char realpath[60]; |
2227 | |
2228 | if (!root->tree) |
2229 | load_tree(root); |
2230 | t = root->tree; |
2231 | |
2232 | for (i = 0; t && i < t->entry_count; i++) { |
2233 | e = t->entries[i]; |
2234 | tmp_hex_sha1_len = hex_sha1_len + e->name->str_len; |
2235 | tmp_fullpath_len = fullpath_len; |
2236 | |
2237 | /* |
2238 | * We're interested in EITHER existing note entries (entries |
2239 | * with exactly 40 hex chars in path, not including directory |
2240 | * separators), OR directory entries that may contain note |
2241 | * entries (with < 40 hex chars in path). |
2242 | * Also, each path component in a note entry must be a multiple |
2243 | * of 2 chars. |
2244 | */ |
2245 | if (!e->versions[1].mode || |
2246 | tmp_hex_sha1_len > 40 || |
2247 | e->name->str_len % 2) |
2248 | continue; |
2249 | |
2250 | /* This _may_ be a note entry, or a subdir containing notes */ |
2251 | memcpy(hex_sha1 + hex_sha1_len, e->name->str_dat,__builtin___memcpy_chk (hex_sha1 + hex_sha1_len, e->name-> str_dat, e->name->str_len, __builtin_object_size (hex_sha1 + hex_sha1_len, 0)) |
2252 | e->name->str_len)__builtin___memcpy_chk (hex_sha1 + hex_sha1_len, e->name-> str_dat, e->name->str_len, __builtin_object_size (hex_sha1 + hex_sha1_len, 0)); |
2253 | if (tmp_fullpath_len) |
2254 | fullpath[tmp_fullpath_len++] = '/'; |
2255 | memcpy(fullpath + tmp_fullpath_len, e->name->str_dat,__builtin___memcpy_chk (fullpath + tmp_fullpath_len, e->name ->str_dat, e->name->str_len, __builtin_object_size ( fullpath + tmp_fullpath_len, 0)) |
2256 | e->name->str_len)__builtin___memcpy_chk (fullpath + tmp_fullpath_len, e->name ->str_dat, e->name->str_len, __builtin_object_size ( fullpath + tmp_fullpath_len, 0)); |
2257 | tmp_fullpath_len += e->name->str_len; |
2258 | fullpath[tmp_fullpath_len] = '\0'; |
2259 | |
2260 | if (tmp_hex_sha1_len == 40 && !get_sha1_hex(hex_sha1, sha1)) { |
2261 | /* This is a note entry */ |
2262 | if (fanout == 0xff) { |
2263 | /* Counting mode, no rename */ |
2264 | num_notes++; |
2265 | continue; |
2266 | } |
2267 | construct_path_with_fanout(hex_sha1, fanout, realpath); |
2268 | if (!strcmp(fullpath, realpath)) { |
2269 | /* Note entry is in correct location */ |
2270 | num_notes++; |
2271 | continue; |
2272 | } |
2273 | |
2274 | /* Rename fullpath to realpath */ |
2275 | if (!tree_content_remove(orig_root, fullpath, &leaf, 0)) |
2276 | die("Failed to remove path %s", fullpath); |
2277 | tree_content_set(orig_root, realpath, |
2278 | leaf.versions[1].sha1, |
2279 | leaf.versions[1].mode, |
2280 | leaf.tree); |
2281 | } else if (S_ISDIR(e->versions[1].mode)(((e->versions[1].mode) & 0170000) == 0040000)) { |
2282 | /* This is a subdir that may contain note entries */ |
2283 | num_notes += do_change_note_fanout(orig_root, e, |
2284 | hex_sha1, tmp_hex_sha1_len, |
2285 | fullpath, tmp_fullpath_len, fanout); |
2286 | } |
2287 | |
2288 | /* The above may have reallocated the current tree_content */ |
2289 | t = root->tree; |
2290 | } |
2291 | return num_notes; |
2292 | } |
2293 | |
2294 | static uintmax_t change_note_fanout(struct tree_entry *root, |
2295 | unsigned char fanout) |
2296 | { |
2297 | char hex_sha1[40], path[60]; |
2298 | return do_change_note_fanout(root, root, hex_sha1, 0, path, 0, fanout); |
2299 | } |
2300 | |
2301 | /* |
2302 | * Given a pointer into a string, parse a mark reference: |
2303 | * |
2304 | * idnum ::= ':' bigint; |
2305 | * |
2306 | * Return the first character after the value in *endptr. |
2307 | * |
2308 | * Complain if the following character is not what is expected, |
2309 | * either a space or end of the string. |
2310 | */ |
2311 | static uintmax_t parse_mark_ref(const char *p, char **endptr) |
2312 | { |
2313 | uintmax_t mark; |
2314 | |
2315 | assert(*p == ':')(__builtin_expect(!(*p == ':'), 0) ? __assert_rtn(__func__, "fast-import.c" , 2315, "*p == ':'") : (void)0); |
2316 | p++; |
2317 | mark = strtoumax(p, endptr, 10); |
2318 | if (*endptr == p) |
2319 | die("No value after ':' in mark: %s", command_buf.buf); |
2320 | return mark; |
2321 | } |
2322 | |
2323 | /* |
2324 | * Parse the mark reference, and complain if this is not the end of |
2325 | * the string. |
2326 | */ |
2327 | static uintmax_t parse_mark_ref_eol(const char *p) |
2328 | { |
2329 | char *end; |
2330 | uintmax_t mark; |
2331 | |
2332 | mark = parse_mark_ref(p, &end); |
2333 | if (*end != '\0') |
2334 | die("Garbage after mark: %s", command_buf.buf); |
2335 | return mark; |
2336 | } |
2337 | |
2338 | /* |
2339 | * Parse the mark reference, demanding a trailing space. Return a |
2340 | * pointer to the space. |
2341 | */ |
2342 | static uintmax_t parse_mark_ref_space(const char **p) |
2343 | { |
2344 | uintmax_t mark; |
2345 | char *end; |
2346 | |
2347 | mark = parse_mark_ref(*p, &end); |
2348 | if (*end++ != ' ') |
2349 | die("Missing space after mark: %s", command_buf.buf); |
2350 | *p = end; |
2351 | return mark; |
2352 | } |
2353 | |
2354 | static void file_change_m(const char *p, struct branch *b) |
2355 | { |
2356 | static struct strbuf uq = STRBUF_INIT{ 0, 0, strbuf_slopbuf }; |
2357 | const char *endp; |
2358 | struct object_entry *oe; |
2359 | unsigned char sha1[20]; |
2360 | uint16_t mode, inline_data = 0; |
2361 | |
2362 | p = get_mode(p, &mode); |
2363 | if (!p) |
2364 | die("Corrupt mode: %s", command_buf.buf); |
2365 | switch (mode) { |
2366 | case 0644: |
2367 | case 0755: |
2368 | mode |= S_IFREG0100000; |
2369 | case S_IFREG0100000 | 0644: |
2370 | case S_IFREG0100000 | 0755: |
2371 | case S_IFLNK0120000: |
2372 | case S_IFDIR0040000: |
2373 | case S_IFGITLINK0160000: |
2374 | /* ok */ |
2375 | break; |
2376 | default: |
2377 | die("Corrupt mode: %s", command_buf.buf); |
2378 | } |
2379 | |
2380 | if (*p == ':') { |
2381 | oe = find_mark(parse_mark_ref_space(&p)); |
2382 | hashcpy(sha1, oe->idx.sha1); |
2383 | } else if (skip_prefix(p, "inline ", &p)) { |
2384 | inline_data = 1; |
2385 | oe = NULL((void*)0); /* not used with inline_data, but makes gcc happy */ |
2386 | } else { |
2387 | if (get_sha1_hex(p, sha1)) |
2388 | die("Invalid dataref: %s", command_buf.buf); |
2389 | oe = find_object(sha1); |
2390 | p += 40; |
2391 | if (*p++ != ' ') |
2392 | die("Missing space after SHA1: %s", command_buf.buf); |
2393 | } |
2394 | |
2395 | strbuf_reset(&uq)strbuf_setlen(&uq, 0); |
2396 | if (!unquote_c_style(&uq, p, &endp)) { |
2397 | if (*endp) |
2398 | die("Garbage after path in: %s", command_buf.buf); |
2399 | p = uq.buf; |
2400 | } |
2401 | |
2402 | /* Git does not track empty, non-toplevel directories. */ |
2403 | if (S_ISDIR(mode)(((mode) & 0170000) == 0040000) && !hashcmp(sha1, EMPTY_TREE_SHA1_BIN(empty_tree_oid.hash)) && *p) { |
2404 | tree_content_remove(&b->branch_tree, p, NULL((void*)0), 0); |
2405 | return; |
2406 | } |
2407 | |
2408 | if (S_ISGITLINK(mode)(((mode) & 0170000) == 0160000)) { |
2409 | if (inline_data) |
2410 | die("Git links cannot be specified 'inline': %s", |
2411 | command_buf.buf); |
2412 | else if (oe) { |
2413 | if (oe->type != OBJ_COMMIT) |
2414 | die("Not a commit (actually a %s): %s", |
2415 | typename(oe->type), command_buf.buf); |
2416 | } |
2417 | /* |
2418 | * Accept the sha1 without checking; it expected to be in |
2419 | * another repository. |
2420 | */ |
2421 | } else if (inline_data) { |
2422 | if (S_ISDIR(mode)(((mode) & 0170000) == 0040000)) |
2423 | die("Directories cannot be specified 'inline': %s", |
2424 | command_buf.buf); |
2425 | if (p != uq.buf) { |
2426 | strbuf_addstr(&uq, p); |
2427 | p = uq.buf; |
2428 | } |
2429 | read_next_command(); |
2430 | parse_and_store_blob(&last_blob, sha1, 0); |
2431 | } else { |
2432 | enum object_type expected = S_ISDIR(mode)(((mode) & 0170000) == 0040000) ? |
2433 | OBJ_TREE: OBJ_BLOB; |
2434 | enum object_type type = oe ? oe->type : |
2435 | sha1_object_info(sha1, NULL((void*)0)); |
2436 | if (type < 0) |
2437 | die("%s not found: %s", |
2438 | S_ISDIR(mode)(((mode) & 0170000) == 0040000) ? "Tree" : "Blob", |
2439 | command_buf.buf); |
2440 | if (type != expected) |
2441 | die("Not a %s (actually a %s): %s", |
2442 | typename(expected), typename(type), |
2443 | command_buf.buf); |
2444 | } |
2445 | |
2446 | if (!*p) { |
2447 | tree_content_replace(&b->branch_tree, sha1, mode, NULL((void*)0)); |
2448 | return; |
2449 | } |
2450 | tree_content_set(&b->branch_tree, p, sha1, mode, NULL((void*)0)); |
2451 | } |
2452 | |
2453 | static void file_change_d(const char *p, struct branch *b) |
2454 | { |
2455 | static struct strbuf uq = STRBUF_INIT{ 0, 0, strbuf_slopbuf }; |
2456 | const char *endp; |
2457 | |
2458 | strbuf_reset(&uq)strbuf_setlen(&uq, 0); |
2459 | if (!unquote_c_style(&uq, p, &endp)) { |
2460 | if (*endp) |
2461 | die("Garbage after path in: %s", command_buf.buf); |
2462 | p = uq.buf; |
2463 | } |
2464 | tree_content_remove(&b->branch_tree, p, NULL((void*)0), 1); |
2465 | } |
2466 | |
2467 | static void file_change_cr(const char *s, struct branch *b, int rename) |
2468 | { |
2469 | const char *d; |
2470 | static struct strbuf s_uq = STRBUF_INIT{ 0, 0, strbuf_slopbuf }; |
2471 | static struct strbuf d_uq = STRBUF_INIT{ 0, 0, strbuf_slopbuf }; |
2472 | const char *endp; |
2473 | struct tree_entry leaf; |
2474 | |
2475 | strbuf_reset(&s_uq)strbuf_setlen(&s_uq, 0); |
2476 | if (!unquote_c_style(&s_uq, s, &endp)) { |
2477 | if (*endp != ' ') |
2478 | die("Missing space after source: %s", command_buf.buf); |
2479 | } else { |
2480 | endp = strchr(s, ' '); |
2481 | if (!endp) |
2482 | die("Missing space after source: %s", command_buf.buf); |
2483 | strbuf_add(&s_uq, s, endp - s); |
2484 | } |
2485 | s = s_uq.buf; |
2486 | |
2487 | endp++; |
2488 | if (!*endp) |
2489 | die("Missing dest: %s", command_buf.buf); |
2490 | |
2491 | d = endp; |
2492 | strbuf_reset(&d_uq)strbuf_setlen(&d_uq, 0); |
2493 | if (!unquote_c_style(&d_uq, d, &endp)) { |
2494 | if (*endp) |
2495 | die("Garbage after dest in: %s", command_buf.buf); |
2496 | d = d_uq.buf; |
2497 | } |
2498 | |
2499 | memset(&leaf, 0, sizeof(leaf))__builtin___memset_chk (&leaf, 0, sizeof(leaf), __builtin_object_size (&leaf, 0)); |
2500 | if (rename) |
2501 | tree_content_remove(&b->branch_tree, s, &leaf, 1); |
2502 | else |
2503 | tree_content_get(&b->branch_tree, s, &leaf, 1); |
2504 | if (!leaf.versions[1].mode) |
2505 | die("Path %s not in branch", s); |
2506 | if (!*d) { /* C "path/to/subdir" "" */ |
2507 | tree_content_replace(&b->branch_tree, |
2508 | leaf.versions[1].sha1, |
2509 | leaf.versions[1].mode, |
2510 | leaf.tree); |
2511 | return; |
2512 | } |
2513 | tree_content_set(&b->branch_tree, d, |
2514 | leaf.versions[1].sha1, |
2515 | leaf.versions[1].mode, |
2516 | leaf.tree); |
2517 | } |
2518 | |
2519 | static void note_change_n(const char *p, struct branch *b, unsigned char *old_fanout) |
2520 | { |
2521 | static struct strbuf uq = STRBUF_INIT{ 0, 0, strbuf_slopbuf }; |
2522 | struct object_entry *oe; |
2523 | struct branch *s; |
2524 | unsigned char sha1[20], commit_sha1[20]; |
2525 | char path[60]; |
2526 | uint16_t inline_data = 0; |
2527 | unsigned char new_fanout; |
2528 | |
2529 | /* |
2530 | * When loading a branch, we don't traverse its tree to count the real |
2531 | * number of notes (too expensive to do this for all non-note refs). |
2532 | * This means that recently loaded notes refs might incorrectly have |
2533 | * b->num_notes == 0, and consequently, old_fanout might be wrong. |
2534 | * |
2535 | * Fix this by traversing the tree and counting the number of notes |
2536 | * when b->num_notes == 0. If the notes tree is truly empty, the |
2537 | * calculation should not take long. |
2538 | */ |
2539 | if (b->num_notes == 0 && *old_fanout == 0) { |
2540 | /* Invoke change_note_fanout() in "counting mode". */ |
2541 | b->num_notes = change_note_fanout(&b->branch_tree, 0xff); |
2542 | *old_fanout = convert_num_notes_to_fanout(b->num_notes); |
2543 | } |
2544 | |
2545 | /* Now parse the notemodify command. */ |
2546 | /* <dataref> or 'inline' */ |
2547 | if (*p == ':') { |
2548 | oe = find_mark(parse_mark_ref_space(&p)); |
2549 | hashcpy(sha1, oe->idx.sha1); |
2550 | } else if (skip_prefix(p, "inline ", &p)) { |
2551 | inline_data = 1; |
2552 | oe = NULL((void*)0); /* not used with inline_data, but makes gcc happy */ |
2553 | } else { |
2554 | if (get_sha1_hex(p, sha1)) |
2555 | die("Invalid dataref: %s", command_buf.buf); |
2556 | oe = find_object(sha1); |
2557 | p += 40; |
2558 | if (*p++ != ' ') |
2559 | die("Missing space after SHA1: %s", command_buf.buf); |
2560 | } |
2561 | |
2562 | /* <commit-ish> */ |
2563 | s = lookup_branch(p); |
2564 | if (s) { |
2565 | if (is_null_sha1(s->sha1)) |
2566 | die("Can't add a note on empty branch."); |
2567 | hashcpy(commit_sha1, s->sha1); |
2568 | } else if (*p == ':') { |
2569 | uintmax_t commit_mark = parse_mark_ref_eol(p); |
2570 | struct object_entry *commit_oe = find_mark(commit_mark); |
2571 | if (commit_oe->type != OBJ_COMMIT) |
2572 | die("Mark :%" PRIuMAX"j" "u" " not a commit", commit_mark); |
2573 | hashcpy(commit_sha1, commit_oe->idx.sha1); |
2574 | } else if (!get_sha1(p, commit_sha1)) { |
2575 | unsigned long size; |
2576 | char *buf = read_object_with_reference(commit_sha1, |
2577 | commit_type, &size, commit_sha1); |
2578 | if (!buf || size < 46) |
2579 | die("Not a valid commit: %s", p); |
2580 | free(buf); |
2581 | } else |
2582 | die("Invalid ref name or SHA1 expression: %s", p); |
2583 | |
2584 | if (inline_data) { |
2585 | if (p != uq.buf) { |
2586 | strbuf_addstr(&uq, p); |
2587 | p = uq.buf; |
2588 | } |
2589 | read_next_command(); |
2590 | parse_and_store_blob(&last_blob, sha1, 0); |
2591 | } else if (oe) { |
2592 | if (oe->type != OBJ_BLOB) |
2593 | die("Not a blob (actually a %s): %s", |
2594 | typename(oe->type), command_buf.buf); |
2595 | } else if (!is_null_sha1(sha1)) { |
2596 | enum object_type type = sha1_object_info(sha1, NULL((void*)0)); |
2597 | if (type < 0) |
2598 | die("Blob not found: %s", command_buf.buf); |
2599 | if (type != OBJ_BLOB) |
2600 | die("Not a blob (actually a %s): %s", |
2601 | typename(type), command_buf.buf); |
2602 | } |
2603 | |
2604 | construct_path_with_fanout(sha1_to_hex(commit_sha1), *old_fanout, path); |
2605 | if (tree_content_remove(&b->branch_tree, path, NULL((void*)0), 0)) |
2606 | b->num_notes--; |
2607 | |
2608 | if (is_null_sha1(sha1)) |
2609 | return; /* nothing to insert */ |
2610 | |
2611 | b->num_notes++; |
2612 | new_fanout = convert_num_notes_to_fanout(b->num_notes); |
2613 | construct_path_with_fanout(sha1_to_hex(commit_sha1), new_fanout, path); |
2614 | tree_content_set(&b->branch_tree, path, sha1, S_IFREG0100000 | 0644, NULL((void*)0)); |
2615 | } |
2616 | |
2617 | static void file_change_deleteall(struct branch *b) |
2618 | { |
2619 | release_tree_content_recursive(b->branch_tree.tree); |
2620 | hashclr(b->branch_tree.versions[0].sha1); |
2621 | hashclr(b->branch_tree.versions[1].sha1); |
2622 | load_tree(&b->branch_tree); |
2623 | b->num_notes = 0; |
2624 | } |
2625 | |
2626 | static void parse_from_commit(struct branch *b, char *buf, unsigned long size) |
2627 | { |
2628 | if (!buf || size < 46) |
2629 | die("Not a valid commit: %s", sha1_to_hex(b->sha1)); |
2630 | if (memcmp("tree ", buf, 5) |
2631 | || get_sha1_hex(buf + 5, b->branch_tree.versions[1].sha1)) |
2632 | die("The commit %s is corrupt", sha1_to_hex(b->sha1)); |
2633 | hashcpy(b->branch_tree.versions[0].sha1, |
2634 | b->branch_tree.versions[1].sha1); |
2635 | } |
2636 | |
2637 | static void parse_from_existing(struct branch *b) |
2638 | { |
2639 | if (is_null_sha1(b->sha1)) { |
2640 | hashclr(b->branch_tree.versions[0].sha1); |
2641 | hashclr(b->branch_tree.versions[1].sha1); |
2642 | } else { |
2643 | unsigned long size; |
2644 | char *buf; |
2645 | |
2646 | buf = read_object_with_reference(b->sha1, |
2647 | commit_type, &size, b->sha1); |
2648 | parse_from_commit(b, buf, size); |
2649 | free(buf); |
2650 | } |
2651 | } |
2652 | |
2653 | static int parse_from(struct branch *b) |
2654 | { |
2655 | const char *from; |
2656 | struct branch *s; |
2657 | unsigned char sha1[20]; |
2658 | |
2659 | if (!skip_prefix(command_buf.buf, "from ", &from)) |
2660 | return 0; |
2661 | |
2662 | hashcpy(sha1, b->branch_tree.versions[1].sha1); |
2663 | |
2664 | s = lookup_branch(from); |
2665 | if (b == s) |
2666 | die("Can't create a branch from itself: %s", b->name); |
2667 | else if (s) { |
2668 | unsigned char *t = s->branch_tree.versions[1].sha1; |
2669 | hashcpy(b->sha1, s->sha1); |
2670 | hashcpy(b->branch_tree.versions[0].sha1, t); |
2671 | hashcpy(b->branch_tree.versions[1].sha1, t); |
2672 | } else if (*from == ':') { |
2673 | uintmax_t idnum = parse_mark_ref_eol(from); |
2674 | struct object_entry *oe = find_mark(idnum); |
2675 | if (oe->type != OBJ_COMMIT) |
2676 | die("Mark :%" PRIuMAX"j" "u" " not a commit", idnum); |
2677 | if (hashcmp(b->sha1, oe->idx.sha1)) { |
2678 | hashcpy(b->sha1, oe->idx.sha1); |
2679 | if (oe->pack_id != MAX_PACK_ID((1<<16)-1)) { |
2680 | unsigned long size; |
2681 | char *buf = gfi_unpack_entry(oe, &size); |
2682 | parse_from_commit(b, buf, size); |
2683 | free(buf); |
2684 | } else |
2685 | parse_from_existing(b); |
2686 | } |
2687 | } else if (!get_sha1(from, b->sha1)) { |
2688 | parse_from_existing(b); |
2689 | if (is_null_sha1(b->sha1)) |
2690 | b->delete = 1; |
2691 | } |
2692 | else |
2693 | die("Invalid ref name or SHA1 expression: %s", from); |
2694 | |
2695 | if (b->branch_tree.tree && hashcmp(sha1, b->branch_tree.versions[1].sha1)) { |
2696 | release_tree_content_recursive(b->branch_tree.tree); |
2697 | b->branch_tree.tree = NULL((void*)0); |
2698 | } |
2699 | |
2700 | read_next_command(); |
2701 | return 1; |
2702 | } |
2703 | |
2704 | static struct hash_list *parse_merge(unsigned int *count) |
2705 | { |
2706 | struct hash_list *list = NULL((void*)0), **tail = &list, *n; |
2707 | const char *from; |
2708 | struct branch *s; |
2709 | |
2710 | *count = 0; |
2711 | while (skip_prefix(command_buf.buf, "merge ", &from)) { |
2712 | n = xmalloc(sizeof(*n)); |
2713 | s = lookup_branch(from); |
2714 | if (s) |
2715 | hashcpy(n->sha1, s->sha1); |
2716 | else if (*from == ':') { |
2717 | uintmax_t idnum = parse_mark_ref_eol(from); |
2718 | struct object_entry *oe = find_mark(idnum); |
2719 | if (oe->type != OBJ_COMMIT) |
2720 | die("Mark :%" PRIuMAX"j" "u" " not a commit", idnum); |
2721 | hashcpy(n->sha1, oe->idx.sha1); |
2722 | } else if (!get_sha1(from, n->sha1)) { |
2723 | unsigned long size; |
2724 | char *buf = read_object_with_reference(n->sha1, |
2725 | commit_type, &size, n->sha1); |
2726 | if (!buf || size < 46) |
2727 | die("Not a valid commit: %s", from); |
2728 | free(buf); |
2729 | } else |
2730 | die("Invalid ref name or SHA1 expression: %s", from); |
2731 | |
2732 | n->next = NULL((void*)0); |
2733 | *tail = n; |
2734 | tail = &n->next; |
2735 | |
2736 | (*count)++; |
2737 | read_next_command(); |
2738 | } |
2739 | return list; |
2740 | } |
2741 | |
2742 | static void parse_new_commit(const char *arg) |
2743 | { |
2744 | static struct strbuf msg = STRBUF_INIT{ 0, 0, strbuf_slopbuf }; |
2745 | struct branch *b; |
2746 | char *author = NULL((void*)0); |
2747 | char *committer = NULL((void*)0); |
2748 | struct hash_list *merge_list = NULL((void*)0); |
2749 | unsigned int merge_count; |
2750 | unsigned char prev_fanout, new_fanout; |
2751 | const char *v; |
2752 | |
2753 | b = lookup_branch(arg); |
2754 | if (!b) |
2755 | b = new_branch(arg); |
2756 | |
2757 | read_next_command(); |
2758 | parse_mark(); |
2759 | if (skip_prefix(command_buf.buf, "author ", &v)) { |
2760 | author = parse_ident(v); |
2761 | read_next_command(); |
2762 | } |
2763 | if (skip_prefix(command_buf.buf, "committer ", &v)) { |
2764 | committer = parse_ident(v); |
2765 | read_next_command(); |
2766 | } |
2767 | if (!committer) |
2768 | die("Expected committer but didn't get one"); |
2769 | parse_data(&msg, 0, NULL((void*)0)); |
2770 | read_next_command(); |
2771 | parse_from(b); |
2772 | merge_list = parse_merge(&merge_count); |
2773 | |
2774 | /* ensure the branch is active/loaded */ |
2775 | if (!b->branch_tree.tree || !max_active_branches) { |
2776 | unload_one_branch(); |
2777 | load_branch(b); |
2778 | } |
2779 | |
2780 | prev_fanout = convert_num_notes_to_fanout(b->num_notes); |
2781 | |
2782 | /* file_change* */ |
2783 | while (command_buf.len > 0) { |
2784 | if (skip_prefix(command_buf.buf, "M ", &v)) |
2785 | file_change_m(v, b); |
2786 | else if (skip_prefix(command_buf.buf, "D ", &v)) |
2787 | file_change_d(v, b); |
2788 | else if (skip_prefix(command_buf.buf, "R ", &v)) |
2789 | file_change_cr(v, b, 1); |
2790 | else if (skip_prefix(command_buf.buf, "C ", &v)) |
2791 | file_change_cr(v, b, 0); |
2792 | else if (skip_prefix(command_buf.buf, "N ", &v)) |
2793 | note_change_n(v, b, &prev_fanout); |
2794 | else if (!strcmp("deleteall", command_buf.buf)) |
2795 | file_change_deleteall(b); |
2796 | else if (skip_prefix(command_buf.buf, "ls ", &v)) |
2797 | parse_ls(v, b); |
2798 | else { |
2799 | unread_command_buf = 1; |
2800 | break; |
2801 | } |
2802 | if (read_next_command() == EOF(-1)) |
2803 | break; |
2804 | } |
2805 | |
2806 | new_fanout = convert_num_notes_to_fanout(b->num_notes); |
2807 | if (new_fanout != prev_fanout) |
2808 | b->num_notes = change_note_fanout(&b->branch_tree, new_fanout); |
2809 | |
2810 | /* build the tree and the commit */ |
2811 | store_tree(&b->branch_tree); |
2812 | hashcpy(b->branch_tree.versions[0].sha1, |
2813 | b->branch_tree.versions[1].sha1); |
2814 | |
2815 | strbuf_reset(&new_data)strbuf_setlen(&new_data, 0); |
2816 | strbuf_addf(&new_data, "tree %s\n", |
2817 | sha1_to_hex(b->branch_tree.versions[1].sha1)); |
2818 | if (!is_null_sha1(b->sha1)) |
2819 | strbuf_addf(&new_data, "parent %s\n", sha1_to_hex(b->sha1)); |
2820 | while (merge_list) { |
2821 | struct hash_list *next = merge_list->next; |
2822 | strbuf_addf(&new_data, "parent %s\n", sha1_to_hex(merge_list->sha1)); |
2823 | free(merge_list); |
2824 | merge_list = next; |
2825 | } |
2826 | strbuf_addf(&new_data, |
2827 | "author %s\n" |
2828 | "committer %s\n" |
2829 | "\n", |
2830 | author ? author : committer, committer); |
2831 | strbuf_addbuf(&new_data, &msg); |
2832 | free(author); |
2833 | free(committer); |
2834 | |
2835 | if (!store_object(OBJ_COMMIT, &new_data, NULL((void*)0), b->sha1, next_mark)) |
2836 | b->pack_id = pack_id; |
2837 | b->last_commit = object_count_by_type[OBJ_COMMIT]; |
2838 | } |
2839 | |
2840 | static void parse_new_tag(const char *arg) |
2841 | { |
2842 | static struct strbuf msg = STRBUF_INIT{ 0, 0, strbuf_slopbuf }; |
2843 | const char *from; |
2844 | char *tagger; |
2845 | struct branch *s; |
2846 | struct tag *t; |
2847 | uintmax_t from_mark = 0; |
2848 | unsigned char sha1[20]; |
2849 | enum object_type type; |
2850 | const char *v; |
2851 | |
2852 | t = pool_alloc(sizeof(struct tag)); |
2853 | memset(t, 0, sizeof(struct tag))__builtin___memset_chk (t, 0, sizeof(struct tag), __builtin_object_size (t, 0)); |
2854 | t->name = pool_strdup(arg); |
2855 | if (last_tag) |
2856 | last_tag->next_tag = t; |
2857 | else |
2858 | first_tag = t; |
2859 | last_tag = t; |
2860 | read_next_command(); |
2861 | |
2862 | /* from ... */ |
2863 | if (!skip_prefix(command_buf.buf, "from ", &from)) |
2864 | die("Expected from command, got %s", command_buf.buf); |
2865 | s = lookup_branch(from); |
2866 | if (s) { |
2867 | if (is_null_sha1(s->sha1)) |
2868 | die("Can't tag an empty branch."); |
2869 | hashcpy(sha1, s->sha1); |
2870 | type = OBJ_COMMIT; |
2871 | } else if (*from == ':') { |
2872 | struct object_entry *oe; |
2873 | from_mark = parse_mark_ref_eol(from); |
2874 | oe = find_mark(from_mark); |
2875 | type = oe->type; |
2876 | hashcpy(sha1, oe->idx.sha1); |
2877 | } else if (!get_sha1(from, sha1)) { |
2878 | struct object_entry *oe = find_object(sha1); |
2879 | if (!oe) { |
2880 | type = sha1_object_info(sha1, NULL((void*)0)); |
2881 | if (type < 0) |
2882 | die("Not a valid object: %s", from); |
2883 | } else |
2884 | type = oe->type; |
2885 | } else |
2886 | die("Invalid ref name or SHA1 expression: %s", from); |
2887 | read_next_command(); |
2888 | |
2889 | /* tagger ... */ |
2890 | if (skip_prefix(command_buf.buf, "tagger ", &v)) { |
2891 | tagger = parse_ident(v); |
2892 | read_next_command(); |
2893 | } else |
2894 | tagger = NULL((void*)0); |
2895 | |
2896 | /* tag payload/message */ |
2897 | parse_data(&msg, 0, NULL((void*)0)); |
2898 | |
2899 | /* build the tag object */ |
2900 | strbuf_reset(&new_data)strbuf_setlen(&new_data, 0); |
2901 | |
2902 | strbuf_addf(&new_data, |
2903 | "object %s\n" |
2904 | "type %s\n" |
2905 | "tag %s\n", |
2906 | sha1_to_hex(sha1), typename(type), t->name); |
2907 | if (tagger) |
2908 | strbuf_addf(&new_data, |
2909 | "tagger %s\n", tagger); |
2910 | strbuf_addch(&new_data, '\n'); |
2911 | strbuf_addbuf(&new_data, &msg); |
2912 | free(tagger); |
2913 | |
2914 | if (store_object(OBJ_TAG, &new_data, NULL((void*)0), t->sha1, 0)) |
2915 | t->pack_id = MAX_PACK_ID((1<<16)-1); |
2916 | else |
2917 | t->pack_id = pack_id; |
2918 | } |
2919 | |
2920 | static void parse_reset_branch(const char *arg) |
2921 | { |
2922 | struct branch *b; |
2923 | |
2924 | b = lookup_branch(arg); |
2925 | if (b) { |
2926 | hashclr(b->sha1); |
2927 | hashclr(b->branch_tree.versions[0].sha1); |
2928 | hashclr(b->branch_tree.versions[1].sha1); |
2929 | if (b->branch_tree.tree) { |
2930 | release_tree_content_recursive(b->branch_tree.tree); |
2931 | b->branch_tree.tree = NULL((void*)0); |
2932 | } |
2933 | } |
2934 | else |
2935 | b = new_branch(arg); |
2936 | read_next_command(); |
2937 | parse_from(b); |
2938 | if (command_buf.len > 0) |
2939 | unread_command_buf = 1; |
2940 | } |
2941 | |
2942 | static void cat_blob_write(const char *buf, unsigned long size) |
2943 | { |
2944 | if (write_in_full(cat_blob_fd, buf, size) != size) |
2945 | die_errno("Write to frontend failed"); |
2946 | } |
2947 | |
2948 | static void cat_blob(struct object_entry *oe, unsigned char sha1[20]) |
2949 | { |
2950 | struct strbuf line = STRBUF_INIT{ 0, 0, strbuf_slopbuf }; |
2951 | unsigned long size; |
2952 | enum object_type type = 0; |
2953 | char *buf; |
2954 | |
2955 | if (!oe || oe->pack_id == MAX_PACK_ID((1<<16)-1)) { |
2956 | buf = read_sha1_file(sha1, &type, &size); |
2957 | } else { |
2958 | type = oe->type; |
2959 | buf = gfi_unpack_entry(oe, &size); |
2960 | } |
2961 | |
2962 | /* |
2963 | * Output based on batch_one_object() from cat-file.c. |
2964 | */ |
2965 | if (type <= 0) { |
2966 | strbuf_reset(&line)strbuf_setlen(&line, 0); |
2967 | strbuf_addf(&line, "%s missing\n", sha1_to_hex(sha1)); |
2968 | cat_blob_write(line.buf, line.len); |
2969 | strbuf_release(&line); |
2970 | free(buf); |
2971 | return; |
2972 | } |
2973 | if (!buf) |
2974 | die("Can't read object %s", sha1_to_hex(sha1)); |
2975 | if (type != OBJ_BLOB) |
2976 | die("Object %s is a %s but a blob was expected.", |
2977 | sha1_to_hex(sha1), typename(type)); |
2978 | strbuf_reset(&line)strbuf_setlen(&line, 0); |
2979 | strbuf_addf(&line, "%s %s %lu\n", sha1_to_hex(sha1), |
2980 | typename(type), size); |
2981 | cat_blob_write(line.buf, line.len); |
2982 | strbuf_release(&line); |
2983 | cat_blob_write(buf, size); |
2984 | cat_blob_write("\n", 1); |
2985 | if (oe && oe->pack_id == pack_id) { |
2986 | last_blob.offset = oe->idx.offset; |
2987 | strbuf_attach(&last_blob.data, buf, size, size); |
2988 | last_blob.depth = oe->depth; |
2989 | } else |
2990 | free(buf); |
2991 | } |
2992 | |
2993 | static void parse_get_mark(const char *p) |
2994 | { |
2995 | struct object_entry *oe = oe; |
Value stored to 'oe' during its initialization is never read | |
2996 | char output[42]; |
2997 | |
2998 | /* get-mark SP <object> LF */ |
2999 | if (*p != ':') |
3000 | die("Not a mark: %s", p); |
3001 | |
3002 | oe = find_mark(parse_mark_ref_eol(p)); |
3003 | if (!oe) |
3004 | die("Unknown mark: %s", command_buf.buf); |
3005 | |
3006 | snprintf(output, sizeof(output), "%s\n", sha1_to_hex(oe->idx.sha1))__builtin___snprintf_chk (output, sizeof(output), 0, __builtin_object_size (output, 2 > 1 ? 1 : 0), "%s\n", sha1_to_hex(oe->idx.sha1 )); |
3007 | cat_blob_write(output, 41); |
3008 | } |
3009 | |
3010 | static void parse_cat_blob(const char *p) |
3011 | { |
3012 | struct object_entry *oe = oe; |
3013 | unsigned char sha1[20]; |
3014 | |
3015 | /* cat-blob SP <object> LF */ |
3016 | if (*p == ':') { |
3017 | oe = find_mark(parse_mark_ref_eol(p)); |
3018 | if (!oe) |
3019 | die("Unknown mark: %s", command_buf.buf); |
3020 | hashcpy(sha1, oe->idx.sha1); |
3021 | } else { |
3022 | if (get_sha1_hex(p, sha1)) |
3023 | die("Invalid dataref: %s", command_buf.buf); |
3024 | if (p[40]) |
3025 | die("Garbage after SHA1: %s", command_buf.buf); |
3026 | oe = find_object(sha1); |
3027 | } |
3028 | |
3029 | cat_blob(oe, sha1); |
3030 | } |
3031 | |
3032 | static struct object_entry *dereference(struct object_entry *oe, |
3033 | unsigned char sha1[20]) |
3034 | { |
3035 | unsigned long size; |
3036 | char *buf = NULL((void*)0); |
3037 | if (!oe) { |
3038 | enum object_type type = sha1_object_info(sha1, NULL((void*)0)); |
3039 | if (type < 0) |
3040 | die("object not found: %s", sha1_to_hex(sha1)); |
3041 | /* cache it! */ |
3042 | oe = insert_object(sha1); |
3043 | oe->type = type; |
3044 | oe->pack_id = MAX_PACK_ID((1<<16)-1); |
3045 | oe->idx.offset = 1; |
3046 | } |
3047 | switch (oe->type) { |
3048 | case OBJ_TREE: /* easy case. */ |
3049 | return oe; |
3050 | case OBJ_COMMIT: |
3051 | case OBJ_TAG: |
3052 | break; |
3053 | default: |
3054 | die("Not a tree-ish: %s", command_buf.buf); |
3055 | } |
3056 | |
3057 | if (oe->pack_id != MAX_PACK_ID((1<<16)-1)) { /* in a pack being written */ |
3058 | buf = gfi_unpack_entry(oe, &size); |
3059 | } else { |
3060 | enum object_type unused; |
3061 | buf = read_sha1_file(sha1, &unused, &size); |
3062 | } |
3063 | if (!buf) |
3064 | die("Can't load object %s", sha1_to_hex(sha1)); |
3065 | |
3066 | /* Peel one layer. */ |
3067 | switch (oe->type) { |
3068 | case OBJ_TAG: |
3069 | if (size < 40 + strlen("object ") || |
3070 | get_sha1_hex(buf + strlen("object "), sha1)) |
3071 | die("Invalid SHA1 in tag: %s", command_buf.buf); |
3072 | break; |
3073 | case OBJ_COMMIT: |
3074 | if (size < 40 + strlen("tree ") || |
3075 | get_sha1_hex(buf + strlen("tree "), sha1)) |
3076 | die("Invalid SHA1 in commit: %s", command_buf.buf); |
3077 | } |
3078 | |
3079 | free(buf); |
3080 | return find_object(sha1); |
3081 | } |
3082 | |
3083 | static struct object_entry *parse_treeish_dataref(const char **p) |
3084 | { |
3085 | unsigned char sha1[20]; |
3086 | struct object_entry *e; |
3087 | |
3088 | if (**p == ':') { /* <mark> */ |
3089 | e = find_mark(parse_mark_ref_space(p)); |
3090 | if (!e) |
3091 | die("Unknown mark: %s", command_buf.buf); |
3092 | hashcpy(sha1, e->idx.sha1); |
3093 | } else { /* <sha1> */ |
3094 | if (get_sha1_hex(*p, sha1)) |
3095 | die("Invalid dataref: %s", command_buf.buf); |
3096 | e = find_object(sha1); |
3097 | *p += 40; |
3098 | if (*(*p)++ != ' ') |
3099 | die("Missing space after tree-ish: %s", command_buf.buf); |
3100 | } |
3101 | |
3102 | while (!e || e->type != OBJ_TREE) |
3103 | e = dereference(e, sha1); |
3104 | return e; |
3105 | } |
3106 | |
3107 | static void print_ls(int mode, const unsigned char *sha1, const char *path) |
3108 | { |
3109 | static struct strbuf line = STRBUF_INIT{ 0, 0, strbuf_slopbuf }; |
3110 | |
3111 | /* See show_tree(). */ |
3112 | const char *type = |
3113 | S_ISGITLINK(mode)(((mode) & 0170000) == 0160000) ? commit_type : |
3114 | S_ISDIR(mode)(((mode) & 0170000) == 0040000) ? tree_type : |
3115 | blob_type; |
3116 | |
3117 | if (!mode) { |
3118 | /* missing SP path LF */ |
3119 | strbuf_reset(&line)strbuf_setlen(&line, 0); |
3120 | strbuf_addstr(&line, "missing "); |
3121 | quote_c_style(path, &line, NULL((void*)0), 0); |
3122 | strbuf_addch(&line, '\n'); |
3123 | } else { |
3124 | /* mode SP type SP object_name TAB path LF */ |
3125 | strbuf_reset(&line)strbuf_setlen(&line, 0); |
3126 | strbuf_addf(&line, "%06o %s %s\t", |
3127 | mode & ~NO_DELTA0004000, type, sha1_to_hex(sha1)); |
3128 | quote_c_style(path, &line, NULL((void*)0), 0); |
3129 | strbuf_addch(&line, '\n'); |
3130 | } |
3131 | cat_blob_write(line.buf, line.len); |
3132 | } |
3133 | |
3134 | static void parse_ls(const char *p, struct branch *b) |
3135 | { |
3136 | struct tree_entry *root = NULL((void*)0); |
3137 | struct tree_entry leaf = {NULL((void*)0)}; |
3138 | |
3139 | /* ls SP (<tree-ish> SP)? <path> */ |
3140 | if (*p == '"') { |
3141 | if (!b) |
3142 | die("Not in a commit: %s", command_buf.buf); |
3143 | root = &b->branch_tree; |
3144 | } else { |
3145 | struct object_entry *e = parse_treeish_dataref(&p); |
3146 | root = new_tree_entry(); |
3147 | hashcpy(root->versions[1].sha1, e->idx.sha1); |
3148 | if (!is_null_sha1(root->versions[1].sha1)) |
3149 | root->versions[1].mode = S_IFDIR0040000; |
3150 | load_tree(root); |
3151 | } |
3152 | if (*p == '"') { |
3153 | static struct strbuf uq = STRBUF_INIT{ 0, 0, strbuf_slopbuf }; |
3154 | const char *endp; |
3155 | strbuf_reset(&uq)strbuf_setlen(&uq, 0); |
3156 | if (unquote_c_style(&uq, p, &endp)) |
3157 | die("Invalid path: %s", command_buf.buf); |
3158 | if (*endp) |
3159 | die("Garbage after path in: %s", command_buf.buf); |
3160 | p = uq.buf; |
3161 | } |
3162 | tree_content_get(root, p, &leaf, 1); |
3163 | /* |
3164 | * A directory in preparation would have a sha1 of zero |
3165 | * until it is saved. Save, for simplicity. |
3166 | */ |
3167 | if (S_ISDIR(leaf.versions[1].mode)(((leaf.versions[1].mode) & 0170000) == 0040000)) |
3168 | store_tree(&leaf); |
3169 | |
3170 | print_ls(leaf.versions[1].mode, leaf.versions[1].sha1, p); |
3171 | if (leaf.tree) |
3172 | release_tree_content_recursive(leaf.tree); |
3173 | if (!b || root != &b->branch_tree) |
3174 | release_tree_entry(root); |
3175 | } |
3176 | |
3177 | static void checkpoint(void) |
3178 | { |
3179 | checkpoint_requested = 0; |
3180 | if (object_count) { |
3181 | cycle_packfile(); |
3182 | dump_branches(); |
3183 | dump_tags(); |
3184 | dump_marks(); |
3185 | } |
3186 | } |
3187 | |
3188 | static void parse_checkpoint(void) |
3189 | { |
3190 | checkpoint_requested = 1; |
3191 | skip_optional_lf(); |
3192 | } |
3193 | |
3194 | static void parse_progress(void) |
3195 | { |
3196 | fwrite(command_buf.buf, 1, command_buf.len, stdout__stdoutp); |
3197 | fputc('\n', stdout__stdoutp); |
3198 | fflush(stdout__stdoutp); |
3199 | skip_optional_lf(); |
3200 | } |
3201 | |
3202 | static char* make_fast_import_path(const char *path) |
3203 | { |
3204 | if (!relative_marks_paths || is_absolute_path(path)) |
3205 | return xstrdup(path); |
3206 | return xstrdup(git_path("info/fast-import/%s", path)); |
3207 | } |
3208 | |
3209 | static void option_import_marks(const char *marks, |
3210 | int from_stream, int ignore_missing) |
3211 | { |
3212 | if (import_marks_file) { |
3213 | if (from_stream) |
3214 | die("Only one import-marks command allowed per stream"); |
3215 | |
3216 | /* read previous mark file */ |
3217 | if(!import_marks_file_from_stream) |
3218 | read_marks(); |
3219 | } |
3220 | |
3221 | import_marks_file = make_fast_import_path(marks); |
3222 | safe_create_leading_directories_const(import_marks_file); |
3223 | import_marks_file_from_stream = from_stream; |
3224 | import_marks_file_ignore_missing = ignore_missing; |
3225 | } |
3226 | |
3227 | static void option_date_format(const char *fmt) |
3228 | { |
3229 | if (!strcmp(fmt, "raw")) |
3230 | whenspec = WHENSPEC_RAW; |
3231 | else if (!strcmp(fmt, "rfc2822")) |
3232 | whenspec = WHENSPEC_RFC2822; |
3233 | else if (!strcmp(fmt, "now")) |
3234 | whenspec = WHENSPEC_NOW; |
3235 | else |
3236 | die("unknown --date-format argument %s", fmt); |
3237 | } |
3238 | |
3239 | static unsigned long ulong_arg(const char *option, const char *arg) |
3240 | { |
3241 | char *endptr; |
3242 | unsigned long rv = strtoul(arg, &endptr, 0); |
3243 | if (strchr(arg, '-') || endptr == arg || *endptr) |
3244 | die("%s: argument must be a non-negative integer", option); |
3245 | return rv; |
3246 | } |
3247 | |
3248 | static void option_depth(const char *depth) |
3249 | { |
3250 | max_depth = ulong_arg("--depth", depth); |
3251 | if (max_depth > MAX_DEPTH((1<<13)-1)) |
3252 | die("--depth cannot exceed %u", MAX_DEPTH((1<<13)-1)); |
3253 | } |
3254 | |
3255 | static void option_active_branches(const char *branches) |
3256 | { |
3257 | max_active_branches = ulong_arg("--active-branches", branches); |
3258 | } |
3259 | |
3260 | static void option_export_marks(const char *marks) |
3261 | { |
3262 | export_marks_file = make_fast_import_path(marks); |
3263 | safe_create_leading_directories_const(export_marks_file); |
3264 | } |
3265 | |
3266 | static void option_cat_blob_fd(const char *fd) |
3267 | { |
3268 | unsigned long n = ulong_arg("--cat-blob-fd", fd); |
3269 | if (n > (unsigned long) INT_MAX2147483647) |
3270 | die("--cat-blob-fd cannot exceed %d", INT_MAX2147483647); |
3271 | cat_blob_fd = (int) n; |
3272 | } |
3273 | |
3274 | static void option_export_pack_edges(const char *edges) |
3275 | { |
3276 | if (pack_edges) |
3277 | fclose(pack_edges); |
3278 | pack_edges = fopen(edges, "a"); |
3279 | if (!pack_edges) |
3280 | die_errno("Cannot open '%s'", edges); |
3281 | } |
3282 | |
3283 | static int parse_one_option(const char *option) |
3284 | { |
3285 | if (skip_prefix(option, "max-pack-size=", &option)) { |
3286 | unsigned long v; |
3287 | if (!git_parse_ulong(option, &v)) |
3288 | return 0; |
3289 | if (v < 8192) { |
3290 | warning("max-pack-size is now in bytes, assuming --max-pack-size=%lum", v); |
3291 | v *= 1024 * 1024; |
3292 | } else if (v < 1024 * 1024) { |
3293 | warning("minimum max-pack-size is 1 MiB"); |
3294 | v = 1024 * 1024; |
3295 | } |
3296 | max_packsize = v; |
3297 | } else if (skip_prefix(option, "big-file-threshold=", &option)) { |
3298 | unsigned long v; |
3299 | if (!git_parse_ulong(option, &v)) |
3300 | return 0; |
3301 | big_file_threshold = v; |
3302 | } else if (skip_prefix(option, "depth=", &option)) { |
3303 | option_depth(option); |
3304 | } else if (skip_prefix(option, "active-branches=", &option)) { |
3305 | option_active_branches(option); |
3306 | } else if (skip_prefix(option, "export-pack-edges=", &option)) { |
3307 | option_export_pack_edges(option); |
3308 | } else if (starts_with(option, "quiet")) { |
3309 | show_stats = 0; |
3310 | } else if (starts_with(option, "stats")) { |
3311 | show_stats = 1; |
3312 | } else { |
3313 | return 0; |
3314 | } |
3315 | |
3316 | return 1; |
3317 | } |
3318 | |
3319 | static int parse_one_feature(const char *feature, int from_stream) |
3320 | { |
3321 | const char *arg; |
3322 | |
3323 | if (skip_prefix(feature, "date-format=", &arg)) { |
3324 | option_date_format(arg); |
3325 | } else if (skip_prefix(feature, "import-marks=", &arg)) { |
3326 | option_import_marks(arg, from_stream, 0); |
3327 | } else if (skip_prefix(feature, "import-marks-if-exists=", &arg)) { |
3328 | option_import_marks(arg, from_stream, 1); |
3329 | } else if (skip_prefix(feature, "export-marks=", &arg)) { |
3330 | option_export_marks(arg); |
3331 | } else if (!strcmp(feature, "get-mark")) { |
3332 | ; /* Don't die - this feature is supported */ |
3333 | } else if (!strcmp(feature, "cat-blob")) { |
3334 | ; /* Don't die - this feature is supported */ |
3335 | } else if (!strcmp(feature, "relative-marks")) { |
3336 | relative_marks_paths = 1; |
3337 | } else if (!strcmp(feature, "no-relative-marks")) { |
3338 | relative_marks_paths = 0; |
3339 | } else if (!strcmp(feature, "done")) { |
3340 | require_explicit_termination = 1; |
3341 | } else if (!strcmp(feature, "force")) { |
3342 | force_update = 1; |
3343 | } else if (!strcmp(feature, "notes") || !strcmp(feature, "ls")) { |
3344 | ; /* do nothing; we have the feature */ |
3345 | } else { |
3346 | return 0; |
3347 | } |
3348 | |
3349 | return 1; |
3350 | } |
3351 | |
3352 | static void parse_feature(const char *feature) |
3353 | { |
3354 | if (seen_data_command) |
3355 | die("Got feature command '%s' after data command", feature); |
3356 | |
3357 | if (parse_one_feature(feature, 1)) |
3358 | return; |
3359 | |
3360 | die("This version of fast-import does not support feature %s.", feature); |
3361 | } |
3362 | |
3363 | static void parse_option(const char *option) |
3364 | { |
3365 | if (seen_data_command) |
3366 | die("Got option command '%s' after data command", option); |
3367 | |
3368 | if (parse_one_option(option)) |
3369 | return; |
3370 | |
3371 | die("This version of fast-import does not support option: %s", option); |
3372 | } |
3373 | |
3374 | static void git_pack_config(void) |
3375 | { |
3376 | int indexversion_value; |
3377 | int limit; |
3378 | unsigned long packsizelimit_value; |
3379 | |
3380 | if (!git_config_get_ulong("pack.depth", &max_depth)) { |
3381 | if (max_depth > MAX_DEPTH((1<<13)-1)) |
3382 | max_depth = MAX_DEPTH((1<<13)-1); |
3383 | } |
3384 | if (!git_config_get_int("pack.indexversion", &indexversion_value)) { |
3385 | pack_idx_opts.version = indexversion_value; |
3386 | if (pack_idx_opts.version > 2) |
3387 | git_die_config("pack.indexversion", |
3388 | "bad pack.indexversion=%"PRIu32"u", pack_idx_opts.version); |
3389 | } |
3390 | if (!git_config_get_ulong("pack.packsizelimit", &packsizelimit_value)) |
3391 | max_packsize = packsizelimit_value; |
3392 | |
3393 | if (!git_config_get_int("fastimport.unpacklimit", &limit)) |
3394 | unpack_limit = limit; |
3395 | else if (!git_config_get_int("transfer.unpacklimit", &limit)) |
3396 | unpack_limit = limit; |
3397 | |
3398 | git_config(git_default_config, NULL((void*)0)); |
3399 | } |
3400 | |
3401 | static const char fast_import_usage[] = |
3402 | "git fast-import [--date-format=<f>] [--max-pack-size=<n>] [--big-file-threshold=<n>] [--depth=<n>] [--active-branches=<n>] [--export-marks=<marks.file>]"; |
3403 | |
3404 | static void parse_argv(void) |
3405 | { |
3406 | unsigned int i; |
3407 | |
3408 | for (i = 1; i < global_argc; i++) { |
3409 | const char *a = global_argv[i]; |
3410 | |
3411 | if (*a != '-' || !strcmp(a, "--")) |
3412 | break; |
3413 | |
3414 | if (!skip_prefix(a, "--", &a)) |
3415 | die("unknown option %s", a); |
3416 | |
3417 | if (parse_one_option(a)) |
3418 | continue; |
3419 | |
3420 | if (parse_one_feature(a, 0)) |
3421 | continue; |
3422 | |
3423 | if (skip_prefix(a, "cat-blob-fd=", &a)) { |
3424 | option_cat_blob_fd(a); |
3425 | continue; |
3426 | } |
3427 | |
3428 | die("unknown option --%s", a); |
3429 | } |
3430 | if (i != global_argc) |
3431 | usage(fast_import_usage); |
3432 | |
3433 | seen_data_command = 1; |
3434 | if (import_marks_file) |
3435 | read_marks(); |
3436 | } |
3437 | |
3438 | int cmd_main(int argc, const char **argv) |
3439 | { |
3440 | unsigned int i; |
3441 | |
3442 | if (argc == 2 && !strcmp(argv[1], "-h")) |
3443 | usage(fast_import_usage); |
3444 | |
3445 | setup_git_directory(); |
3446 | reset_pack_idx_option(&pack_idx_opts); |
3447 | git_pack_config(); |
3448 | |
3449 | alloc_objects(object_entry_alloc); |
3450 | strbuf_init(&command_buf, 0); |
3451 | atom_table = xcalloc(atom_table_sz, sizeof(struct atom_str*)); |
3452 | branch_table = xcalloc(branch_table_sz, sizeof(struct branch*)); |
3453 | avail_tree_table = xcalloc(avail_tree_table_sz, sizeof(struct avail_tree_content*)); |
3454 | marks = pool_calloc(1, sizeof(struct mark_set)); |
3455 | |
3456 | global_argc = argc; |
3457 | global_argv = argv; |
3458 | |
3459 | rc_free = pool_alloc(cmd_save * sizeof(*rc_free)); |
3460 | for (i = 0; i < (cmd_save - 1); i++) |
3461 | rc_free[i].next = &rc_free[i + 1]; |
3462 | rc_free[cmd_save - 1].next = NULL((void*)0); |
3463 | |
3464 | prepare_packed_git(); |
3465 | start_packfile(); |
3466 | set_die_routine(die_nicely); |
3467 | set_checkpoint_signal(); |
3468 | while (read_next_command() != EOF(-1)) { |
3469 | const char *v; |
3470 | if (!strcmp("blob", command_buf.buf)) |
3471 | parse_new_blob(); |
3472 | else if (skip_prefix(command_buf.buf, "ls ", &v)) |
3473 | parse_ls(v, NULL((void*)0)); |
3474 | else if (skip_prefix(command_buf.buf, "commit ", &v)) |
3475 | parse_new_commit(v); |
3476 | else if (skip_prefix(command_buf.buf, "tag ", &v)) |
3477 | parse_new_tag(v); |
3478 | else if (skip_prefix(command_buf.buf, "reset ", &v)) |
3479 | parse_reset_branch(v); |
3480 | else if (!strcmp("checkpoint", command_buf.buf)) |
3481 | parse_checkpoint(); |
3482 | else if (!strcmp("done", command_buf.buf)) |
3483 | break; |
3484 | else if (starts_with(command_buf.buf, "progress ")) |
3485 | parse_progress(); |
3486 | else if (skip_prefix(command_buf.buf, "feature ", &v)) |
3487 | parse_feature(v); |
3488 | else if (skip_prefix(command_buf.buf, "option git ", &v)) |
3489 | parse_option(v); |
3490 | else if (starts_with(command_buf.buf, "option ")) |
3491 | /* ignore non-git options*/; |
3492 | else |
3493 | die("Unsupported command: %s", command_buf.buf); |
3494 | |
3495 | if (checkpoint_requested) |
3496 | checkpoint(); |
3497 | } |
3498 | |
3499 | /* argv hasn't been parsed yet, do so */ |
3500 | if (!seen_data_command) |
3501 | parse_argv(); |
3502 | |
3503 | if (require_explicit_termination && feof(stdin__stdinp)) |
3504 | die("stream ends early"); |
3505 | |
3506 | end_packfile(); |
3507 | |
3508 | dump_branches(); |
3509 | dump_tags(); |
3510 | unkeep_all_packs(); |
3511 | dump_marks(); |
3512 | |
3513 | if (pack_edges) |
3514 | fclose(pack_edges); |
3515 | |
3516 | if (show_stats) { |
3517 | uintmax_t total_count = 0, duplicate_count = 0; |
3518 | for (i = 0; i < ARRAY_SIZE(object_count_by_type)(sizeof(object_count_by_type) / sizeof((object_count_by_type) [0]) + (sizeof(char [1 - 2*!(!__builtin_types_compatible_p(__typeof__ (object_count_by_type), __typeof__(&(object_count_by_type )[0])))]) - 1)); i++) |
3519 | total_count += object_count_by_type[i]; |
3520 | for (i = 0; i < ARRAY_SIZE(duplicate_count_by_type)(sizeof(duplicate_count_by_type) / sizeof((duplicate_count_by_type )[0]) + (sizeof(char [1 - 2*!(!__builtin_types_compatible_p(__typeof__ (duplicate_count_by_type), __typeof__(&(duplicate_count_by_type )[0])))]) - 1)); i++) |
3521 | duplicate_count += duplicate_count_by_type[i]; |
3522 | |
3523 | fprintf(stderr__stderrp, "%s statistics:\n", argv[0]); |
3524 | fprintf(stderr__stderrp, "---------------------------------------------------------------------\n"); |
3525 | fprintf(stderr__stderrp, "Alloc'd objects: %10" PRIuMAX"j" "u" "\n", alloc_count); |
3526 | fprintf(stderr__stderrp, "Total objects: %10" PRIuMAX"j" "u" " (%10" PRIuMAX"j" "u" " duplicates )\n", total_count, duplicate_count); |
3527 | fprintf(stderr__stderrp, " blobs : %10" PRIuMAX"j" "u" " (%10" PRIuMAX"j" "u" " duplicates %10" PRIuMAX"j" "u" " deltas of %10" PRIuMAX"j" "u"" attempts)\n", object_count_by_type[OBJ_BLOB], duplicate_count_by_type[OBJ_BLOB], delta_count_by_type[OBJ_BLOB], delta_count_attempts_by_type[OBJ_BLOB]); |
3528 | fprintf(stderr__stderrp, " trees : %10" PRIuMAX"j" "u" " (%10" PRIuMAX"j" "u" " duplicates %10" PRIuMAX"j" "u" " deltas of %10" PRIuMAX"j" "u"" attempts)\n", object_count_by_type[OBJ_TREE], duplicate_count_by_type[OBJ_TREE], delta_count_by_type[OBJ_TREE], delta_count_attempts_by_type[OBJ_TREE]); |
3529 | fprintf(stderr__stderrp, " commits: %10" PRIuMAX"j" "u" " (%10" PRIuMAX"j" "u" " duplicates %10" PRIuMAX"j" "u" " deltas of %10" PRIuMAX"j" "u"" attempts)\n", object_count_by_type[OBJ_COMMIT], duplicate_count_by_type[OBJ_COMMIT], delta_count_by_type[OBJ_COMMIT], delta_count_attempts_by_type[OBJ_COMMIT]); |
3530 | fprintf(stderr__stderrp, " tags : %10" PRIuMAX"j" "u" " (%10" PRIuMAX"j" "u" " duplicates %10" PRIuMAX"j" "u" " deltas of %10" PRIuMAX"j" "u"" attempts)\n", object_count_by_type[OBJ_TAG], duplicate_count_by_type[OBJ_TAG], delta_count_by_type[OBJ_TAG], delta_count_attempts_by_type[OBJ_TAG]); |
3531 | fprintf(stderr__stderrp, "Total branches: %10lu (%10lu loads )\n", branch_count, branch_load_count); |
3532 | fprintf(stderr__stderrp, " marks: %10" PRIuMAX"j" "u" " (%10" PRIuMAX"j" "u" " unique )\n", (((uintmax_t)1) << marks->shift) * 1024, marks_set_count); |
3533 | fprintf(stderr__stderrp, " atoms: %10u\n", atom_cnt); |
3534 | fprintf(stderr__stderrp, "Memory total: %10" PRIuMAX"j" "u" " KiB\n", (total_allocd + alloc_count*sizeof(struct object_entry))/1024); |
3535 | fprintf(stderr__stderrp, " pools: %10lu KiB\n", (unsigned long)(total_allocd/1024)); |
3536 | fprintf(stderr__stderrp, " objects: %10" PRIuMAX"j" "u" " KiB\n", (alloc_count*sizeof(struct object_entry))/1024); |
3537 | fprintf(stderr__stderrp, "---------------------------------------------------------------------\n"); |
3538 | pack_report(); |
3539 | fprintf(stderr__stderrp, "---------------------------------------------------------------------\n"); |
3540 | fprintf(stderr__stderrp, "\n"); |
3541 | } |
3542 | |
3543 | return failure ? 1 : 0; |
3544 | } |