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Commit | Line | Data |
---|---|---|
463acbe1 SP |
1 | /* |
2 | Format of STDIN stream: | |
3 | ||
4 | stream ::= cmd*; | |
5 | ||
6 | cmd ::= new_blob | |
c44cdc7e | 7 | | new_commit |
463acbe1 | 8 | | new_tag |
5fced8dc | 9 | | reset_branch |
8c1f22da | 10 | | checkpoint |
463acbe1 SP |
11 | ; |
12 | ||
c44cdc7e SP |
13 | new_blob ::= 'blob' lf |
14 | mark? | |
15 | file_content; | |
16 | file_content ::= data; | |
463acbe1 | 17 | |
c44cdc7e | 18 | new_commit ::= 'commit' sp ref_str lf |
00e2b884 | 19 | mark? |
63e0c8b3 SP |
20 | ('author' sp name '<' email '>' when lf)? |
21 | 'committer' sp name '<' email '>' when lf | |
00e2b884 | 22 | commit_msg |
02f3389d | 23 | ('from' sp (ref_str | hexsha1 | sha1exp_str | idnum) lf)? |
62b6f483 | 24 | ('merge' sp (ref_str | hexsha1 | sha1exp_str | idnum) lf)* |
c44cdc7e SP |
25 | file_change* |
26 | lf; | |
27 | commit_msg ::= data; | |
463acbe1 | 28 | |
825769a8 SP |
29 | file_change ::= file_clr | file_del | file_obm | file_inm; |
30 | file_clr ::= 'deleteall' lf; | |
b715cfbb SP |
31 | file_del ::= 'D' sp path_str lf; |
32 | file_obm ::= 'M' sp mode sp (hexsha1 | idnum) sp path_str lf; | |
33 | file_inm ::= 'M' sp mode sp 'inline' sp path_str lf | |
34 | data; | |
c44cdc7e SP |
35 | |
36 | new_tag ::= 'tag' sp tag_str lf | |
37 | 'from' sp (ref_str | hexsha1 | sha1exp_str | idnum) lf | |
63e0c8b3 | 38 | 'tagger' sp name '<' email '>' when lf |
c44cdc7e SP |
39 | tag_msg; |
40 | tag_msg ::= data; | |
41 | ||
9938ffc5 SP |
42 | reset_branch ::= 'reset' sp ref_str lf |
43 | ('from' sp (ref_str | hexsha1 | sha1exp_str | idnum) lf)? | |
44 | lf; | |
5fced8dc | 45 | |
7bfe6e26 SP |
46 | checkpoint ::= 'checkpoint' lf |
47 | lf; | |
48 | ||
c44cdc7e SP |
49 | # note: the first idnum in a stream should be 1 and subsequent |
50 | # idnums should not have gaps between values as this will cause | |
51 | # the stream parser to reserve space for the gapped values. An | |
52 | # idnum can be updated in the future to a new object by issuing | |
53 | # a new mark directive with the old idnum. | |
54 | # | |
55 | mark ::= 'mark' sp idnum lf; | |
3b4dce02 SP |
56 | data ::= (delimited_data | exact_data) |
57 | lf; | |
58 | ||
59 | # note: delim may be any string but must not contain lf. | |
60 | # data_line may contain any data but must not be exactly | |
61 | # delim. | |
62 | delimited_data ::= 'data' sp '<<' delim lf | |
63 | (data_line lf)* | |
64 | delim lf; | |
c44cdc7e SP |
65 | |
66 | # note: declen indicates the length of binary_data in bytes. | |
3b4dce02 | 67 | # declen does not include the lf preceeding the binary data. |
c44cdc7e | 68 | # |
3b4dce02 SP |
69 | exact_data ::= 'data' sp declen lf |
70 | binary_data; | |
c44cdc7e SP |
71 | |
72 | # note: quoted strings are C-style quoting supporting \c for | |
73 | # common escapes of 'c' (e..g \n, \t, \\, \") or \nnn where nnn | |
74 | # is the signed byte value in octal. Note that the only | |
75 | # characters which must actually be escaped to protect the | |
76 | # stream formatting is: \, " and LF. Otherwise these values | |
77 | # are UTF8. | |
78 | # | |
6c3aac1c SP |
79 | ref_str ::= ref; |
80 | sha1exp_str ::= sha1exp; | |
81 | tag_str ::= tag; | |
c44cdc7e | 82 | path_str ::= path | '"' quoted(path) '"' ; |
b715cfbb SP |
83 | mode ::= '100644' | '644' |
84 | | '100755' | '755' | |
9981b6d9 | 85 | | '120000' |
b715cfbb | 86 | ; |
c44cdc7e SP |
87 | |
88 | declen ::= # unsigned 32 bit value, ascii base10 notation; | |
2104838b | 89 | bigint ::= # unsigned integer value, ascii base10 notation; |
463acbe1 | 90 | binary_data ::= # file content, not interpreted; |
c44cdc7e | 91 | |
63e0c8b3 SP |
92 | when ::= raw_when | rfc2822_when; |
93 | raw_when ::= ts sp tz; | |
94 | rfc2822_when ::= # Valid RFC 2822 date and time; | |
95 | ||
463acbe1 SP |
96 | sp ::= # ASCII space character; |
97 | lf ::= # ASCII newline (LF) character; | |
c44cdc7e SP |
98 | |
99 | # note: a colon (':') must precede the numerical value assigned to | |
100 | # an idnum. This is to distinguish it from a ref or tag name as | |
101 | # GIT does not permit ':' in ref or tag strings. | |
102 | # | |
2104838b | 103 | idnum ::= ':' bigint; |
c44cdc7e SP |
104 | path ::= # GIT style file path, e.g. "a/b/c"; |
105 | ref ::= # GIT ref name, e.g. "refs/heads/MOZ_GECKO_EXPERIMENT"; | |
106 | tag ::= # GIT tag name, e.g. "FIREFOX_1_5"; | |
463acbe1 SP |
107 | sha1exp ::= # Any valid GIT SHA1 expression; |
108 | hexsha1 ::= # SHA1 in hexadecimal format; | |
c44cdc7e SP |
109 | |
110 | # note: name and email are UTF8 strings, however name must not | |
111 | # contain '<' or lf and email must not contain any of the | |
112 | # following: '<', '>', lf. | |
113 | # | |
114 | name ::= # valid GIT author/committer name; | |
463acbe1 | 115 | email ::= # valid GIT author/committer email; |
c44cdc7e SP |
116 | ts ::= # time since the epoch in seconds, ascii base10 notation; |
117 | tz ::= # GIT style timezone; | |
463acbe1 SP |
118 | */ |
119 | ||
db5e523f SP |
120 | #include "builtin.h" |
121 | #include "cache.h" | |
122 | #include "object.h" | |
123 | #include "blob.h" | |
463acbe1 | 124 | #include "tree.h" |
7073e69e | 125 | #include "commit.h" |
db5e523f SP |
126 | #include "delta.h" |
127 | #include "pack.h" | |
463acbe1 | 128 | #include "refs.h" |
db5e523f | 129 | #include "csum-file.h" |
c44cdc7e SP |
130 | #include "strbuf.h" |
131 | #include "quote.h" | |
db5e523f | 132 | |
69e74e74 SP |
133 | #define PACK_ID_BITS 16 |
134 | #define MAX_PACK_ID ((1<<PACK_ID_BITS)-1) | |
135 | ||
27d6d290 SP |
136 | struct object_entry |
137 | { | |
138 | struct object_entry *next; | |
10831c55 | 139 | uint32_t offset; |
03842d8e | 140 | unsigned type : TYPE_BITS; |
69e74e74 | 141 | unsigned pack_id : PACK_ID_BITS; |
27d6d290 SP |
142 | unsigned char sha1[20]; |
143 | }; | |
144 | ||
463acbe1 | 145 | struct object_entry_pool |
27d6d290 | 146 | { |
463acbe1 | 147 | struct object_entry_pool *next_pool; |
27d6d290 SP |
148 | struct object_entry *next_free; |
149 | struct object_entry *end; | |
ac47a738 | 150 | struct object_entry entries[FLEX_ARRAY]; /* more */ |
27d6d290 SP |
151 | }; |
152 | ||
d8397168 SP |
153 | struct mark_set |
154 | { | |
d8397168 SP |
155 | union { |
156 | struct object_entry *marked[1024]; | |
157 | struct mark_set *sets[1024]; | |
158 | } data; | |
6f64f6d9 | 159 | unsigned int shift; |
d8397168 SP |
160 | }; |
161 | ||
ac47a738 SP |
162 | struct last_object |
163 | { | |
164 | void *data; | |
4cabf858 | 165 | unsigned long len; |
10831c55 | 166 | uint32_t offset; |
6bb5b329 | 167 | unsigned int depth; |
d489bc14 | 168 | unsigned no_free:1; |
ac47a738 SP |
169 | }; |
170 | ||
463acbe1 SP |
171 | struct mem_pool |
172 | { | |
173 | struct mem_pool *next_pool; | |
174 | char *next_free; | |
175 | char *end; | |
176 | char space[FLEX_ARRAY]; /* more */ | |
177 | }; | |
178 | ||
179 | struct atom_str | |
180 | { | |
181 | struct atom_str *next_atom; | |
10831c55 | 182 | unsigned short str_len; |
463acbe1 SP |
183 | char str_dat[FLEX_ARRAY]; /* more */ |
184 | }; | |
185 | ||
186 | struct tree_content; | |
6bb5b329 SP |
187 | struct tree_entry |
188 | { | |
463acbe1 SP |
189 | struct tree_content *tree; |
190 | struct atom_str* name; | |
4cabf858 SP |
191 | struct tree_entry_ms |
192 | { | |
10831c55 | 193 | uint16_t mode; |
4cabf858 SP |
194 | unsigned char sha1[20]; |
195 | } versions[2]; | |
6bb5b329 SP |
196 | }; |
197 | ||
463acbe1 | 198 | struct tree_content |
6bb5b329 | 199 | { |
463acbe1 SP |
200 | unsigned int entry_capacity; /* must match avail_tree_content */ |
201 | unsigned int entry_count; | |
4cabf858 | 202 | unsigned int delta_depth; |
463acbe1 SP |
203 | struct tree_entry *entries[FLEX_ARRAY]; /* more */ |
204 | }; | |
205 | ||
206 | struct avail_tree_content | |
207 | { | |
208 | unsigned int entry_capacity; /* must match tree_content */ | |
209 | struct avail_tree_content *next_avail; | |
6bb5b329 SP |
210 | }; |
211 | ||
212 | struct branch | |
213 | { | |
463acbe1 SP |
214 | struct branch *table_next_branch; |
215 | struct branch *active_next_branch; | |
6bb5b329 | 216 | const char *name; |
463acbe1 | 217 | struct tree_entry branch_tree; |
69e74e74 | 218 | uintmax_t last_commit; |
2369ed79 | 219 | unsigned int pack_id; |
463acbe1 | 220 | unsigned char sha1[20]; |
6bb5b329 SP |
221 | }; |
222 | ||
72303d44 SP |
223 | struct tag |
224 | { | |
225 | struct tag *next_tag; | |
226 | const char *name; | |
2369ed79 | 227 | unsigned int pack_id; |
72303d44 SP |
228 | unsigned char sha1[20]; |
229 | }; | |
230 | ||
e2eb469d SP |
231 | struct dbuf |
232 | { | |
233 | void *buffer; | |
234 | size_t capacity; | |
235 | }; | |
236 | ||
62b6f483 SP |
237 | struct hash_list |
238 | { | |
239 | struct hash_list *next; | |
240 | unsigned char sha1[20]; | |
241 | }; | |
463acbe1 | 242 | |
63e0c8b3 SP |
243 | typedef enum { |
244 | WHENSPEC_RAW = 1, | |
245 | WHENSPEC_RFC2822, | |
246 | WHENSPEC_NOW, | |
247 | } whenspec_type; | |
248 | ||
0ea9f045 | 249 | /* Configured limits on output */ |
d5c57b28 | 250 | static unsigned long max_depth = 10; |
eec11c24 | 251 | static unsigned long max_packsize = (1LL << 32) - 1; |
7073e69e | 252 | static int force_update; |
0ea9f045 SP |
253 | |
254 | /* Stats and misc. counters */ | |
255 | static uintmax_t alloc_count; | |
0ea9f045 SP |
256 | static uintmax_t marks_set_count; |
257 | static uintmax_t object_count_by_type[1 << TYPE_BITS]; | |
258 | static uintmax_t duplicate_count_by_type[1 << TYPE_BITS]; | |
259 | static uintmax_t delta_count_by_type[1 << TYPE_BITS]; | |
a7ddc487 | 260 | static unsigned long object_count; |
6bb5b329 | 261 | static unsigned long branch_count; |
d6c7eb2c | 262 | static unsigned long branch_load_count; |
7073e69e | 263 | static int failure; |
bdf1c06d | 264 | static FILE *pack_edges; |
ac47a738 | 265 | |
463acbe1 SP |
266 | /* Memory pools */ |
267 | static size_t mem_pool_alloc = 2*1024*1024 - sizeof(struct mem_pool); | |
268 | static size_t total_allocd; | |
269 | static struct mem_pool *mem_pool; | |
270 | ||
c44cdc7e | 271 | /* Atom management */ |
463acbe1 SP |
272 | static unsigned int atom_table_sz = 4451; |
273 | static unsigned int atom_cnt; | |
274 | static struct atom_str **atom_table; | |
275 | ||
276 | /* The .pack file being generated */ | |
7bfe6e26 | 277 | static unsigned int pack_id; |
d489bc14 | 278 | static struct packed_git *pack_data; |
7bfe6e26 | 279 | static struct packed_git **all_packs; |
41e5257f | 280 | static unsigned long pack_size; |
ac47a738 SP |
281 | |
282 | /* Table of objects we've written. */ | |
4cabf858 | 283 | static unsigned int object_entry_alloc = 5000; |
463acbe1 SP |
284 | static struct object_entry_pool *blocks; |
285 | static struct object_entry *object_table[1 << 16]; | |
d8397168 | 286 | static struct mark_set *marks; |
a6a1a831 | 287 | static const char* mark_file; |
ac47a738 SP |
288 | |
289 | /* Our last blob */ | |
463acbe1 SP |
290 | static struct last_object last_blob; |
291 | ||
292 | /* Tree management */ | |
293 | static unsigned int tree_entry_alloc = 1000; | |
294 | static void *avail_tree_entry; | |
295 | static unsigned int avail_tree_table_sz = 100; | |
296 | static struct avail_tree_content **avail_tree_table; | |
e2eb469d SP |
297 | static struct dbuf old_tree; |
298 | static struct dbuf new_tree; | |
8bcce301 | 299 | |
6bb5b329 | 300 | /* Branch data */ |
d5c57b28 SP |
301 | static unsigned long max_active_branches = 5; |
302 | static unsigned long cur_active_branches; | |
303 | static unsigned long branch_table_sz = 1039; | |
463acbe1 SP |
304 | static struct branch **branch_table; |
305 | static struct branch *active_branches; | |
306 | ||
72303d44 SP |
307 | /* Tag data */ |
308 | static struct tag *first_tag; | |
309 | static struct tag *last_tag; | |
310 | ||
c44cdc7e | 311 | /* Input stream parsing */ |
63e0c8b3 | 312 | static whenspec_type whenspec = WHENSPEC_RAW; |
c44cdc7e | 313 | static struct strbuf command_buf; |
0ea9f045 | 314 | static uintmax_t next_mark; |
243f801d | 315 | static struct dbuf new_data; |
c44cdc7e | 316 | |
6bb5b329 | 317 | |
03842d8e | 318 | static void alloc_objects(unsigned int cnt) |
8bcce301 | 319 | { |
463acbe1 | 320 | struct object_entry_pool *b; |
27d6d290 | 321 | |
463acbe1 | 322 | b = xmalloc(sizeof(struct object_entry_pool) |
27d6d290 | 323 | + cnt * sizeof(struct object_entry)); |
463acbe1 | 324 | b->next_pool = blocks; |
27d6d290 SP |
325 | b->next_free = b->entries; |
326 | b->end = b->entries + cnt; | |
327 | blocks = b; | |
328 | alloc_count += cnt; | |
329 | } | |
8bcce301 | 330 | |
e5b1444b | 331 | static struct object_entry *new_object(unsigned char *sha1) |
8bcce301 | 332 | { |
27d6d290 | 333 | struct object_entry *e; |
8bcce301 | 334 | |
27d6d290 | 335 | if (blocks->next_free == blocks->end) |
463acbe1 | 336 | alloc_objects(object_entry_alloc); |
8bcce301 | 337 | |
27d6d290 | 338 | e = blocks->next_free++; |
445b8599 | 339 | hashcpy(e->sha1, sha1); |
27d6d290 | 340 | return e; |
8bcce301 SP |
341 | } |
342 | ||
e5b1444b | 343 | static struct object_entry *find_object(unsigned char *sha1) |
463acbe1 SP |
344 | { |
345 | unsigned int h = sha1[0] << 8 | sha1[1]; | |
346 | struct object_entry *e; | |
347 | for (e = object_table[h]; e; e = e->next) | |
445b8599 | 348 | if (!hashcmp(sha1, e->sha1)) |
463acbe1 SP |
349 | return e; |
350 | return NULL; | |
351 | } | |
352 | ||
e5b1444b | 353 | static struct object_entry *insert_object(unsigned char *sha1) |
8bcce301 SP |
354 | { |
355 | unsigned int h = sha1[0] << 8 | sha1[1]; | |
27d6d290 | 356 | struct object_entry *e = object_table[h]; |
463acbe1 | 357 | struct object_entry *p = NULL; |
8bcce301 SP |
358 | |
359 | while (e) { | |
445b8599 | 360 | if (!hashcmp(sha1, e->sha1)) |
8bcce301 SP |
361 | return e; |
362 | p = e; | |
363 | e = e->next; | |
364 | } | |
365 | ||
366 | e = new_object(sha1); | |
463acbe1 | 367 | e->next = NULL; |
8bcce301 SP |
368 | e->offset = 0; |
369 | if (p) | |
370 | p->next = e; | |
371 | else | |
27d6d290 | 372 | object_table[h] = e; |
8bcce301 SP |
373 | return e; |
374 | } | |
db5e523f | 375 | |
463acbe1 SP |
376 | static unsigned int hc_str(const char *s, size_t len) |
377 | { | |
378 | unsigned int r = 0; | |
379 | while (len-- > 0) | |
380 | r = r * 31 + *s++; | |
381 | return r; | |
382 | } | |
383 | ||
e5b1444b | 384 | static void *pool_alloc(size_t len) |
463acbe1 SP |
385 | { |
386 | struct mem_pool *p; | |
387 | void *r; | |
388 | ||
389 | for (p = mem_pool; p; p = p->next_pool) | |
390 | if ((p->end - p->next_free >= len)) | |
391 | break; | |
392 | ||
393 | if (!p) { | |
394 | if (len >= (mem_pool_alloc/2)) { | |
395 | total_allocd += len; | |
396 | return xmalloc(len); | |
397 | } | |
398 | total_allocd += sizeof(struct mem_pool) + mem_pool_alloc; | |
399 | p = xmalloc(sizeof(struct mem_pool) + mem_pool_alloc); | |
400 | p->next_pool = mem_pool; | |
401 | p->next_free = p->space; | |
402 | p->end = p->next_free + mem_pool_alloc; | |
403 | mem_pool = p; | |
404 | } | |
405 | ||
406 | r = p->next_free; | |
8d8928b0 SP |
407 | /* round out to a pointer alignment */ |
408 | if (len & (sizeof(void*) - 1)) | |
409 | len += sizeof(void*) - (len & (sizeof(void*) - 1)); | |
463acbe1 SP |
410 | p->next_free += len; |
411 | return r; | |
412 | } | |
413 | ||
e5b1444b | 414 | static void *pool_calloc(size_t count, size_t size) |
463acbe1 SP |
415 | { |
416 | size_t len = count * size; | |
417 | void *r = pool_alloc(len); | |
418 | memset(r, 0, len); | |
419 | return r; | |
420 | } | |
421 | ||
e5b1444b | 422 | static char *pool_strdup(const char *s) |
463acbe1 SP |
423 | { |
424 | char *r = pool_alloc(strlen(s) + 1); | |
425 | strcpy(r, s); | |
426 | return r; | |
427 | } | |
428 | ||
243f801d SP |
429 | static void size_dbuf(struct dbuf *b, size_t maxlen) |
430 | { | |
431 | if (b->buffer) { | |
432 | if (b->capacity >= maxlen) | |
433 | return; | |
434 | free(b->buffer); | |
435 | } | |
436 | b->capacity = ((maxlen / 1024) + 1) * 1024; | |
437 | b->buffer = xmalloc(b->capacity); | |
438 | } | |
439 | ||
0ea9f045 | 440 | static void insert_mark(uintmax_t idnum, struct object_entry *oe) |
d8397168 SP |
441 | { |
442 | struct mark_set *s = marks; | |
443 | while ((idnum >> s->shift) >= 1024) { | |
444 | s = pool_calloc(1, sizeof(struct mark_set)); | |
445 | s->shift = marks->shift + 10; | |
446 | s->data.sets[0] = marks; | |
447 | marks = s; | |
448 | } | |
449 | while (s->shift) { | |
0ea9f045 | 450 | uintmax_t i = idnum >> s->shift; |
d8397168 SP |
451 | idnum -= i << s->shift; |
452 | if (!s->data.sets[i]) { | |
453 | s->data.sets[i] = pool_calloc(1, sizeof(struct mark_set)); | |
454 | s->data.sets[i]->shift = s->shift - 10; | |
455 | } | |
456 | s = s->data.sets[i]; | |
457 | } | |
458 | if (!s->data.marked[idnum]) | |
459 | marks_set_count++; | |
460 | s->data.marked[idnum] = oe; | |
461 | } | |
462 | ||
e5b1444b | 463 | static struct object_entry *find_mark(uintmax_t idnum) |
d8397168 | 464 | { |
0ea9f045 | 465 | uintmax_t orig_idnum = idnum; |
d8397168 SP |
466 | struct mark_set *s = marks; |
467 | struct object_entry *oe = NULL; | |
468 | if ((idnum >> s->shift) < 1024) { | |
469 | while (s && s->shift) { | |
0ea9f045 | 470 | uintmax_t i = idnum >> s->shift; |
d8397168 SP |
471 | idnum -= i << s->shift; |
472 | s = s->data.sets[i]; | |
473 | } | |
474 | if (s) | |
475 | oe = s->data.marked[idnum]; | |
476 | } | |
477 | if (!oe) | |
0ea9f045 | 478 | die("mark :%ju not declared", orig_idnum); |
d8397168 SP |
479 | return oe; |
480 | } | |
481 | ||
e5b1444b | 482 | static struct atom_str *to_atom(const char *s, unsigned short len) |
463acbe1 SP |
483 | { |
484 | unsigned int hc = hc_str(s, len) % atom_table_sz; | |
485 | struct atom_str *c; | |
486 | ||
487 | for (c = atom_table[hc]; c; c = c->next_atom) | |
488 | if (c->str_len == len && !strncmp(s, c->str_dat, len)) | |
489 | return c; | |
490 | ||
491 | c = pool_alloc(sizeof(struct atom_str) + len + 1); | |
492 | c->str_len = len; | |
493 | strncpy(c->str_dat, s, len); | |
494 | c->str_dat[len] = 0; | |
495 | c->next_atom = atom_table[hc]; | |
496 | atom_table[hc] = c; | |
497 | atom_cnt++; | |
498 | return c; | |
499 | } | |
500 | ||
e5b1444b | 501 | static struct branch *lookup_branch(const char *name) |
463acbe1 SP |
502 | { |
503 | unsigned int hc = hc_str(name, strlen(name)) % branch_table_sz; | |
504 | struct branch *b; | |
505 | ||
506 | for (b = branch_table[hc]; b; b = b->table_next_branch) | |
507 | if (!strcmp(name, b->name)) | |
508 | return b; | |
509 | return NULL; | |
510 | } | |
511 | ||
e5b1444b | 512 | static struct branch *new_branch(const char *name) |
463acbe1 SP |
513 | { |
514 | unsigned int hc = hc_str(name, strlen(name)) % branch_table_sz; | |
515 | struct branch* b = lookup_branch(name); | |
516 | ||
517 | if (b) | |
518 | die("Invalid attempt to create duplicate branch: %s", name); | |
c44cdc7e SP |
519 | if (check_ref_format(name)) |
520 | die("Branch name doesn't conform to GIT standards: %s", name); | |
463acbe1 SP |
521 | |
522 | b = pool_calloc(1, sizeof(struct branch)); | |
523 | b->name = pool_strdup(name); | |
524 | b->table_next_branch = branch_table[hc]; | |
8a8c55ea SP |
525 | b->branch_tree.versions[0].mode = S_IFDIR; |
526 | b->branch_tree.versions[1].mode = S_IFDIR; | |
69e74e74 | 527 | b->pack_id = MAX_PACK_ID; |
463acbe1 SP |
528 | branch_table[hc] = b; |
529 | branch_count++; | |
530 | return b; | |
531 | } | |
532 | ||
533 | static unsigned int hc_entries(unsigned int cnt) | |
534 | { | |
535 | cnt = cnt & 7 ? (cnt / 8) + 1 : cnt / 8; | |
536 | return cnt < avail_tree_table_sz ? cnt : avail_tree_table_sz - 1; | |
537 | } | |
538 | ||
e5b1444b | 539 | static struct tree_content *new_tree_content(unsigned int cnt) |
463acbe1 SP |
540 | { |
541 | struct avail_tree_content *f, *l = NULL; | |
542 | struct tree_content *t; | |
543 | unsigned int hc = hc_entries(cnt); | |
544 | ||
545 | for (f = avail_tree_table[hc]; f; l = f, f = f->next_avail) | |
546 | if (f->entry_capacity >= cnt) | |
547 | break; | |
548 | ||
549 | if (f) { | |
550 | if (l) | |
551 | l->next_avail = f->next_avail; | |
552 | else | |
553 | avail_tree_table[hc] = f->next_avail; | |
554 | } else { | |
555 | cnt = cnt & 7 ? ((cnt / 8) + 1) * 8 : cnt; | |
556 | f = pool_alloc(sizeof(*t) + sizeof(t->entries[0]) * cnt); | |
557 | f->entry_capacity = cnt; | |
558 | } | |
559 | ||
560 | t = (struct tree_content*)f; | |
561 | t->entry_count = 0; | |
4cabf858 | 562 | t->delta_depth = 0; |
463acbe1 SP |
563 | return t; |
564 | } | |
565 | ||
566 | static void release_tree_entry(struct tree_entry *e); | |
567 | static void release_tree_content(struct tree_content *t) | |
568 | { | |
569 | struct avail_tree_content *f = (struct avail_tree_content*)t; | |
570 | unsigned int hc = hc_entries(f->entry_capacity); | |
afde8dd9 SP |
571 | f->next_avail = avail_tree_table[hc]; |
572 | avail_tree_table[hc] = f; | |
573 | } | |
574 | ||
575 | static void release_tree_content_recursive(struct tree_content *t) | |
576 | { | |
463acbe1 SP |
577 | unsigned int i; |
578 | for (i = 0; i < t->entry_count; i++) | |
579 | release_tree_entry(t->entries[i]); | |
afde8dd9 | 580 | release_tree_content(t); |
463acbe1 SP |
581 | } |
582 | ||
e5b1444b | 583 | static struct tree_content *grow_tree_content( |
463acbe1 SP |
584 | struct tree_content *t, |
585 | int amt) | |
586 | { | |
587 | struct tree_content *r = new_tree_content(t->entry_count + amt); | |
588 | r->entry_count = t->entry_count; | |
4cabf858 | 589 | r->delta_depth = t->delta_depth; |
463acbe1 SP |
590 | memcpy(r->entries,t->entries,t->entry_count*sizeof(t->entries[0])); |
591 | release_tree_content(t); | |
592 | return r; | |
593 | } | |
594 | ||
e5b1444b | 595 | static struct tree_entry *new_tree_entry(void) |
463acbe1 SP |
596 | { |
597 | struct tree_entry *e; | |
598 | ||
599 | if (!avail_tree_entry) { | |
600 | unsigned int n = tree_entry_alloc; | |
8435a9cb | 601 | total_allocd += n * sizeof(struct tree_entry); |
463acbe1 | 602 | avail_tree_entry = e = xmalloc(n * sizeof(struct tree_entry)); |
2eb26d84 | 603 | while (n-- > 1) { |
463acbe1 SP |
604 | *((void**)e) = e + 1; |
605 | e++; | |
606 | } | |
35ef237c | 607 | *((void**)e) = NULL; |
463acbe1 SP |
608 | } |
609 | ||
610 | e = avail_tree_entry; | |
611 | avail_tree_entry = *((void**)e); | |
612 | return e; | |
613 | } | |
614 | ||
615 | static void release_tree_entry(struct tree_entry *e) | |
616 | { | |
617 | if (e->tree) | |
afde8dd9 | 618 | release_tree_content_recursive(e->tree); |
463acbe1 SP |
619 | *((void**)e) = avail_tree_entry; |
620 | avail_tree_entry = e; | |
621 | } | |
622 | ||
fd99224e | 623 | static void start_packfile(void) |
f70b6534 | 624 | { |
8455e484 | 625 | static char tmpfile[PATH_MAX]; |
7bfe6e26 | 626 | struct packed_git *p; |
f70b6534 | 627 | struct pack_header hdr; |
0fcbcae7 | 628 | int pack_fd; |
f70b6534 | 629 | |
8455e484 SP |
630 | snprintf(tmpfile, sizeof(tmpfile), |
631 | "%s/pack_XXXXXX", get_object_directory()); | |
632 | pack_fd = mkstemp(tmpfile); | |
f70b6534 | 633 | if (pack_fd < 0) |
8455e484 SP |
634 | die("Can't create %s: %s", tmpfile, strerror(errno)); |
635 | p = xcalloc(1, sizeof(*p) + strlen(tmpfile) + 2); | |
636 | strcpy(p->pack_name, tmpfile); | |
7bfe6e26 | 637 | p->pack_fd = pack_fd; |
f70b6534 SP |
638 | |
639 | hdr.hdr_signature = htonl(PACK_SIGNATURE); | |
640 | hdr.hdr_version = htonl(2); | |
641 | hdr.hdr_entries = 0; | |
0fcbcae7 | 642 | write_or_die(p->pack_fd, &hdr, sizeof(hdr)); |
7bfe6e26 SP |
643 | |
644 | pack_data = p; | |
f70b6534 SP |
645 | pack_size = sizeof(hdr); |
646 | object_count = 0; | |
7bfe6e26 SP |
647 | |
648 | all_packs = xrealloc(all_packs, sizeof(*all_packs) * (pack_id + 1)); | |
649 | all_packs[pack_id] = p; | |
f70b6534 SP |
650 | } |
651 | ||
fd99224e | 652 | static void fixup_header_footer(void) |
f70b6534 | 653 | { |
566f4425 | 654 | static const int buf_sz = 128 * 1024; |
0fcbcae7 | 655 | int pack_fd = pack_data->pack_fd; |
f70b6534 | 656 | SHA_CTX c; |
566f4425 | 657 | struct pack_header hdr; |
f70b6534 SP |
658 | char *buf; |
659 | ||
660 | if (lseek(pack_fd, 0, SEEK_SET) != 0) | |
661 | die("Failed seeking to start: %s", strerror(errno)); | |
566f4425 | 662 | if (read_in_full(pack_fd, &hdr, sizeof(hdr)) != sizeof(hdr)) |
6cf09261 | 663 | die("Unable to reread header of %s", pack_data->pack_name); |
566f4425 SP |
664 | if (lseek(pack_fd, 0, SEEK_SET) != 0) |
665 | die("Failed seeking to start: %s", strerror(errno)); | |
666 | hdr.hdr_entries = htonl(object_count); | |
667 | write_or_die(pack_fd, &hdr, sizeof(hdr)); | |
f70b6534 | 668 | |
566f4425 SP |
669 | SHA1_Init(&c); |
670 | SHA1_Update(&c, &hdr, sizeof(hdr)); | |
f70b6534 | 671 | |
566f4425 | 672 | buf = xmalloc(buf_sz); |
f70b6534 | 673 | for (;;) { |
566f4425 SP |
674 | size_t n = xread(pack_fd, buf, buf_sz); |
675 | if (!n) | |
f70b6534 | 676 | break; |
566f4425 SP |
677 | if (n < 0) |
678 | die("Failed to checksum %s", pack_data->pack_name); | |
f70b6534 SP |
679 | SHA1_Update(&c, buf, n); |
680 | } | |
681 | free(buf); | |
682 | ||
09543c96 SP |
683 | SHA1_Final(pack_data->sha1, &c); |
684 | write_or_die(pack_fd, pack_data->sha1, sizeof(pack_data->sha1)); | |
12801587 | 685 | close(pack_fd); |
f70b6534 SP |
686 | } |
687 | ||
688 | static int oecmp (const void *a_, const void *b_) | |
689 | { | |
690 | struct object_entry *a = *((struct object_entry**)a_); | |
691 | struct object_entry *b = *((struct object_entry**)b_); | |
692 | return hashcmp(a->sha1, b->sha1); | |
693 | } | |
694 | ||
e5b1444b | 695 | static char *create_index(void) |
f70b6534 | 696 | { |
8455e484 SP |
697 | static char tmpfile[PATH_MAX]; |
698 | SHA_CTX ctx; | |
f70b6534 SP |
699 | struct sha1file *f; |
700 | struct object_entry **idx, **c, **last, *e; | |
701 | struct object_entry_pool *o; | |
ebea9dd4 | 702 | uint32_t array[256]; |
8455e484 | 703 | int i, idx_fd; |
f70b6534 SP |
704 | |
705 | /* Build the sorted table of object IDs. */ | |
706 | idx = xmalloc(object_count * sizeof(struct object_entry*)); | |
707 | c = idx; | |
708 | for (o = blocks; o; o = o->next_pool) | |
d9ee53ce SP |
709 | for (e = o->next_free; e-- != o->entries;) |
710 | if (pack_id == e->pack_id) | |
711 | *c++ = e; | |
f70b6534 | 712 | last = idx + object_count; |
2fce1f3c SP |
713 | if (c != last) |
714 | die("internal consistency error creating the index"); | |
f70b6534 SP |
715 | qsort(idx, object_count, sizeof(struct object_entry*), oecmp); |
716 | ||
717 | /* Generate the fan-out array. */ | |
718 | c = idx; | |
719 | for (i = 0; i < 256; i++) { | |
720 | struct object_entry **next = c;; | |
721 | while (next < last) { | |
722 | if ((*next)->sha1[0] != i) | |
723 | break; | |
724 | next++; | |
725 | } | |
726 | array[i] = htonl(next - idx); | |
727 | c = next; | |
728 | } | |
729 | ||
8455e484 SP |
730 | snprintf(tmpfile, sizeof(tmpfile), |
731 | "%s/index_XXXXXX", get_object_directory()); | |
732 | idx_fd = mkstemp(tmpfile); | |
733 | if (idx_fd < 0) | |
734 | die("Can't create %s: %s", tmpfile, strerror(errno)); | |
735 | f = sha1fd(idx_fd, tmpfile); | |
f70b6534 | 736 | sha1write(f, array, 256 * sizeof(int)); |
8455e484 | 737 | SHA1_Init(&ctx); |
f70b6534 | 738 | for (c = idx; c != last; c++) { |
ebea9dd4 | 739 | uint32_t offset = htonl((*c)->offset); |
f70b6534 SP |
740 | sha1write(f, &offset, 4); |
741 | sha1write(f, (*c)->sha1, sizeof((*c)->sha1)); | |
8455e484 | 742 | SHA1_Update(&ctx, (*c)->sha1, 20); |
f70b6534 | 743 | } |
09543c96 | 744 | sha1write(f, pack_data->sha1, sizeof(pack_data->sha1)); |
8455e484 | 745 | sha1close(f, NULL, 1); |
f70b6534 | 746 | free(idx); |
8455e484 SP |
747 | SHA1_Final(pack_data->sha1, &ctx); |
748 | return tmpfile; | |
749 | } | |
750 | ||
e5b1444b | 751 | static char *keep_pack(char *curr_index_name) |
8455e484 SP |
752 | { |
753 | static char name[PATH_MAX]; | |
754 | static char *keep_msg = "fast-import"; | |
755 | int keep_fd; | |
756 | ||
757 | chmod(pack_data->pack_name, 0444); | |
758 | chmod(curr_index_name, 0444); | |
759 | ||
760 | snprintf(name, sizeof(name), "%s/pack/pack-%s.keep", | |
761 | get_object_directory(), sha1_to_hex(pack_data->sha1)); | |
762 | keep_fd = open(name, O_RDWR|O_CREAT|O_EXCL, 0600); | |
763 | if (keep_fd < 0) | |
764 | die("cannot create keep file"); | |
765 | write(keep_fd, keep_msg, strlen(keep_msg)); | |
766 | close(keep_fd); | |
767 | ||
768 | snprintf(name, sizeof(name), "%s/pack/pack-%s.pack", | |
769 | get_object_directory(), sha1_to_hex(pack_data->sha1)); | |
770 | if (move_temp_to_file(pack_data->pack_name, name)) | |
771 | die("cannot store pack file"); | |
8455e484 SP |
772 | |
773 | snprintf(name, sizeof(name), "%s/pack/pack-%s.idx", | |
774 | get_object_directory(), sha1_to_hex(pack_data->sha1)); | |
775 | if (move_temp_to_file(curr_index_name, name)) | |
776 | die("cannot store index file"); | |
777 | return name; | |
778 | } | |
779 | ||
fd99224e | 780 | static void unkeep_all_packs(void) |
8455e484 SP |
781 | { |
782 | static char name[PATH_MAX]; | |
783 | int k; | |
784 | ||
785 | for (k = 0; k < pack_id; k++) { | |
786 | struct packed_git *p = all_packs[k]; | |
787 | snprintf(name, sizeof(name), "%s/pack/pack-%s.keep", | |
788 | get_object_directory(), sha1_to_hex(p->sha1)); | |
789 | unlink(name); | |
790 | } | |
f70b6534 SP |
791 | } |
792 | ||
fd99224e | 793 | static void end_packfile(void) |
f70b6534 | 794 | { |
7bfe6e26 SP |
795 | struct packed_git *old_p = pack_data, *new_p; |
796 | ||
3e005baf | 797 | if (object_count) { |
8455e484 | 798 | char *idx_name; |
2369ed79 SP |
799 | int i; |
800 | struct branch *b; | |
801 | struct tag *t; | |
8455e484 | 802 | |
3e005baf | 803 | fixup_header_footer(); |
8455e484 | 804 | idx_name = keep_pack(create_index()); |
3e005baf SP |
805 | |
806 | /* Register the packfile with core git's machinary. */ | |
807 | new_p = add_packed_git(idx_name, strlen(idx_name), 1); | |
808 | if (!new_p) | |
809 | die("core git rejected index %s", idx_name); | |
810 | new_p->windows = old_p->windows; | |
2369ed79 | 811 | all_packs[pack_id] = new_p; |
3e005baf | 812 | install_packed_git(new_p); |
2369ed79 SP |
813 | |
814 | /* Print the boundary */ | |
bdf1c06d SP |
815 | if (pack_edges) { |
816 | fprintf(pack_edges, "%s:", new_p->pack_name); | |
817 | for (i = 0; i < branch_table_sz; i++) { | |
818 | for (b = branch_table[i]; b; b = b->table_next_branch) { | |
819 | if (b->pack_id == pack_id) | |
820 | fprintf(pack_edges, " %s", sha1_to_hex(b->sha1)); | |
821 | } | |
2369ed79 | 822 | } |
bdf1c06d SP |
823 | for (t = first_tag; t; t = t->next_tag) { |
824 | if (t->pack_id == pack_id) | |
825 | fprintf(pack_edges, " %s", sha1_to_hex(t->sha1)); | |
826 | } | |
827 | fputc('\n', pack_edges); | |
828 | fflush(pack_edges); | |
2369ed79 | 829 | } |
2369ed79 SP |
830 | |
831 | pack_id++; | |
3e005baf | 832 | } |
12801587 | 833 | else |
3e005baf | 834 | unlink(old_p->pack_name); |
7bfe6e26 | 835 | free(old_p); |
7bfe6e26 SP |
836 | |
837 | /* We can't carry a delta across packfiles. */ | |
838 | free(last_blob.data); | |
839 | last_blob.data = NULL; | |
840 | last_blob.len = 0; | |
841 | last_blob.offset = 0; | |
842 | last_blob.depth = 0; | |
f70b6534 SP |
843 | } |
844 | ||
820b9310 | 845 | static void cycle_packfile(void) |
d9ee53ce SP |
846 | { |
847 | end_packfile(); | |
848 | start_packfile(); | |
849 | } | |
850 | ||
c44cdc7e | 851 | static size_t encode_header( |
ac47a738 | 852 | enum object_type type, |
c44cdc7e | 853 | size_t size, |
ac47a738 | 854 | unsigned char *hdr) |
db5e523f SP |
855 | { |
856 | int n = 1; | |
857 | unsigned char c; | |
858 | ||
1fcdd62a | 859 | if (type < OBJ_COMMIT || type > OBJ_REF_DELTA) |
db5e523f SP |
860 | die("bad type %d", type); |
861 | ||
862 | c = (type << 4) | (size & 15); | |
863 | size >>= 4; | |
864 | while (size) { | |
865 | *hdr++ = c | 0x80; | |
866 | c = size & 0x7f; | |
867 | size >>= 7; | |
868 | n++; | |
869 | } | |
870 | *hdr = c; | |
871 | return n; | |
872 | } | |
873 | ||
ac47a738 SP |
874 | static int store_object( |
875 | enum object_type type, | |
876 | void *dat, | |
c44cdc7e | 877 | size_t datlen, |
6bb5b329 | 878 | struct last_object *last, |
d8397168 | 879 | unsigned char *sha1out, |
0ea9f045 | 880 | uintmax_t mark) |
db5e523f | 881 | { |
db5e523f | 882 | void *out, *delta; |
ac47a738 SP |
883 | struct object_entry *e; |
884 | unsigned char hdr[96]; | |
885 | unsigned char sha1[20]; | |
db5e523f | 886 | unsigned long hdrlen, deltalen; |
ac47a738 SP |
887 | SHA_CTX c; |
888 | z_stream s; | |
889 | ||
40db58b8 JS |
890 | hdrlen = sprintf((char*)hdr,"%s %lu", type_names[type], |
891 | (unsigned long)datlen) + 1; | |
ac47a738 SP |
892 | SHA1_Init(&c); |
893 | SHA1_Update(&c, hdr, hdrlen); | |
894 | SHA1_Update(&c, dat, datlen); | |
895 | SHA1_Final(sha1, &c); | |
6bb5b329 | 896 | if (sha1out) |
445b8599 | 897 | hashcpy(sha1out, sha1); |
ac47a738 SP |
898 | |
899 | e = insert_object(sha1); | |
d8397168 SP |
900 | if (mark) |
901 | insert_mark(mark, e); | |
ac47a738 | 902 | if (e->offset) { |
6143f064 | 903 | duplicate_count_by_type[type]++; |
463acbe1 | 904 | return 1; |
ac47a738 | 905 | } |
db5e523f | 906 | |
d9ee53ce | 907 | if (last && last->data && last->depth < max_depth) { |
ac47a738 | 908 | delta = diff_delta(last->data, last->len, |
db5e523f SP |
909 | dat, datlen, |
910 | &deltalen, 0); | |
d9ee53ce SP |
911 | if (delta && deltalen >= datlen) { |
912 | free(delta); | |
913 | delta = NULL; | |
914 | } | |
915 | } else | |
916 | delta = NULL; | |
db5e523f SP |
917 | |
918 | memset(&s, 0, sizeof(s)); | |
919 | deflateInit(&s, zlib_compression_level); | |
d9ee53ce SP |
920 | if (delta) { |
921 | s.next_in = delta; | |
922 | s.avail_in = deltalen; | |
923 | } else { | |
924 | s.next_in = dat; | |
925 | s.avail_in = datlen; | |
926 | } | |
927 | s.avail_out = deflateBound(&s, s.avail_in); | |
928 | s.next_out = out = xmalloc(s.avail_out); | |
929 | while (deflate(&s, Z_FINISH) == Z_OK) | |
930 | /* nothing */; | |
931 | deflateEnd(&s); | |
932 | ||
933 | /* Determine if we should auto-checkpoint. */ | |
e5808826 | 934 | if ((pack_size + 60 + s.total_out) > max_packsize |
d9ee53ce SP |
935 | || (pack_size + 60 + s.total_out) < pack_size) { |
936 | ||
937 | /* This new object needs to *not* have the current pack_id. */ | |
938 | e->pack_id = pack_id + 1; | |
820b9310 | 939 | cycle_packfile(); |
d9ee53ce SP |
940 | |
941 | /* We cannot carry a delta into the new pack. */ | |
942 | if (delta) { | |
943 | free(delta); | |
944 | delta = NULL; | |
5d6f3ef6 SP |
945 | |
946 | memset(&s, 0, sizeof(s)); | |
947 | deflateInit(&s, zlib_compression_level); | |
948 | s.next_in = dat; | |
949 | s.avail_in = datlen; | |
950 | s.avail_out = deflateBound(&s, s.avail_in); | |
951 | s.next_out = out = xrealloc(out, s.avail_out); | |
952 | while (deflate(&s, Z_FINISH) == Z_OK) | |
953 | /* nothing */; | |
954 | deflateEnd(&s); | |
d9ee53ce | 955 | } |
d9ee53ce SP |
956 | } |
957 | ||
958 | e->type = type; | |
959 | e->pack_id = pack_id; | |
960 | e->offset = pack_size; | |
961 | object_count++; | |
962 | object_count_by_type[type]++; | |
db5e523f SP |
963 | |
964 | if (delta) { | |
d489bc14 SP |
965 | unsigned long ofs = e->offset - last->offset; |
966 | unsigned pos = sizeof(hdr) - 1; | |
967 | ||
4cabf858 | 968 | delta_count_by_type[type]++; |
ac47a738 | 969 | last->depth++; |
d489bc14 SP |
970 | |
971 | hdrlen = encode_header(OBJ_OFS_DELTA, deltalen, hdr); | |
0fcbcae7 | 972 | write_or_die(pack_data->pack_fd, hdr, hdrlen); |
d489bc14 SP |
973 | pack_size += hdrlen; |
974 | ||
975 | hdr[pos] = ofs & 127; | |
976 | while (ofs >>= 7) | |
977 | hdr[--pos] = 128 | (--ofs & 127); | |
0fcbcae7 | 978 | write_or_die(pack_data->pack_fd, hdr + pos, sizeof(hdr) - pos); |
d489bc14 | 979 | pack_size += sizeof(hdr) - pos; |
db5e523f | 980 | } else { |
463acbe1 SP |
981 | if (last) |
982 | last->depth = 0; | |
ac47a738 | 983 | hdrlen = encode_header(type, datlen, hdr); |
0fcbcae7 | 984 | write_or_die(pack_data->pack_fd, hdr, hdrlen); |
41e5257f | 985 | pack_size += hdrlen; |
db5e523f SP |
986 | } |
987 | ||
0fcbcae7 | 988 | write_or_die(pack_data->pack_fd, out, s.total_out); |
41e5257f | 989 | pack_size += s.total_out; |
db5e523f SP |
990 | |
991 | free(out); | |
e7d06a4b | 992 | free(delta); |
463acbe1 | 993 | if (last) { |
e7d06a4b | 994 | if (!last->no_free) |
463acbe1 SP |
995 | free(last->data); |
996 | last->data = dat; | |
d489bc14 | 997 | last->offset = e->offset; |
463acbe1 | 998 | last->len = datlen; |
463acbe1 SP |
999 | } |
1000 | return 0; | |
1001 | } | |
1002 | ||
7bfe6e26 SP |
1003 | static void *gfi_unpack_entry( |
1004 | struct object_entry *oe, | |
1005 | unsigned long *sizep) | |
41e5257f | 1006 | { |
7bfe6e26 SP |
1007 | static char type[20]; |
1008 | struct packed_git *p = all_packs[oe->pack_id]; | |
1009 | if (p == pack_data) | |
1010 | p->pack_size = pack_size + 20; | |
1011 | return unpack_entry(p, oe->offset, type, sizep); | |
41e5257f SP |
1012 | } |
1013 | ||
10831c55 | 1014 | static const char *get_mode(const char *str, uint16_t *modep) |
463acbe1 SP |
1015 | { |
1016 | unsigned char c; | |
10831c55 | 1017 | uint16_t mode = 0; |
463acbe1 SP |
1018 | |
1019 | while ((c = *str++) != ' ') { | |
1020 | if (c < '0' || c > '7') | |
1021 | return NULL; | |
1022 | mode = (mode << 3) + (c - '0'); | |
1023 | } | |
1024 | *modep = mode; | |
1025 | return str; | |
1026 | } | |
1027 | ||
1028 | static void load_tree(struct tree_entry *root) | |
1029 | { | |
4cabf858 | 1030 | unsigned char* sha1 = root->versions[1].sha1; |
463acbe1 SP |
1031 | struct object_entry *myoe; |
1032 | struct tree_content *t; | |
1033 | unsigned long size; | |
1034 | char *buf; | |
1035 | const char *c; | |
463acbe1 SP |
1036 | |
1037 | root->tree = t = new_tree_content(8); | |
4cabf858 | 1038 | if (is_null_sha1(sha1)) |
463acbe1 SP |
1039 | return; |
1040 | ||
4cabf858 | 1041 | myoe = find_object(sha1); |
463acbe1 | 1042 | if (myoe) { |
41e5257f | 1043 | if (myoe->type != OBJ_TREE) |
4cabf858 | 1044 | die("Not a tree: %s", sha1_to_hex(sha1)); |
d489bc14 | 1045 | t->delta_depth = 0; |
7bfe6e26 | 1046 | buf = gfi_unpack_entry(myoe, &size); |
463acbe1 | 1047 | } else { |
41e5257f | 1048 | char type[20]; |
4cabf858 | 1049 | buf = read_sha1_file(sha1, type, &size); |
00e2b884 | 1050 | if (!buf || strcmp(type, tree_type)) |
4cabf858 | 1051 | die("Can't load tree %s", sha1_to_hex(sha1)); |
463acbe1 SP |
1052 | } |
1053 | ||
1054 | c = buf; | |
1055 | while (c != (buf + size)) { | |
1056 | struct tree_entry *e = new_tree_entry(); | |
1057 | ||
1058 | if (t->entry_count == t->entry_capacity) | |
1059 | root->tree = t = grow_tree_content(t, 8); | |
1060 | t->entries[t->entry_count++] = e; | |
1061 | ||
1062 | e->tree = NULL; | |
4cabf858 | 1063 | c = get_mode(c, &e->versions[1].mode); |
463acbe1 | 1064 | if (!c) |
4cabf858 SP |
1065 | die("Corrupt mode in %s", sha1_to_hex(sha1)); |
1066 | e->versions[0].mode = e->versions[1].mode; | |
10831c55 | 1067 | e->name = to_atom(c, (unsigned short)strlen(c)); |
463acbe1 | 1068 | c += e->name->str_len + 1; |
4cabf858 SP |
1069 | hashcpy(e->versions[0].sha1, (unsigned char*)c); |
1070 | hashcpy(e->versions[1].sha1, (unsigned char*)c); | |
463acbe1 SP |
1071 | c += 20; |
1072 | } | |
1073 | free(buf); | |
1074 | } | |
1075 | ||
4cabf858 | 1076 | static int tecmp0 (const void *_a, const void *_b) |
463acbe1 SP |
1077 | { |
1078 | struct tree_entry *a = *((struct tree_entry**)_a); | |
1079 | struct tree_entry *b = *((struct tree_entry**)_b); | |
1080 | return base_name_compare( | |
4cabf858 SP |
1081 | a->name->str_dat, a->name->str_len, a->versions[0].mode, |
1082 | b->name->str_dat, b->name->str_len, b->versions[0].mode); | |
463acbe1 SP |
1083 | } |
1084 | ||
4cabf858 | 1085 | static int tecmp1 (const void *_a, const void *_b) |
463acbe1 | 1086 | { |
4cabf858 SP |
1087 | struct tree_entry *a = *((struct tree_entry**)_a); |
1088 | struct tree_entry *b = *((struct tree_entry**)_b); | |
1089 | return base_name_compare( | |
1090 | a->name->str_dat, a->name->str_len, a->versions[1].mode, | |
1091 | b->name->str_dat, b->name->str_len, b->versions[1].mode); | |
1092 | } | |
1093 | ||
e2eb469d SP |
1094 | static void mktree(struct tree_content *t, |
1095 | int v, | |
1096 | unsigned long *szp, | |
1097 | struct dbuf *b) | |
4cabf858 SP |
1098 | { |
1099 | size_t maxlen = 0; | |
463acbe1 | 1100 | unsigned int i; |
e2eb469d | 1101 | char *c; |
463acbe1 | 1102 | |
4cabf858 SP |
1103 | if (!v) |
1104 | qsort(t->entries,t->entry_count,sizeof(t->entries[0]),tecmp0); | |
1105 | else | |
1106 | qsort(t->entries,t->entry_count,sizeof(t->entries[0]),tecmp1); | |
463acbe1 | 1107 | |
463acbe1 | 1108 | for (i = 0; i < t->entry_count; i++) { |
4cabf858 SP |
1109 | if (t->entries[i]->versions[v].mode) |
1110 | maxlen += t->entries[i]->name->str_len + 34; | |
463acbe1 SP |
1111 | } |
1112 | ||
243f801d | 1113 | size_dbuf(b, maxlen); |
e2eb469d | 1114 | c = b->buffer; |
463acbe1 SP |
1115 | for (i = 0; i < t->entry_count; i++) { |
1116 | struct tree_entry *e = t->entries[i]; | |
4cabf858 SP |
1117 | if (!e->versions[v].mode) |
1118 | continue; | |
10831c55 | 1119 | c += sprintf(c, "%o", (unsigned int)e->versions[v].mode); |
463acbe1 SP |
1120 | *c++ = ' '; |
1121 | strcpy(c, e->name->str_dat); | |
1122 | c += e->name->str_len + 1; | |
4cabf858 | 1123 | hashcpy((unsigned char*)c, e->versions[v].sha1); |
463acbe1 SP |
1124 | c += 20; |
1125 | } | |
e2eb469d | 1126 | *szp = c - (char*)b->buffer; |
4cabf858 SP |
1127 | } |
1128 | ||
1129 | static void store_tree(struct tree_entry *root) | |
1130 | { | |
1131 | struct tree_content *t = root->tree; | |
1132 | unsigned int i, j, del; | |
e2eb469d | 1133 | unsigned long new_len; |
4cabf858 | 1134 | struct last_object lo; |
d489bc14 | 1135 | struct object_entry *le; |
4cabf858 SP |
1136 | |
1137 | if (!is_null_sha1(root->versions[1].sha1)) | |
1138 | return; | |
1139 | ||
1140 | for (i = 0; i < t->entry_count; i++) { | |
1141 | if (t->entries[i]->tree) | |
1142 | store_tree(t->entries[i]); | |
1143 | } | |
1144 | ||
d489bc14 | 1145 | le = find_object(root->versions[0].sha1); |
7bfe6e26 SP |
1146 | if (!S_ISDIR(root->versions[0].mode) |
1147 | || !le | |
1148 | || le->pack_id != pack_id) { | |
4cabf858 SP |
1149 | lo.data = NULL; |
1150 | lo.depth = 0; | |
1151 | } else { | |
e2eb469d SP |
1152 | mktree(t, 0, &lo.len, &old_tree); |
1153 | lo.data = old_tree.buffer; | |
d489bc14 | 1154 | lo.offset = le->offset; |
4cabf858 | 1155 | lo.depth = t->delta_depth; |
e2eb469d | 1156 | lo.no_free = 1; |
4cabf858 | 1157 | } |
4cabf858 | 1158 | |
8a8c55ea | 1159 | mktree(t, 1, &new_len, &new_tree); |
e2eb469d | 1160 | store_object(OBJ_TREE, new_tree.buffer, new_len, |
4cabf858 | 1161 | &lo, root->versions[1].sha1, 0); |
4cabf858 SP |
1162 | |
1163 | t->delta_depth = lo.depth; | |
4cabf858 SP |
1164 | for (i = 0, j = 0, del = 0; i < t->entry_count; i++) { |
1165 | struct tree_entry *e = t->entries[i]; | |
1166 | if (e->versions[1].mode) { | |
1167 | e->versions[0].mode = e->versions[1].mode; | |
1168 | hashcpy(e->versions[0].sha1, e->versions[1].sha1); | |
1169 | t->entries[j++] = e; | |
1170 | } else { | |
1171 | release_tree_entry(e); | |
1172 | del++; | |
1173 | } | |
1174 | } | |
1175 | t->entry_count -= del; | |
463acbe1 SP |
1176 | } |
1177 | ||
1178 | static int tree_content_set( | |
1179 | struct tree_entry *root, | |
1180 | const char *p, | |
1181 | const unsigned char *sha1, | |
10831c55 | 1182 | const uint16_t mode) |
463acbe1 SP |
1183 | { |
1184 | struct tree_content *t = root->tree; | |
1185 | const char *slash1; | |
1186 | unsigned int i, n; | |
1187 | struct tree_entry *e; | |
1188 | ||
1189 | slash1 = strchr(p, '/'); | |
1190 | if (slash1) | |
1191 | n = slash1 - p; | |
1192 | else | |
1193 | n = strlen(p); | |
1194 | ||
1195 | for (i = 0; i < t->entry_count; i++) { | |
1196 | e = t->entries[i]; | |
1197 | if (e->name->str_len == n && !strncmp(p, e->name->str_dat, n)) { | |
1198 | if (!slash1) { | |
4cabf858 SP |
1199 | if (e->versions[1].mode == mode |
1200 | && !hashcmp(e->versions[1].sha1, sha1)) | |
463acbe1 | 1201 | return 0; |
4cabf858 SP |
1202 | e->versions[1].mode = mode; |
1203 | hashcpy(e->versions[1].sha1, sha1); | |
463acbe1 | 1204 | if (e->tree) { |
afde8dd9 | 1205 | release_tree_content_recursive(e->tree); |
463acbe1 SP |
1206 | e->tree = NULL; |
1207 | } | |
4cabf858 | 1208 | hashclr(root->versions[1].sha1); |
463acbe1 SP |
1209 | return 1; |
1210 | } | |
4cabf858 | 1211 | if (!S_ISDIR(e->versions[1].mode)) { |
463acbe1 | 1212 | e->tree = new_tree_content(8); |
4cabf858 | 1213 | e->versions[1].mode = S_IFDIR; |
463acbe1 SP |
1214 | } |
1215 | if (!e->tree) | |
1216 | load_tree(e); | |
1217 | if (tree_content_set(e, slash1 + 1, sha1, mode)) { | |
4cabf858 | 1218 | hashclr(root->versions[1].sha1); |
463acbe1 SP |
1219 | return 1; |
1220 | } | |
1221 | return 0; | |
1222 | } | |
1223 | } | |
1224 | ||
1225 | if (t->entry_count == t->entry_capacity) | |
1226 | root->tree = t = grow_tree_content(t, 8); | |
1227 | e = new_tree_entry(); | |
10831c55 | 1228 | e->name = to_atom(p, (unsigned short)n); |
4cabf858 SP |
1229 | e->versions[0].mode = 0; |
1230 | hashclr(e->versions[0].sha1); | |
463acbe1 SP |
1231 | t->entries[t->entry_count++] = e; |
1232 | if (slash1) { | |
1233 | e->tree = new_tree_content(8); | |
4cabf858 | 1234 | e->versions[1].mode = S_IFDIR; |
463acbe1 SP |
1235 | tree_content_set(e, slash1 + 1, sha1, mode); |
1236 | } else { | |
1237 | e->tree = NULL; | |
4cabf858 SP |
1238 | e->versions[1].mode = mode; |
1239 | hashcpy(e->versions[1].sha1, sha1); | |
463acbe1 | 1240 | } |
4cabf858 | 1241 | hashclr(root->versions[1].sha1); |
463acbe1 SP |
1242 | return 1; |
1243 | } | |
1244 | ||
1245 | static int tree_content_remove(struct tree_entry *root, const char *p) | |
1246 | { | |
1247 | struct tree_content *t = root->tree; | |
1248 | const char *slash1; | |
1249 | unsigned int i, n; | |
1250 | struct tree_entry *e; | |
1251 | ||
1252 | slash1 = strchr(p, '/'); | |
1253 | if (slash1) | |
1254 | n = slash1 - p; | |
1255 | else | |
1256 | n = strlen(p); | |
1257 | ||
1258 | for (i = 0; i < t->entry_count; i++) { | |
1259 | e = t->entries[i]; | |
1260 | if (e->name->str_len == n && !strncmp(p, e->name->str_dat, n)) { | |
4cabf858 | 1261 | if (!slash1 || !S_ISDIR(e->versions[1].mode)) |
463acbe1 SP |
1262 | goto del_entry; |
1263 | if (!e->tree) | |
1264 | load_tree(e); | |
1265 | if (tree_content_remove(e, slash1 + 1)) { | |
b54d6422 SP |
1266 | for (n = 0; n < e->tree->entry_count; n++) { |
1267 | if (e->tree->entries[n]->versions[1].mode) { | |
1268 | hashclr(root->versions[1].sha1); | |
1269 | return 1; | |
1270 | } | |
1271 | } | |
1272 | goto del_entry; | |
463acbe1 SP |
1273 | } |
1274 | return 0; | |
1275 | } | |
1276 | } | |
1277 | return 0; | |
1278 | ||
1279 | del_entry: | |
4cabf858 SP |
1280 | if (e->tree) { |
1281 | release_tree_content_recursive(e->tree); | |
1282 | e->tree = NULL; | |
1283 | } | |
1284 | e->versions[1].mode = 0; | |
1285 | hashclr(e->versions[1].sha1); | |
1286 | hashclr(root->versions[1].sha1); | |
ac47a738 | 1287 | return 1; |
db5e523f SP |
1288 | } |
1289 | ||
7073e69e | 1290 | static int update_branch(struct branch *b) |
463acbe1 SP |
1291 | { |
1292 | static const char *msg = "fast-import"; | |
7073e69e SP |
1293 | struct ref_lock *lock; |
1294 | unsigned char old_sha1[20]; | |
1295 | ||
1296 | if (read_ref(b->name, old_sha1)) | |
1297 | hashclr(old_sha1); | |
1298 | lock = lock_any_ref_for_update(b->name, old_sha1); | |
1299 | if (!lock) | |
1300 | return error("Unable to lock %s", b->name); | |
1301 | if (!force_update && !is_null_sha1(old_sha1)) { | |
1302 | struct commit *old_cmit, *new_cmit; | |
1303 | ||
1304 | old_cmit = lookup_commit_reference_gently(old_sha1, 0); | |
1305 | new_cmit = lookup_commit_reference_gently(b->sha1, 0); | |
1306 | if (!old_cmit || !new_cmit) { | |
1307 | unlock_ref(lock); | |
1308 | return error("Branch %s is missing commits.", b->name); | |
1309 | } | |
1310 | ||
1311 | if (!in_merge_bases(old_cmit, new_cmit)) { | |
1312 | unlock_ref(lock); | |
1313 | warn("Not updating %s" | |
1314 | " (new tip %s does not contain %s)", | |
1315 | b->name, sha1_to_hex(b->sha1), sha1_to_hex(old_sha1)); | |
1316 | return -1; | |
1317 | } | |
1318 | } | |
1319 | if (write_ref_sha1(lock, b->sha1, msg) < 0) | |
1320 | return error("Unable to update %s", b->name); | |
1321 | return 0; | |
1322 | } | |
1323 | ||
1324 | static void dump_branches(void) | |
1325 | { | |
463acbe1 SP |
1326 | unsigned int i; |
1327 | struct branch *b; | |
463acbe1 SP |
1328 | |
1329 | for (i = 0; i < branch_table_sz; i++) { | |
7073e69e SP |
1330 | for (b = branch_table[i]; b; b = b->table_next_branch) |
1331 | failure |= update_branch(b); | |
463acbe1 SP |
1332 | } |
1333 | } | |
1334 | ||
fd99224e | 1335 | static void dump_tags(void) |
72303d44 SP |
1336 | { |
1337 | static const char *msg = "fast-import"; | |
1338 | struct tag *t; | |
1339 | struct ref_lock *lock; | |
7073e69e | 1340 | char ref_name[PATH_MAX]; |
72303d44 SP |
1341 | |
1342 | for (t = first_tag; t; t = t->next_tag) { | |
7073e69e SP |
1343 | sprintf(ref_name, "tags/%s", t->name); |
1344 | lock = lock_ref_sha1(ref_name, NULL); | |
72303d44 | 1345 | if (!lock || write_ref_sha1(lock, t->sha1, msg) < 0) |
7073e69e | 1346 | failure |= error("Unable to update %s", ref_name); |
72303d44 SP |
1347 | } |
1348 | } | |
1349 | ||
a6a1a831 | 1350 | static void dump_marks_helper(FILE *f, |
0ea9f045 | 1351 | uintmax_t base, |
a6a1a831 SP |
1352 | struct mark_set *m) |
1353 | { | |
0ea9f045 | 1354 | uintmax_t k; |
a6a1a831 SP |
1355 | if (m->shift) { |
1356 | for (k = 0; k < 1024; k++) { | |
1357 | if (m->data.sets[k]) | |
1358 | dump_marks_helper(f, (base + k) << m->shift, | |
1359 | m->data.sets[k]); | |
1360 | } | |
1361 | } else { | |
1362 | for (k = 0; k < 1024; k++) { | |
1363 | if (m->data.marked[k]) | |
0ea9f045 | 1364 | fprintf(f, ":%ju %s\n", base + k, |
a6a1a831 SP |
1365 | sha1_to_hex(m->data.marked[k]->sha1)); |
1366 | } | |
1367 | } | |
1368 | } | |
1369 | ||
fd99224e | 1370 | static void dump_marks(void) |
a6a1a831 SP |
1371 | { |
1372 | if (mark_file) | |
1373 | { | |
1374 | FILE *f = fopen(mark_file, "w"); | |
22c9f7e4 SP |
1375 | if (f) { |
1376 | dump_marks_helper(f, 0, marks); | |
1377 | fclose(f); | |
1378 | } else | |
1379 | failure |= error("Unable to write marks file %s: %s", | |
1380 | mark_file, strerror(errno)); | |
a6a1a831 SP |
1381 | } |
1382 | } | |
1383 | ||
fd99224e | 1384 | static void read_next_command(void) |
c44cdc7e SP |
1385 | { |
1386 | read_line(&command_buf, stdin, '\n'); | |
1387 | } | |
1388 | ||
fd99224e | 1389 | static void cmd_mark(void) |
c44cdc7e SP |
1390 | { |
1391 | if (!strncmp("mark :", command_buf.buf, 6)) { | |
0ea9f045 | 1392 | next_mark = strtoumax(command_buf.buf + 6, NULL, 10); |
c44cdc7e SP |
1393 | read_next_command(); |
1394 | } | |
1395 | else | |
d8397168 | 1396 | next_mark = 0; |
c44cdc7e SP |
1397 | } |
1398 | ||
e5b1444b | 1399 | static void *cmd_data (size_t *size) |
c44cdc7e | 1400 | { |
c44cdc7e | 1401 | size_t length; |
3b4dce02 | 1402 | char *buffer; |
c44cdc7e SP |
1403 | |
1404 | if (strncmp("data ", command_buf.buf, 5)) | |
1405 | die("Expected 'data n' command, found: %s", command_buf.buf); | |
1406 | ||
3b4dce02 SP |
1407 | if (!strncmp("<<", command_buf.buf + 5, 2)) { |
1408 | char *term = xstrdup(command_buf.buf + 5 + 2); | |
1409 | size_t sz = 8192, term_len = command_buf.len - 5 - 2; | |
1410 | length = 0; | |
1411 | buffer = xmalloc(sz); | |
1412 | for (;;) { | |
1413 | read_next_command(); | |
1414 | if (command_buf.eof) | |
1415 | die("EOF in data (terminator '%s' not found)", term); | |
1416 | if (term_len == command_buf.len | |
1417 | && !strcmp(term, command_buf.buf)) | |
1418 | break; | |
1419 | if (sz < (length + command_buf.len)) { | |
1420 | sz = sz * 3 / 2 + 16; | |
1421 | if (sz < (length + command_buf.len)) | |
1422 | sz = length + command_buf.len; | |
1423 | buffer = xrealloc(buffer, sz); | |
1424 | } | |
1425 | memcpy(buffer + length, | |
1426 | command_buf.buf, | |
1427 | command_buf.len - 1); | |
1428 | length += command_buf.len - 1; | |
1429 | buffer[length++] = '\n'; | |
1430 | } | |
1431 | free(term); | |
1432 | } | |
1433 | else { | |
1434 | size_t n = 0; | |
1435 | length = strtoul(command_buf.buf + 5, NULL, 10); | |
1436 | buffer = xmalloc(length); | |
1437 | while (n < length) { | |
1438 | size_t s = fread(buffer + n, 1, length - n, stdin); | |
1439 | if (!s && feof(stdin)) | |
40db58b8 JS |
1440 | die("EOF in data (%lu bytes remaining)", |
1441 | (unsigned long)(length - n)); | |
3b4dce02 SP |
1442 | n += s; |
1443 | } | |
c44cdc7e SP |
1444 | } |
1445 | ||
1446 | if (fgetc(stdin) != '\n') | |
1447 | die("An lf did not trail the binary data as expected."); | |
1448 | ||
1449 | *size = length; | |
1450 | return buffer; | |
1451 | } | |
1452 | ||
63e0c8b3 SP |
1453 | static int validate_raw_date(const char *src, char *result, int maxlen) |
1454 | { | |
1455 | const char *orig_src = src; | |
1456 | char *endp, sign; | |
1457 | ||
1458 | strtoul(src, &endp, 10); | |
1459 | if (endp == src || *endp != ' ') | |
1460 | return -1; | |
1461 | ||
1462 | src = endp + 1; | |
1463 | if (*src != '-' && *src != '+') | |
1464 | return -1; | |
1465 | sign = *src; | |
1466 | ||
1467 | strtoul(src + 1, &endp, 10); | |
1468 | if (endp == src || *endp || (endp - orig_src) >= maxlen) | |
1469 | return -1; | |
1470 | ||
1471 | strcpy(result, orig_src); | |
1472 | return 0; | |
1473 | } | |
1474 | ||
1475 | static char *parse_ident(const char *buf) | |
1476 | { | |
1477 | const char *gt; | |
1478 | size_t name_len; | |
1479 | char *ident; | |
1480 | ||
1481 | gt = strrchr(buf, '>'); | |
1482 | if (!gt) | |
1483 | die("Missing > in ident string: %s", buf); | |
1484 | gt++; | |
1485 | if (*gt != ' ') | |
1486 | die("Missing space after > in ident string: %s", buf); | |
1487 | gt++; | |
1488 | name_len = gt - buf; | |
1489 | ident = xmalloc(name_len + 24); | |
1490 | strncpy(ident, buf, name_len); | |
1491 | ||
1492 | switch (whenspec) { | |
1493 | case WHENSPEC_RAW: | |
1494 | if (validate_raw_date(gt, ident + name_len, 24) < 0) | |
1495 | die("Invalid raw date \"%s\" in ident: %s", gt, buf); | |
1496 | break; | |
1497 | case WHENSPEC_RFC2822: | |
1498 | if (parse_date(gt, ident + name_len, 24) < 0) | |
1499 | die("Invalid rfc2822 date \"%s\" in ident: %s", gt, buf); | |
1500 | break; | |
1501 | case WHENSPEC_NOW: | |
1502 | if (strcmp("now", gt)) | |
1503 | die("Date in ident must be 'now': %s", buf); | |
1504 | datestamp(ident + name_len, 24); | |
1505 | break; | |
1506 | } | |
1507 | ||
1508 | return ident; | |
1509 | } | |
1510 | ||
fd99224e | 1511 | static void cmd_new_blob(void) |
6143f064 | 1512 | { |
d8397168 SP |
1513 | size_t l; |
1514 | void *d; | |
c44cdc7e SP |
1515 | |
1516 | read_next_command(); | |
1517 | cmd_mark(); | |
d8397168 | 1518 | d = cmd_data(&l); |
6143f064 | 1519 | |
d8397168 SP |
1520 | if (store_object(OBJ_BLOB, d, l, &last_blob, NULL, next_mark)) |
1521 | free(d); | |
6143f064 SP |
1522 | } |
1523 | ||
fd99224e | 1524 | static void unload_one_branch(void) |
6bb5b329 | 1525 | { |
41e5257f SP |
1526 | while (cur_active_branches |
1527 | && cur_active_branches >= max_active_branches) { | |
463acbe1 SP |
1528 | unsigned long min_commit = ULONG_MAX; |
1529 | struct branch *e, *l = NULL, *p = NULL; | |
1530 | ||
1531 | for (e = active_branches; e; e = e->active_next_branch) { | |
1532 | if (e->last_commit < min_commit) { | |
1533 | p = l; | |
1534 | min_commit = e->last_commit; | |
1535 | } | |
1536 | l = e; | |
1537 | } | |
1538 | ||
1539 | if (p) { | |
1540 | e = p->active_next_branch; | |
1541 | p->active_next_branch = e->active_next_branch; | |
1542 | } else { | |
1543 | e = active_branches; | |
1544 | active_branches = e->active_next_branch; | |
1545 | } | |
1546 | e->active_next_branch = NULL; | |
1547 | if (e->branch_tree.tree) { | |
afde8dd9 | 1548 | release_tree_content_recursive(e->branch_tree.tree); |
463acbe1 SP |
1549 | e->branch_tree.tree = NULL; |
1550 | } | |
1551 | cur_active_branches--; | |
6bb5b329 | 1552 | } |
6bb5b329 SP |
1553 | } |
1554 | ||
463acbe1 | 1555 | static void load_branch(struct branch *b) |
6bb5b329 | 1556 | { |
463acbe1 SP |
1557 | load_tree(&b->branch_tree); |
1558 | b->active_next_branch = active_branches; | |
1559 | active_branches = b; | |
1560 | cur_active_branches++; | |
d6c7eb2c | 1561 | branch_load_count++; |
6bb5b329 SP |
1562 | } |
1563 | ||
463acbe1 | 1564 | static void file_change_m(struct branch *b) |
6bb5b329 | 1565 | { |
c44cdc7e SP |
1566 | const char *p = command_buf.buf + 2; |
1567 | char *p_uq; | |
1568 | const char *endp; | |
10e8d688 | 1569 | struct object_entry *oe = oe; |
463acbe1 | 1570 | unsigned char sha1[20]; |
10831c55 | 1571 | uint16_t mode, inline_data = 0; |
7111feed | 1572 | char type[20]; |
6bb5b329 | 1573 | |
c44cdc7e SP |
1574 | p = get_mode(p, &mode); |
1575 | if (!p) | |
1576 | die("Corrupt mode: %s", command_buf.buf); | |
1577 | switch (mode) { | |
1578 | case S_IFREG | 0644: | |
1579 | case S_IFREG | 0755: | |
ace4a9d1 | 1580 | case S_IFLNK: |
c44cdc7e SP |
1581 | case 0644: |
1582 | case 0755: | |
1583 | /* ok */ | |
1584 | break; | |
1585 | default: | |
1586 | die("Corrupt mode: %s", command_buf.buf); | |
1587 | } | |
1588 | ||
d8397168 SP |
1589 | if (*p == ':') { |
1590 | char *x; | |
0ea9f045 | 1591 | oe = find_mark(strtoumax(p + 1, &x, 10)); |
cacbdd0a | 1592 | hashcpy(sha1, oe->sha1); |
d8397168 | 1593 | p = x; |
b715cfbb SP |
1594 | } else if (!strncmp("inline", p, 6)) { |
1595 | inline_data = 1; | |
1596 | p += 6; | |
d8397168 SP |
1597 | } else { |
1598 | if (get_sha1_hex(p, sha1)) | |
1599 | die("Invalid SHA1: %s", command_buf.buf); | |
1600 | oe = find_object(sha1); | |
1601 | p += 40; | |
1602 | } | |
c44cdc7e SP |
1603 | if (*p++ != ' ') |
1604 | die("Missing space after SHA1: %s", command_buf.buf); | |
1605 | ||
1606 | p_uq = unquote_c_style(p, &endp); | |
1607 | if (p_uq) { | |
1608 | if (*endp) | |
1609 | die("Garbage after path in: %s", command_buf.buf); | |
1610 | p = p_uq; | |
1611 | } | |
6bb5b329 | 1612 | |
b715cfbb SP |
1613 | if (inline_data) { |
1614 | size_t l; | |
1615 | void *d; | |
1616 | if (!p_uq) | |
1617 | p = p_uq = xstrdup(p); | |
1618 | read_next_command(); | |
1619 | d = cmd_data(&l); | |
1620 | if (store_object(OBJ_BLOB, d, l, &last_blob, sha1, 0)) | |
1621 | free(d); | |
1622 | } else if (oe) { | |
7111feed | 1623 | if (oe->type != OBJ_BLOB) |
c44cdc7e SP |
1624 | die("Not a blob (actually a %s): %s", |
1625 | command_buf.buf, type_names[oe->type]); | |
7111feed SP |
1626 | } else { |
1627 | if (sha1_object_info(sha1, type, NULL)) | |
c44cdc7e | 1628 | die("Blob not found: %s", command_buf.buf); |
7111feed | 1629 | if (strcmp(blob_type, type)) |
c44cdc7e SP |
1630 | die("Not a blob (actually a %s): %s", |
1631 | command_buf.buf, type); | |
7111feed | 1632 | } |
6bb5b329 | 1633 | |
c44cdc7e | 1634 | tree_content_set(&b->branch_tree, p, sha1, S_IFREG | mode); |
e7d06a4b | 1635 | free(p_uq); |
463acbe1 | 1636 | } |
6bb5b329 | 1637 | |
463acbe1 SP |
1638 | static void file_change_d(struct branch *b) |
1639 | { | |
c44cdc7e SP |
1640 | const char *p = command_buf.buf + 2; |
1641 | char *p_uq; | |
1642 | const char *endp; | |
1643 | ||
1644 | p_uq = unquote_c_style(p, &endp); | |
1645 | if (p_uq) { | |
1646 | if (*endp) | |
1647 | die("Garbage after path in: %s", command_buf.buf); | |
1648 | p = p_uq; | |
1649 | } | |
1650 | tree_content_remove(&b->branch_tree, p); | |
e7d06a4b | 1651 | free(p_uq); |
6bb5b329 SP |
1652 | } |
1653 | ||
825769a8 SP |
1654 | static void file_change_deleteall(struct branch *b) |
1655 | { | |
1656 | release_tree_content_recursive(b->branch_tree.tree); | |
1657 | hashclr(b->branch_tree.versions[0].sha1); | |
1658 | hashclr(b->branch_tree.versions[1].sha1); | |
1659 | load_tree(&b->branch_tree); | |
1660 | } | |
1661 | ||
00e2b884 SP |
1662 | static void cmd_from(struct branch *b) |
1663 | { | |
6c3aac1c | 1664 | const char *from; |
00e2b884 SP |
1665 | struct branch *s; |
1666 | ||
1667 | if (strncmp("from ", command_buf.buf, 5)) | |
1668 | return; | |
1669 | ||
ea5e370a SP |
1670 | if (b->branch_tree.tree) { |
1671 | release_tree_content_recursive(b->branch_tree.tree); | |
1672 | b->branch_tree.tree = NULL; | |
1673 | } | |
00e2b884 SP |
1674 | |
1675 | from = strchr(command_buf.buf, ' ') + 1; | |
00e2b884 SP |
1676 | s = lookup_branch(from); |
1677 | if (b == s) | |
1678 | die("Can't create a branch from itself: %s", b->name); | |
1679 | else if (s) { | |
4cabf858 | 1680 | unsigned char *t = s->branch_tree.versions[1].sha1; |
445b8599 | 1681 | hashcpy(b->sha1, s->sha1); |
4cabf858 SP |
1682 | hashcpy(b->branch_tree.versions[0].sha1, t); |
1683 | hashcpy(b->branch_tree.versions[1].sha1, t); | |
00e2b884 | 1684 | } else if (*from == ':') { |
0ea9f045 | 1685 | uintmax_t idnum = strtoumax(from + 1, NULL, 10); |
00e2b884 SP |
1686 | struct object_entry *oe = find_mark(idnum); |
1687 | unsigned long size; | |
1688 | char *buf; | |
1689 | if (oe->type != OBJ_COMMIT) | |
0ea9f045 | 1690 | die("Mark :%ju not a commit", idnum); |
445b8599 | 1691 | hashcpy(b->sha1, oe->sha1); |
7bfe6e26 | 1692 | buf = gfi_unpack_entry(oe, &size); |
00e2b884 SP |
1693 | if (!buf || size < 46) |
1694 | die("Not a valid commit: %s", from); | |
1695 | if (memcmp("tree ", buf, 5) | |
4cabf858 | 1696 | || get_sha1_hex(buf + 5, b->branch_tree.versions[1].sha1)) |
00e2b884 SP |
1697 | die("The commit %s is corrupt", sha1_to_hex(b->sha1)); |
1698 | free(buf); | |
4cabf858 SP |
1699 | hashcpy(b->branch_tree.versions[0].sha1, |
1700 | b->branch_tree.versions[1].sha1); | |
00e2b884 | 1701 | } else if (!get_sha1(from, b->sha1)) { |
4cabf858 SP |
1702 | if (is_null_sha1(b->sha1)) { |
1703 | hashclr(b->branch_tree.versions[0].sha1); | |
1704 | hashclr(b->branch_tree.versions[1].sha1); | |
1705 | } else { | |
00e2b884 SP |
1706 | unsigned long size; |
1707 | char *buf; | |
1708 | ||
1709 | buf = read_object_with_reference(b->sha1, | |
1710 | type_names[OBJ_COMMIT], &size, b->sha1); | |
1711 | if (!buf || size < 46) | |
1712 | die("Not a valid commit: %s", from); | |
1713 | if (memcmp("tree ", buf, 5) | |
4cabf858 | 1714 | || get_sha1_hex(buf + 5, b->branch_tree.versions[1].sha1)) |
00e2b884 SP |
1715 | die("The commit %s is corrupt", sha1_to_hex(b->sha1)); |
1716 | free(buf); | |
4cabf858 SP |
1717 | hashcpy(b->branch_tree.versions[0].sha1, |
1718 | b->branch_tree.versions[1].sha1); | |
00e2b884 SP |
1719 | } |
1720 | } else | |
1721 | die("Invalid ref name or SHA1 expression: %s", from); | |
1722 | ||
1723 | read_next_command(); | |
1724 | } | |
1725 | ||
e5b1444b | 1726 | static struct hash_list *cmd_merge(unsigned int *count) |
62b6f483 | 1727 | { |
10e8d688 | 1728 | struct hash_list *list = NULL, *n, *e = e; |
6c3aac1c | 1729 | const char *from; |
62b6f483 SP |
1730 | struct branch *s; |
1731 | ||
1732 | *count = 0; | |
1733 | while (!strncmp("merge ", command_buf.buf, 6)) { | |
1734 | from = strchr(command_buf.buf, ' ') + 1; | |
62b6f483 SP |
1735 | n = xmalloc(sizeof(*n)); |
1736 | s = lookup_branch(from); | |
1737 | if (s) | |
1738 | hashcpy(n->sha1, s->sha1); | |
1739 | else if (*from == ':') { | |
0ea9f045 | 1740 | uintmax_t idnum = strtoumax(from + 1, NULL, 10); |
62b6f483 SP |
1741 | struct object_entry *oe = find_mark(idnum); |
1742 | if (oe->type != OBJ_COMMIT) | |
0ea9f045 | 1743 | die("Mark :%ju not a commit", idnum); |
62b6f483 SP |
1744 | hashcpy(n->sha1, oe->sha1); |
1745 | } else if (get_sha1(from, n->sha1)) | |
1746 | die("Invalid ref name or SHA1 expression: %s", from); | |
1747 | ||
1748 | n->next = NULL; | |
1749 | if (list) | |
1750 | e->next = n; | |
1751 | else | |
1752 | list = n; | |
1753 | e = n; | |
10e8d688 | 1754 | (*count)++; |
62b6f483 SP |
1755 | read_next_command(); |
1756 | } | |
1757 | return list; | |
1758 | } | |
1759 | ||
fd99224e | 1760 | static void cmd_new_commit(void) |
6bb5b329 | 1761 | { |
c44cdc7e SP |
1762 | struct branch *b; |
1763 | void *msg; | |
1764 | size_t msglen; | |
c44cdc7e SP |
1765 | char *sp; |
1766 | char *author = NULL; | |
1767 | char *committer = NULL; | |
62b6f483 SP |
1768 | struct hash_list *merge_list = NULL; |
1769 | unsigned int merge_count; | |
c44cdc7e SP |
1770 | |
1771 | /* Obtain the branch name from the rest of our command */ | |
1772 | sp = strchr(command_buf.buf, ' ') + 1; | |
c44cdc7e | 1773 | b = lookup_branch(sp); |
463acbe1 | 1774 | if (!b) |
00e2b884 | 1775 | b = new_branch(sp); |
c44cdc7e SP |
1776 | |
1777 | read_next_command(); | |
1778 | cmd_mark(); | |
1779 | if (!strncmp("author ", command_buf.buf, 7)) { | |
63e0c8b3 | 1780 | author = parse_ident(command_buf.buf + 7); |
c44cdc7e SP |
1781 | read_next_command(); |
1782 | } | |
1783 | if (!strncmp("committer ", command_buf.buf, 10)) { | |
63e0c8b3 | 1784 | committer = parse_ident(command_buf.buf + 10); |
c44cdc7e SP |
1785 | read_next_command(); |
1786 | } | |
1787 | if (!committer) | |
1788 | die("Expected committer but didn't get one"); | |
1789 | msg = cmd_data(&msglen); | |
02f3389d SP |
1790 | read_next_command(); |
1791 | cmd_from(b); | |
62b6f483 | 1792 | merge_list = cmd_merge(&merge_count); |
c44cdc7e SP |
1793 | |
1794 | /* ensure the branch is active/loaded */ | |
41e5257f | 1795 | if (!b->branch_tree.tree || !max_active_branches) { |
463acbe1 SP |
1796 | unload_one_branch(); |
1797 | load_branch(b); | |
1798 | } | |
6bb5b329 | 1799 | |
463acbe1 SP |
1800 | /* file_change* */ |
1801 | for (;;) { | |
c44cdc7e | 1802 | if (1 == command_buf.len) |
463acbe1 | 1803 | break; |
c44cdc7e | 1804 | else if (!strncmp("M ", command_buf.buf, 2)) |
463acbe1 | 1805 | file_change_m(b); |
c44cdc7e | 1806 | else if (!strncmp("D ", command_buf.buf, 2)) |
463acbe1 | 1807 | file_change_d(b); |
825769a8 SP |
1808 | else if (!strcmp("deleteall", command_buf.buf)) |
1809 | file_change_deleteall(b); | |
463acbe1 | 1810 | else |
c44cdc7e | 1811 | die("Unsupported file_change: %s", command_buf.buf); |
02f3389d | 1812 | read_next_command(); |
6bb5b329 | 1813 | } |
6bb5b329 | 1814 | |
c44cdc7e | 1815 | /* build the tree and the commit */ |
463acbe1 | 1816 | store_tree(&b->branch_tree); |
8a8c55ea SP |
1817 | hashcpy(b->branch_tree.versions[0].sha1, |
1818 | b->branch_tree.versions[1].sha1); | |
63e0c8b3 | 1819 | size_dbuf(&new_data, 114 + msglen |
62b6f483 | 1820 | + merge_count * 49 |
c44cdc7e SP |
1821 | + (author |
1822 | ? strlen(author) + strlen(committer) | |
1823 | : 2 * strlen(committer))); | |
243f801d | 1824 | sp = new_data.buffer; |
4cabf858 SP |
1825 | sp += sprintf(sp, "tree %s\n", |
1826 | sha1_to_hex(b->branch_tree.versions[1].sha1)); | |
445b8599 | 1827 | if (!is_null_sha1(b->sha1)) |
c44cdc7e | 1828 | sp += sprintf(sp, "parent %s\n", sha1_to_hex(b->sha1)); |
62b6f483 SP |
1829 | while (merge_list) { |
1830 | struct hash_list *next = merge_list->next; | |
1831 | sp += sprintf(sp, "parent %s\n", sha1_to_hex(merge_list->sha1)); | |
1832 | free(merge_list); | |
1833 | merge_list = next; | |
1834 | } | |
63e0c8b3 SP |
1835 | sp += sprintf(sp, "author %s\n", author ? author : committer); |
1836 | sp += sprintf(sp, "committer %s\n", committer); | |
1837 | *sp++ = '\n'; | |
c44cdc7e SP |
1838 | memcpy(sp, msg, msglen); |
1839 | sp += msglen; | |
e7d06a4b | 1840 | free(author); |
c44cdc7e SP |
1841 | free(committer); |
1842 | free(msg); | |
1843 | ||
69e74e74 | 1844 | if (!store_object(OBJ_COMMIT, |
243f801d | 1845 | new_data.buffer, sp - (char*)new_data.buffer, |
69e74e74 SP |
1846 | NULL, b->sha1, next_mark)) |
1847 | b->pack_id = pack_id; | |
463acbe1 | 1848 | b->last_commit = object_count_by_type[OBJ_COMMIT]; |
6bb5b329 SP |
1849 | } |
1850 | ||
fd99224e | 1851 | static void cmd_new_tag(void) |
72303d44 | 1852 | { |
72303d44 SP |
1853 | char *sp; |
1854 | const char *from; | |
1855 | char *tagger; | |
1856 | struct branch *s; | |
1857 | void *msg; | |
1858 | size_t msglen; | |
72303d44 | 1859 | struct tag *t; |
0ea9f045 | 1860 | uintmax_t from_mark = 0; |
72303d44 SP |
1861 | unsigned char sha1[20]; |
1862 | ||
1863 | /* Obtain the new tag name from the rest of our command */ | |
1864 | sp = strchr(command_buf.buf, ' ') + 1; | |
72303d44 SP |
1865 | t = pool_alloc(sizeof(struct tag)); |
1866 | t->next_tag = NULL; | |
1867 | t->name = pool_strdup(sp); | |
1868 | if (last_tag) | |
1869 | last_tag->next_tag = t; | |
1870 | else | |
1871 | first_tag = t; | |
1872 | last_tag = t; | |
72303d44 SP |
1873 | read_next_command(); |
1874 | ||
1875 | /* from ... */ | |
1876 | if (strncmp("from ", command_buf.buf, 5)) | |
1877 | die("Expected from command, got %s", command_buf.buf); | |
72303d44 | 1878 | from = strchr(command_buf.buf, ' ') + 1; |
72303d44 SP |
1879 | s = lookup_branch(from); |
1880 | if (s) { | |
445b8599 | 1881 | hashcpy(sha1, s->sha1); |
72303d44 | 1882 | } else if (*from == ':') { |
10e8d688 | 1883 | struct object_entry *oe; |
0ea9f045 | 1884 | from_mark = strtoumax(from + 1, NULL, 10); |
10e8d688 | 1885 | oe = find_mark(from_mark); |
72303d44 | 1886 | if (oe->type != OBJ_COMMIT) |
0ea9f045 | 1887 | die("Mark :%ju not a commit", from_mark); |
445b8599 | 1888 | hashcpy(sha1, oe->sha1); |
72303d44 SP |
1889 | } else if (!get_sha1(from, sha1)) { |
1890 | unsigned long size; | |
1891 | char *buf; | |
1892 | ||
1893 | buf = read_object_with_reference(sha1, | |
1894 | type_names[OBJ_COMMIT], &size, sha1); | |
1895 | if (!buf || size < 46) | |
1896 | die("Not a valid commit: %s", from); | |
1897 | free(buf); | |
1898 | } else | |
1899 | die("Invalid ref name or SHA1 expression: %s", from); | |
72303d44 SP |
1900 | read_next_command(); |
1901 | ||
1902 | /* tagger ... */ | |
1903 | if (strncmp("tagger ", command_buf.buf, 7)) | |
1904 | die("Expected tagger command, got %s", command_buf.buf); | |
63e0c8b3 | 1905 | tagger = parse_ident(command_buf.buf + 7); |
72303d44 SP |
1906 | |
1907 | /* tag payload/message */ | |
1908 | read_next_command(); | |
1909 | msg = cmd_data(&msglen); | |
1910 | ||
1911 | /* build the tag object */ | |
243f801d SP |
1912 | size_dbuf(&new_data, 67+strlen(t->name)+strlen(tagger)+msglen); |
1913 | sp = new_data.buffer; | |
72303d44 SP |
1914 | sp += sprintf(sp, "object %s\n", sha1_to_hex(sha1)); |
1915 | sp += sprintf(sp, "type %s\n", type_names[OBJ_COMMIT]); | |
1916 | sp += sprintf(sp, "tag %s\n", t->name); | |
63e0c8b3 SP |
1917 | sp += sprintf(sp, "tagger %s\n", tagger); |
1918 | *sp++ = '\n'; | |
72303d44 SP |
1919 | memcpy(sp, msg, msglen); |
1920 | sp += msglen; | |
1921 | free(tagger); | |
1922 | free(msg); | |
1923 | ||
69e74e74 SP |
1924 | if (store_object(OBJ_TAG, new_data.buffer, |
1925 | sp - (char*)new_data.buffer, | |
1926 | NULL, t->sha1, 0)) | |
1927 | t->pack_id = MAX_PACK_ID; | |
1928 | else | |
1929 | t->pack_id = pack_id; | |
72303d44 SP |
1930 | } |
1931 | ||
fd99224e | 1932 | static void cmd_reset_branch(void) |
5fced8dc SP |
1933 | { |
1934 | struct branch *b; | |
5fced8dc SP |
1935 | char *sp; |
1936 | ||
1937 | /* Obtain the branch name from the rest of our command */ | |
1938 | sp = strchr(command_buf.buf, ' ') + 1; | |
5fced8dc SP |
1939 | b = lookup_branch(sp); |
1940 | if (b) { | |
ea5e370a SP |
1941 | hashclr(b->sha1); |
1942 | hashclr(b->branch_tree.versions[0].sha1); | |
1943 | hashclr(b->branch_tree.versions[1].sha1); | |
5fced8dc SP |
1944 | if (b->branch_tree.tree) { |
1945 | release_tree_content_recursive(b->branch_tree.tree); | |
1946 | b->branch_tree.tree = NULL; | |
1947 | } | |
1948 | } | |
9938ffc5 SP |
1949 | else |
1950 | b = new_branch(sp); | |
9938ffc5 SP |
1951 | read_next_command(); |
1952 | cmd_from(b); | |
5fced8dc SP |
1953 | } |
1954 | ||
fd99224e | 1955 | static void cmd_checkpoint(void) |
7bfe6e26 | 1956 | { |
820b9310 SP |
1957 | if (object_count) { |
1958 | cycle_packfile(); | |
1959 | dump_branches(); | |
1960 | dump_tags(); | |
1961 | dump_marks(); | |
1962 | } | |
7bfe6e26 SP |
1963 | read_next_command(); |
1964 | } | |
1965 | ||
d5c57b28 | 1966 | static const char fast_import_usage[] = |
63e0c8b3 | 1967 | "git-fast-import [--date-format=f] [--max-pack-size=n] [--depth=n] [--active-branches=n] [--export-marks=marks.file]"; |
d5c57b28 | 1968 | |
8bcce301 SP |
1969 | int main(int argc, const char **argv) |
1970 | { | |
c499d768 | 1971 | int i, show_stats = 1; |
8bcce301 | 1972 | |
463acbe1 SP |
1973 | git_config(git_default_config); |
1974 | ||
d5c57b28 SP |
1975 | for (i = 1; i < argc; i++) { |
1976 | const char *a = argv[i]; | |
1977 | ||
1978 | if (*a != '-' || !strcmp(a, "--")) | |
1979 | break; | |
63e0c8b3 SP |
1980 | else if (!strncmp(a, "--date-format=", 14)) { |
1981 | const char *fmt = a + 14; | |
1982 | if (!strcmp(fmt, "raw")) | |
1983 | whenspec = WHENSPEC_RAW; | |
1984 | else if (!strcmp(fmt, "rfc2822")) | |
1985 | whenspec = WHENSPEC_RFC2822; | |
1986 | else if (!strcmp(fmt, "now")) | |
1987 | whenspec = WHENSPEC_NOW; | |
1988 | else | |
1989 | die("unknown --date-format argument %s", fmt); | |
1990 | } | |
d9ee53ce | 1991 | else if (!strncmp(a, "--max-pack-size=", 16)) |
0ea9f045 | 1992 | max_packsize = strtoumax(a + 16, NULL, 0) * 1024 * 1024; |
d5c57b28 SP |
1993 | else if (!strncmp(a, "--depth=", 8)) |
1994 | max_depth = strtoul(a + 8, NULL, 0); | |
1995 | else if (!strncmp(a, "--active-branches=", 18)) | |
1996 | max_active_branches = strtoul(a + 18, NULL, 0); | |
a6a1a831 SP |
1997 | else if (!strncmp(a, "--export-marks=", 15)) |
1998 | mark_file = a + 15; | |
bdf1c06d SP |
1999 | else if (!strncmp(a, "--export-pack-edges=", 20)) { |
2000 | if (pack_edges) | |
2001 | fclose(pack_edges); | |
2002 | pack_edges = fopen(a + 20, "a"); | |
2003 | if (!pack_edges) | |
2004 | die("Cannot open %s: %s", a + 20, strerror(errno)); | |
2005 | } else if (!strcmp(a, "--force")) | |
7073e69e | 2006 | force_update = 1; |
c499d768 SP |
2007 | else if (!strcmp(a, "--quiet")) |
2008 | show_stats = 0; | |
2009 | else if (!strcmp(a, "--stats")) | |
2010 | show_stats = 1; | |
d5c57b28 SP |
2011 | else |
2012 | die("unknown option %s", a); | |
2013 | } | |
8455e484 | 2014 | if (i != argc) |
d5c57b28 | 2015 | usage(fast_import_usage); |
d5c57b28 | 2016 | |
e5808826 | 2017 | alloc_objects(object_entry_alloc); |
c44cdc7e | 2018 | strbuf_init(&command_buf); |
463acbe1 SP |
2019 | |
2020 | atom_table = xcalloc(atom_table_sz, sizeof(struct atom_str*)); | |
2021 | branch_table = xcalloc(branch_table_sz, sizeof(struct branch*)); | |
2022 | avail_tree_table = xcalloc(avail_tree_table_sz, sizeof(struct avail_tree_content*)); | |
d8397168 | 2023 | marks = pool_calloc(1, sizeof(struct mark_set)); |
463acbe1 | 2024 | |
f70b6534 | 2025 | start_packfile(); |
db5e523f | 2026 | for (;;) { |
c44cdc7e SP |
2027 | read_next_command(); |
2028 | if (command_buf.eof) | |
db5e523f | 2029 | break; |
c44cdc7e SP |
2030 | else if (!strcmp("blob", command_buf.buf)) |
2031 | cmd_new_blob(); | |
c44cdc7e SP |
2032 | else if (!strncmp("commit ", command_buf.buf, 7)) |
2033 | cmd_new_commit(); | |
72303d44 SP |
2034 | else if (!strncmp("tag ", command_buf.buf, 4)) |
2035 | cmd_new_tag(); | |
5fced8dc SP |
2036 | else if (!strncmp("reset ", command_buf.buf, 6)) |
2037 | cmd_reset_branch(); | |
7bfe6e26 SP |
2038 | else if (!strcmp("checkpoint", command_buf.buf)) |
2039 | cmd_checkpoint(); | |
c44cdc7e SP |
2040 | else |
2041 | die("Unsupported command: %s", command_buf.buf); | |
db5e523f | 2042 | } |
f70b6534 | 2043 | end_packfile(); |
c44cdc7e | 2044 | |
463acbe1 | 2045 | dump_branches(); |
72303d44 | 2046 | dump_tags(); |
8455e484 | 2047 | unkeep_all_packs(); |
a6a1a831 | 2048 | dump_marks(); |
8bcce301 | 2049 | |
bdf1c06d SP |
2050 | if (pack_edges) |
2051 | fclose(pack_edges); | |
2052 | ||
c499d768 SP |
2053 | if (show_stats) { |
2054 | uintmax_t total_count = 0, duplicate_count = 0; | |
2055 | for (i = 0; i < ARRAY_SIZE(object_count_by_type); i++) | |
2056 | total_count += object_count_by_type[i]; | |
2057 | for (i = 0; i < ARRAY_SIZE(duplicate_count_by_type); i++) | |
2058 | duplicate_count += duplicate_count_by_type[i]; | |
2059 | ||
2060 | fprintf(stderr, "%s statistics:\n", argv[0]); | |
2061 | fprintf(stderr, "---------------------------------------------------------------------\n"); | |
2062 | fprintf(stderr, "Alloc'd objects: %10ju\n", alloc_count); | |
2063 | fprintf(stderr, "Total objects: %10ju (%10ju duplicates )\n", total_count, duplicate_count); | |
2064 | fprintf(stderr, " blobs : %10ju (%10ju duplicates %10ju deltas)\n", object_count_by_type[OBJ_BLOB], duplicate_count_by_type[OBJ_BLOB], delta_count_by_type[OBJ_BLOB]); | |
2065 | fprintf(stderr, " trees : %10ju (%10ju duplicates %10ju deltas)\n", object_count_by_type[OBJ_TREE], duplicate_count_by_type[OBJ_TREE], delta_count_by_type[OBJ_TREE]); | |
2066 | fprintf(stderr, " commits: %10ju (%10ju duplicates %10ju deltas)\n", object_count_by_type[OBJ_COMMIT], duplicate_count_by_type[OBJ_COMMIT], delta_count_by_type[OBJ_COMMIT]); | |
2067 | fprintf(stderr, " tags : %10ju (%10ju duplicates %10ju deltas)\n", object_count_by_type[OBJ_TAG], duplicate_count_by_type[OBJ_TAG], delta_count_by_type[OBJ_TAG]); | |
2068 | fprintf(stderr, "Total branches: %10lu (%10lu loads )\n", branch_count, branch_load_count); | |
2069 | fprintf(stderr, " marks: %10ju (%10ju unique )\n", (((uintmax_t)1) << marks->shift) * 1024, marks_set_count); | |
2070 | fprintf(stderr, " atoms: %10u\n", atom_cnt); | |
2071 | fprintf(stderr, "Memory total: %10ju KiB\n", (total_allocd + alloc_count*sizeof(struct object_entry))/1024); | |
40db58b8 | 2072 | fprintf(stderr, " pools: %10lu KiB\n", (unsigned long)(total_allocd/1024)); |
c499d768 SP |
2073 | fprintf(stderr, " objects: %10ju KiB\n", (alloc_count*sizeof(struct object_entry))/1024); |
2074 | fprintf(stderr, "---------------------------------------------------------------------\n"); | |
2075 | pack_report(); | |
2076 | fprintf(stderr, "---------------------------------------------------------------------\n"); | |
2077 | fprintf(stderr, "\n"); | |
2078 | } | |
db5e523f | 2079 | |
7073e69e | 2080 | return failure ? 1 : 0; |
db5e523f | 2081 | } |