]>
Commit | Line | Data |
---|---|---|
463acbe1 | 1 | /* |
98e1a418 | 2 | (See Documentation/git-fast-import.txt for maintained documentation.) |
463acbe1 SP |
3 | Format of STDIN stream: |
4 | ||
5 | stream ::= cmd*; | |
6 | ||
7 | cmd ::= new_blob | |
c44cdc7e | 8 | | new_commit |
463acbe1 | 9 | | new_tag |
5fced8dc | 10 | | reset_branch |
8c1f22da | 11 | | checkpoint |
ac053c02 | 12 | | progress |
463acbe1 SP |
13 | ; |
14 | ||
c44cdc7e | 15 | new_blob ::= 'blob' lf |
c905e090 | 16 | mark? |
c44cdc7e SP |
17 | file_content; |
18 | file_content ::= data; | |
463acbe1 | 19 | |
c44cdc7e | 20 | new_commit ::= 'commit' sp ref_str lf |
00e2b884 | 21 | mark? |
74fbd118 SP |
22 | ('author' (sp name)? sp '<' email '>' sp when lf)? |
23 | 'committer' (sp name)? sp '<' email '>' sp when lf | |
00e2b884 | 24 | commit_msg |
a8dd2e7d JH |
25 | ('from' sp committish lf)? |
26 | ('merge' sp committish lf)* | |
c44cdc7e | 27 | file_change* |
1fdb649c | 28 | lf?; |
c44cdc7e | 29 | commit_msg ::= data; |
463acbe1 | 30 | |
b6f3481b SP |
31 | file_change ::= file_clr |
32 | | file_del | |
33 | | file_rnm | |
34 | | file_cpy | |
35 | | file_obm | |
36 | | file_inm; | |
825769a8 | 37 | file_clr ::= 'deleteall' lf; |
b715cfbb | 38 | file_del ::= 'D' sp path_str lf; |
f39a946a | 39 | file_rnm ::= 'R' sp path_str sp path_str lf; |
b6f3481b | 40 | file_cpy ::= 'C' sp path_str sp path_str lf; |
b715cfbb SP |
41 | file_obm ::= 'M' sp mode sp (hexsha1 | idnum) sp path_str lf; |
42 | file_inm ::= 'M' sp mode sp 'inline' sp path_str lf | |
43 | data; | |
a8dd2e7d JH |
44 | note_obm ::= 'N' sp (hexsha1 | idnum) sp committish lf; |
45 | note_inm ::= 'N' sp 'inline' sp committish lf | |
46 | data; | |
c44cdc7e SP |
47 | |
48 | new_tag ::= 'tag' sp tag_str lf | |
a8dd2e7d | 49 | 'from' sp committish lf |
74fbd118 | 50 | ('tagger' (sp name)? sp '<' email '>' sp when lf)? |
c44cdc7e SP |
51 | tag_msg; |
52 | tag_msg ::= data; | |
53 | ||
9938ffc5 | 54 | reset_branch ::= 'reset' sp ref_str lf |
a8dd2e7d | 55 | ('from' sp committish lf)? |
1fdb649c | 56 | lf?; |
5fced8dc | 57 | |
7bfe6e26 | 58 | checkpoint ::= 'checkpoint' lf |
1fdb649c | 59 | lf?; |
7bfe6e26 | 60 | |
ac053c02 SP |
61 | progress ::= 'progress' sp not_lf* lf |
62 | lf?; | |
63 | ||
c44cdc7e SP |
64 | # note: the first idnum in a stream should be 1 and subsequent |
65 | # idnums should not have gaps between values as this will cause | |
66 | # the stream parser to reserve space for the gapped values. An | |
c905e090 | 67 | # idnum can be updated in the future to a new object by issuing |
c44cdc7e | 68 | # a new mark directive with the old idnum. |
c905e090 | 69 | # |
c44cdc7e | 70 | mark ::= 'mark' sp idnum lf; |
3b4dce02 | 71 | data ::= (delimited_data | exact_data) |
2c570cde | 72 | lf?; |
3b4dce02 SP |
73 | |
74 | # note: delim may be any string but must not contain lf. | |
75 | # data_line may contain any data but must not be exactly | |
76 | # delim. | |
77 | delimited_data ::= 'data' sp '<<' delim lf | |
78 | (data_line lf)* | |
c905e090 | 79 | delim lf; |
c44cdc7e SP |
80 | |
81 | # note: declen indicates the length of binary_data in bytes. | |
3ea3c215 | 82 | # declen does not include the lf preceding the binary data. |
c44cdc7e | 83 | # |
3b4dce02 SP |
84 | exact_data ::= 'data' sp declen lf |
85 | binary_data; | |
c44cdc7e SP |
86 | |
87 | # note: quoted strings are C-style quoting supporting \c for | |
88 | # common escapes of 'c' (e..g \n, \t, \\, \") or \nnn where nnn | |
c905e090 | 89 | # is the signed byte value in octal. Note that the only |
c44cdc7e SP |
90 | # characters which must actually be escaped to protect the |
91 | # stream formatting is: \, " and LF. Otherwise these values | |
c905e090 | 92 | # are UTF8. |
c44cdc7e | 93 | # |
a8dd2e7d | 94 | committish ::= (ref_str | hexsha1 | sha1exp_str | idnum); |
6c3aac1c SP |
95 | ref_str ::= ref; |
96 | sha1exp_str ::= sha1exp; | |
97 | tag_str ::= tag; | |
c44cdc7e | 98 | path_str ::= path | '"' quoted(path) '"' ; |
b715cfbb SP |
99 | mode ::= '100644' | '644' |
100 | | '100755' | '755' | |
9981b6d9 | 101 | | '120000' |
b715cfbb | 102 | ; |
c44cdc7e SP |
103 | |
104 | declen ::= # unsigned 32 bit value, ascii base10 notation; | |
2104838b | 105 | bigint ::= # unsigned integer value, ascii base10 notation; |
463acbe1 | 106 | binary_data ::= # file content, not interpreted; |
c44cdc7e | 107 | |
63e0c8b3 SP |
108 | when ::= raw_when | rfc2822_when; |
109 | raw_when ::= ts sp tz; | |
110 | rfc2822_when ::= # Valid RFC 2822 date and time; | |
111 | ||
463acbe1 SP |
112 | sp ::= # ASCII space character; |
113 | lf ::= # ASCII newline (LF) character; | |
c44cdc7e SP |
114 | |
115 | # note: a colon (':') must precede the numerical value assigned to | |
c905e090 | 116 | # an idnum. This is to distinguish it from a ref or tag name as |
c44cdc7e | 117 | # GIT does not permit ':' in ref or tag strings. |
c905e090 | 118 | # |
2104838b | 119 | idnum ::= ':' bigint; |
c44cdc7e SP |
120 | path ::= # GIT style file path, e.g. "a/b/c"; |
121 | ref ::= # GIT ref name, e.g. "refs/heads/MOZ_GECKO_EXPERIMENT"; | |
122 | tag ::= # GIT tag name, e.g. "FIREFOX_1_5"; | |
463acbe1 SP |
123 | sha1exp ::= # Any valid GIT SHA1 expression; |
124 | hexsha1 ::= # SHA1 in hexadecimal format; | |
c44cdc7e SP |
125 | |
126 | # note: name and email are UTF8 strings, however name must not | |
c905e090 | 127 | # contain '<' or lf and email must not contain any of the |
c44cdc7e | 128 | # following: '<', '>', lf. |
c905e090 | 129 | # |
c44cdc7e | 130 | name ::= # valid GIT author/committer name; |
463acbe1 | 131 | email ::= # valid GIT author/committer email; |
c44cdc7e SP |
132 | ts ::= # time since the epoch in seconds, ascii base10 notation; |
133 | tz ::= # GIT style timezone; | |
401d53fa SP |
134 | |
135 | # note: comments may appear anywhere in the input, except | |
136 | # within a data command. Any form of the data command | |
137 | # always escapes the related input from comment processing. | |
138 | # | |
139 | # In case it is not clear, the '#' that starts the comment | |
b18cc5a3 | 140 | # must be the first character on that line (an lf |
3ea3c215 | 141 | # preceded it). |
401d53fa SP |
142 | # |
143 | comment ::= '#' not_lf* lf; | |
144 | not_lf ::= # Any byte that is not ASCII newline (LF); | |
463acbe1 SP |
145 | */ |
146 | ||
db5e523f SP |
147 | #include "builtin.h" |
148 | #include "cache.h" | |
149 | #include "object.h" | |
150 | #include "blob.h" | |
463acbe1 | 151 | #include "tree.h" |
7073e69e | 152 | #include "commit.h" |
db5e523f SP |
153 | #include "delta.h" |
154 | #include "pack.h" | |
463acbe1 | 155 | #include "refs.h" |
db5e523f | 156 | #include "csum-file.h" |
c44cdc7e | 157 | #include "quote.h" |
2fb3f6db | 158 | #include "exec_cmd.h" |
db5e523f | 159 | |
69e74e74 SP |
160 | #define PACK_ID_BITS 16 |
161 | #define MAX_PACK_ID ((1<<PACK_ID_BITS)-1) | |
436e7a74 SP |
162 | #define DEPTH_BITS 13 |
163 | #define MAX_DEPTH ((1<<DEPTH_BITS)-1) | |
69e74e74 | 164 | |
27d6d290 SP |
165 | struct object_entry |
166 | { | |
3fc366bd | 167 | struct pack_idx_entry idx; |
27d6d290 | 168 | struct object_entry *next; |
436e7a74 SP |
169 | uint32_t type : TYPE_BITS, |
170 | pack_id : PACK_ID_BITS, | |
171 | depth : DEPTH_BITS; | |
27d6d290 SP |
172 | }; |
173 | ||
463acbe1 | 174 | struct object_entry_pool |
27d6d290 | 175 | { |
463acbe1 | 176 | struct object_entry_pool *next_pool; |
27d6d290 SP |
177 | struct object_entry *next_free; |
178 | struct object_entry *end; | |
ac47a738 | 179 | struct object_entry entries[FLEX_ARRAY]; /* more */ |
27d6d290 SP |
180 | }; |
181 | ||
d8397168 SP |
182 | struct mark_set |
183 | { | |
d8397168 SP |
184 | union { |
185 | struct object_entry *marked[1024]; | |
186 | struct mark_set *sets[1024]; | |
187 | } data; | |
6f64f6d9 | 188 | unsigned int shift; |
d8397168 SP |
189 | }; |
190 | ||
ac47a738 SP |
191 | struct last_object |
192 | { | |
05576569 | 193 | struct strbuf data; |
10831c55 | 194 | uint32_t offset; |
6bb5b329 | 195 | unsigned int depth; |
05576569 | 196 | unsigned no_swap : 1; |
ac47a738 SP |
197 | }; |
198 | ||
463acbe1 SP |
199 | struct mem_pool |
200 | { | |
201 | struct mem_pool *next_pool; | |
202 | char *next_free; | |
203 | char *end; | |
69ae5175 | 204 | uintmax_t space[FLEX_ARRAY]; /* more */ |
463acbe1 SP |
205 | }; |
206 | ||
207 | struct atom_str | |
208 | { | |
209 | struct atom_str *next_atom; | |
10831c55 | 210 | unsigned short str_len; |
463acbe1 SP |
211 | char str_dat[FLEX_ARRAY]; /* more */ |
212 | }; | |
213 | ||
214 | struct tree_content; | |
6bb5b329 SP |
215 | struct tree_entry |
216 | { | |
463acbe1 | 217 | struct tree_content *tree; |
4b25d091 | 218 | struct atom_str *name; |
4cabf858 SP |
219 | struct tree_entry_ms |
220 | { | |
10831c55 | 221 | uint16_t mode; |
4cabf858 SP |
222 | unsigned char sha1[20]; |
223 | } versions[2]; | |
6bb5b329 SP |
224 | }; |
225 | ||
463acbe1 | 226 | struct tree_content |
6bb5b329 | 227 | { |
463acbe1 SP |
228 | unsigned int entry_capacity; /* must match avail_tree_content */ |
229 | unsigned int entry_count; | |
4cabf858 | 230 | unsigned int delta_depth; |
463acbe1 SP |
231 | struct tree_entry *entries[FLEX_ARRAY]; /* more */ |
232 | }; | |
233 | ||
234 | struct avail_tree_content | |
235 | { | |
236 | unsigned int entry_capacity; /* must match tree_content */ | |
237 | struct avail_tree_content *next_avail; | |
6bb5b329 SP |
238 | }; |
239 | ||
240 | struct branch | |
241 | { | |
463acbe1 SP |
242 | struct branch *table_next_branch; |
243 | struct branch *active_next_branch; | |
6bb5b329 | 244 | const char *name; |
463acbe1 | 245 | struct tree_entry branch_tree; |
69e74e74 | 246 | uintmax_t last_commit; |
2a113aee | 247 | uintmax_t num_notes; |
734c91f9 SP |
248 | unsigned active : 1; |
249 | unsigned pack_id : PACK_ID_BITS; | |
463acbe1 | 250 | unsigned char sha1[20]; |
6bb5b329 SP |
251 | }; |
252 | ||
72303d44 SP |
253 | struct tag |
254 | { | |
255 | struct tag *next_tag; | |
256 | const char *name; | |
2369ed79 | 257 | unsigned int pack_id; |
72303d44 SP |
258 | unsigned char sha1[20]; |
259 | }; | |
260 | ||
62b6f483 SP |
261 | struct hash_list |
262 | { | |
263 | struct hash_list *next; | |
264 | unsigned char sha1[20]; | |
265 | }; | |
463acbe1 | 266 | |
63e0c8b3 SP |
267 | typedef enum { |
268 | WHENSPEC_RAW = 1, | |
269 | WHENSPEC_RFC2822, | |
270 | WHENSPEC_NOW, | |
271 | } whenspec_type; | |
272 | ||
904b1941 SP |
273 | struct recent_command |
274 | { | |
275 | struct recent_command *prev; | |
276 | struct recent_command *next; | |
277 | char *buf; | |
278 | }; | |
279 | ||
0ea9f045 | 280 | /* Configured limits on output */ |
d5c57b28 | 281 | static unsigned long max_depth = 10; |
6777a59f | 282 | static off_t max_packsize = (1LL << 32) - 1; |
5eef828b | 283 | static uintmax_t big_file_threshold = 512 * 1024 * 1024; |
7073e69e | 284 | static int force_update; |
bb23fdfa SP |
285 | static int pack_compression_level = Z_DEFAULT_COMPRESSION; |
286 | static int pack_compression_seen; | |
0ea9f045 SP |
287 | |
288 | /* Stats and misc. counters */ | |
289 | static uintmax_t alloc_count; | |
0ea9f045 SP |
290 | static uintmax_t marks_set_count; |
291 | static uintmax_t object_count_by_type[1 << TYPE_BITS]; | |
292 | static uintmax_t duplicate_count_by_type[1 << TYPE_BITS]; | |
293 | static uintmax_t delta_count_by_type[1 << TYPE_BITS]; | |
a7ddc487 | 294 | static unsigned long object_count; |
6bb5b329 | 295 | static unsigned long branch_count; |
d6c7eb2c | 296 | static unsigned long branch_load_count; |
7073e69e | 297 | static int failure; |
bdf1c06d | 298 | static FILE *pack_edges; |
0f6927c2 | 299 | static unsigned int show_stats = 1; |
9c8398f0 SR |
300 | static int global_argc; |
301 | static const char **global_argv; | |
ac47a738 | 302 | |
463acbe1 SP |
303 | /* Memory pools */ |
304 | static size_t mem_pool_alloc = 2*1024*1024 - sizeof(struct mem_pool); | |
305 | static size_t total_allocd; | |
306 | static struct mem_pool *mem_pool; | |
307 | ||
c44cdc7e | 308 | /* Atom management */ |
463acbe1 SP |
309 | static unsigned int atom_table_sz = 4451; |
310 | static unsigned int atom_cnt; | |
311 | static struct atom_str **atom_table; | |
312 | ||
313 | /* The .pack file being generated */ | |
7bfe6e26 | 314 | static unsigned int pack_id; |
d489bc14 | 315 | static struct packed_git *pack_data; |
7bfe6e26 | 316 | static struct packed_git **all_packs; |
41e5257f | 317 | static unsigned long pack_size; |
ac47a738 SP |
318 | |
319 | /* Table of objects we've written. */ | |
4cabf858 | 320 | static unsigned int object_entry_alloc = 5000; |
463acbe1 SP |
321 | static struct object_entry_pool *blocks; |
322 | static struct object_entry *object_table[1 << 16]; | |
d8397168 | 323 | static struct mark_set *marks; |
07cd9328 SR |
324 | static const char *export_marks_file; |
325 | static const char *import_marks_file; | |
081751c8 | 326 | static int import_marks_file_from_stream; |
bc3c79ae | 327 | static int relative_marks_paths; |
ac47a738 SP |
328 | |
329 | /* Our last blob */ | |
05576569 | 330 | static struct last_object last_blob = { STRBUF_INIT, 0, 0, 0 }; |
463acbe1 SP |
331 | |
332 | /* Tree management */ | |
333 | static unsigned int tree_entry_alloc = 1000; | |
334 | static void *avail_tree_entry; | |
335 | static unsigned int avail_tree_table_sz = 100; | |
336 | static struct avail_tree_content **avail_tree_table; | |
eec813cf PH |
337 | static struct strbuf old_tree = STRBUF_INIT; |
338 | static struct strbuf new_tree = STRBUF_INIT; | |
8bcce301 | 339 | |
6bb5b329 | 340 | /* Branch data */ |
d5c57b28 SP |
341 | static unsigned long max_active_branches = 5; |
342 | static unsigned long cur_active_branches; | |
343 | static unsigned long branch_table_sz = 1039; | |
463acbe1 SP |
344 | static struct branch **branch_table; |
345 | static struct branch *active_branches; | |
346 | ||
72303d44 SP |
347 | /* Tag data */ |
348 | static struct tag *first_tag; | |
349 | static struct tag *last_tag; | |
350 | ||
c44cdc7e | 351 | /* Input stream parsing */ |
63e0c8b3 | 352 | static whenspec_type whenspec = WHENSPEC_RAW; |
4a241d79 | 353 | static struct strbuf command_buf = STRBUF_INIT; |
1fdb649c | 354 | static int unread_command_buf; |
904b1941 SP |
355 | static struct recent_command cmd_hist = {&cmd_hist, &cmd_hist, NULL}; |
356 | static struct recent_command *cmd_tail = &cmd_hist; | |
357 | static struct recent_command *rc_free; | |
358 | static unsigned int cmd_save = 100; | |
0ea9f045 | 359 | static uintmax_t next_mark; |
eec813cf | 360 | static struct strbuf new_data = STRBUF_INIT; |
f963bd5d | 361 | static int seen_data_command; |
c44cdc7e | 362 | |
9c8398f0 | 363 | static void parse_argv(void); |
c44cdc7e | 364 | |
8acb3297 SP |
365 | static void write_branch_report(FILE *rpt, struct branch *b) |
366 | { | |
367 | fprintf(rpt, "%s:\n", b->name); | |
368 | ||
369 | fprintf(rpt, " status :"); | |
370 | if (b->active) | |
371 | fputs(" active", rpt); | |
372 | if (b->branch_tree.tree) | |
373 | fputs(" loaded", rpt); | |
374 | if (is_null_sha1(b->branch_tree.versions[1].sha1)) | |
375 | fputs(" dirty", rpt); | |
376 | fputc('\n', rpt); | |
377 | ||
378 | fprintf(rpt, " tip commit : %s\n", sha1_to_hex(b->sha1)); | |
379 | fprintf(rpt, " old tree : %s\n", sha1_to_hex(b->branch_tree.versions[0].sha1)); | |
380 | fprintf(rpt, " cur tree : %s\n", sha1_to_hex(b->branch_tree.versions[1].sha1)); | |
381 | fprintf(rpt, " commit clock: %" PRIuMAX "\n", b->last_commit); | |
382 | ||
383 | fputs(" last pack : ", rpt); | |
384 | if (b->pack_id < MAX_PACK_ID) | |
385 | fprintf(rpt, "%u", b->pack_id); | |
386 | fputc('\n', rpt); | |
387 | ||
388 | fputc('\n', rpt); | |
389 | } | |
390 | ||
3b08e5b8 SP |
391 | static void dump_marks_helper(FILE *, uintmax_t, struct mark_set *); |
392 | ||
4bf53833 | 393 | static void write_crash_report(const char *err) |
8acb3297 | 394 | { |
85e72830 | 395 | char *loc = git_path("fast_import_crash_%"PRIuMAX, (uintmax_t) getpid()); |
8acb3297 SP |
396 | FILE *rpt = fopen(loc, "w"); |
397 | struct branch *b; | |
398 | unsigned long lu; | |
904b1941 | 399 | struct recent_command *rc; |
8acb3297 SP |
400 | |
401 | if (!rpt) { | |
402 | error("can't write crash report %s: %s", loc, strerror(errno)); | |
403 | return; | |
404 | } | |
405 | ||
406 | fprintf(stderr, "fast-import: dumping crash report to %s\n", loc); | |
407 | ||
408 | fprintf(rpt, "fast-import crash report:\n"); | |
85e72830 DSP |
409 | fprintf(rpt, " fast-import process: %"PRIuMAX"\n", (uintmax_t) getpid()); |
410 | fprintf(rpt, " parent process : %"PRIuMAX"\n", (uintmax_t) getppid()); | |
8acb3297 SP |
411 | fprintf(rpt, " at %s\n", show_date(time(NULL), 0, DATE_LOCAL)); |
412 | fputc('\n', rpt); | |
413 | ||
414 | fputs("fatal: ", rpt); | |
4bf53833 | 415 | fputs(err, rpt); |
8acb3297 SP |
416 | fputc('\n', rpt); |
417 | ||
904b1941 SP |
418 | fputc('\n', rpt); |
419 | fputs("Most Recent Commands Before Crash\n", rpt); | |
420 | fputs("---------------------------------\n", rpt); | |
421 | for (rc = cmd_hist.next; rc != &cmd_hist; rc = rc->next) { | |
422 | if (rc->next == &cmd_hist) | |
423 | fputs("* ", rpt); | |
424 | else | |
425 | fputs(" ", rpt); | |
426 | fputs(rc->buf, rpt); | |
427 | fputc('\n', rpt); | |
428 | } | |
429 | ||
8acb3297 SP |
430 | fputc('\n', rpt); |
431 | fputs("Active Branch LRU\n", rpt); | |
432 | fputs("-----------------\n", rpt); | |
433 | fprintf(rpt, " active_branches = %lu cur, %lu max\n", | |
434 | cur_active_branches, | |
435 | max_active_branches); | |
436 | fputc('\n', rpt); | |
437 | fputs(" pos clock name\n", rpt); | |
438 | fputs(" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n", rpt); | |
439 | for (b = active_branches, lu = 0; b; b = b->active_next_branch) | |
440 | fprintf(rpt, " %2lu) %6" PRIuMAX" %s\n", | |
441 | ++lu, b->last_commit, b->name); | |
442 | ||
443 | fputc('\n', rpt); | |
444 | fputs("Inactive Branches\n", rpt); | |
445 | fputs("-----------------\n", rpt); | |
446 | for (lu = 0; lu < branch_table_sz; lu++) { | |
447 | for (b = branch_table[lu]; b; b = b->table_next_branch) | |
448 | write_branch_report(rpt, b); | |
449 | } | |
450 | ||
fbc63ea6 SP |
451 | if (first_tag) { |
452 | struct tag *tg; | |
453 | fputc('\n', rpt); | |
454 | fputs("Annotated Tags\n", rpt); | |
455 | fputs("--------------\n", rpt); | |
456 | for (tg = first_tag; tg; tg = tg->next_tag) { | |
457 | fputs(sha1_to_hex(tg->sha1), rpt); | |
458 | fputc(' ', rpt); | |
459 | fputs(tg->name, rpt); | |
460 | fputc('\n', rpt); | |
461 | } | |
462 | } | |
463 | ||
3b08e5b8 SP |
464 | fputc('\n', rpt); |
465 | fputs("Marks\n", rpt); | |
466 | fputs("-----\n", rpt); | |
07cd9328 SR |
467 | if (export_marks_file) |
468 | fprintf(rpt, " exported to %s\n", export_marks_file); | |
3b08e5b8 SP |
469 | else |
470 | dump_marks_helper(rpt, 0, marks); | |
471 | ||
8acb3297 SP |
472 | fputc('\n', rpt); |
473 | fputs("-------------------\n", rpt); | |
474 | fputs("END OF CRASH REPORT\n", rpt); | |
475 | fclose(rpt); | |
476 | } | |
477 | ||
118805b9 SP |
478 | static void end_packfile(void); |
479 | static void unkeep_all_packs(void); | |
480 | static void dump_marks(void); | |
481 | ||
8acb3297 SP |
482 | static NORETURN void die_nicely(const char *err, va_list params) |
483 | { | |
484 | static int zombie; | |
4bf53833 | 485 | char message[2 * PATH_MAX]; |
8acb3297 | 486 | |
4bf53833 | 487 | vsnprintf(message, sizeof(message), err, params); |
8acb3297 | 488 | fputs("fatal: ", stderr); |
4bf53833 | 489 | fputs(message, stderr); |
8acb3297 SP |
490 | fputc('\n', stderr); |
491 | ||
492 | if (!zombie) { | |
493 | zombie = 1; | |
4bf53833 | 494 | write_crash_report(message); |
118805b9 SP |
495 | end_packfile(); |
496 | unkeep_all_packs(); | |
497 | dump_marks(); | |
8acb3297 | 498 | } |
8acb3297 SP |
499 | exit(128); |
500 | } | |
6bb5b329 | 501 | |
03842d8e | 502 | static void alloc_objects(unsigned int cnt) |
8bcce301 | 503 | { |
463acbe1 | 504 | struct object_entry_pool *b; |
27d6d290 | 505 | |
463acbe1 | 506 | b = xmalloc(sizeof(struct object_entry_pool) |
27d6d290 | 507 | + cnt * sizeof(struct object_entry)); |
463acbe1 | 508 | b->next_pool = blocks; |
27d6d290 SP |
509 | b->next_free = b->entries; |
510 | b->end = b->entries + cnt; | |
511 | blocks = b; | |
512 | alloc_count += cnt; | |
513 | } | |
8bcce301 | 514 | |
e5b1444b | 515 | static struct object_entry *new_object(unsigned char *sha1) |
8bcce301 | 516 | { |
27d6d290 | 517 | struct object_entry *e; |
8bcce301 | 518 | |
27d6d290 | 519 | if (blocks->next_free == blocks->end) |
463acbe1 | 520 | alloc_objects(object_entry_alloc); |
8bcce301 | 521 | |
27d6d290 | 522 | e = blocks->next_free++; |
3fc366bd | 523 | hashcpy(e->idx.sha1, sha1); |
27d6d290 | 524 | return e; |
8bcce301 SP |
525 | } |
526 | ||
e5b1444b | 527 | static struct object_entry *find_object(unsigned char *sha1) |
463acbe1 SP |
528 | { |
529 | unsigned int h = sha1[0] << 8 | sha1[1]; | |
530 | struct object_entry *e; | |
531 | for (e = object_table[h]; e; e = e->next) | |
3fc366bd | 532 | if (!hashcmp(sha1, e->idx.sha1)) |
463acbe1 SP |
533 | return e; |
534 | return NULL; | |
535 | } | |
536 | ||
e5b1444b | 537 | static struct object_entry *insert_object(unsigned char *sha1) |
8bcce301 SP |
538 | { |
539 | unsigned int h = sha1[0] << 8 | sha1[1]; | |
27d6d290 | 540 | struct object_entry *e = object_table[h]; |
463acbe1 | 541 | struct object_entry *p = NULL; |
8bcce301 SP |
542 | |
543 | while (e) { | |
3fc366bd | 544 | if (!hashcmp(sha1, e->idx.sha1)) |
8bcce301 SP |
545 | return e; |
546 | p = e; | |
547 | e = e->next; | |
548 | } | |
549 | ||
550 | e = new_object(sha1); | |
463acbe1 | 551 | e->next = NULL; |
3fc366bd | 552 | e->idx.offset = 0; |
8bcce301 SP |
553 | if (p) |
554 | p->next = e; | |
555 | else | |
27d6d290 | 556 | object_table[h] = e; |
8bcce301 SP |
557 | return e; |
558 | } | |
db5e523f | 559 | |
463acbe1 SP |
560 | static unsigned int hc_str(const char *s, size_t len) |
561 | { | |
562 | unsigned int r = 0; | |
563 | while (len-- > 0) | |
564 | r = r * 31 + *s++; | |
565 | return r; | |
566 | } | |
567 | ||
e5b1444b | 568 | static void *pool_alloc(size_t len) |
463acbe1 SP |
569 | { |
570 | struct mem_pool *p; | |
571 | void *r; | |
572 | ||
2fad5329 YT |
573 | /* round up to a 'uintmax_t' alignment */ |
574 | if (len & (sizeof(uintmax_t) - 1)) | |
575 | len += sizeof(uintmax_t) - (len & (sizeof(uintmax_t) - 1)); | |
576 | ||
463acbe1 SP |
577 | for (p = mem_pool; p; p = p->next_pool) |
578 | if ((p->end - p->next_free >= len)) | |
579 | break; | |
580 | ||
581 | if (!p) { | |
582 | if (len >= (mem_pool_alloc/2)) { | |
583 | total_allocd += len; | |
584 | return xmalloc(len); | |
585 | } | |
586 | total_allocd += sizeof(struct mem_pool) + mem_pool_alloc; | |
587 | p = xmalloc(sizeof(struct mem_pool) + mem_pool_alloc); | |
588 | p->next_pool = mem_pool; | |
69ae5175 | 589 | p->next_free = (char *) p->space; |
463acbe1 SP |
590 | p->end = p->next_free + mem_pool_alloc; |
591 | mem_pool = p; | |
592 | } | |
593 | ||
594 | r = p->next_free; | |
595 | p->next_free += len; | |
596 | return r; | |
597 | } | |
598 | ||
e5b1444b | 599 | static void *pool_calloc(size_t count, size_t size) |
463acbe1 SP |
600 | { |
601 | size_t len = count * size; | |
602 | void *r = pool_alloc(len); | |
603 | memset(r, 0, len); | |
604 | return r; | |
605 | } | |
606 | ||
e5b1444b | 607 | static char *pool_strdup(const char *s) |
463acbe1 SP |
608 | { |
609 | char *r = pool_alloc(strlen(s) + 1); | |
610 | strcpy(r, s); | |
611 | return r; | |
612 | } | |
613 | ||
0ea9f045 | 614 | static void insert_mark(uintmax_t idnum, struct object_entry *oe) |
d8397168 SP |
615 | { |
616 | struct mark_set *s = marks; | |
617 | while ((idnum >> s->shift) >= 1024) { | |
618 | s = pool_calloc(1, sizeof(struct mark_set)); | |
619 | s->shift = marks->shift + 10; | |
620 | s->data.sets[0] = marks; | |
621 | marks = s; | |
622 | } | |
623 | while (s->shift) { | |
0ea9f045 | 624 | uintmax_t i = idnum >> s->shift; |
d8397168 SP |
625 | idnum -= i << s->shift; |
626 | if (!s->data.sets[i]) { | |
627 | s->data.sets[i] = pool_calloc(1, sizeof(struct mark_set)); | |
628 | s->data.sets[i]->shift = s->shift - 10; | |
629 | } | |
630 | s = s->data.sets[i]; | |
631 | } | |
632 | if (!s->data.marked[idnum]) | |
633 | marks_set_count++; | |
634 | s->data.marked[idnum] = oe; | |
635 | } | |
636 | ||
e5b1444b | 637 | static struct object_entry *find_mark(uintmax_t idnum) |
d8397168 | 638 | { |
0ea9f045 | 639 | uintmax_t orig_idnum = idnum; |
d8397168 SP |
640 | struct mark_set *s = marks; |
641 | struct object_entry *oe = NULL; | |
642 | if ((idnum >> s->shift) < 1024) { | |
643 | while (s && s->shift) { | |
0ea9f045 | 644 | uintmax_t i = idnum >> s->shift; |
d8397168 SP |
645 | idnum -= i << s->shift; |
646 | s = s->data.sets[i]; | |
647 | } | |
648 | if (s) | |
649 | oe = s->data.marked[idnum]; | |
650 | } | |
651 | if (!oe) | |
3efb1f34 | 652 | die("mark :%" PRIuMAX " not declared", orig_idnum); |
d8397168 SP |
653 | return oe; |
654 | } | |
655 | ||
e5b1444b | 656 | static struct atom_str *to_atom(const char *s, unsigned short len) |
463acbe1 SP |
657 | { |
658 | unsigned int hc = hc_str(s, len) % atom_table_sz; | |
659 | struct atom_str *c; | |
660 | ||
661 | for (c = atom_table[hc]; c; c = c->next_atom) | |
662 | if (c->str_len == len && !strncmp(s, c->str_dat, len)) | |
663 | return c; | |
664 | ||
665 | c = pool_alloc(sizeof(struct atom_str) + len + 1); | |
666 | c->str_len = len; | |
667 | strncpy(c->str_dat, s, len); | |
668 | c->str_dat[len] = 0; | |
669 | c->next_atom = atom_table[hc]; | |
670 | atom_table[hc] = c; | |
671 | atom_cnt++; | |
672 | return c; | |
673 | } | |
674 | ||
e5b1444b | 675 | static struct branch *lookup_branch(const char *name) |
463acbe1 SP |
676 | { |
677 | unsigned int hc = hc_str(name, strlen(name)) % branch_table_sz; | |
678 | struct branch *b; | |
679 | ||
680 | for (b = branch_table[hc]; b; b = b->table_next_branch) | |
681 | if (!strcmp(name, b->name)) | |
682 | return b; | |
683 | return NULL; | |
684 | } | |
685 | ||
e5b1444b | 686 | static struct branch *new_branch(const char *name) |
463acbe1 SP |
687 | { |
688 | unsigned int hc = hc_str(name, strlen(name)) % branch_table_sz; | |
4b25d091 | 689 | struct branch *b = lookup_branch(name); |
463acbe1 SP |
690 | |
691 | if (b) | |
692 | die("Invalid attempt to create duplicate branch: %s", name); | |
ea08a6fd | 693 | switch (check_ref_format(name)) { |
257f3020 JH |
694 | case 0: break; /* its valid */ |
695 | case CHECK_REF_FORMAT_ONELEVEL: | |
696 | break; /* valid, but too few '/', allow anyway */ | |
ea08a6fd | 697 | default: |
c44cdc7e | 698 | die("Branch name doesn't conform to GIT standards: %s", name); |
ea08a6fd | 699 | } |
463acbe1 SP |
700 | |
701 | b = pool_calloc(1, sizeof(struct branch)); | |
702 | b->name = pool_strdup(name); | |
703 | b->table_next_branch = branch_table[hc]; | |
8a8c55ea SP |
704 | b->branch_tree.versions[0].mode = S_IFDIR; |
705 | b->branch_tree.versions[1].mode = S_IFDIR; | |
2a113aee | 706 | b->num_notes = 0; |
734c91f9 | 707 | b->active = 0; |
69e74e74 | 708 | b->pack_id = MAX_PACK_ID; |
463acbe1 SP |
709 | branch_table[hc] = b; |
710 | branch_count++; | |
711 | return b; | |
712 | } | |
713 | ||
714 | static unsigned int hc_entries(unsigned int cnt) | |
715 | { | |
716 | cnt = cnt & 7 ? (cnt / 8) + 1 : cnt / 8; | |
717 | return cnt < avail_tree_table_sz ? cnt : avail_tree_table_sz - 1; | |
718 | } | |
719 | ||
e5b1444b | 720 | static struct tree_content *new_tree_content(unsigned int cnt) |
463acbe1 SP |
721 | { |
722 | struct avail_tree_content *f, *l = NULL; | |
723 | struct tree_content *t; | |
724 | unsigned int hc = hc_entries(cnt); | |
725 | ||
726 | for (f = avail_tree_table[hc]; f; l = f, f = f->next_avail) | |
727 | if (f->entry_capacity >= cnt) | |
728 | break; | |
729 | ||
730 | if (f) { | |
731 | if (l) | |
732 | l->next_avail = f->next_avail; | |
733 | else | |
734 | avail_tree_table[hc] = f->next_avail; | |
735 | } else { | |
736 | cnt = cnt & 7 ? ((cnt / 8) + 1) * 8 : cnt; | |
737 | f = pool_alloc(sizeof(*t) + sizeof(t->entries[0]) * cnt); | |
738 | f->entry_capacity = cnt; | |
739 | } | |
740 | ||
741 | t = (struct tree_content*)f; | |
742 | t->entry_count = 0; | |
4cabf858 | 743 | t->delta_depth = 0; |
463acbe1 SP |
744 | return t; |
745 | } | |
746 | ||
747 | static void release_tree_entry(struct tree_entry *e); | |
748 | static void release_tree_content(struct tree_content *t) | |
749 | { | |
750 | struct avail_tree_content *f = (struct avail_tree_content*)t; | |
751 | unsigned int hc = hc_entries(f->entry_capacity); | |
afde8dd9 SP |
752 | f->next_avail = avail_tree_table[hc]; |
753 | avail_tree_table[hc] = f; | |
754 | } | |
755 | ||
756 | static void release_tree_content_recursive(struct tree_content *t) | |
757 | { | |
463acbe1 SP |
758 | unsigned int i; |
759 | for (i = 0; i < t->entry_count; i++) | |
760 | release_tree_entry(t->entries[i]); | |
afde8dd9 | 761 | release_tree_content(t); |
463acbe1 SP |
762 | } |
763 | ||
e5b1444b | 764 | static struct tree_content *grow_tree_content( |
463acbe1 SP |
765 | struct tree_content *t, |
766 | int amt) | |
767 | { | |
768 | struct tree_content *r = new_tree_content(t->entry_count + amt); | |
769 | r->entry_count = t->entry_count; | |
4cabf858 | 770 | r->delta_depth = t->delta_depth; |
463acbe1 SP |
771 | memcpy(r->entries,t->entries,t->entry_count*sizeof(t->entries[0])); |
772 | release_tree_content(t); | |
773 | return r; | |
774 | } | |
775 | ||
e5b1444b | 776 | static struct tree_entry *new_tree_entry(void) |
463acbe1 SP |
777 | { |
778 | struct tree_entry *e; | |
779 | ||
780 | if (!avail_tree_entry) { | |
781 | unsigned int n = tree_entry_alloc; | |
8435a9cb | 782 | total_allocd += n * sizeof(struct tree_entry); |
463acbe1 | 783 | avail_tree_entry = e = xmalloc(n * sizeof(struct tree_entry)); |
2eb26d84 | 784 | while (n-- > 1) { |
463acbe1 SP |
785 | *((void**)e) = e + 1; |
786 | e++; | |
787 | } | |
35ef237c | 788 | *((void**)e) = NULL; |
463acbe1 SP |
789 | } |
790 | ||
791 | e = avail_tree_entry; | |
792 | avail_tree_entry = *((void**)e); | |
793 | return e; | |
794 | } | |
795 | ||
796 | static void release_tree_entry(struct tree_entry *e) | |
797 | { | |
798 | if (e->tree) | |
afde8dd9 | 799 | release_tree_content_recursive(e->tree); |
463acbe1 SP |
800 | *((void**)e) = avail_tree_entry; |
801 | avail_tree_entry = e; | |
802 | } | |
803 | ||
b6f3481b SP |
804 | static struct tree_content *dup_tree_content(struct tree_content *s) |
805 | { | |
806 | struct tree_content *d; | |
807 | struct tree_entry *a, *b; | |
808 | unsigned int i; | |
809 | ||
810 | if (!s) | |
811 | return NULL; | |
812 | d = new_tree_content(s->entry_count); | |
813 | for (i = 0; i < s->entry_count; i++) { | |
814 | a = s->entries[i]; | |
815 | b = new_tree_entry(); | |
816 | memcpy(b, a, sizeof(*a)); | |
817 | if (a->tree && is_null_sha1(b->versions[1].sha1)) | |
818 | b->tree = dup_tree_content(a->tree); | |
819 | else | |
820 | b->tree = NULL; | |
821 | d->entries[i] = b; | |
822 | } | |
823 | d->entry_count = s->entry_count; | |
824 | d->delta_depth = s->delta_depth; | |
825 | ||
826 | return d; | |
827 | } | |
828 | ||
fd99224e | 829 | static void start_packfile(void) |
f70b6534 | 830 | { |
8455e484 | 831 | static char tmpfile[PATH_MAX]; |
7bfe6e26 | 832 | struct packed_git *p; |
f70b6534 | 833 | struct pack_header hdr; |
0fcbcae7 | 834 | int pack_fd; |
f70b6534 | 835 | |
6e180cdc JH |
836 | pack_fd = odb_mkstemp(tmpfile, sizeof(tmpfile), |
837 | "pack/tmp_pack_XXXXXX"); | |
8455e484 SP |
838 | p = xcalloc(1, sizeof(*p) + strlen(tmpfile) + 2); |
839 | strcpy(p->pack_name, tmpfile); | |
7bfe6e26 | 840 | p->pack_fd = pack_fd; |
f70b6534 SP |
841 | |
842 | hdr.hdr_signature = htonl(PACK_SIGNATURE); | |
843 | hdr.hdr_version = htonl(2); | |
844 | hdr.hdr_entries = 0; | |
0fcbcae7 | 845 | write_or_die(p->pack_fd, &hdr, sizeof(hdr)); |
7bfe6e26 SP |
846 | |
847 | pack_data = p; | |
f70b6534 SP |
848 | pack_size = sizeof(hdr); |
849 | object_count = 0; | |
7bfe6e26 SP |
850 | |
851 | all_packs = xrealloc(all_packs, sizeof(*all_packs) * (pack_id + 1)); | |
852 | all_packs[pack_id] = p; | |
f70b6534 SP |
853 | } |
854 | ||
f70b6534 SP |
855 | static int oecmp (const void *a_, const void *b_) |
856 | { | |
857 | struct object_entry *a = *((struct object_entry**)a_); | |
858 | struct object_entry *b = *((struct object_entry**)b_); | |
3fc366bd | 859 | return hashcmp(a->idx.sha1, b->idx.sha1); |
f70b6534 SP |
860 | } |
861 | ||
e5b1444b | 862 | static char *create_index(void) |
f70b6534 | 863 | { |
8455e484 | 864 | static char tmpfile[PATH_MAX]; |
9126f009 | 865 | git_SHA_CTX ctx; |
f70b6534 SP |
866 | struct sha1file *f; |
867 | struct object_entry **idx, **c, **last, *e; | |
868 | struct object_entry_pool *o; | |
ebea9dd4 | 869 | uint32_t array[256]; |
8455e484 | 870 | int i, idx_fd; |
f70b6534 SP |
871 | |
872 | /* Build the sorted table of object IDs. */ | |
873 | idx = xmalloc(object_count * sizeof(struct object_entry*)); | |
874 | c = idx; | |
875 | for (o = blocks; o; o = o->next_pool) | |
d9ee53ce SP |
876 | for (e = o->next_free; e-- != o->entries;) |
877 | if (pack_id == e->pack_id) | |
878 | *c++ = e; | |
f70b6534 | 879 | last = idx + object_count; |
2fce1f3c SP |
880 | if (c != last) |
881 | die("internal consistency error creating the index"); | |
f70b6534 SP |
882 | qsort(idx, object_count, sizeof(struct object_entry*), oecmp); |
883 | ||
884 | /* Generate the fan-out array. */ | |
885 | c = idx; | |
886 | for (i = 0; i < 256; i++) { | |
ba19a808 | 887 | struct object_entry **next = c; |
f70b6534 | 888 | while (next < last) { |
3fc366bd | 889 | if ((*next)->idx.sha1[0] != i) |
f70b6534 SP |
890 | break; |
891 | next++; | |
892 | } | |
893 | array[i] = htonl(next - idx); | |
894 | c = next; | |
895 | } | |
896 | ||
6e180cdc JH |
897 | idx_fd = odb_mkstemp(tmpfile, sizeof(tmpfile), |
898 | "pack/tmp_idx_XXXXXX"); | |
8455e484 | 899 | f = sha1fd(idx_fd, tmpfile); |
f70b6534 | 900 | sha1write(f, array, 256 * sizeof(int)); |
9126f009 | 901 | git_SHA1_Init(&ctx); |
f70b6534 | 902 | for (c = idx; c != last; c++) { |
3fc366bd | 903 | uint32_t offset = htonl((*c)->idx.offset); |
f70b6534 | 904 | sha1write(f, &offset, 4); |
3fc366bd NP |
905 | sha1write(f, (*c)->idx.sha1, sizeof((*c)->idx.sha1)); |
906 | git_SHA1_Update(&ctx, (*c)->idx.sha1, 20); | |
f70b6534 | 907 | } |
09543c96 | 908 | sha1write(f, pack_data->sha1, sizeof(pack_data->sha1)); |
4c81b03e | 909 | sha1close(f, NULL, CSUM_FSYNC); |
f70b6534 | 910 | free(idx); |
9126f009 | 911 | git_SHA1_Final(pack_data->sha1, &ctx); |
8455e484 SP |
912 | return tmpfile; |
913 | } | |
914 | ||
e5b1444b | 915 | static char *keep_pack(char *curr_index_name) |
8455e484 SP |
916 | { |
917 | static char name[PATH_MAX]; | |
3a55602e | 918 | static const char *keep_msg = "fast-import"; |
8455e484 SP |
919 | int keep_fd; |
920 | ||
6e180cdc | 921 | keep_fd = odb_pack_keep(name, sizeof(name), pack_data->sha1); |
8455e484 | 922 | if (keep_fd < 0) |
0721c314 | 923 | die_errno("cannot create keep file"); |
95693d45 JM |
924 | write_or_die(keep_fd, keep_msg, strlen(keep_msg)); |
925 | if (close(keep_fd)) | |
0721c314 | 926 | die_errno("failed to write keep file"); |
8455e484 SP |
927 | |
928 | snprintf(name, sizeof(name), "%s/pack/pack-%s.pack", | |
929 | get_object_directory(), sha1_to_hex(pack_data->sha1)); | |
930 | if (move_temp_to_file(pack_data->pack_name, name)) | |
931 | die("cannot store pack file"); | |
8455e484 SP |
932 | |
933 | snprintf(name, sizeof(name), "%s/pack/pack-%s.idx", | |
934 | get_object_directory(), sha1_to_hex(pack_data->sha1)); | |
935 | if (move_temp_to_file(curr_index_name, name)) | |
936 | die("cannot store index file"); | |
937 | return name; | |
938 | } | |
939 | ||
fd99224e | 940 | static void unkeep_all_packs(void) |
8455e484 SP |
941 | { |
942 | static char name[PATH_MAX]; | |
943 | int k; | |
944 | ||
945 | for (k = 0; k < pack_id; k++) { | |
946 | struct packed_git *p = all_packs[k]; | |
947 | snprintf(name, sizeof(name), "%s/pack/pack-%s.keep", | |
948 | get_object_directory(), sha1_to_hex(p->sha1)); | |
691f1a28 | 949 | unlink_or_warn(name); |
8455e484 | 950 | } |
f70b6534 SP |
951 | } |
952 | ||
fd99224e | 953 | static void end_packfile(void) |
f70b6534 | 954 | { |
7bfe6e26 SP |
955 | struct packed_git *old_p = pack_data, *new_p; |
956 | ||
3d20c636 | 957 | clear_delta_base_cache(); |
3e005baf | 958 | if (object_count) { |
8455e484 | 959 | char *idx_name; |
2369ed79 SP |
960 | int i; |
961 | struct branch *b; | |
962 | struct tag *t; | |
8455e484 | 963 | |
c9ced051 | 964 | close_pack_windows(pack_data); |
8b0eca7c | 965 | fixup_pack_header_footer(pack_data->pack_fd, pack_data->sha1, |
abeb40e5 NP |
966 | pack_data->pack_name, object_count, |
967 | NULL, 0); | |
8b0eca7c | 968 | close(pack_data->pack_fd); |
8455e484 | 969 | idx_name = keep_pack(create_index()); |
3e005baf | 970 | |
3ea3c215 | 971 | /* Register the packfile with core git's machinery. */ |
3e005baf SP |
972 | new_p = add_packed_git(idx_name, strlen(idx_name), 1); |
973 | if (!new_p) | |
974 | die("core git rejected index %s", idx_name); | |
2369ed79 | 975 | all_packs[pack_id] = new_p; |
3e005baf | 976 | install_packed_git(new_p); |
2369ed79 SP |
977 | |
978 | /* Print the boundary */ | |
bdf1c06d SP |
979 | if (pack_edges) { |
980 | fprintf(pack_edges, "%s:", new_p->pack_name); | |
981 | for (i = 0; i < branch_table_sz; i++) { | |
982 | for (b = branch_table[i]; b; b = b->table_next_branch) { | |
983 | if (b->pack_id == pack_id) | |
984 | fprintf(pack_edges, " %s", sha1_to_hex(b->sha1)); | |
985 | } | |
2369ed79 | 986 | } |
bdf1c06d SP |
987 | for (t = first_tag; t; t = t->next_tag) { |
988 | if (t->pack_id == pack_id) | |
989 | fprintf(pack_edges, " %s", sha1_to_hex(t->sha1)); | |
990 | } | |
991 | fputc('\n', pack_edges); | |
992 | fflush(pack_edges); | |
2369ed79 | 993 | } |
2369ed79 SP |
994 | |
995 | pack_id++; | |
3e005baf | 996 | } |
87c8a56e JS |
997 | else { |
998 | close(old_p->pack_fd); | |
691f1a28 | 999 | unlink_or_warn(old_p->pack_name); |
87c8a56e | 1000 | } |
7bfe6e26 | 1001 | free(old_p); |
7bfe6e26 SP |
1002 | |
1003 | /* We can't carry a delta across packfiles. */ | |
05576569 | 1004 | strbuf_release(&last_blob.data); |
7bfe6e26 SP |
1005 | last_blob.offset = 0; |
1006 | last_blob.depth = 0; | |
f70b6534 SP |
1007 | } |
1008 | ||
820b9310 | 1009 | static void cycle_packfile(void) |
d9ee53ce SP |
1010 | { |
1011 | end_packfile(); | |
1012 | start_packfile(); | |
1013 | } | |
1014 | ||
c44cdc7e | 1015 | static size_t encode_header( |
ac47a738 | 1016 | enum object_type type, |
5eef828b | 1017 | uintmax_t size, |
ac47a738 | 1018 | unsigned char *hdr) |
db5e523f SP |
1019 | { |
1020 | int n = 1; | |
1021 | unsigned char c; | |
1022 | ||
1fcdd62a | 1023 | if (type < OBJ_COMMIT || type > OBJ_REF_DELTA) |
db5e523f SP |
1024 | die("bad type %d", type); |
1025 | ||
1026 | c = (type << 4) | (size & 15); | |
1027 | size >>= 4; | |
1028 | while (size) { | |
1029 | *hdr++ = c | 0x80; | |
1030 | c = size & 0x7f; | |
1031 | size >>= 7; | |
1032 | n++; | |
1033 | } | |
1034 | *hdr = c; | |
1035 | return n; | |
1036 | } | |
1037 | ||
ac47a738 SP |
1038 | static int store_object( |
1039 | enum object_type type, | |
eec813cf | 1040 | struct strbuf *dat, |
6bb5b329 | 1041 | struct last_object *last, |
d8397168 | 1042 | unsigned char *sha1out, |
0ea9f045 | 1043 | uintmax_t mark) |
db5e523f | 1044 | { |
db5e523f | 1045 | void *out, *delta; |
ac47a738 SP |
1046 | struct object_entry *e; |
1047 | unsigned char hdr[96]; | |
1048 | unsigned char sha1[20]; | |
db5e523f | 1049 | unsigned long hdrlen, deltalen; |
9126f009 | 1050 | git_SHA_CTX c; |
ac47a738 SP |
1051 | z_stream s; |
1052 | ||
4b25d091 | 1053 | hdrlen = sprintf((char *)hdr,"%s %lu", typename(type), |
eec813cf | 1054 | (unsigned long)dat->len) + 1; |
9126f009 NP |
1055 | git_SHA1_Init(&c); |
1056 | git_SHA1_Update(&c, hdr, hdrlen); | |
1057 | git_SHA1_Update(&c, dat->buf, dat->len); | |
1058 | git_SHA1_Final(sha1, &c); | |
6bb5b329 | 1059 | if (sha1out) |
445b8599 | 1060 | hashcpy(sha1out, sha1); |
ac47a738 SP |
1061 | |
1062 | e = insert_object(sha1); | |
d8397168 SP |
1063 | if (mark) |
1064 | insert_mark(mark, e); | |
3fc366bd | 1065 | if (e->idx.offset) { |
6143f064 | 1066 | duplicate_count_by_type[type]++; |
463acbe1 | 1067 | return 1; |
a5c1780a SP |
1068 | } else if (find_sha1_pack(sha1, packed_git)) { |
1069 | e->type = type; | |
1070 | e->pack_id = MAX_PACK_ID; | |
3fc366bd | 1071 | e->idx.offset = 1; /* just not zero! */ |
a5c1780a SP |
1072 | duplicate_count_by_type[type]++; |
1073 | return 1; | |
ac47a738 | 1074 | } |
db5e523f | 1075 | |
05576569 PH |
1076 | if (last && last->data.buf && last->depth < max_depth) { |
1077 | delta = diff_delta(last->data.buf, last->data.len, | |
eec813cf | 1078 | dat->buf, dat->len, |
db5e523f | 1079 | &deltalen, 0); |
eec813cf | 1080 | if (delta && deltalen >= dat->len) { |
d9ee53ce SP |
1081 | free(delta); |
1082 | delta = NULL; | |
1083 | } | |
1084 | } else | |
1085 | delta = NULL; | |
db5e523f SP |
1086 | |
1087 | memset(&s, 0, sizeof(s)); | |
bb23fdfa | 1088 | deflateInit(&s, pack_compression_level); |
d9ee53ce SP |
1089 | if (delta) { |
1090 | s.next_in = delta; | |
1091 | s.avail_in = deltalen; | |
1092 | } else { | |
eec813cf PH |
1093 | s.next_in = (void *)dat->buf; |
1094 | s.avail_in = dat->len; | |
d9ee53ce SP |
1095 | } |
1096 | s.avail_out = deflateBound(&s, s.avail_in); | |
1097 | s.next_out = out = xmalloc(s.avail_out); | |
1098 | while (deflate(&s, Z_FINISH) == Z_OK) | |
1099 | /* nothing */; | |
1100 | deflateEnd(&s); | |
1101 | ||
1102 | /* Determine if we should auto-checkpoint. */ | |
e5808826 | 1103 | if ((pack_size + 60 + s.total_out) > max_packsize |
d9ee53ce SP |
1104 | || (pack_size + 60 + s.total_out) < pack_size) { |
1105 | ||
1106 | /* This new object needs to *not* have the current pack_id. */ | |
1107 | e->pack_id = pack_id + 1; | |
820b9310 | 1108 | cycle_packfile(); |
d9ee53ce SP |
1109 | |
1110 | /* We cannot carry a delta into the new pack. */ | |
1111 | if (delta) { | |
1112 | free(delta); | |
1113 | delta = NULL; | |
5d6f3ef6 SP |
1114 | |
1115 | memset(&s, 0, sizeof(s)); | |
bb23fdfa | 1116 | deflateInit(&s, pack_compression_level); |
eec813cf PH |
1117 | s.next_in = (void *)dat->buf; |
1118 | s.avail_in = dat->len; | |
5d6f3ef6 SP |
1119 | s.avail_out = deflateBound(&s, s.avail_in); |
1120 | s.next_out = out = xrealloc(out, s.avail_out); | |
1121 | while (deflate(&s, Z_FINISH) == Z_OK) | |
1122 | /* nothing */; | |
1123 | deflateEnd(&s); | |
d9ee53ce | 1124 | } |
d9ee53ce SP |
1125 | } |
1126 | ||
1127 | e->type = type; | |
1128 | e->pack_id = pack_id; | |
3fc366bd | 1129 | e->idx.offset = pack_size; |
d9ee53ce SP |
1130 | object_count++; |
1131 | object_count_by_type[type]++; | |
db5e523f SP |
1132 | |
1133 | if (delta) { | |
3fc366bd | 1134 | unsigned long ofs = e->idx.offset - last->offset; |
d489bc14 SP |
1135 | unsigned pos = sizeof(hdr) - 1; |
1136 | ||
4cabf858 | 1137 | delta_count_by_type[type]++; |
436e7a74 | 1138 | e->depth = last->depth + 1; |
d489bc14 SP |
1139 | |
1140 | hdrlen = encode_header(OBJ_OFS_DELTA, deltalen, hdr); | |
0fcbcae7 | 1141 | write_or_die(pack_data->pack_fd, hdr, hdrlen); |
d489bc14 SP |
1142 | pack_size += hdrlen; |
1143 | ||
1144 | hdr[pos] = ofs & 127; | |
1145 | while (ofs >>= 7) | |
1146 | hdr[--pos] = 128 | (--ofs & 127); | |
0fcbcae7 | 1147 | write_or_die(pack_data->pack_fd, hdr + pos, sizeof(hdr) - pos); |
d489bc14 | 1148 | pack_size += sizeof(hdr) - pos; |
db5e523f | 1149 | } else { |
436e7a74 | 1150 | e->depth = 0; |
eec813cf | 1151 | hdrlen = encode_header(type, dat->len, hdr); |
0fcbcae7 | 1152 | write_or_die(pack_data->pack_fd, hdr, hdrlen); |
41e5257f | 1153 | pack_size += hdrlen; |
db5e523f SP |
1154 | } |
1155 | ||
0fcbcae7 | 1156 | write_or_die(pack_data->pack_fd, out, s.total_out); |
41e5257f | 1157 | pack_size += s.total_out; |
db5e523f SP |
1158 | |
1159 | free(out); | |
e7d06a4b | 1160 | free(delta); |
463acbe1 | 1161 | if (last) { |
05576569 PH |
1162 | if (last->no_swap) { |
1163 | last->data = *dat; | |
1164 | } else { | |
c76689df | 1165 | strbuf_swap(&last->data, dat); |
05576569 | 1166 | } |
3fc366bd | 1167 | last->offset = e->idx.offset; |
436e7a74 | 1168 | last->depth = e->depth; |
463acbe1 SP |
1169 | } |
1170 | return 0; | |
1171 | } | |
1172 | ||
5eef828b SP |
1173 | static void truncate_pack(off_t to) |
1174 | { | |
1175 | if (ftruncate(pack_data->pack_fd, to) | |
1176 | || lseek(pack_data->pack_fd, to, SEEK_SET) != to) | |
1177 | die_errno("cannot truncate pack to skip duplicate"); | |
1178 | pack_size = to; | |
1179 | } | |
1180 | ||
1181 | static void stream_blob(uintmax_t len, unsigned char *sha1out, uintmax_t mark) | |
1182 | { | |
1183 | size_t in_sz = 64 * 1024, out_sz = 64 * 1024; | |
1184 | unsigned char *in_buf = xmalloc(in_sz); | |
1185 | unsigned char *out_buf = xmalloc(out_sz); | |
1186 | struct object_entry *e; | |
1187 | unsigned char sha1[20]; | |
1188 | unsigned long hdrlen; | |
1189 | off_t offset; | |
1190 | git_SHA_CTX c; | |
1191 | z_stream s; | |
1192 | int status = Z_OK; | |
1193 | ||
1194 | /* Determine if we should auto-checkpoint. */ | |
1195 | if ((pack_size + 60 + len) > max_packsize | |
1196 | || (pack_size + 60 + len) < pack_size) | |
1197 | cycle_packfile(); | |
1198 | ||
1199 | offset = pack_size; | |
1200 | ||
1201 | hdrlen = snprintf((char *)out_buf, out_sz, "blob %" PRIuMAX, len) + 1; | |
1202 | if (out_sz <= hdrlen) | |
1203 | die("impossibly large object header"); | |
1204 | ||
1205 | git_SHA1_Init(&c); | |
1206 | git_SHA1_Update(&c, out_buf, hdrlen); | |
1207 | ||
1208 | memset(&s, 0, sizeof(s)); | |
1209 | deflateInit(&s, pack_compression_level); | |
1210 | ||
1211 | hdrlen = encode_header(OBJ_BLOB, len, out_buf); | |
1212 | if (out_sz <= hdrlen) | |
1213 | die("impossibly large object header"); | |
1214 | ||
1215 | s.next_out = out_buf + hdrlen; | |
1216 | s.avail_out = out_sz - hdrlen; | |
1217 | ||
1218 | while (status != Z_STREAM_END) { | |
1219 | if (0 < len && !s.avail_in) { | |
1220 | size_t cnt = in_sz < len ? in_sz : (size_t)len; | |
1221 | size_t n = fread(in_buf, 1, cnt, stdin); | |
1222 | if (!n && feof(stdin)) | |
1223 | die("EOF in data (%" PRIuMAX " bytes remaining)", len); | |
1224 | ||
1225 | git_SHA1_Update(&c, in_buf, n); | |
1226 | s.next_in = in_buf; | |
1227 | s.avail_in = n; | |
1228 | len -= n; | |
1229 | } | |
1230 | ||
1231 | status = deflate(&s, len ? 0 : Z_FINISH); | |
1232 | ||
1233 | if (!s.avail_out || status == Z_STREAM_END) { | |
1234 | size_t n = s.next_out - out_buf; | |
1235 | write_or_die(pack_data->pack_fd, out_buf, n); | |
1236 | pack_size += n; | |
1237 | s.next_out = out_buf; | |
1238 | s.avail_out = out_sz; | |
1239 | } | |
1240 | ||
1241 | switch (status) { | |
1242 | case Z_OK: | |
1243 | case Z_BUF_ERROR: | |
1244 | case Z_STREAM_END: | |
1245 | continue; | |
1246 | default: | |
1247 | die("unexpected deflate failure: %d", status); | |
1248 | } | |
1249 | } | |
1250 | deflateEnd(&s); | |
1251 | git_SHA1_Final(sha1, &c); | |
1252 | ||
1253 | if (sha1out) | |
1254 | hashcpy(sha1out, sha1); | |
1255 | ||
1256 | e = insert_object(sha1); | |
1257 | ||
1258 | if (mark) | |
1259 | insert_mark(mark, e); | |
1260 | ||
3fc366bd | 1261 | if (e->idx.offset) { |
5eef828b SP |
1262 | duplicate_count_by_type[OBJ_BLOB]++; |
1263 | truncate_pack(offset); | |
1264 | ||
1265 | } else if (find_sha1_pack(sha1, packed_git)) { | |
1266 | e->type = OBJ_BLOB; | |
1267 | e->pack_id = MAX_PACK_ID; | |
3fc366bd | 1268 | e->idx.offset = 1; /* just not zero! */ |
5eef828b SP |
1269 | duplicate_count_by_type[OBJ_BLOB]++; |
1270 | truncate_pack(offset); | |
1271 | ||
1272 | } else { | |
1273 | e->depth = 0; | |
1274 | e->type = OBJ_BLOB; | |
1275 | e->pack_id = pack_id; | |
3fc366bd | 1276 | e->idx.offset = offset; |
5eef828b SP |
1277 | object_count++; |
1278 | object_count_by_type[OBJ_BLOB]++; | |
1279 | } | |
1280 | ||
1281 | free(in_buf); | |
1282 | free(out_buf); | |
1283 | } | |
1284 | ||
7422bac4 SP |
1285 | /* All calls must be guarded by find_object() or find_mark() to |
1286 | * ensure the 'struct object_entry' passed was written by this | |
1287 | * process instance. We unpack the entry by the offset, avoiding | |
1288 | * the need for the corresponding .idx file. This unpacking rule | |
1289 | * works because we only use OBJ_REF_DELTA within the packfiles | |
1290 | * created by fast-import. | |
1291 | * | |
1292 | * oe must not be NULL. Such an oe usually comes from giving | |
1293 | * an unknown SHA-1 to find_object() or an undefined mark to | |
1294 | * find_mark(). Callers must test for this condition and use | |
1295 | * the standard read_sha1_file() when it happens. | |
1296 | * | |
1297 | * oe->pack_id must not be MAX_PACK_ID. Such an oe is usually from | |
1298 | * find_mark(), where the mark was reloaded from an existing marks | |
1299 | * file and is referencing an object that this fast-import process | |
1300 | * instance did not write out to a packfile. Callers must test for | |
1301 | * this condition and use read_sha1_file() instead. | |
1302 | */ | |
7bfe6e26 SP |
1303 | static void *gfi_unpack_entry( |
1304 | struct object_entry *oe, | |
1305 | unsigned long *sizep) | |
41e5257f | 1306 | { |
21666f1a | 1307 | enum object_type type; |
7bfe6e26 | 1308 | struct packed_git *p = all_packs[oe->pack_id]; |
c9ced051 | 1309 | if (p == pack_data && p->pack_size < (pack_size + 20)) { |
7422bac4 SP |
1310 | /* The object is stored in the packfile we are writing to |
1311 | * and we have modified it since the last time we scanned | |
1312 | * back to read a previously written object. If an old | |
1313 | * window covered [p->pack_size, p->pack_size + 20) its | |
1314 | * data is stale and is not valid. Closing all windows | |
1315 | * and updating the packfile length ensures we can read | |
1316 | * the newly written data. | |
1317 | */ | |
c9ced051 | 1318 | close_pack_windows(p); |
7422bac4 SP |
1319 | |
1320 | /* We have to offer 20 bytes additional on the end of | |
1321 | * the packfile as the core unpacker code assumes the | |
1322 | * footer is present at the file end and must promise | |
1323 | * at least 20 bytes within any window it maps. But | |
1324 | * we don't actually create the footer here. | |
1325 | */ | |
7bfe6e26 | 1326 | p->pack_size = pack_size + 20; |
c9ced051 | 1327 | } |
3fc366bd | 1328 | return unpack_entry(p, oe->idx.offset, &type, sizep); |
41e5257f SP |
1329 | } |
1330 | ||
10831c55 | 1331 | static const char *get_mode(const char *str, uint16_t *modep) |
463acbe1 SP |
1332 | { |
1333 | unsigned char c; | |
10831c55 | 1334 | uint16_t mode = 0; |
463acbe1 SP |
1335 | |
1336 | while ((c = *str++) != ' ') { | |
1337 | if (c < '0' || c > '7') | |
1338 | return NULL; | |
1339 | mode = (mode << 3) + (c - '0'); | |
1340 | } | |
1341 | *modep = mode; | |
1342 | return str; | |
1343 | } | |
1344 | ||
1345 | static void load_tree(struct tree_entry *root) | |
1346 | { | |
4b25d091 | 1347 | unsigned char *sha1 = root->versions[1].sha1; |
463acbe1 SP |
1348 | struct object_entry *myoe; |
1349 | struct tree_content *t; | |
1350 | unsigned long size; | |
1351 | char *buf; | |
1352 | const char *c; | |
463acbe1 SP |
1353 | |
1354 | root->tree = t = new_tree_content(8); | |
4cabf858 | 1355 | if (is_null_sha1(sha1)) |
463acbe1 SP |
1356 | return; |
1357 | ||
4cabf858 | 1358 | myoe = find_object(sha1); |
20f546a8 | 1359 | if (myoe && myoe->pack_id != MAX_PACK_ID) { |
41e5257f | 1360 | if (myoe->type != OBJ_TREE) |
4cabf858 | 1361 | die("Not a tree: %s", sha1_to_hex(sha1)); |
436e7a74 | 1362 | t->delta_depth = myoe->depth; |
7bfe6e26 | 1363 | buf = gfi_unpack_entry(myoe, &size); |
e8b32e06 SP |
1364 | if (!buf) |
1365 | die("Can't load tree %s", sha1_to_hex(sha1)); | |
463acbe1 | 1366 | } else { |
21666f1a NP |
1367 | enum object_type type; |
1368 | buf = read_sha1_file(sha1, &type, &size); | |
1369 | if (!buf || type != OBJ_TREE) | |
4cabf858 | 1370 | die("Can't load tree %s", sha1_to_hex(sha1)); |
463acbe1 SP |
1371 | } |
1372 | ||
1373 | c = buf; | |
1374 | while (c != (buf + size)) { | |
1375 | struct tree_entry *e = new_tree_entry(); | |
1376 | ||
1377 | if (t->entry_count == t->entry_capacity) | |
f022f85f | 1378 | root->tree = t = grow_tree_content(t, t->entry_count); |
463acbe1 SP |
1379 | t->entries[t->entry_count++] = e; |
1380 | ||
1381 | e->tree = NULL; | |
4cabf858 | 1382 | c = get_mode(c, &e->versions[1].mode); |
463acbe1 | 1383 | if (!c) |
4cabf858 SP |
1384 | die("Corrupt mode in %s", sha1_to_hex(sha1)); |
1385 | e->versions[0].mode = e->versions[1].mode; | |
061e35c5 | 1386 | e->name = to_atom(c, strlen(c)); |
463acbe1 | 1387 | c += e->name->str_len + 1; |
4b25d091 FC |
1388 | hashcpy(e->versions[0].sha1, (unsigned char *)c); |
1389 | hashcpy(e->versions[1].sha1, (unsigned char *)c); | |
463acbe1 SP |
1390 | c += 20; |
1391 | } | |
1392 | free(buf); | |
1393 | } | |
1394 | ||
4cabf858 | 1395 | static int tecmp0 (const void *_a, const void *_b) |
463acbe1 SP |
1396 | { |
1397 | struct tree_entry *a = *((struct tree_entry**)_a); | |
1398 | struct tree_entry *b = *((struct tree_entry**)_b); | |
1399 | return base_name_compare( | |
4cabf858 SP |
1400 | a->name->str_dat, a->name->str_len, a->versions[0].mode, |
1401 | b->name->str_dat, b->name->str_len, b->versions[0].mode); | |
463acbe1 SP |
1402 | } |
1403 | ||
4cabf858 | 1404 | static int tecmp1 (const void *_a, const void *_b) |
463acbe1 | 1405 | { |
4cabf858 SP |
1406 | struct tree_entry *a = *((struct tree_entry**)_a); |
1407 | struct tree_entry *b = *((struct tree_entry**)_b); | |
1408 | return base_name_compare( | |
1409 | a->name->str_dat, a->name->str_len, a->versions[1].mode, | |
1410 | b->name->str_dat, b->name->str_len, b->versions[1].mode); | |
1411 | } | |
1412 | ||
eec813cf | 1413 | static void mktree(struct tree_content *t, int v, struct strbuf *b) |
4cabf858 SP |
1414 | { |
1415 | size_t maxlen = 0; | |
463acbe1 | 1416 | unsigned int i; |
463acbe1 | 1417 | |
4cabf858 SP |
1418 | if (!v) |
1419 | qsort(t->entries,t->entry_count,sizeof(t->entries[0]),tecmp0); | |
1420 | else | |
1421 | qsort(t->entries,t->entry_count,sizeof(t->entries[0]),tecmp1); | |
463acbe1 | 1422 | |
463acbe1 | 1423 | for (i = 0; i < t->entry_count; i++) { |
4cabf858 SP |
1424 | if (t->entries[i]->versions[v].mode) |
1425 | maxlen += t->entries[i]->name->str_len + 34; | |
463acbe1 SP |
1426 | } |
1427 | ||
eec813cf PH |
1428 | strbuf_reset(b); |
1429 | strbuf_grow(b, maxlen); | |
463acbe1 SP |
1430 | for (i = 0; i < t->entry_count; i++) { |
1431 | struct tree_entry *e = t->entries[i]; | |
4cabf858 SP |
1432 | if (!e->versions[v].mode) |
1433 | continue; | |
eec813cf PH |
1434 | strbuf_addf(b, "%o %s%c", (unsigned int)e->versions[v].mode, |
1435 | e->name->str_dat, '\0'); | |
1436 | strbuf_add(b, e->versions[v].sha1, 20); | |
463acbe1 | 1437 | } |
4cabf858 SP |
1438 | } |
1439 | ||
1440 | static void store_tree(struct tree_entry *root) | |
1441 | { | |
1442 | struct tree_content *t = root->tree; | |
1443 | unsigned int i, j, del; | |
05576569 | 1444 | struct last_object lo = { STRBUF_INIT, 0, 0, /* no_swap */ 1 }; |
d489bc14 | 1445 | struct object_entry *le; |
4cabf858 SP |
1446 | |
1447 | if (!is_null_sha1(root->versions[1].sha1)) | |
1448 | return; | |
1449 | ||
1450 | for (i = 0; i < t->entry_count; i++) { | |
1451 | if (t->entries[i]->tree) | |
1452 | store_tree(t->entries[i]); | |
1453 | } | |
1454 | ||
d489bc14 | 1455 | le = find_object(root->versions[0].sha1); |
05576569 | 1456 | if (S_ISDIR(root->versions[0].mode) && le && le->pack_id == pack_id) { |
eec813cf | 1457 | mktree(t, 0, &old_tree); |
05576569 | 1458 | lo.data = old_tree; |
3fc366bd | 1459 | lo.offset = le->idx.offset; |
4cabf858 | 1460 | lo.depth = t->delta_depth; |
4cabf858 | 1461 | } |
4cabf858 | 1462 | |
eec813cf PH |
1463 | mktree(t, 1, &new_tree); |
1464 | store_object(OBJ_TREE, &new_tree, &lo, root->versions[1].sha1, 0); | |
4cabf858 SP |
1465 | |
1466 | t->delta_depth = lo.depth; | |
4cabf858 SP |
1467 | for (i = 0, j = 0, del = 0; i < t->entry_count; i++) { |
1468 | struct tree_entry *e = t->entries[i]; | |
1469 | if (e->versions[1].mode) { | |
1470 | e->versions[0].mode = e->versions[1].mode; | |
1471 | hashcpy(e->versions[0].sha1, e->versions[1].sha1); | |
1472 | t->entries[j++] = e; | |
1473 | } else { | |
1474 | release_tree_entry(e); | |
1475 | del++; | |
1476 | } | |
1477 | } | |
1478 | t->entry_count -= del; | |
463acbe1 SP |
1479 | } |
1480 | ||
1481 | static int tree_content_set( | |
1482 | struct tree_entry *root, | |
1483 | const char *p, | |
1484 | const unsigned char *sha1, | |
f39a946a SP |
1485 | const uint16_t mode, |
1486 | struct tree_content *subtree) | |
463acbe1 SP |
1487 | { |
1488 | struct tree_content *t = root->tree; | |
1489 | const char *slash1; | |
1490 | unsigned int i, n; | |
1491 | struct tree_entry *e; | |
1492 | ||
1493 | slash1 = strchr(p, '/'); | |
1494 | if (slash1) | |
1495 | n = slash1 - p; | |
1496 | else | |
1497 | n = strlen(p); | |
475d1b33 SP |
1498 | if (!n) |
1499 | die("Empty path component found in input"); | |
f39a946a SP |
1500 | if (!slash1 && !S_ISDIR(mode) && subtree) |
1501 | die("Non-directories cannot have subtrees"); | |
463acbe1 SP |
1502 | |
1503 | for (i = 0; i < t->entry_count; i++) { | |
1504 | e = t->entries[i]; | |
1505 | if (e->name->str_len == n && !strncmp(p, e->name->str_dat, n)) { | |
1506 | if (!slash1) { | |
f39a946a SP |
1507 | if (!S_ISDIR(mode) |
1508 | && e->versions[1].mode == mode | |
4cabf858 | 1509 | && !hashcmp(e->versions[1].sha1, sha1)) |
463acbe1 | 1510 | return 0; |
4cabf858 SP |
1511 | e->versions[1].mode = mode; |
1512 | hashcpy(e->versions[1].sha1, sha1); | |
f39a946a | 1513 | if (e->tree) |
afde8dd9 | 1514 | release_tree_content_recursive(e->tree); |
f39a946a | 1515 | e->tree = subtree; |
4cabf858 | 1516 | hashclr(root->versions[1].sha1); |
463acbe1 SP |
1517 | return 1; |
1518 | } | |
4cabf858 | 1519 | if (!S_ISDIR(e->versions[1].mode)) { |
463acbe1 | 1520 | e->tree = new_tree_content(8); |
4cabf858 | 1521 | e->versions[1].mode = S_IFDIR; |
463acbe1 SP |
1522 | } |
1523 | if (!e->tree) | |
1524 | load_tree(e); | |
f39a946a | 1525 | if (tree_content_set(e, slash1 + 1, sha1, mode, subtree)) { |
4cabf858 | 1526 | hashclr(root->versions[1].sha1); |
463acbe1 SP |
1527 | return 1; |
1528 | } | |
1529 | return 0; | |
1530 | } | |
1531 | } | |
1532 | ||
1533 | if (t->entry_count == t->entry_capacity) | |
f022f85f | 1534 | root->tree = t = grow_tree_content(t, t->entry_count); |
463acbe1 | 1535 | e = new_tree_entry(); |
061e35c5 | 1536 | e->name = to_atom(p, n); |
4cabf858 SP |
1537 | e->versions[0].mode = 0; |
1538 | hashclr(e->versions[0].sha1); | |
463acbe1 SP |
1539 | t->entries[t->entry_count++] = e; |
1540 | if (slash1) { | |
1541 | e->tree = new_tree_content(8); | |
4cabf858 | 1542 | e->versions[1].mode = S_IFDIR; |
f39a946a | 1543 | tree_content_set(e, slash1 + 1, sha1, mode, subtree); |
463acbe1 | 1544 | } else { |
f39a946a | 1545 | e->tree = subtree; |
4cabf858 SP |
1546 | e->versions[1].mode = mode; |
1547 | hashcpy(e->versions[1].sha1, sha1); | |
463acbe1 | 1548 | } |
4cabf858 | 1549 | hashclr(root->versions[1].sha1); |
463acbe1 SP |
1550 | return 1; |
1551 | } | |
1552 | ||
f39a946a SP |
1553 | static int tree_content_remove( |
1554 | struct tree_entry *root, | |
1555 | const char *p, | |
1556 | struct tree_entry *backup_leaf) | |
463acbe1 SP |
1557 | { |
1558 | struct tree_content *t = root->tree; | |
1559 | const char *slash1; | |
1560 | unsigned int i, n; | |
1561 | struct tree_entry *e; | |
1562 | ||
1563 | slash1 = strchr(p, '/'); | |
1564 | if (slash1) | |
1565 | n = slash1 - p; | |
1566 | else | |
1567 | n = strlen(p); | |
1568 | ||
1569 | for (i = 0; i < t->entry_count; i++) { | |
1570 | e = t->entries[i]; | |
1571 | if (e->name->str_len == n && !strncmp(p, e->name->str_dat, n)) { | |
4cabf858 | 1572 | if (!slash1 || !S_ISDIR(e->versions[1].mode)) |
463acbe1 SP |
1573 | goto del_entry; |
1574 | if (!e->tree) | |
1575 | load_tree(e); | |
f39a946a | 1576 | if (tree_content_remove(e, slash1 + 1, backup_leaf)) { |
b54d6422 SP |
1577 | for (n = 0; n < e->tree->entry_count; n++) { |
1578 | if (e->tree->entries[n]->versions[1].mode) { | |
1579 | hashclr(root->versions[1].sha1); | |
1580 | return 1; | |
1581 | } | |
1582 | } | |
f39a946a | 1583 | backup_leaf = NULL; |
b54d6422 | 1584 | goto del_entry; |
463acbe1 SP |
1585 | } |
1586 | return 0; | |
1587 | } | |
1588 | } | |
1589 | return 0; | |
1590 | ||
1591 | del_entry: | |
f39a946a SP |
1592 | if (backup_leaf) |
1593 | memcpy(backup_leaf, e, sizeof(*backup_leaf)); | |
1594 | else if (e->tree) | |
4cabf858 | 1595 | release_tree_content_recursive(e->tree); |
f39a946a | 1596 | e->tree = NULL; |
4cabf858 SP |
1597 | e->versions[1].mode = 0; |
1598 | hashclr(e->versions[1].sha1); | |
1599 | hashclr(root->versions[1].sha1); | |
ac47a738 | 1600 | return 1; |
db5e523f SP |
1601 | } |
1602 | ||
b6f3481b SP |
1603 | static int tree_content_get( |
1604 | struct tree_entry *root, | |
1605 | const char *p, | |
1606 | struct tree_entry *leaf) | |
1607 | { | |
1608 | struct tree_content *t = root->tree; | |
1609 | const char *slash1; | |
1610 | unsigned int i, n; | |
1611 | struct tree_entry *e; | |
1612 | ||
1613 | slash1 = strchr(p, '/'); | |
1614 | if (slash1) | |
1615 | n = slash1 - p; | |
1616 | else | |
1617 | n = strlen(p); | |
1618 | ||
1619 | for (i = 0; i < t->entry_count; i++) { | |
1620 | e = t->entries[i]; | |
1621 | if (e->name->str_len == n && !strncmp(p, e->name->str_dat, n)) { | |
1622 | if (!slash1) { | |
1623 | memcpy(leaf, e, sizeof(*leaf)); | |
1624 | if (e->tree && is_null_sha1(e->versions[1].sha1)) | |
1625 | leaf->tree = dup_tree_content(e->tree); | |
1626 | else | |
1627 | leaf->tree = NULL; | |
1628 | return 1; | |
1629 | } | |
1630 | if (!S_ISDIR(e->versions[1].mode)) | |
1631 | return 0; | |
1632 | if (!e->tree) | |
1633 | load_tree(e); | |
1634 | return tree_content_get(e, slash1 + 1, leaf); | |
1635 | } | |
1636 | } | |
1637 | return 0; | |
1638 | } | |
1639 | ||
7073e69e | 1640 | static int update_branch(struct branch *b) |
463acbe1 SP |
1641 | { |
1642 | static const char *msg = "fast-import"; | |
7073e69e SP |
1643 | struct ref_lock *lock; |
1644 | unsigned char old_sha1[20]; | |
1645 | ||
198724ad EB |
1646 | if (is_null_sha1(b->sha1)) |
1647 | return 0; | |
7073e69e SP |
1648 | if (read_ref(b->name, old_sha1)) |
1649 | hashclr(old_sha1); | |
68db31cc | 1650 | lock = lock_any_ref_for_update(b->name, old_sha1, 0); |
7073e69e SP |
1651 | if (!lock) |
1652 | return error("Unable to lock %s", b->name); | |
1653 | if (!force_update && !is_null_sha1(old_sha1)) { | |
1654 | struct commit *old_cmit, *new_cmit; | |
1655 | ||
1656 | old_cmit = lookup_commit_reference_gently(old_sha1, 0); | |
1657 | new_cmit = lookup_commit_reference_gently(b->sha1, 0); | |
1658 | if (!old_cmit || !new_cmit) { | |
1659 | unlock_ref(lock); | |
1660 | return error("Branch %s is missing commits.", b->name); | |
1661 | } | |
1662 | ||
4a164d48 | 1663 | if (!in_merge_bases(old_cmit, &new_cmit, 1)) { |
7073e69e | 1664 | unlock_ref(lock); |
46efd2d9 | 1665 | warning("Not updating %s" |
7073e69e SP |
1666 | " (new tip %s does not contain %s)", |
1667 | b->name, sha1_to_hex(b->sha1), sha1_to_hex(old_sha1)); | |
1668 | return -1; | |
1669 | } | |
1670 | } | |
1671 | if (write_ref_sha1(lock, b->sha1, msg) < 0) | |
1672 | return error("Unable to update %s", b->name); | |
1673 | return 0; | |
1674 | } | |
1675 | ||
1676 | static void dump_branches(void) | |
1677 | { | |
463acbe1 SP |
1678 | unsigned int i; |
1679 | struct branch *b; | |
463acbe1 SP |
1680 | |
1681 | for (i = 0; i < branch_table_sz; i++) { | |
7073e69e SP |
1682 | for (b = branch_table[i]; b; b = b->table_next_branch) |
1683 | failure |= update_branch(b); | |
463acbe1 SP |
1684 | } |
1685 | } | |
1686 | ||
fd99224e | 1687 | static void dump_tags(void) |
72303d44 SP |
1688 | { |
1689 | static const char *msg = "fast-import"; | |
1690 | struct tag *t; | |
1691 | struct ref_lock *lock; | |
7073e69e | 1692 | char ref_name[PATH_MAX]; |
72303d44 SP |
1693 | |
1694 | for (t = first_tag; t; t = t->next_tag) { | |
7073e69e SP |
1695 | sprintf(ref_name, "tags/%s", t->name); |
1696 | lock = lock_ref_sha1(ref_name, NULL); | |
72303d44 | 1697 | if (!lock || write_ref_sha1(lock, t->sha1, msg) < 0) |
7073e69e | 1698 | failure |= error("Unable to update %s", ref_name); |
72303d44 SP |
1699 | } |
1700 | } | |
1701 | ||
a6a1a831 | 1702 | static void dump_marks_helper(FILE *f, |
0ea9f045 | 1703 | uintmax_t base, |
a6a1a831 SP |
1704 | struct mark_set *m) |
1705 | { | |
0ea9f045 | 1706 | uintmax_t k; |
a6a1a831 SP |
1707 | if (m->shift) { |
1708 | for (k = 0; k < 1024; k++) { | |
1709 | if (m->data.sets[k]) | |
1710 | dump_marks_helper(f, (base + k) << m->shift, | |
1711 | m->data.sets[k]); | |
1712 | } | |
1713 | } else { | |
1714 | for (k = 0; k < 1024; k++) { | |
1715 | if (m->data.marked[k]) | |
3efb1f34 | 1716 | fprintf(f, ":%" PRIuMAX " %s\n", base + k, |
3fc366bd | 1717 | sha1_to_hex(m->data.marked[k]->idx.sha1)); |
a6a1a831 SP |
1718 | } |
1719 | } | |
1720 | } | |
1721 | ||
fd99224e | 1722 | static void dump_marks(void) |
a6a1a831 | 1723 | { |
60b9004c SP |
1724 | static struct lock_file mark_lock; |
1725 | int mark_fd; | |
1726 | FILE *f; | |
1727 | ||
07cd9328 | 1728 | if (!export_marks_file) |
60b9004c SP |
1729 | return; |
1730 | ||
07cd9328 | 1731 | mark_fd = hold_lock_file_for_update(&mark_lock, export_marks_file, 0); |
60b9004c SP |
1732 | if (mark_fd < 0) { |
1733 | failure |= error("Unable to write marks file %s: %s", | |
07cd9328 | 1734 | export_marks_file, strerror(errno)); |
60b9004c | 1735 | return; |
a6a1a831 | 1736 | } |
60b9004c SP |
1737 | |
1738 | f = fdopen(mark_fd, "w"); | |
1739 | if (!f) { | |
5a7b1b57 | 1740 | int saved_errno = errno; |
60b9004c SP |
1741 | rollback_lock_file(&mark_lock); |
1742 | failure |= error("Unable to write marks file %s: %s", | |
07cd9328 | 1743 | export_marks_file, strerror(saved_errno)); |
60b9004c | 1744 | return; |
a6a1a831 | 1745 | } |
60b9004c | 1746 | |
4ed7cd3a | 1747 | /* |
fb54abd6 BC |
1748 | * Since the lock file was fdopen()'ed, it should not be close()'ed. |
1749 | * Assign -1 to the lock file descriptor so that commit_lock_file() | |
4ed7cd3a BC |
1750 | * won't try to close() it. |
1751 | */ | |
1752 | mark_lock.fd = -1; | |
fb54abd6 BC |
1753 | |
1754 | dump_marks_helper(f, 0, marks); | |
1755 | if (ferror(f) || fclose(f)) { | |
5a7b1b57 | 1756 | int saved_errno = errno; |
fb54abd6 BC |
1757 | rollback_lock_file(&mark_lock); |
1758 | failure |= error("Unable to write marks file %s: %s", | |
07cd9328 | 1759 | export_marks_file, strerror(saved_errno)); |
fb54abd6 BC |
1760 | return; |
1761 | } | |
1762 | ||
1763 | if (commit_lock_file(&mark_lock)) { | |
5a7b1b57 | 1764 | int saved_errno = errno; |
fb54abd6 BC |
1765 | rollback_lock_file(&mark_lock); |
1766 | failure |= error("Unable to commit marks file %s: %s", | |
07cd9328 | 1767 | export_marks_file, strerror(saved_errno)); |
fb54abd6 BC |
1768 | return; |
1769 | } | |
a6a1a831 SP |
1770 | } |
1771 | ||
07cd9328 SR |
1772 | static void read_marks(void) |
1773 | { | |
1774 | char line[512]; | |
1775 | FILE *f = fopen(import_marks_file, "r"); | |
1776 | if (!f) | |
1777 | die_errno("cannot read '%s'", import_marks_file); | |
1778 | while (fgets(line, sizeof(line), f)) { | |
1779 | uintmax_t mark; | |
1780 | char *end; | |
1781 | unsigned char sha1[20]; | |
1782 | struct object_entry *e; | |
1783 | ||
1784 | end = strchr(line, '\n'); | |
1785 | if (line[0] != ':' || !end) | |
1786 | die("corrupt mark line: %s", line); | |
1787 | *end = 0; | |
1788 | mark = strtoumax(line + 1, &end, 10); | |
1789 | if (!mark || end == line + 1 | |
1790 | || *end != ' ' || get_sha1(end + 1, sha1)) | |
1791 | die("corrupt mark line: %s", line); | |
1792 | e = find_object(sha1); | |
1793 | if (!e) { | |
1794 | enum object_type type = sha1_object_info(sha1, NULL); | |
1795 | if (type < 0) | |
1796 | die("object not found: %s", sha1_to_hex(sha1)); | |
1797 | e = insert_object(sha1); | |
1798 | e->type = type; | |
1799 | e->pack_id = MAX_PACK_ID; | |
3fc366bd | 1800 | e->idx.offset = 1; /* just not zero! */ |
07cd9328 SR |
1801 | } |
1802 | insert_mark(mark, e); | |
1803 | } | |
1804 | fclose(f); | |
1805 | } | |
1806 | ||
1807 | ||
e6c019d0 | 1808 | static int read_next_command(void) |
c44cdc7e | 1809 | { |
e6c019d0 PH |
1810 | static int stdin_eof = 0; |
1811 | ||
1812 | if (stdin_eof) { | |
1813 | unread_command_buf = 0; | |
1814 | return EOF; | |
1815 | } | |
1816 | ||
401d53fa | 1817 | do { |
904b1941 | 1818 | if (unread_command_buf) { |
1fdb649c | 1819 | unread_command_buf = 0; |
904b1941 SP |
1820 | } else { |
1821 | struct recent_command *rc; | |
1822 | ||
b315c5c0 | 1823 | strbuf_detach(&command_buf, NULL); |
e6c019d0 PH |
1824 | stdin_eof = strbuf_getline(&command_buf, stdin, '\n'); |
1825 | if (stdin_eof) | |
1826 | return EOF; | |
904b1941 | 1827 | |
f963bd5d | 1828 | if (!seen_data_command |
9c8398f0 SR |
1829 | && prefixcmp(command_buf.buf, "feature ") |
1830 | && prefixcmp(command_buf.buf, "option ")) { | |
1831 | parse_argv(); | |
f963bd5d SR |
1832 | } |
1833 | ||
904b1941 SP |
1834 | rc = rc_free; |
1835 | if (rc) | |
1836 | rc_free = rc->next; | |
1837 | else { | |
1838 | rc = cmd_hist.next; | |
1839 | cmd_hist.next = rc->next; | |
1840 | cmd_hist.next->prev = &cmd_hist; | |
1841 | free(rc->buf); | |
1842 | } | |
1843 | ||
1844 | rc->buf = command_buf.buf; | |
1845 | rc->prev = cmd_tail; | |
1846 | rc->next = cmd_hist.prev; | |
1847 | rc->prev->next = rc; | |
1848 | cmd_tail = rc; | |
1849 | } | |
1850 | } while (command_buf.buf[0] == '#'); | |
e6c019d0 PH |
1851 | |
1852 | return 0; | |
c44cdc7e SP |
1853 | } |
1854 | ||
7e5dcea8 | 1855 | static void skip_optional_lf(void) |
2c570cde SP |
1856 | { |
1857 | int term_char = fgetc(stdin); | |
1858 | if (term_char != '\n' && term_char != EOF) | |
1859 | ungetc(term_char, stdin); | |
1860 | } | |
1861 | ||
b3031781 | 1862 | static void parse_mark(void) |
c44cdc7e | 1863 | { |
599065a3 | 1864 | if (!prefixcmp(command_buf.buf, "mark :")) { |
0ea9f045 | 1865 | next_mark = strtoumax(command_buf.buf + 6, NULL, 10); |
c44cdc7e SP |
1866 | read_next_command(); |
1867 | } | |
1868 | else | |
d8397168 | 1869 | next_mark = 0; |
c44cdc7e SP |
1870 | } |
1871 | ||
5eef828b | 1872 | static int parse_data(struct strbuf *sb, uintmax_t limit, uintmax_t *len_res) |
c44cdc7e | 1873 | { |
eec813cf | 1874 | strbuf_reset(sb); |
c44cdc7e | 1875 | |
599065a3 | 1876 | if (prefixcmp(command_buf.buf, "data ")) |
c44cdc7e SP |
1877 | die("Expected 'data n' command, found: %s", command_buf.buf); |
1878 | ||
599065a3 | 1879 | if (!prefixcmp(command_buf.buf + 5, "<<")) { |
3b4dce02 | 1880 | char *term = xstrdup(command_buf.buf + 5 + 2); |
4a241d79 PH |
1881 | size_t term_len = command_buf.len - 5 - 2; |
1882 | ||
c2e6b6d0 | 1883 | strbuf_detach(&command_buf, NULL); |
3b4dce02 | 1884 | for (;;) { |
e6c019d0 | 1885 | if (strbuf_getline(&command_buf, stdin, '\n') == EOF) |
3b4dce02 SP |
1886 | die("EOF in data (terminator '%s' not found)", term); |
1887 | if (term_len == command_buf.len | |
1888 | && !strcmp(term, command_buf.buf)) | |
1889 | break; | |
eec813cf PH |
1890 | strbuf_addbuf(sb, &command_buf); |
1891 | strbuf_addch(sb, '\n'); | |
3b4dce02 SP |
1892 | } |
1893 | free(term); | |
1894 | } | |
1895 | else { | |
5eef828b SP |
1896 | uintmax_t len = strtoumax(command_buf.buf + 5, NULL, 10); |
1897 | size_t n = 0, length = (size_t)len; | |
4a241d79 | 1898 | |
5eef828b SP |
1899 | if (limit && limit < len) { |
1900 | *len_res = len; | |
1901 | return 0; | |
1902 | } | |
1903 | if (length < len) | |
1904 | die("data is too large to use in this context"); | |
4a241d79 | 1905 | |
3b4dce02 | 1906 | while (n < length) { |
eec813cf | 1907 | size_t s = strbuf_fread(sb, length - n, stdin); |
3b4dce02 | 1908 | if (!s && feof(stdin)) |
40db58b8 JS |
1909 | die("EOF in data (%lu bytes remaining)", |
1910 | (unsigned long)(length - n)); | |
3b4dce02 SP |
1911 | n += s; |
1912 | } | |
c44cdc7e SP |
1913 | } |
1914 | ||
2c570cde | 1915 | skip_optional_lf(); |
5eef828b | 1916 | return 1; |
c44cdc7e SP |
1917 | } |
1918 | ||
63e0c8b3 SP |
1919 | static int validate_raw_date(const char *src, char *result, int maxlen) |
1920 | { | |
1921 | const char *orig_src = src; | |
eb3a9dd3 | 1922 | char *endp; |
1cd749cc | 1923 | unsigned long num; |
63e0c8b3 | 1924 | |
c55fae43 RS |
1925 | errno = 0; |
1926 | ||
1cd749cc JH |
1927 | num = strtoul(src, &endp, 10); |
1928 | /* NEEDSWORK: perhaps check for reasonable values? */ | |
c55fae43 | 1929 | if (errno || endp == src || *endp != ' ') |
63e0c8b3 SP |
1930 | return -1; |
1931 | ||
1932 | src = endp + 1; | |
1933 | if (*src != '-' && *src != '+') | |
1934 | return -1; | |
63e0c8b3 | 1935 | |
1cd749cc JH |
1936 | num = strtoul(src + 1, &endp, 10); |
1937 | if (errno || endp == src + 1 || *endp || (endp - orig_src) >= maxlen || | |
1938 | 1400 < num) | |
63e0c8b3 SP |
1939 | return -1; |
1940 | ||
1941 | strcpy(result, orig_src); | |
1942 | return 0; | |
1943 | } | |
1944 | ||
1945 | static char *parse_ident(const char *buf) | |
1946 | { | |
1947 | const char *gt; | |
1948 | size_t name_len; | |
1949 | char *ident; | |
1950 | ||
1951 | gt = strrchr(buf, '>'); | |
1952 | if (!gt) | |
1953 | die("Missing > in ident string: %s", buf); | |
1954 | gt++; | |
1955 | if (*gt != ' ') | |
1956 | die("Missing space after > in ident string: %s", buf); | |
1957 | gt++; | |
1958 | name_len = gt - buf; | |
1959 | ident = xmalloc(name_len + 24); | |
1960 | strncpy(ident, buf, name_len); | |
1961 | ||
1962 | switch (whenspec) { | |
1963 | case WHENSPEC_RAW: | |
1964 | if (validate_raw_date(gt, ident + name_len, 24) < 0) | |
1965 | die("Invalid raw date \"%s\" in ident: %s", gt, buf); | |
1966 | break; | |
1967 | case WHENSPEC_RFC2822: | |
1968 | if (parse_date(gt, ident + name_len, 24) < 0) | |
1969 | die("Invalid rfc2822 date \"%s\" in ident: %s", gt, buf); | |
1970 | break; | |
1971 | case WHENSPEC_NOW: | |
1972 | if (strcmp("now", gt)) | |
1973 | die("Date in ident must be 'now': %s", buf); | |
1974 | datestamp(ident + name_len, 24); | |
1975 | break; | |
1976 | } | |
1977 | ||
1978 | return ident; | |
1979 | } | |
1980 | ||
5eef828b SP |
1981 | static void parse_and_store_blob( |
1982 | struct last_object *last, | |
1983 | unsigned char *sha1out, | |
1984 | uintmax_t mark) | |
6143f064 | 1985 | { |
05576569 | 1986 | static struct strbuf buf = STRBUF_INIT; |
5eef828b | 1987 | uintmax_t len; |
c44cdc7e | 1988 | |
5eef828b SP |
1989 | if (parse_data(&buf, big_file_threshold, &len)) |
1990 | store_object(OBJ_BLOB, &buf, last, sha1out, mark); | |
1991 | else { | |
1992 | if (last) { | |
1993 | strbuf_release(&last->data); | |
1994 | last->offset = 0; | |
1995 | last->depth = 0; | |
1996 | } | |
1997 | stream_blob(len, sha1out, mark); | |
1998 | skip_optional_lf(); | |
1999 | } | |
2000 | } | |
2001 | ||
2002 | static void parse_new_blob(void) | |
2003 | { | |
c44cdc7e | 2004 | read_next_command(); |
b3031781 | 2005 | parse_mark(); |
5eef828b | 2006 | parse_and_store_blob(&last_blob, NULL, next_mark); |
6143f064 SP |
2007 | } |
2008 | ||
fd99224e | 2009 | static void unload_one_branch(void) |
6bb5b329 | 2010 | { |
41e5257f SP |
2011 | while (cur_active_branches |
2012 | && cur_active_branches >= max_active_branches) { | |
6777a59f | 2013 | uintmax_t min_commit = ULONG_MAX; |
463acbe1 SP |
2014 | struct branch *e, *l = NULL, *p = NULL; |
2015 | ||
2016 | for (e = active_branches; e; e = e->active_next_branch) { | |
2017 | if (e->last_commit < min_commit) { | |
2018 | p = l; | |
2019 | min_commit = e->last_commit; | |
2020 | } | |
2021 | l = e; | |
2022 | } | |
2023 | ||
2024 | if (p) { | |
2025 | e = p->active_next_branch; | |
2026 | p->active_next_branch = e->active_next_branch; | |
2027 | } else { | |
2028 | e = active_branches; | |
2029 | active_branches = e->active_next_branch; | |
2030 | } | |
734c91f9 | 2031 | e->active = 0; |
463acbe1 SP |
2032 | e->active_next_branch = NULL; |
2033 | if (e->branch_tree.tree) { | |
afde8dd9 | 2034 | release_tree_content_recursive(e->branch_tree.tree); |
463acbe1 SP |
2035 | e->branch_tree.tree = NULL; |
2036 | } | |
2037 | cur_active_branches--; | |
6bb5b329 | 2038 | } |
6bb5b329 SP |
2039 | } |
2040 | ||
463acbe1 | 2041 | static void load_branch(struct branch *b) |
6bb5b329 | 2042 | { |
463acbe1 | 2043 | load_tree(&b->branch_tree); |
734c91f9 SP |
2044 | if (!b->active) { |
2045 | b->active = 1; | |
2046 | b->active_next_branch = active_branches; | |
2047 | active_branches = b; | |
2048 | cur_active_branches++; | |
2049 | branch_load_count++; | |
2050 | } | |
6bb5b329 SP |
2051 | } |
2052 | ||
2a113aee JH |
2053 | static unsigned char convert_num_notes_to_fanout(uintmax_t num_notes) |
2054 | { | |
2055 | unsigned char fanout = 0; | |
2056 | while ((num_notes >>= 8)) | |
2057 | fanout++; | |
2058 | return fanout; | |
2059 | } | |
2060 | ||
2061 | static void construct_path_with_fanout(const char *hex_sha1, | |
2062 | unsigned char fanout, char *path) | |
2063 | { | |
2064 | unsigned int i = 0, j = 0; | |
2065 | if (fanout >= 20) | |
2066 | die("Too large fanout (%u)", fanout); | |
2067 | while (fanout) { | |
2068 | path[i++] = hex_sha1[j++]; | |
2069 | path[i++] = hex_sha1[j++]; | |
2070 | path[i++] = '/'; | |
2071 | fanout--; | |
2072 | } | |
2073 | memcpy(path + i, hex_sha1 + j, 40 - j); | |
2074 | path[i + 40 - j] = '\0'; | |
2075 | } | |
2076 | ||
2077 | static uintmax_t do_change_note_fanout( | |
2078 | struct tree_entry *orig_root, struct tree_entry *root, | |
2079 | char *hex_sha1, unsigned int hex_sha1_len, | |
2080 | char *fullpath, unsigned int fullpath_len, | |
2081 | unsigned char fanout) | |
2082 | { | |
2083 | struct tree_content *t = root->tree; | |
2084 | struct tree_entry *e, leaf; | |
2085 | unsigned int i, tmp_hex_sha1_len, tmp_fullpath_len; | |
2086 | uintmax_t num_notes = 0; | |
2087 | unsigned char sha1[20]; | |
2088 | char realpath[60]; | |
2089 | ||
2090 | for (i = 0; t && i < t->entry_count; i++) { | |
2091 | e = t->entries[i]; | |
2092 | tmp_hex_sha1_len = hex_sha1_len + e->name->str_len; | |
2093 | tmp_fullpath_len = fullpath_len; | |
2094 | ||
2095 | /* | |
2096 | * We're interested in EITHER existing note entries (entries | |
2097 | * with exactly 40 hex chars in path, not including directory | |
2098 | * separators), OR directory entries that may contain note | |
2099 | * entries (with < 40 hex chars in path). | |
2100 | * Also, each path component in a note entry must be a multiple | |
2101 | * of 2 chars. | |
2102 | */ | |
2103 | if (!e->versions[1].mode || | |
2104 | tmp_hex_sha1_len > 40 || | |
2105 | e->name->str_len % 2) | |
2106 | continue; | |
2107 | ||
2108 | /* This _may_ be a note entry, or a subdir containing notes */ | |
2109 | memcpy(hex_sha1 + hex_sha1_len, e->name->str_dat, | |
2110 | e->name->str_len); | |
2111 | if (tmp_fullpath_len) | |
2112 | fullpath[tmp_fullpath_len++] = '/'; | |
2113 | memcpy(fullpath + tmp_fullpath_len, e->name->str_dat, | |
2114 | e->name->str_len); | |
2115 | tmp_fullpath_len += e->name->str_len; | |
2116 | fullpath[tmp_fullpath_len] = '\0'; | |
2117 | ||
2118 | if (tmp_hex_sha1_len == 40 && !get_sha1_hex(hex_sha1, sha1)) { | |
2119 | /* This is a note entry */ | |
2120 | construct_path_with_fanout(hex_sha1, fanout, realpath); | |
2121 | if (!strcmp(fullpath, realpath)) { | |
2122 | /* Note entry is in correct location */ | |
2123 | num_notes++; | |
2124 | continue; | |
2125 | } | |
2126 | ||
2127 | /* Rename fullpath to realpath */ | |
2128 | if (!tree_content_remove(orig_root, fullpath, &leaf)) | |
2129 | die("Failed to remove path %s", fullpath); | |
2130 | tree_content_set(orig_root, realpath, | |
2131 | leaf.versions[1].sha1, | |
2132 | leaf.versions[1].mode, | |
2133 | leaf.tree); | |
2134 | } else if (S_ISDIR(e->versions[1].mode)) { | |
2135 | /* This is a subdir that may contain note entries */ | |
2136 | if (!e->tree) | |
2137 | load_tree(e); | |
2138 | num_notes += do_change_note_fanout(orig_root, e, | |
2139 | hex_sha1, tmp_hex_sha1_len, | |
2140 | fullpath, tmp_fullpath_len, fanout); | |
2141 | } | |
2142 | ||
2143 | /* The above may have reallocated the current tree_content */ | |
2144 | t = root->tree; | |
2145 | } | |
2146 | return num_notes; | |
2147 | } | |
2148 | ||
2149 | static uintmax_t change_note_fanout(struct tree_entry *root, | |
2150 | unsigned char fanout) | |
2151 | { | |
2152 | char hex_sha1[40], path[60]; | |
2153 | return do_change_note_fanout(root, root, hex_sha1, 0, path, 0, fanout); | |
2154 | } | |
2155 | ||
463acbe1 | 2156 | static void file_change_m(struct branch *b) |
6bb5b329 | 2157 | { |
c44cdc7e | 2158 | const char *p = command_buf.buf + 2; |
7fb1011e | 2159 | static struct strbuf uq = STRBUF_INIT; |
c44cdc7e | 2160 | const char *endp; |
10e8d688 | 2161 | struct object_entry *oe = oe; |
463acbe1 | 2162 | unsigned char sha1[20]; |
10831c55 | 2163 | uint16_t mode, inline_data = 0; |
6bb5b329 | 2164 | |
c44cdc7e SP |
2165 | p = get_mode(p, &mode); |
2166 | if (!p) | |
2167 | die("Corrupt mode: %s", command_buf.buf); | |
2168 | switch (mode) { | |
3d1d81eb FC |
2169 | case 0644: |
2170 | case 0755: | |
2171 | mode |= S_IFREG; | |
c44cdc7e SP |
2172 | case S_IFREG | 0644: |
2173 | case S_IFREG | 0755: | |
ace4a9d1 | 2174 | case S_IFLNK: |
03db4525 | 2175 | case S_IFGITLINK: |
c44cdc7e SP |
2176 | /* ok */ |
2177 | break; | |
2178 | default: | |
2179 | die("Corrupt mode: %s", command_buf.buf); | |
2180 | } | |
2181 | ||
d8397168 SP |
2182 | if (*p == ':') { |
2183 | char *x; | |
0ea9f045 | 2184 | oe = find_mark(strtoumax(p + 1, &x, 10)); |
3fc366bd | 2185 | hashcpy(sha1, oe->idx.sha1); |
d8397168 | 2186 | p = x; |
599065a3 | 2187 | } else if (!prefixcmp(p, "inline")) { |
b715cfbb SP |
2188 | inline_data = 1; |
2189 | p += 6; | |
d8397168 SP |
2190 | } else { |
2191 | if (get_sha1_hex(p, sha1)) | |
2192 | die("Invalid SHA1: %s", command_buf.buf); | |
2193 | oe = find_object(sha1); | |
2194 | p += 40; | |
2195 | } | |
c44cdc7e SP |
2196 | if (*p++ != ' ') |
2197 | die("Missing space after SHA1: %s", command_buf.buf); | |
2198 | ||
7fb1011e PH |
2199 | strbuf_reset(&uq); |
2200 | if (!unquote_c_style(&uq, p, &endp)) { | |
c44cdc7e SP |
2201 | if (*endp) |
2202 | die("Garbage after path in: %s", command_buf.buf); | |
7fb1011e | 2203 | p = uq.buf; |
c44cdc7e | 2204 | } |
6bb5b329 | 2205 | |
03db4525 AG |
2206 | if (S_ISGITLINK(mode)) { |
2207 | if (inline_data) | |
2208 | die("Git links cannot be specified 'inline': %s", | |
2209 | command_buf.buf); | |
2210 | else if (oe) { | |
2211 | if (oe->type != OBJ_COMMIT) | |
2212 | die("Not a commit (actually a %s): %s", | |
2213 | typename(oe->type), command_buf.buf); | |
2214 | } | |
2215 | /* | |
2216 | * Accept the sha1 without checking; it expected to be in | |
2217 | * another repository. | |
2218 | */ | |
2219 | } else if (inline_data) { | |
7fb1011e PH |
2220 | if (p != uq.buf) { |
2221 | strbuf_addstr(&uq, p); | |
2222 | p = uq.buf; | |
2223 | } | |
b715cfbb | 2224 | read_next_command(); |
5eef828b | 2225 | parse_and_store_blob(&last_blob, sha1, 0); |
b715cfbb | 2226 | } else if (oe) { |
7111feed | 2227 | if (oe->type != OBJ_BLOB) |
c44cdc7e | 2228 | die("Not a blob (actually a %s): %s", |
2005dbe2 | 2229 | typename(oe->type), command_buf.buf); |
7111feed | 2230 | } else { |
21666f1a NP |
2231 | enum object_type type = sha1_object_info(sha1, NULL); |
2232 | if (type < 0) | |
c44cdc7e | 2233 | die("Blob not found: %s", command_buf.buf); |
21666f1a | 2234 | if (type != OBJ_BLOB) |
c44cdc7e | 2235 | die("Not a blob (actually a %s): %s", |
21666f1a | 2236 | typename(type), command_buf.buf); |
7111feed | 2237 | } |
6bb5b329 | 2238 | |
3d1d81eb | 2239 | tree_content_set(&b->branch_tree, p, sha1, mode, NULL); |
463acbe1 | 2240 | } |
6bb5b329 | 2241 | |
463acbe1 SP |
2242 | static void file_change_d(struct branch *b) |
2243 | { | |
c44cdc7e | 2244 | const char *p = command_buf.buf + 2; |
7fb1011e | 2245 | static struct strbuf uq = STRBUF_INIT; |
c44cdc7e SP |
2246 | const char *endp; |
2247 | ||
7fb1011e PH |
2248 | strbuf_reset(&uq); |
2249 | if (!unquote_c_style(&uq, p, &endp)) { | |
c44cdc7e SP |
2250 | if (*endp) |
2251 | die("Garbage after path in: %s", command_buf.buf); | |
7fb1011e | 2252 | p = uq.buf; |
c44cdc7e | 2253 | } |
f39a946a | 2254 | tree_content_remove(&b->branch_tree, p, NULL); |
6bb5b329 SP |
2255 | } |
2256 | ||
b6f3481b | 2257 | static void file_change_cr(struct branch *b, int rename) |
f39a946a SP |
2258 | { |
2259 | const char *s, *d; | |
7fb1011e PH |
2260 | static struct strbuf s_uq = STRBUF_INIT; |
2261 | static struct strbuf d_uq = STRBUF_INIT; | |
f39a946a SP |
2262 | const char *endp; |
2263 | struct tree_entry leaf; | |
2264 | ||
2265 | s = command_buf.buf + 2; | |
7fb1011e PH |
2266 | strbuf_reset(&s_uq); |
2267 | if (!unquote_c_style(&s_uq, s, &endp)) { | |
f39a946a SP |
2268 | if (*endp != ' ') |
2269 | die("Missing space after source: %s", command_buf.buf); | |
7fb1011e | 2270 | } else { |
f39a946a SP |
2271 | endp = strchr(s, ' '); |
2272 | if (!endp) | |
2273 | die("Missing space after source: %s", command_buf.buf); | |
7fb1011e | 2274 | strbuf_add(&s_uq, s, endp - s); |
f39a946a | 2275 | } |
7fb1011e | 2276 | s = s_uq.buf; |
f39a946a SP |
2277 | |
2278 | endp++; | |
2279 | if (!*endp) | |
2280 | die("Missing dest: %s", command_buf.buf); | |
2281 | ||
2282 | d = endp; | |
7fb1011e PH |
2283 | strbuf_reset(&d_uq); |
2284 | if (!unquote_c_style(&d_uq, d, &endp)) { | |
f39a946a SP |
2285 | if (*endp) |
2286 | die("Garbage after dest in: %s", command_buf.buf); | |
7fb1011e | 2287 | d = d_uq.buf; |
f39a946a SP |
2288 | } |
2289 | ||
2290 | memset(&leaf, 0, sizeof(leaf)); | |
b6f3481b SP |
2291 | if (rename) |
2292 | tree_content_remove(&b->branch_tree, s, &leaf); | |
2293 | else | |
2294 | tree_content_get(&b->branch_tree, s, &leaf); | |
f39a946a SP |
2295 | if (!leaf.versions[1].mode) |
2296 | die("Path %s not in branch", s); | |
2297 | tree_content_set(&b->branch_tree, d, | |
2298 | leaf.versions[1].sha1, | |
2299 | leaf.versions[1].mode, | |
2300 | leaf.tree); | |
f39a946a SP |
2301 | } |
2302 | ||
2a113aee | 2303 | static void note_change_n(struct branch *b, unsigned char old_fanout) |
a8dd2e7d JH |
2304 | { |
2305 | const char *p = command_buf.buf + 2; | |
2306 | static struct strbuf uq = STRBUF_INIT; | |
2307 | struct object_entry *oe = oe; | |
2308 | struct branch *s; | |
2309 | unsigned char sha1[20], commit_sha1[20]; | |
2a113aee | 2310 | char path[60]; |
a8dd2e7d | 2311 | uint16_t inline_data = 0; |
2a113aee | 2312 | unsigned char new_fanout; |
a8dd2e7d JH |
2313 | |
2314 | /* <dataref> or 'inline' */ | |
2315 | if (*p == ':') { | |
2316 | char *x; | |
2317 | oe = find_mark(strtoumax(p + 1, &x, 10)); | |
3fc366bd | 2318 | hashcpy(sha1, oe->idx.sha1); |
a8dd2e7d JH |
2319 | p = x; |
2320 | } else if (!prefixcmp(p, "inline")) { | |
2321 | inline_data = 1; | |
2322 | p += 6; | |
2323 | } else { | |
2324 | if (get_sha1_hex(p, sha1)) | |
2325 | die("Invalid SHA1: %s", command_buf.buf); | |
2326 | oe = find_object(sha1); | |
2327 | p += 40; | |
2328 | } | |
2329 | if (*p++ != ' ') | |
2330 | die("Missing space after SHA1: %s", command_buf.buf); | |
2331 | ||
2332 | /* <committish> */ | |
2333 | s = lookup_branch(p); | |
2334 | if (s) { | |
2335 | hashcpy(commit_sha1, s->sha1); | |
2336 | } else if (*p == ':') { | |
2337 | uintmax_t commit_mark = strtoumax(p + 1, NULL, 10); | |
2338 | struct object_entry *commit_oe = find_mark(commit_mark); | |
2339 | if (commit_oe->type != OBJ_COMMIT) | |
2340 | die("Mark :%" PRIuMAX " not a commit", commit_mark); | |
3fc366bd | 2341 | hashcpy(commit_sha1, commit_oe->idx.sha1); |
a8dd2e7d JH |
2342 | } else if (!get_sha1(p, commit_sha1)) { |
2343 | unsigned long size; | |
2344 | char *buf = read_object_with_reference(commit_sha1, | |
2345 | commit_type, &size, commit_sha1); | |
2346 | if (!buf || size < 46) | |
2347 | die("Not a valid commit: %s", p); | |
2348 | free(buf); | |
2349 | } else | |
2350 | die("Invalid ref name or SHA1 expression: %s", p); | |
2351 | ||
2352 | if (inline_data) { | |
a8dd2e7d JH |
2353 | if (p != uq.buf) { |
2354 | strbuf_addstr(&uq, p); | |
2355 | p = uq.buf; | |
2356 | } | |
2357 | read_next_command(); | |
5eef828b | 2358 | parse_and_store_blob(&last_blob, sha1, 0); |
a8dd2e7d JH |
2359 | } else if (oe) { |
2360 | if (oe->type != OBJ_BLOB) | |
2361 | die("Not a blob (actually a %s): %s", | |
2362 | typename(oe->type), command_buf.buf); | |
2a113aee | 2363 | } else if (!is_null_sha1(sha1)) { |
a8dd2e7d JH |
2364 | enum object_type type = sha1_object_info(sha1, NULL); |
2365 | if (type < 0) | |
2366 | die("Blob not found: %s", command_buf.buf); | |
2367 | if (type != OBJ_BLOB) | |
2368 | die("Not a blob (actually a %s): %s", | |
2369 | typename(type), command_buf.buf); | |
2370 | } | |
2371 | ||
2a113aee JH |
2372 | construct_path_with_fanout(sha1_to_hex(commit_sha1), old_fanout, path); |
2373 | if (tree_content_remove(&b->branch_tree, path, NULL)) | |
2374 | b->num_notes--; | |
2375 | ||
2376 | if (is_null_sha1(sha1)) | |
2377 | return; /* nothing to insert */ | |
2378 | ||
2379 | b->num_notes++; | |
2380 | new_fanout = convert_num_notes_to_fanout(b->num_notes); | |
2381 | construct_path_with_fanout(sha1_to_hex(commit_sha1), new_fanout, path); | |
2382 | tree_content_set(&b->branch_tree, path, sha1, S_IFREG | 0644, NULL); | |
a8dd2e7d JH |
2383 | } |
2384 | ||
825769a8 SP |
2385 | static void file_change_deleteall(struct branch *b) |
2386 | { | |
2387 | release_tree_content_recursive(b->branch_tree.tree); | |
2388 | hashclr(b->branch_tree.versions[0].sha1); | |
2389 | hashclr(b->branch_tree.versions[1].sha1); | |
2390 | load_tree(&b->branch_tree); | |
2a113aee | 2391 | b->num_notes = 0; |
825769a8 SP |
2392 | } |
2393 | ||
b3031781 | 2394 | static void parse_from_commit(struct branch *b, char *buf, unsigned long size) |
654aaa37 SP |
2395 | { |
2396 | if (!buf || size < 46) | |
2397 | die("Not a valid commit: %s", sha1_to_hex(b->sha1)); | |
2398 | if (memcmp("tree ", buf, 5) | |
2399 | || get_sha1_hex(buf + 5, b->branch_tree.versions[1].sha1)) | |
2400 | die("The commit %s is corrupt", sha1_to_hex(b->sha1)); | |
2401 | hashcpy(b->branch_tree.versions[0].sha1, | |
2402 | b->branch_tree.versions[1].sha1); | |
2403 | } | |
2404 | ||
b3031781 | 2405 | static void parse_from_existing(struct branch *b) |
654aaa37 SP |
2406 | { |
2407 | if (is_null_sha1(b->sha1)) { | |
2408 | hashclr(b->branch_tree.versions[0].sha1); | |
2409 | hashclr(b->branch_tree.versions[1].sha1); | |
2410 | } else { | |
2411 | unsigned long size; | |
2412 | char *buf; | |
2413 | ||
2414 | buf = read_object_with_reference(b->sha1, | |
2415 | commit_type, &size, b->sha1); | |
b3031781 | 2416 | parse_from_commit(b, buf, size); |
654aaa37 SP |
2417 | free(buf); |
2418 | } | |
2419 | } | |
2420 | ||
b3031781 | 2421 | static int parse_from(struct branch *b) |
00e2b884 | 2422 | { |
6c3aac1c | 2423 | const char *from; |
00e2b884 SP |
2424 | struct branch *s; |
2425 | ||
599065a3 | 2426 | if (prefixcmp(command_buf.buf, "from ")) |
1fdb649c | 2427 | return 0; |
00e2b884 | 2428 | |
ea5e370a SP |
2429 | if (b->branch_tree.tree) { |
2430 | release_tree_content_recursive(b->branch_tree.tree); | |
2431 | b->branch_tree.tree = NULL; | |
2432 | } | |
00e2b884 SP |
2433 | |
2434 | from = strchr(command_buf.buf, ' ') + 1; | |
00e2b884 SP |
2435 | s = lookup_branch(from); |
2436 | if (b == s) | |
2437 | die("Can't create a branch from itself: %s", b->name); | |
2438 | else if (s) { | |
4cabf858 | 2439 | unsigned char *t = s->branch_tree.versions[1].sha1; |
445b8599 | 2440 | hashcpy(b->sha1, s->sha1); |
4cabf858 SP |
2441 | hashcpy(b->branch_tree.versions[0].sha1, t); |
2442 | hashcpy(b->branch_tree.versions[1].sha1, t); | |
00e2b884 | 2443 | } else if (*from == ':') { |
0ea9f045 | 2444 | uintmax_t idnum = strtoumax(from + 1, NULL, 10); |
00e2b884 | 2445 | struct object_entry *oe = find_mark(idnum); |
00e2b884 | 2446 | if (oe->type != OBJ_COMMIT) |
3efb1f34 | 2447 | die("Mark :%" PRIuMAX " not a commit", idnum); |
3fc366bd | 2448 | hashcpy(b->sha1, oe->idx.sha1); |
aac65ed1 | 2449 | if (oe->pack_id != MAX_PACK_ID) { |
00e2b884 | 2450 | unsigned long size; |
aac65ed1 | 2451 | char *buf = gfi_unpack_entry(oe, &size); |
b3031781 | 2452 | parse_from_commit(b, buf, size); |
00e2b884 | 2453 | free(buf); |
aac65ed1 | 2454 | } else |
b3031781 | 2455 | parse_from_existing(b); |
654aaa37 | 2456 | } else if (!get_sha1(from, b->sha1)) |
b3031781 | 2457 | parse_from_existing(b); |
654aaa37 | 2458 | else |
00e2b884 SP |
2459 | die("Invalid ref name or SHA1 expression: %s", from); |
2460 | ||
2461 | read_next_command(); | |
1fdb649c | 2462 | return 1; |
00e2b884 SP |
2463 | } |
2464 | ||
b3031781 | 2465 | static struct hash_list *parse_merge(unsigned int *count) |
62b6f483 | 2466 | { |
10e8d688 | 2467 | struct hash_list *list = NULL, *n, *e = e; |
6c3aac1c | 2468 | const char *from; |
62b6f483 SP |
2469 | struct branch *s; |
2470 | ||
2471 | *count = 0; | |
599065a3 | 2472 | while (!prefixcmp(command_buf.buf, "merge ")) { |
62b6f483 | 2473 | from = strchr(command_buf.buf, ' ') + 1; |
62b6f483 SP |
2474 | n = xmalloc(sizeof(*n)); |
2475 | s = lookup_branch(from); | |
2476 | if (s) | |
2477 | hashcpy(n->sha1, s->sha1); | |
2478 | else if (*from == ':') { | |
0ea9f045 | 2479 | uintmax_t idnum = strtoumax(from + 1, NULL, 10); |
62b6f483 SP |
2480 | struct object_entry *oe = find_mark(idnum); |
2481 | if (oe->type != OBJ_COMMIT) | |
3efb1f34 | 2482 | die("Mark :%" PRIuMAX " not a commit", idnum); |
3fc366bd | 2483 | hashcpy(n->sha1, oe->idx.sha1); |
2f6dc35d SP |
2484 | } else if (!get_sha1(from, n->sha1)) { |
2485 | unsigned long size; | |
2486 | char *buf = read_object_with_reference(n->sha1, | |
6b4318e6 | 2487 | commit_type, &size, n->sha1); |
2f6dc35d SP |
2488 | if (!buf || size < 46) |
2489 | die("Not a valid commit: %s", from); | |
2490 | free(buf); | |
2491 | } else | |
62b6f483 SP |
2492 | die("Invalid ref name or SHA1 expression: %s", from); |
2493 | ||
2494 | n->next = NULL; | |
2495 | if (list) | |
2496 | e->next = n; | |
2497 | else | |
2498 | list = n; | |
2499 | e = n; | |
10e8d688 | 2500 | (*count)++; |
62b6f483 SP |
2501 | read_next_command(); |
2502 | } | |
2503 | return list; | |
2504 | } | |
2505 | ||
b3031781 | 2506 | static void parse_new_commit(void) |
6bb5b329 | 2507 | { |
eec813cf | 2508 | static struct strbuf msg = STRBUF_INIT; |
c44cdc7e | 2509 | struct branch *b; |
c44cdc7e SP |
2510 | char *sp; |
2511 | char *author = NULL; | |
2512 | char *committer = NULL; | |
62b6f483 SP |
2513 | struct hash_list *merge_list = NULL; |
2514 | unsigned int merge_count; | |
2a113aee | 2515 | unsigned char prev_fanout, new_fanout; |
c44cdc7e SP |
2516 | |
2517 | /* Obtain the branch name from the rest of our command */ | |
2518 | sp = strchr(command_buf.buf, ' ') + 1; | |
c44cdc7e | 2519 | b = lookup_branch(sp); |
463acbe1 | 2520 | if (!b) |
00e2b884 | 2521 | b = new_branch(sp); |
c44cdc7e SP |
2522 | |
2523 | read_next_command(); | |
b3031781 | 2524 | parse_mark(); |
599065a3 | 2525 | if (!prefixcmp(command_buf.buf, "author ")) { |
63e0c8b3 | 2526 | author = parse_ident(command_buf.buf + 7); |
c44cdc7e SP |
2527 | read_next_command(); |
2528 | } | |
599065a3 | 2529 | if (!prefixcmp(command_buf.buf, "committer ")) { |
63e0c8b3 | 2530 | committer = parse_ident(command_buf.buf + 10); |
c44cdc7e SP |
2531 | read_next_command(); |
2532 | } | |
2533 | if (!committer) | |
2534 | die("Expected committer but didn't get one"); | |
5eef828b | 2535 | parse_data(&msg, 0, NULL); |
02f3389d | 2536 | read_next_command(); |
b3031781 MV |
2537 | parse_from(b); |
2538 | merge_list = parse_merge(&merge_count); | |
c44cdc7e SP |
2539 | |
2540 | /* ensure the branch is active/loaded */ | |
41e5257f | 2541 | if (!b->branch_tree.tree || !max_active_branches) { |
463acbe1 SP |
2542 | unload_one_branch(); |
2543 | load_branch(b); | |
2544 | } | |
6bb5b329 | 2545 | |
2a113aee JH |
2546 | prev_fanout = convert_num_notes_to_fanout(b->num_notes); |
2547 | ||
463acbe1 | 2548 | /* file_change* */ |
e6c019d0 | 2549 | while (command_buf.len > 0) { |
1fdb649c | 2550 | if (!prefixcmp(command_buf.buf, "M ")) |
463acbe1 | 2551 | file_change_m(b); |
599065a3 | 2552 | else if (!prefixcmp(command_buf.buf, "D ")) |
463acbe1 | 2553 | file_change_d(b); |
f39a946a | 2554 | else if (!prefixcmp(command_buf.buf, "R ")) |
b6f3481b SP |
2555 | file_change_cr(b, 1); |
2556 | else if (!prefixcmp(command_buf.buf, "C ")) | |
2557 | file_change_cr(b, 0); | |
a8dd2e7d | 2558 | else if (!prefixcmp(command_buf.buf, "N ")) |
2a113aee | 2559 | note_change_n(b, prev_fanout); |
825769a8 SP |
2560 | else if (!strcmp("deleteall", command_buf.buf)) |
2561 | file_change_deleteall(b); | |
1fdb649c SP |
2562 | else { |
2563 | unread_command_buf = 1; | |
2564 | break; | |
2565 | } | |
e6c019d0 PH |
2566 | if (read_next_command() == EOF) |
2567 | break; | |
6bb5b329 | 2568 | } |
6bb5b329 | 2569 | |
2a113aee JH |
2570 | new_fanout = convert_num_notes_to_fanout(b->num_notes); |
2571 | if (new_fanout != prev_fanout) | |
2572 | b->num_notes = change_note_fanout(&b->branch_tree, new_fanout); | |
2573 | ||
c44cdc7e | 2574 | /* build the tree and the commit */ |
463acbe1 | 2575 | store_tree(&b->branch_tree); |
8a8c55ea SP |
2576 | hashcpy(b->branch_tree.versions[0].sha1, |
2577 | b->branch_tree.versions[1].sha1); | |
eec813cf PH |
2578 | |
2579 | strbuf_reset(&new_data); | |
2580 | strbuf_addf(&new_data, "tree %s\n", | |
4cabf858 | 2581 | sha1_to_hex(b->branch_tree.versions[1].sha1)); |
445b8599 | 2582 | if (!is_null_sha1(b->sha1)) |
eec813cf | 2583 | strbuf_addf(&new_data, "parent %s\n", sha1_to_hex(b->sha1)); |
62b6f483 SP |
2584 | while (merge_list) { |
2585 | struct hash_list *next = merge_list->next; | |
eec813cf | 2586 | strbuf_addf(&new_data, "parent %s\n", sha1_to_hex(merge_list->sha1)); |
62b6f483 SP |
2587 | free(merge_list); |
2588 | merge_list = next; | |
2589 | } | |
eec813cf PH |
2590 | strbuf_addf(&new_data, |
2591 | "author %s\n" | |
2592 | "committer %s\n" | |
2593 | "\n", | |
2594 | author ? author : committer, committer); | |
2595 | strbuf_addbuf(&new_data, &msg); | |
e7d06a4b | 2596 | free(author); |
c44cdc7e | 2597 | free(committer); |
c44cdc7e | 2598 | |
eec813cf | 2599 | if (!store_object(OBJ_COMMIT, &new_data, NULL, b->sha1, next_mark)) |
69e74e74 | 2600 | b->pack_id = pack_id; |
463acbe1 | 2601 | b->last_commit = object_count_by_type[OBJ_COMMIT]; |
6bb5b329 SP |
2602 | } |
2603 | ||
b3031781 | 2604 | static void parse_new_tag(void) |
72303d44 | 2605 | { |
eec813cf | 2606 | static struct strbuf msg = STRBUF_INIT; |
72303d44 SP |
2607 | char *sp; |
2608 | const char *from; | |
2609 | char *tagger; | |
2610 | struct branch *s; | |
72303d44 | 2611 | struct tag *t; |
0ea9f045 | 2612 | uintmax_t from_mark = 0; |
72303d44 | 2613 | unsigned char sha1[20]; |
8db751a8 | 2614 | enum object_type type; |
72303d44 SP |
2615 | |
2616 | /* Obtain the new tag name from the rest of our command */ | |
2617 | sp = strchr(command_buf.buf, ' ') + 1; | |
72303d44 SP |
2618 | t = pool_alloc(sizeof(struct tag)); |
2619 | t->next_tag = NULL; | |
2620 | t->name = pool_strdup(sp); | |
2621 | if (last_tag) | |
2622 | last_tag->next_tag = t; | |
2623 | else | |
2624 | first_tag = t; | |
2625 | last_tag = t; | |
72303d44 SP |
2626 | read_next_command(); |
2627 | ||
2628 | /* from ... */ | |
599065a3 | 2629 | if (prefixcmp(command_buf.buf, "from ")) |
72303d44 | 2630 | die("Expected from command, got %s", command_buf.buf); |
72303d44 | 2631 | from = strchr(command_buf.buf, ' ') + 1; |
72303d44 SP |
2632 | s = lookup_branch(from); |
2633 | if (s) { | |
445b8599 | 2634 | hashcpy(sha1, s->sha1); |
8db751a8 | 2635 | type = OBJ_COMMIT; |
72303d44 | 2636 | } else if (*from == ':') { |
10e8d688 | 2637 | struct object_entry *oe; |
0ea9f045 | 2638 | from_mark = strtoumax(from + 1, NULL, 10); |
10e8d688 | 2639 | oe = find_mark(from_mark); |
8db751a8 | 2640 | type = oe->type; |
3fc366bd | 2641 | hashcpy(sha1, oe->idx.sha1); |
72303d44 SP |
2642 | } else if (!get_sha1(from, sha1)) { |
2643 | unsigned long size; | |
2644 | char *buf; | |
2645 | ||
8db751a8 | 2646 | buf = read_sha1_file(sha1, &type, &size); |
72303d44 SP |
2647 | if (!buf || size < 46) |
2648 | die("Not a valid commit: %s", from); | |
2649 | free(buf); | |
2650 | } else | |
2651 | die("Invalid ref name or SHA1 expression: %s", from); | |
72303d44 SP |
2652 | read_next_command(); |
2653 | ||
2654 | /* tagger ... */ | |
88fbf67b JH |
2655 | if (!prefixcmp(command_buf.buf, "tagger ")) { |
2656 | tagger = parse_ident(command_buf.buf + 7); | |
2657 | read_next_command(); | |
2658 | } else | |
2659 | tagger = NULL; | |
72303d44 SP |
2660 | |
2661 | /* tag payload/message */ | |
5eef828b | 2662 | parse_data(&msg, 0, NULL); |
72303d44 SP |
2663 | |
2664 | /* build the tag object */ | |
eec813cf | 2665 | strbuf_reset(&new_data); |
88fbf67b | 2666 | |
eec813cf | 2667 | strbuf_addf(&new_data, |
88fbf67b JH |
2668 | "object %s\n" |
2669 | "type %s\n" | |
2670 | "tag %s\n", | |
8db751a8 | 2671 | sha1_to_hex(sha1), typename(type), t->name); |
88fbf67b JH |
2672 | if (tagger) |
2673 | strbuf_addf(&new_data, | |
2674 | "tagger %s\n", tagger); | |
2675 | strbuf_addch(&new_data, '\n'); | |
eec813cf | 2676 | strbuf_addbuf(&new_data, &msg); |
72303d44 | 2677 | free(tagger); |
72303d44 | 2678 | |
eec813cf | 2679 | if (store_object(OBJ_TAG, &new_data, NULL, t->sha1, 0)) |
69e74e74 SP |
2680 | t->pack_id = MAX_PACK_ID; |
2681 | else | |
2682 | t->pack_id = pack_id; | |
72303d44 SP |
2683 | } |
2684 | ||
b3031781 | 2685 | static void parse_reset_branch(void) |
5fced8dc SP |
2686 | { |
2687 | struct branch *b; | |
5fced8dc SP |
2688 | char *sp; |
2689 | ||
2690 | /* Obtain the branch name from the rest of our command */ | |
2691 | sp = strchr(command_buf.buf, ' ') + 1; | |
5fced8dc SP |
2692 | b = lookup_branch(sp); |
2693 | if (b) { | |
ea5e370a SP |
2694 | hashclr(b->sha1); |
2695 | hashclr(b->branch_tree.versions[0].sha1); | |
2696 | hashclr(b->branch_tree.versions[1].sha1); | |
5fced8dc SP |
2697 | if (b->branch_tree.tree) { |
2698 | release_tree_content_recursive(b->branch_tree.tree); | |
2699 | b->branch_tree.tree = NULL; | |
2700 | } | |
2701 | } | |
9938ffc5 SP |
2702 | else |
2703 | b = new_branch(sp); | |
9938ffc5 | 2704 | read_next_command(); |
b3031781 | 2705 | parse_from(b); |
655e8515 | 2706 | if (command_buf.len > 0) |
1fdb649c | 2707 | unread_command_buf = 1; |
5fced8dc SP |
2708 | } |
2709 | ||
b3031781 | 2710 | static void parse_checkpoint(void) |
7bfe6e26 | 2711 | { |
820b9310 SP |
2712 | if (object_count) { |
2713 | cycle_packfile(); | |
2714 | dump_branches(); | |
2715 | dump_tags(); | |
2716 | dump_marks(); | |
2717 | } | |
1fdb649c | 2718 | skip_optional_lf(); |
7bfe6e26 SP |
2719 | } |
2720 | ||
b3031781 | 2721 | static void parse_progress(void) |
ac053c02 | 2722 | { |
b449f4cf | 2723 | fwrite(command_buf.buf, 1, command_buf.len, stdout); |
ac053c02 SP |
2724 | fputc('\n', stdout); |
2725 | fflush(stdout); | |
2726 | skip_optional_lf(); | |
2727 | } | |
2728 | ||
bc3c79ae | 2729 | static char* make_fast_import_path(const char *path) |
e8438420 | 2730 | { |
bc3c79ae | 2731 | struct strbuf abs_path = STRBUF_INIT; |
e8438420 | 2732 | |
bc3c79ae SR |
2733 | if (!relative_marks_paths || is_absolute_path(path)) |
2734 | return xstrdup(path); | |
2735 | strbuf_addf(&abs_path, "%s/info/fast-import/%s", get_git_dir(), path); | |
2736 | return strbuf_detach(&abs_path, NULL); | |
2737 | } | |
2738 | ||
081751c8 | 2739 | static void option_import_marks(const char *marks, int from_stream) |
e8438420 | 2740 | { |
081751c8 SR |
2741 | if (import_marks_file) { |
2742 | if (from_stream) | |
2743 | die("Only one import-marks command allowed per stream"); | |
2744 | ||
2745 | /* read previous mark file */ | |
2746 | if(!import_marks_file_from_stream) | |
2747 | read_marks(); | |
e8438420 | 2748 | } |
081751c8 | 2749 | |
bc3c79ae | 2750 | import_marks_file = make_fast_import_path(marks); |
081751c8 | 2751 | import_marks_file_from_stream = from_stream; |
e8438420 SP |
2752 | } |
2753 | ||
0f6927c2 SR |
2754 | static void option_date_format(const char *fmt) |
2755 | { | |
2756 | if (!strcmp(fmt, "raw")) | |
2757 | whenspec = WHENSPEC_RAW; | |
2758 | else if (!strcmp(fmt, "rfc2822")) | |
2759 | whenspec = WHENSPEC_RFC2822; | |
2760 | else if (!strcmp(fmt, "now")) | |
2761 | whenspec = WHENSPEC_NOW; | |
2762 | else | |
2763 | die("unknown --date-format argument %s", fmt); | |
2764 | } | |
2765 | ||
0f6927c2 SR |
2766 | static void option_depth(const char *depth) |
2767 | { | |
2768 | max_depth = strtoul(depth, NULL, 0); | |
2769 | if (max_depth > MAX_DEPTH) | |
2770 | die("--depth cannot exceed %u", MAX_DEPTH); | |
2771 | } | |
2772 | ||
2773 | static void option_active_branches(const char *branches) | |
2774 | { | |
2775 | max_active_branches = strtoul(branches, NULL, 0); | |
2776 | } | |
2777 | ||
2778 | static void option_export_marks(const char *marks) | |
2779 | { | |
bc3c79ae | 2780 | export_marks_file = make_fast_import_path(marks); |
0f6927c2 SR |
2781 | } |
2782 | ||
2783 | static void option_export_pack_edges(const char *edges) | |
2784 | { | |
2785 | if (pack_edges) | |
2786 | fclose(pack_edges); | |
2787 | pack_edges = fopen(edges, "a"); | |
2788 | if (!pack_edges) | |
2789 | die_errno("Cannot open '%s'", edges); | |
2790 | } | |
2791 | ||
9c8398f0 | 2792 | static int parse_one_option(const char *option) |
0f6927c2 | 2793 | { |
9c8398f0 | 2794 | if (!prefixcmp(option, "max-pack-size=")) { |
4d0cc224 JH |
2795 | unsigned long v; |
2796 | if (!git_parse_ulong(option + 14, &v)) | |
2797 | return 0; | |
2798 | if (v < 8192) { | |
2799 | warning("max-pack-size is now in bytes, assuming --max-pack-size=%lum", v); | |
2800 | v *= 1024 * 1024; | |
2801 | } else if (v < 1024 * 1024) { | |
2802 | warning("minimum max-pack-size is 1 MiB"); | |
2803 | v = 1024 * 1024; | |
2804 | } | |
2805 | max_packsize = v; | |
844ad3d9 | 2806 | } else if (!prefixcmp(option, "big-file-threshold=")) { |
76ea93cc JH |
2807 | unsigned long v; |
2808 | if (!git_parse_ulong(option + 19, &v)) | |
2809 | return 0; | |
2810 | big_file_threshold = v; | |
0f6927c2 SR |
2811 | } else if (!prefixcmp(option, "depth=")) { |
2812 | option_depth(option + 6); | |
2813 | } else if (!prefixcmp(option, "active-branches=")) { | |
2814 | option_active_branches(option + 16); | |
0f6927c2 SR |
2815 | } else if (!prefixcmp(option, "export-pack-edges=")) { |
2816 | option_export_pack_edges(option + 18); | |
0f6927c2 SR |
2817 | } else if (!prefixcmp(option, "quiet")) { |
2818 | show_stats = 0; | |
2819 | } else if (!prefixcmp(option, "stats")) { | |
2820 | show_stats = 1; | |
2821 | } else { | |
9c8398f0 | 2822 | return 0; |
0f6927c2 | 2823 | } |
9c8398f0 SR |
2824 | |
2825 | return 1; | |
0f6927c2 SR |
2826 | } |
2827 | ||
081751c8 | 2828 | static int parse_one_feature(const char *feature, int from_stream) |
f963bd5d SR |
2829 | { |
2830 | if (!prefixcmp(feature, "date-format=")) { | |
2831 | option_date_format(feature + 12); | |
2832 | } else if (!prefixcmp(feature, "import-marks=")) { | |
081751c8 | 2833 | option_import_marks(feature + 13, from_stream); |
f963bd5d SR |
2834 | } else if (!prefixcmp(feature, "export-marks=")) { |
2835 | option_export_marks(feature + 13); | |
bc3c79ae SR |
2836 | } else if (!prefixcmp(feature, "relative-marks")) { |
2837 | relative_marks_paths = 1; | |
2838 | } else if (!prefixcmp(feature, "no-relative-marks")) { | |
2839 | relative_marks_paths = 0; | |
f963bd5d SR |
2840 | } else if (!prefixcmp(feature, "force")) { |
2841 | force_update = 1; | |
2842 | } else { | |
2843 | return 0; | |
2844 | } | |
2845 | ||
2846 | return 1; | |
2847 | } | |
2848 | ||
2849 | static void parse_feature(void) | |
2850 | { | |
2851 | char *feature = command_buf.buf + 8; | |
2852 | ||
2853 | if (seen_data_command) | |
2854 | die("Got feature command '%s' after data command", feature); | |
2855 | ||
081751c8 | 2856 | if (parse_one_feature(feature, 1)) |
f963bd5d SR |
2857 | return; |
2858 | ||
2859 | die("This version of fast-import does not support feature %s.", feature); | |
2860 | } | |
2861 | ||
9c8398f0 SR |
2862 | static void parse_option(void) |
2863 | { | |
2864 | char *option = command_buf.buf + 11; | |
2865 | ||
2866 | if (seen_data_command) | |
2867 | die("Got option command '%s' after data command", option); | |
2868 | ||
2869 | if (parse_one_option(option)) | |
2870 | return; | |
2871 | ||
2872 | die("This version of fast-import does not support option: %s", option); | |
e8438420 SP |
2873 | } |
2874 | ||
ef90d6d4 | 2875 | static int git_pack_config(const char *k, const char *v, void *cb) |
bb23fdfa SP |
2876 | { |
2877 | if (!strcmp(k, "pack.depth")) { | |
2878 | max_depth = git_config_int(k, v); | |
2879 | if (max_depth > MAX_DEPTH) | |
2880 | max_depth = MAX_DEPTH; | |
2881 | return 0; | |
2882 | } | |
2883 | if (!strcmp(k, "pack.compression")) { | |
2884 | int level = git_config_int(k, v); | |
2885 | if (level == -1) | |
2886 | level = Z_DEFAULT_COMPRESSION; | |
2887 | else if (level < 0 || level > Z_BEST_COMPRESSION) | |
2888 | die("bad pack compression level %d", level); | |
2889 | pack_compression_level = level; | |
2890 | pack_compression_seen = 1; | |
2891 | return 0; | |
2892 | } | |
5eef828b SP |
2893 | if (!strcmp(k, "core.bigfilethreshold")) { |
2894 | long n = git_config_int(k, v); | |
2895 | big_file_threshold = 0 < n ? n : 0; | |
2896 | } | |
ef90d6d4 | 2897 | return git_default_config(k, v, cb); |
bb23fdfa SP |
2898 | } |
2899 | ||
d5c57b28 | 2900 | static const char fast_import_usage[] = |
5eef828b | 2901 | "git fast-import [--date-format=f] [--max-pack-size=n] [--big-file-threshold=n] [--depth=n] [--active-branches=n] [--export-marks=marks.file]"; |
d5c57b28 | 2902 | |
9c8398f0 SR |
2903 | static void parse_argv(void) |
2904 | { | |
2905 | unsigned int i; | |
2906 | ||
2907 | for (i = 1; i < global_argc; i++) { | |
2908 | const char *a = global_argv[i]; | |
2909 | ||
2910 | if (*a != '-' || !strcmp(a, "--")) | |
2911 | break; | |
2912 | ||
2913 | if (parse_one_option(a + 2)) | |
2914 | continue; | |
2915 | ||
081751c8 | 2916 | if (parse_one_feature(a + 2, 0)) |
9c8398f0 SR |
2917 | continue; |
2918 | ||
2919 | die("unknown option %s", a); | |
2920 | } | |
2921 | if (i != global_argc) | |
2922 | usage(fast_import_usage); | |
2923 | ||
2924 | seen_data_command = 1; | |
2925 | if (import_marks_file) | |
2926 | read_marks(); | |
2927 | } | |
2928 | ||
8bcce301 SP |
2929 | int main(int argc, const char **argv) |
2930 | { | |
0f6927c2 | 2931 | unsigned int i; |
8bcce301 | 2932 | |
2fb3f6db SP |
2933 | git_extract_argv0_path(argv[0]); |
2934 | ||
71a04a8b JN |
2935 | if (argc == 2 && !strcmp(argv[1], "-h")) |
2936 | usage(fast_import_usage); | |
2937 | ||
733ee2b7 | 2938 | setup_git_directory(); |
ef90d6d4 | 2939 | git_config(git_pack_config, NULL); |
bb23fdfa SP |
2940 | if (!pack_compression_seen && core_compression_seen) |
2941 | pack_compression_level = core_compression_level; | |
2942 | ||
93e72d8d | 2943 | alloc_objects(object_entry_alloc); |
f1696ee3 | 2944 | strbuf_init(&command_buf, 0); |
93e72d8d SP |
2945 | atom_table = xcalloc(atom_table_sz, sizeof(struct atom_str*)); |
2946 | branch_table = xcalloc(branch_table_sz, sizeof(struct branch*)); | |
2947 | avail_tree_table = xcalloc(avail_tree_table_sz, sizeof(struct avail_tree_content*)); | |
2948 | marks = pool_calloc(1, sizeof(struct mark_set)); | |
463acbe1 | 2949 | |
9c8398f0 SR |
2950 | global_argc = argc; |
2951 | global_argv = argv; | |
d5c57b28 | 2952 | |
904b1941 SP |
2953 | rc_free = pool_alloc(cmd_save * sizeof(*rc_free)); |
2954 | for (i = 0; i < (cmd_save - 1); i++) | |
2955 | rc_free[i].next = &rc_free[i + 1]; | |
2956 | rc_free[cmd_save - 1].next = NULL; | |
2957 | ||
a5c1780a | 2958 | prepare_packed_git(); |
f70b6534 | 2959 | start_packfile(); |
8acb3297 | 2960 | set_die_routine(die_nicely); |
e6c019d0 PH |
2961 | while (read_next_command() != EOF) { |
2962 | if (!strcmp("blob", command_buf.buf)) | |
b3031781 | 2963 | parse_new_blob(); |
599065a3 | 2964 | else if (!prefixcmp(command_buf.buf, "commit ")) |
b3031781 | 2965 | parse_new_commit(); |
599065a3 | 2966 | else if (!prefixcmp(command_buf.buf, "tag ")) |
b3031781 | 2967 | parse_new_tag(); |
599065a3 | 2968 | else if (!prefixcmp(command_buf.buf, "reset ")) |
b3031781 | 2969 | parse_reset_branch(); |
7bfe6e26 | 2970 | else if (!strcmp("checkpoint", command_buf.buf)) |
b3031781 | 2971 | parse_checkpoint(); |
ac053c02 | 2972 | else if (!prefixcmp(command_buf.buf, "progress ")) |
b3031781 | 2973 | parse_progress(); |
f963bd5d SR |
2974 | else if (!prefixcmp(command_buf.buf, "feature ")) |
2975 | parse_feature(); | |
9c8398f0 SR |
2976 | else if (!prefixcmp(command_buf.buf, "option git ")) |
2977 | parse_option(); | |
2978 | else if (!prefixcmp(command_buf.buf, "option ")) | |
2979 | /* ignore non-git options*/; | |
c44cdc7e SP |
2980 | else |
2981 | die("Unsupported command: %s", command_buf.buf); | |
db5e523f | 2982 | } |
9c8398f0 SR |
2983 | |
2984 | /* argv hasn't been parsed yet, do so */ | |
2985 | if (!seen_data_command) | |
2986 | parse_argv(); | |
2987 | ||
f70b6534 | 2988 | end_packfile(); |
c44cdc7e | 2989 | |
463acbe1 | 2990 | dump_branches(); |
72303d44 | 2991 | dump_tags(); |
8455e484 | 2992 | unkeep_all_packs(); |
a6a1a831 | 2993 | dump_marks(); |
8bcce301 | 2994 | |
bdf1c06d SP |
2995 | if (pack_edges) |
2996 | fclose(pack_edges); | |
2997 | ||
c499d768 SP |
2998 | if (show_stats) { |
2999 | uintmax_t total_count = 0, duplicate_count = 0; | |
3000 | for (i = 0; i < ARRAY_SIZE(object_count_by_type); i++) | |
3001 | total_count += object_count_by_type[i]; | |
3002 | for (i = 0; i < ARRAY_SIZE(duplicate_count_by_type); i++) | |
3003 | duplicate_count += duplicate_count_by_type[i]; | |
3004 | ||
3005 | fprintf(stderr, "%s statistics:\n", argv[0]); | |
3006 | fprintf(stderr, "---------------------------------------------------------------------\n"); | |
3efb1f34 JR |
3007 | fprintf(stderr, "Alloc'd objects: %10" PRIuMAX "\n", alloc_count); |
3008 | fprintf(stderr, "Total objects: %10" PRIuMAX " (%10" PRIuMAX " duplicates )\n", total_count, duplicate_count); | |
3009 | fprintf(stderr, " blobs : %10" PRIuMAX " (%10" PRIuMAX " duplicates %10" PRIuMAX " deltas)\n", object_count_by_type[OBJ_BLOB], duplicate_count_by_type[OBJ_BLOB], delta_count_by_type[OBJ_BLOB]); | |
3010 | fprintf(stderr, " trees : %10" PRIuMAX " (%10" PRIuMAX " duplicates %10" PRIuMAX " deltas)\n", object_count_by_type[OBJ_TREE], duplicate_count_by_type[OBJ_TREE], delta_count_by_type[OBJ_TREE]); | |
3011 | fprintf(stderr, " commits: %10" PRIuMAX " (%10" PRIuMAX " duplicates %10" PRIuMAX " deltas)\n", object_count_by_type[OBJ_COMMIT], duplicate_count_by_type[OBJ_COMMIT], delta_count_by_type[OBJ_COMMIT]); | |
3012 | fprintf(stderr, " tags : %10" PRIuMAX " (%10" PRIuMAX " duplicates %10" PRIuMAX " deltas)\n", object_count_by_type[OBJ_TAG], duplicate_count_by_type[OBJ_TAG], delta_count_by_type[OBJ_TAG]); | |
c499d768 | 3013 | fprintf(stderr, "Total branches: %10lu (%10lu loads )\n", branch_count, branch_load_count); |
3efb1f34 | 3014 | fprintf(stderr, " marks: %10" PRIuMAX " (%10" PRIuMAX " unique )\n", (((uintmax_t)1) << marks->shift) * 1024, marks_set_count); |
c499d768 | 3015 | fprintf(stderr, " atoms: %10u\n", atom_cnt); |
3efb1f34 | 3016 | fprintf(stderr, "Memory total: %10" PRIuMAX " KiB\n", (total_allocd + alloc_count*sizeof(struct object_entry))/1024); |
40db58b8 | 3017 | fprintf(stderr, " pools: %10lu KiB\n", (unsigned long)(total_allocd/1024)); |
3efb1f34 | 3018 | fprintf(stderr, " objects: %10" PRIuMAX " KiB\n", (alloc_count*sizeof(struct object_entry))/1024); |
c499d768 SP |
3019 | fprintf(stderr, "---------------------------------------------------------------------\n"); |
3020 | pack_report(); | |
3021 | fprintf(stderr, "---------------------------------------------------------------------\n"); | |
3022 | fprintf(stderr, "\n"); | |
3023 | } | |
db5e523f | 3024 | |
7073e69e | 3025 | return failure ? 1 : 0; |
db5e523f | 3026 | } |