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Commit | Line | Data |
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9cf6d335 SV |
1 | #include "cache.h" |
2 | #include "delta.h" | |
3 | #include "pack.h" | |
4 | #include "csum-file.h" | |
8e440259 PE |
5 | #include "blob.h" |
6 | #include "commit.h" | |
7 | #include "tag.h" | |
8 | #include "tree.h" | |
96a02f8f | 9 | #include "progress.h" |
0153be05 | 10 | #include "fsck.h" |
2fb3f6db | 11 | #include "exec_cmd.h" |
9cf6d335 SV |
12 | |
13 | static const char index_pack_usage[] = | |
0adda936 | 14 | "git index-pack [-v] [-o <index-file>] [ --keep | --keep=<msg> ] [--strict] (<pack-file> | --stdin [--fix-thin] [<pack-file>])"; |
9cf6d335 | 15 | |
9cba13ca | 16 | struct object_entry { |
aa7e44bf | 17 | struct pack_idx_entry idx; |
2d477051 NP |
18 | unsigned long size; |
19 | unsigned int hdr_size; | |
9cf6d335 SV |
20 | enum object_type type; |
21 | enum object_type real_type; | |
9cf6d335 SV |
22 | }; |
23 | ||
53dda6ff NP |
24 | union delta_base { |
25 | unsigned char sha1[20]; | |
d7dd0223 | 26 | off_t offset; |
53dda6ff NP |
27 | }; |
28 | ||
f41aebd4 | 29 | struct base_data { |
4a438cab SP |
30 | struct base_data *base; |
31 | struct base_data *child; | |
03993e13 | 32 | struct object_entry *obj; |
f41aebd4 SP |
33 | void *data; |
34 | unsigned long size; | |
35 | }; | |
36 | ||
3c552873 NP |
37 | /* |
38 | * Even if sizeof(union delta_base) == 24 on 64-bit archs, we really want | |
39 | * to memcmp() only the first 20 bytes. | |
40 | */ | |
41 | #define UNION_BASE_SZ 20 | |
42 | ||
0153be05 MK |
43 | #define FLAG_LINK (1u<<20) |
44 | #define FLAG_CHECKED (1u<<21) | |
45 | ||
9cba13ca | 46 | struct delta_entry { |
53dda6ff | 47 | union delta_base base; |
636171cb | 48 | int obj_no; |
9cf6d335 SV |
49 | }; |
50 | ||
9cf6d335 SV |
51 | static struct object_entry *objects; |
52 | static struct delta_entry *deltas; | |
4a438cab | 53 | static struct base_data *base_cache; |
92392b4a | 54 | static size_t base_cache_used; |
9cf6d335 SV |
55 | static int nr_objects; |
56 | static int nr_deltas; | |
636171cb | 57 | static int nr_resolved_deltas; |
9cf6d335 | 58 | |
e42797f5 | 59 | static int from_stdin; |
0153be05 | 60 | static int strict; |
3c9af366 NP |
61 | static int verbose; |
62 | ||
dc6a0757 | 63 | static struct progress *progress; |
e42797f5 | 64 | |
2d477051 NP |
65 | /* We always read in 4kB chunks. */ |
66 | static unsigned char input_buffer[4096]; | |
d7dd0223 NP |
67 | static unsigned int input_offset, input_len; |
68 | static off_t consumed_bytes; | |
9126f009 | 69 | static git_SHA_CTX input_ctx; |
ee5743ce | 70 | static uint32_t input_crc32; |
6d2fa7f1 | 71 | static int input_fd, output_fd, pack_fd; |
2d477051 | 72 | |
0153be05 MK |
73 | static int mark_link(struct object *obj, int type, void *data) |
74 | { | |
75 | if (!obj) | |
76 | return -1; | |
77 | ||
78 | if (type != OBJ_ANY && obj->type != type) | |
79 | die("object type mismatch at %s", sha1_to_hex(obj->sha1)); | |
80 | ||
81 | obj->flags |= FLAG_LINK; | |
82 | return 0; | |
83 | } | |
84 | ||
85 | /* The content of each linked object must have been checked | |
86 | or it must be already present in the object database */ | |
87 | static void check_object(struct object *obj) | |
88 | { | |
89 | if (!obj) | |
90 | return; | |
91 | ||
92 | if (!(obj->flags & FLAG_LINK)) | |
93 | return; | |
94 | ||
95 | if (!(obj->flags & FLAG_CHECKED)) { | |
96 | unsigned long size; | |
97 | int type = sha1_object_info(obj->sha1, &size); | |
98 | if (type != obj->type || type <= 0) | |
99 | die("object of unexpected type"); | |
100 | obj->flags |= FLAG_CHECKED; | |
101 | return; | |
102 | } | |
103 | } | |
104 | ||
105 | static void check_objects(void) | |
106 | { | |
107 | unsigned i, max; | |
108 | ||
109 | max = get_max_object_index(); | |
110 | for (i = 0; i < max; i++) | |
111 | check_object(get_indexed_object(i)); | |
112 | } | |
113 | ||
114 | ||
636171cb | 115 | /* Discard current buffer used content. */ |
a6e8a767 | 116 | static void flush(void) |
636171cb NP |
117 | { |
118 | if (input_offset) { | |
119 | if (output_fd >= 0) | |
120 | write_or_die(output_fd, input_buffer, input_offset); | |
9126f009 | 121 | git_SHA1_Update(&input_ctx, input_buffer, input_offset); |
554a2636 | 122 | memmove(input_buffer, input_buffer + input_offset, input_len); |
636171cb NP |
123 | input_offset = 0; |
124 | } | |
125 | } | |
126 | ||
2d477051 NP |
127 | /* |
128 | * Make sure at least "min" bytes are available in the buffer, and | |
129 | * return the pointer to the buffer. | |
130 | */ | |
b89c4e93 | 131 | static void *fill(int min) |
9cf6d335 | 132 | { |
2d477051 NP |
133 | if (min <= input_len) |
134 | return input_buffer + input_offset; | |
135 | if (min > sizeof(input_buffer)) | |
136 | die("cannot fill %d bytes", min); | |
636171cb | 137 | flush(); |
2d477051 | 138 | do { |
8a912bcb | 139 | ssize_t ret = xread(input_fd, input_buffer + input_len, |
2d477051 NP |
140 | sizeof(input_buffer) - input_len); |
141 | if (ret <= 0) { | |
142 | if (!ret) | |
143 | die("early EOF"); | |
d824cbba | 144 | die_errno("read error on input"); |
2d477051 NP |
145 | } |
146 | input_len += ret; | |
218558af NP |
147 | if (from_stdin) |
148 | display_throughput(progress, consumed_bytes + input_len); | |
2d477051 NP |
149 | } while (input_len < min); |
150 | return input_buffer; | |
151 | } | |
152 | ||
153 | static void use(int bytes) | |
154 | { | |
155 | if (bytes > input_len) | |
156 | die("used more bytes than were available"); | |
ee5743ce | 157 | input_crc32 = crc32(input_crc32, input_buffer + input_offset, bytes); |
2d477051 NP |
158 | input_len -= bytes; |
159 | input_offset += bytes; | |
d7dd0223 NP |
160 | |
161 | /* make sure off_t is sufficiently large not to wrap */ | |
c03c8315 | 162 | if (signed_add_overflows(consumed_bytes, bytes)) |
d7dd0223 | 163 | die("pack too large for current definition of off_t"); |
2d477051 NP |
164 | consumed_bytes += bytes; |
165 | } | |
9cf6d335 | 166 | |
3bb72562 | 167 | static const char *open_pack_file(const char *pack_name) |
2d477051 | 168 | { |
e42797f5 NP |
169 | if (from_stdin) { |
170 | input_fd = 0; | |
171 | if (!pack_name) { | |
172 | static char tmpfile[PATH_MAX]; | |
6e180cdc JH |
173 | output_fd = odb_mkstemp(tmpfile, sizeof(tmpfile), |
174 | "pack/tmp_pack_XXXXXX"); | |
e42797f5 NP |
175 | pack_name = xstrdup(tmpfile); |
176 | } else | |
177 | output_fd = open(pack_name, O_CREAT|O_EXCL|O_RDWR, 0600); | |
178 | if (output_fd < 0) | |
d824cbba | 179 | die_errno("unable to create '%s'", pack_name); |
6d2fa7f1 | 180 | pack_fd = output_fd; |
e42797f5 NP |
181 | } else { |
182 | input_fd = open(pack_name, O_RDONLY); | |
183 | if (input_fd < 0) | |
d824cbba | 184 | die_errno("cannot open packfile '%s'", pack_name); |
e42797f5 | 185 | output_fd = -1; |
6d2fa7f1 | 186 | pack_fd = input_fd; |
e42797f5 | 187 | } |
9126f009 | 188 | git_SHA1_Init(&input_ctx); |
e42797f5 | 189 | return pack_name; |
9cf6d335 SV |
190 | } |
191 | ||
192 | static void parse_pack_header(void) | |
193 | { | |
2d477051 | 194 | struct pack_header *hdr = fill(sizeof(struct pack_header)); |
9cf6d335 SV |
195 | |
196 | /* Header consistency check */ | |
9cf6d335 | 197 | if (hdr->hdr_signature != htonl(PACK_SIGNATURE)) |
e42797f5 | 198 | die("pack signature mismatch"); |
d60fc1c8 | 199 | if (!pack_version_ok(hdr->hdr_version)) |
6e1c2344 RJ |
200 | die("pack version %"PRIu32" unsupported", |
201 | ntohl(hdr->hdr_version)); | |
9cf6d335 SV |
202 | |
203 | nr_objects = ntohl(hdr->hdr_entries); | |
2d477051 | 204 | use(sizeof(struct pack_header)); |
9cf6d335 SV |
205 | } |
206 | ||
a4f3131c EFL |
207 | static NORETURN void bad_object(unsigned long offset, const char *format, |
208 | ...) __attribute__((format (printf, 2, 3))); | |
9cf6d335 SV |
209 | |
210 | static void bad_object(unsigned long offset, const char *format, ...) | |
211 | { | |
212 | va_list params; | |
213 | char buf[1024]; | |
214 | ||
215 | va_start(params, format); | |
216 | vsnprintf(buf, sizeof(buf), format, params); | |
217 | va_end(params); | |
e42797f5 | 218 | die("pack has bad object at offset %lu: %s", offset, buf); |
9cf6d335 SV |
219 | } |
220 | ||
6a87ed97 NP |
221 | static void free_base_data(struct base_data *c) |
222 | { | |
223 | if (c->data) { | |
224 | free(c->data); | |
225 | c->data = NULL; | |
226 | base_cache_used -= c->size; | |
227 | } | |
228 | } | |
229 | ||
92392b4a SP |
230 | static void prune_base_data(struct base_data *retain) |
231 | { | |
8e24cbae | 232 | struct base_data *b; |
92392b4a SP |
233 | for (b = base_cache; |
234 | base_cache_used > delta_base_cache_limit && b; | |
235 | b = b->child) { | |
6a87ed97 NP |
236 | if (b->data && b != retain) |
237 | free_base_data(b); | |
92392b4a SP |
238 | } |
239 | } | |
240 | ||
4a438cab SP |
241 | static void link_base_data(struct base_data *base, struct base_data *c) |
242 | { | |
243 | if (base) | |
244 | base->child = c; | |
245 | else | |
246 | base_cache = c; | |
247 | ||
248 | c->base = base; | |
249 | c->child = NULL; | |
9441b61d NP |
250 | if (c->data) |
251 | base_cache_used += c->size; | |
92392b4a | 252 | prune_base_data(c); |
4a438cab SP |
253 | } |
254 | ||
255 | static void unlink_base_data(struct base_data *c) | |
256 | { | |
257 | struct base_data *base = c->base; | |
258 | if (base) | |
259 | base->child = NULL; | |
260 | else | |
261 | base_cache = NULL; | |
6a87ed97 | 262 | free_base_data(c); |
4a438cab SP |
263 | } |
264 | ||
2d477051 | 265 | static void *unpack_entry_data(unsigned long offset, unsigned long size) |
9cf6d335 | 266 | { |
7ce4721a | 267 | int status; |
9cf6d335 SV |
268 | z_stream stream; |
269 | void *buf = xmalloc(size); | |
270 | ||
271 | memset(&stream, 0, sizeof(stream)); | |
7ce4721a | 272 | git_inflate_init(&stream); |
9cf6d335 SV |
273 | stream.next_out = buf; |
274 | stream.avail_out = size; | |
9cf6d335 | 275 | |
7ce4721a | 276 | do { |
2d477051 NP |
277 | stream.next_in = fill(1); |
278 | stream.avail_in = input_len; | |
7ce4721a NP |
279 | status = git_inflate(&stream, 0); |
280 | use(input_len - stream.avail_in); | |
281 | } while (status == Z_OK); | |
282 | if (stream.total_out != size || status != Z_STREAM_END) | |
283 | bad_object(offset, "inflate returned %d", status); | |
39c68542 | 284 | git_inflate_end(&stream); |
9cf6d335 SV |
285 | return buf; |
286 | } | |
287 | ||
2d477051 | 288 | static void *unpack_raw_entry(struct object_entry *obj, union delta_base *delta_base) |
9cf6d335 | 289 | { |
48fb7deb LT |
290 | unsigned char *p; |
291 | unsigned long size, c; | |
d7dd0223 | 292 | off_t base_offset; |
9cf6d335 | 293 | unsigned shift; |
ee5743ce | 294 | void *data; |
9cf6d335 | 295 | |
aa7e44bf | 296 | obj->idx.offset = consumed_bytes; |
ee5743ce | 297 | input_crc32 = crc32(0, Z_NULL, 0); |
2d477051 NP |
298 | |
299 | p = fill(1); | |
300 | c = *p; | |
301 | use(1); | |
302 | obj->type = (c >> 4) & 7; | |
9cf6d335 SV |
303 | size = (c & 15); |
304 | shift = 4; | |
305 | while (c & 0x80) { | |
2d477051 NP |
306 | p = fill(1); |
307 | c = *p; | |
308 | use(1); | |
48fb7deb | 309 | size += (c & 0x7f) << shift; |
9cf6d335 SV |
310 | shift += 7; |
311 | } | |
2d477051 | 312 | obj->size = size; |
9cf6d335 | 313 | |
2d477051 | 314 | switch (obj->type) { |
eb32d236 | 315 | case OBJ_REF_DELTA: |
2d477051 NP |
316 | hashcpy(delta_base->sha1, fill(20)); |
317 | use(20); | |
53dda6ff NP |
318 | break; |
319 | case OBJ_OFS_DELTA: | |
320 | memset(delta_base, 0, sizeof(*delta_base)); | |
2d477051 NP |
321 | p = fill(1); |
322 | c = *p; | |
323 | use(1); | |
53dda6ff NP |
324 | base_offset = c & 127; |
325 | while (c & 128) { | |
326 | base_offset += 1; | |
8723f216 | 327 | if (!base_offset || MSB(base_offset, 7)) |
aa7e44bf | 328 | bad_object(obj->idx.offset, "offset value overflow for delta base object"); |
2d477051 NP |
329 | p = fill(1); |
330 | c = *p; | |
331 | use(1); | |
53dda6ff NP |
332 | base_offset = (base_offset << 7) + (c & 127); |
333 | } | |
aa7e44bf | 334 | delta_base->offset = obj->idx.offset - base_offset; |
d8f32556 | 335 | if (delta_base->offset <= 0 || delta_base->offset >= obj->idx.offset) |
aa7e44bf | 336 | bad_object(obj->idx.offset, "delta base offset is out of bound"); |
53dda6ff | 337 | break; |
9cf6d335 SV |
338 | case OBJ_COMMIT: |
339 | case OBJ_TREE: | |
340 | case OBJ_BLOB: | |
341 | case OBJ_TAG: | |
9cf6d335 SV |
342 | break; |
343 | default: | |
aa7e44bf | 344 | bad_object(obj->idx.offset, "unknown object type %d", obj->type); |
9cf6d335 | 345 | } |
aa7e44bf | 346 | obj->hdr_size = consumed_bytes - obj->idx.offset; |
2d477051 | 347 | |
aa7e44bf GB |
348 | data = unpack_entry_data(obj->idx.offset, obj->size); |
349 | obj->idx.crc32 = input_crc32; | |
ee5743ce | 350 | return data; |
2d477051 NP |
351 | } |
352 | ||
b89c4e93 | 353 | static void *get_data_from_pack(struct object_entry *obj) |
2d477051 | 354 | { |
a91ef6e7 | 355 | off_t from = obj[0].idx.offset + obj[0].hdr_size; |
aa7e44bf | 356 | unsigned long len = obj[1].idx.offset - from; |
776ea370 | 357 | unsigned char *data, *inbuf; |
2d477051 | 358 | z_stream stream; |
776ea370 | 359 | int status; |
9cf6d335 | 360 | |
2d477051 | 361 | data = xmalloc(obj->size); |
776ea370 NP |
362 | inbuf = xmalloc((len < 64*1024) ? len : 64*1024); |
363 | ||
2d477051 | 364 | memset(&stream, 0, sizeof(stream)); |
776ea370 | 365 | git_inflate_init(&stream); |
2d477051 NP |
366 | stream.next_out = data; |
367 | stream.avail_out = obj->size; | |
776ea370 NP |
368 | |
369 | do { | |
370 | ssize_t n = (len < 64*1024) ? len : 64*1024; | |
371 | n = pread(pack_fd, inbuf, n, from); | |
372 | if (n < 0) | |
373 | die_errno("cannot pread pack file"); | |
374 | if (!n) | |
375 | die("premature end of pack file, %lu bytes missing", len); | |
376 | from += n; | |
377 | len -= n; | |
378 | stream.next_in = inbuf; | |
379 | stream.avail_in = n; | |
380 | status = git_inflate(&stream, 0); | |
381 | } while (len && status == Z_OK && !stream.avail_in); | |
382 | ||
383 | /* This has been inflated OK when first encountered, so... */ | |
384 | if (status != Z_STREAM_END || stream.total_out != obj->size) | |
2d477051 | 385 | die("serious inflate inconsistency"); |
776ea370 NP |
386 | |
387 | git_inflate_end(&stream); | |
388 | free(inbuf); | |
9cf6d335 SV |
389 | return data; |
390 | } | |
391 | ||
53dda6ff | 392 | static int find_delta(const union delta_base *base) |
9cf6d335 SV |
393 | { |
394 | int first = 0, last = nr_deltas; | |
395 | ||
396 | while (first < last) { | |
397 | int next = (first + last) / 2; | |
398 | struct delta_entry *delta = &deltas[next]; | |
399 | int cmp; | |
400 | ||
3c552873 | 401 | cmp = memcmp(base, &delta->base, UNION_BASE_SZ); |
9cf6d335 SV |
402 | if (!cmp) |
403 | return next; | |
404 | if (cmp < 0) { | |
405 | last = next; | |
406 | continue; | |
407 | } | |
408 | first = next+1; | |
409 | } | |
410 | return -first-1; | |
411 | } | |
412 | ||
6a87ed97 NP |
413 | static void find_delta_children(const union delta_base *base, |
414 | int *first_index, int *last_index) | |
9cf6d335 | 415 | { |
53dda6ff | 416 | int first = find_delta(base); |
9cf6d335 SV |
417 | int last = first; |
418 | int end = nr_deltas - 1; | |
419 | ||
6a87ed97 NP |
420 | if (first < 0) { |
421 | *first_index = 0; | |
422 | *last_index = -1; | |
423 | return; | |
424 | } | |
3c552873 | 425 | while (first > 0 && !memcmp(&deltas[first - 1].base, base, UNION_BASE_SZ)) |
9cf6d335 | 426 | --first; |
3c552873 | 427 | while (last < end && !memcmp(&deltas[last + 1].base, base, UNION_BASE_SZ)) |
9cf6d335 SV |
428 | ++last; |
429 | *first_index = first; | |
430 | *last_index = last; | |
9cf6d335 SV |
431 | } |
432 | ||
433 | static void sha1_object(const void *data, unsigned long size, | |
9096c660 | 434 | enum object_type type, unsigned char *sha1) |
9cf6d335 | 435 | { |
ce9fbf16 | 436 | hash_sha1_file(data, size, typename(type), sha1); |
9096c660 | 437 | if (has_sha1_file(sha1)) { |
8685da42 NP |
438 | void *has_data; |
439 | enum object_type has_type; | |
440 | unsigned long has_size; | |
441 | has_data = read_sha1_file(sha1, &has_type, &has_size); | |
442 | if (!has_data) | |
443 | die("cannot read existing object %s", sha1_to_hex(sha1)); | |
444 | if (size != has_size || type != has_type || | |
445 | memcmp(data, has_data, size) != 0) | |
446 | die("SHA1 COLLISION FOUND WITH %s !", sha1_to_hex(sha1)); | |
bbf4b41b | 447 | free(has_data); |
8685da42 | 448 | } |
0153be05 MK |
449 | if (strict) { |
450 | if (type == OBJ_BLOB) { | |
451 | struct blob *blob = lookup_blob(sha1); | |
452 | if (blob) | |
453 | blob->object.flags |= FLAG_CHECKED; | |
454 | else | |
455 | die("invalid blob object %s", sha1_to_hex(sha1)); | |
456 | } else { | |
457 | struct object *obj; | |
458 | int eaten; | |
459 | void *buf = (void *) data; | |
460 | ||
461 | /* | |
462 | * we do not need to free the memory here, as the | |
463 | * buf is deleted by the caller. | |
464 | */ | |
465 | obj = parse_object_buffer(sha1, type, size, buf, &eaten); | |
466 | if (!obj) | |
467 | die("invalid %s", typename(type)); | |
468 | if (fsck_object(obj, 1, fsck_error_function)) | |
469 | die("Error in object"); | |
2af202be | 470 | if (fsck_walk(obj, mark_link, NULL)) |
0153be05 MK |
471 | die("Not all child objects of %s are reachable", sha1_to_hex(obj->sha1)); |
472 | ||
473 | if (obj->type == OBJ_TREE) { | |
474 | struct tree *item = (struct tree *) obj; | |
475 | item->buffer = NULL; | |
476 | } | |
477 | if (obj->type == OBJ_COMMIT) { | |
478 | struct commit *commit = (struct commit *) obj; | |
479 | commit->buffer = NULL; | |
480 | } | |
481 | obj->flags |= FLAG_CHECKED; | |
482 | } | |
483 | } | |
9cf6d335 SV |
484 | } |
485 | ||
92392b4a SP |
486 | static void *get_base_data(struct base_data *c) |
487 | { | |
488 | if (!c->data) { | |
489 | struct object_entry *obj = c->obj; | |
490 | ||
491 | if (obj->type == OBJ_REF_DELTA || obj->type == OBJ_OFS_DELTA) { | |
492 | void *base = get_base_data(c->base); | |
493 | void *raw = get_data_from_pack(obj); | |
494 | c->data = patch_delta( | |
495 | base, c->base->size, | |
496 | raw, obj->size, | |
497 | &c->size); | |
498 | free(raw); | |
499 | if (!c->data) | |
500 | bad_object(obj->idx.offset, "failed to apply delta"); | |
9441b61d | 501 | } else { |
92392b4a | 502 | c->data = get_data_from_pack(obj); |
9441b61d NP |
503 | c->size = obj->size; |
504 | } | |
92392b4a SP |
505 | |
506 | base_cache_used += c->size; | |
507 | prune_base_data(c); | |
508 | } | |
509 | return c->data; | |
510 | } | |
511 | ||
f41aebd4 | 512 | static void resolve_delta(struct object_entry *delta_obj, |
9441b61d | 513 | struct base_data *base, struct base_data *result) |
9cf6d335 | 514 | { |
ce3f6dc6 | 515 | void *base_data, *delta_data; |
9cf6d335 | 516 | |
ce3f6dc6 | 517 | delta_obj->real_type = base->obj->real_type; |
636171cb | 518 | delta_data = get_data_from_pack(delta_obj); |
ce3f6dc6 | 519 | base_data = get_base_data(base); |
9441b61d | 520 | result->obj = delta_obj; |
ce3f6dc6 NP |
521 | result->data = patch_delta(base_data, base->size, |
522 | delta_data, delta_obj->size, &result->size); | |
9cf6d335 | 523 | free(delta_data); |
9441b61d | 524 | if (!result->data) |
aa7e44bf | 525 | bad_object(delta_obj->idx.offset, "failed to apply delta"); |
9441b61d NP |
526 | sha1_object(result->data, result->size, delta_obj->real_type, |
527 | delta_obj->idx.sha1); | |
636171cb | 528 | nr_resolved_deltas++; |
9441b61d NP |
529 | } |
530 | ||
531 | static void find_unresolved_deltas(struct base_data *base, | |
532 | struct base_data *prev_base) | |
533 | { | |
6a87ed97 | 534 | int i, ref_first, ref_last, ofs_first, ofs_last; |
9441b61d NP |
535 | |
536 | /* | |
537 | * This is a recursive function. Those brackets should help reducing | |
538 | * stack usage by limiting the scope of the delta_base union. | |
539 | */ | |
540 | { | |
541 | union delta_base base_spec; | |
542 | ||
543 | hashcpy(base_spec.sha1, base->obj->idx.sha1); | |
6a87ed97 | 544 | find_delta_children(&base_spec, &ref_first, &ref_last); |
53dda6ff | 545 | |
9441b61d NP |
546 | memset(&base_spec, 0, sizeof(base_spec)); |
547 | base_spec.offset = base->obj->idx.offset; | |
6a87ed97 | 548 | find_delta_children(&base_spec, &ofs_first, &ofs_last); |
9441b61d | 549 | } |
4a438cab | 550 | |
9ed19614 NP |
551 | if (ref_last == -1 && ofs_last == -1) { |
552 | free(base->data); | |
9441b61d | 553 | return; |
9ed19614 | 554 | } |
53dda6ff | 555 | |
9441b61d | 556 | link_base_data(prev_base, base); |
4a438cab | 557 | |
6a87ed97 NP |
558 | for (i = ref_first; i <= ref_last; i++) { |
559 | struct object_entry *child = objects + deltas[i].obj_no; | |
560 | if (child->real_type == OBJ_REF_DELTA) { | |
561 | struct base_data result; | |
562 | resolve_delta(child, base, &result); | |
563 | if (i == ref_last && ofs_last == -1) | |
564 | free_base_data(base); | |
565 | find_unresolved_deltas(&result, base); | |
636171cb | 566 | } |
53dda6ff NP |
567 | } |
568 | ||
6a87ed97 NP |
569 | for (i = ofs_first; i <= ofs_last; i++) { |
570 | struct object_entry *child = objects + deltas[i].obj_no; | |
571 | if (child->real_type == OBJ_OFS_DELTA) { | |
572 | struct base_data result; | |
573 | resolve_delta(child, base, &result); | |
574 | if (i == ofs_last) | |
575 | free_base_data(base); | |
576 | find_unresolved_deltas(&result, base); | |
636171cb | 577 | } |
9cf6d335 | 578 | } |
53dda6ff | 579 | |
9441b61d | 580 | unlink_base_data(base); |
9cf6d335 SV |
581 | } |
582 | ||
583 | static int compare_delta_entry(const void *a, const void *b) | |
584 | { | |
585 | const struct delta_entry *delta_a = a; | |
586 | const struct delta_entry *delta_b = b; | |
3c552873 | 587 | return memcmp(&delta_a->base, &delta_b->base, UNION_BASE_SZ); |
9cf6d335 SV |
588 | } |
589 | ||
2d477051 NP |
590 | /* Parse all objects and return the pack content SHA1 hash */ |
591 | static void parse_pack_objects(unsigned char *sha1) | |
9cf6d335 | 592 | { |
96a02f8f | 593 | int i; |
53dda6ff | 594 | struct delta_entry *delta = deltas; |
2d477051 | 595 | struct stat st; |
9cf6d335 SV |
596 | |
597 | /* | |
598 | * First pass: | |
599 | * - find locations of all objects; | |
600 | * - calculate SHA1 of all non-delta objects; | |
b89c4e93 | 601 | * - remember base (SHA1 or offset) for all deltas. |
9cf6d335 | 602 | */ |
13aaf148 | 603 | if (verbose) |
29e63ed3 NP |
604 | progress = start_progress( |
605 | from_stdin ? "Receiving objects" : "Indexing objects", | |
606 | nr_objects); | |
9cf6d335 SV |
607 | for (i = 0; i < nr_objects; i++) { |
608 | struct object_entry *obj = &objects[i]; | |
f41aebd4 | 609 | void *data = unpack_raw_entry(obj, &delta->base); |
9cf6d335 | 610 | obj->real_type = obj->type; |
53dda6ff NP |
611 | if (obj->type == OBJ_REF_DELTA || obj->type == OBJ_OFS_DELTA) { |
612 | nr_deltas++; | |
636171cb | 613 | delta->obj_no = i; |
53dda6ff | 614 | delta++; |
9cf6d335 | 615 | } else |
aa7e44bf | 616 | sha1_object(data, obj->size, obj->type, obj->idx.sha1); |
9cf6d335 | 617 | free(data); |
4d4fcc54 | 618 | display_progress(progress, i+1); |
9cf6d335 | 619 | } |
aa7e44bf | 620 | objects[i].idx.offset = consumed_bytes; |
4d4fcc54 | 621 | stop_progress(&progress); |
2d477051 NP |
622 | |
623 | /* Check pack integrity */ | |
636171cb | 624 | flush(); |
9126f009 | 625 | git_SHA1_Final(sha1, &input_ctx); |
2d477051 | 626 | if (hashcmp(fill(20), sha1)) |
e42797f5 | 627 | die("pack is corrupted (SHA1 mismatch)"); |
9bee2478 | 628 | use(20); |
2d477051 NP |
629 | |
630 | /* If input_fd is a file, we should have reached its end now. */ | |
631 | if (fstat(input_fd, &st)) | |
d824cbba | 632 | die_errno("cannot fstat packfile"); |
fa257b05 JS |
633 | if (S_ISREG(st.st_mode) && |
634 | lseek(input_fd, 0, SEEK_CUR) - input_len != st.st_size) | |
e42797f5 | 635 | die("pack has junk at the end"); |
9cf6d335 | 636 | |
3c9af366 NP |
637 | if (!nr_deltas) |
638 | return; | |
639 | ||
53dda6ff | 640 | /* Sort deltas by base SHA1/offset for fast searching */ |
9cf6d335 SV |
641 | qsort(deltas, nr_deltas, sizeof(struct delta_entry), |
642 | compare_delta_entry); | |
643 | ||
644 | /* | |
645 | * Second pass: | |
646 | * - for all non-delta objects, look if it is used as a base for | |
647 | * deltas; | |
648 | * - if used as a base, uncompress the object and apply all deltas, | |
649 | * recursively checking if the resulting object is used as a base | |
650 | * for some more deltas. | |
651 | */ | |
13aaf148 | 652 | if (verbose) |
dc6a0757 | 653 | progress = start_progress("Resolving deltas", nr_deltas); |
9cf6d335 SV |
654 | for (i = 0; i < nr_objects; i++) { |
655 | struct object_entry *obj = &objects[i]; | |
f41aebd4 | 656 | struct base_data base_obj; |
9cf6d335 | 657 | |
53dda6ff | 658 | if (obj->type == OBJ_REF_DELTA || obj->type == OBJ_OFS_DELTA) |
9cf6d335 | 659 | continue; |
03993e13 | 660 | base_obj.obj = obj; |
9441b61d NP |
661 | base_obj.data = NULL; |
662 | find_unresolved_deltas(&base_obj, NULL); | |
4d4fcc54 | 663 | display_progress(progress, nr_resolved_deltas); |
9cf6d335 | 664 | } |
636171cb NP |
665 | } |
666 | ||
8522148f | 667 | static int write_compressed(struct sha1file *f, void *in, unsigned int size) |
636171cb NP |
668 | { |
669 | z_stream stream; | |
7734d7f2 NP |
670 | int status; |
671 | unsigned char outbuf[4096]; | |
636171cb NP |
672 | |
673 | memset(&stream, 0, sizeof(stream)); | |
674 | deflateInit(&stream, zlib_compression_level); | |
636171cb NP |
675 | stream.next_in = in; |
676 | stream.avail_in = size; | |
636171cb | 677 | |
7734d7f2 NP |
678 | do { |
679 | stream.next_out = outbuf; | |
680 | stream.avail_out = sizeof(outbuf); | |
681 | status = deflate(&stream, Z_FINISH); | |
682 | sha1write(f, outbuf, sizeof(outbuf) - stream.avail_out); | |
683 | } while (status == Z_OK); | |
684 | ||
685 | if (status != Z_STREAM_END) | |
686 | die("unable to deflate appended object (%d)", status); | |
636171cb | 687 | size = stream.total_out; |
7734d7f2 | 688 | deflateEnd(&stream); |
636171cb NP |
689 | return size; |
690 | } | |
691 | ||
8522148f | 692 | static struct object_entry *append_obj_to_pack(struct sha1file *f, |
03993e13 | 693 | const unsigned char *sha1, void *buf, |
636171cb NP |
694 | unsigned long size, enum object_type type) |
695 | { | |
696 | struct object_entry *obj = &objects[nr_objects++]; | |
697 | unsigned char header[10]; | |
698 | unsigned long s = size; | |
699 | int n = 0; | |
700 | unsigned char c = (type << 4) | (s & 15); | |
701 | s >>= 4; | |
702 | while (s) { | |
703 | header[n++] = c | 0x80; | |
704 | c = s & 0x7f; | |
705 | s >>= 7; | |
706 | } | |
707 | header[n++] = c; | |
8522148f NP |
708 | crc32_begin(f); |
709 | sha1write(f, header, n); | |
72de2883 BS |
710 | obj[0].size = size; |
711 | obj[0].hdr_size = n; | |
712 | obj[0].type = type; | |
713 | obj[0].real_type = type; | |
aa7e44bf | 714 | obj[1].idx.offset = obj[0].idx.offset + n; |
8522148f NP |
715 | obj[1].idx.offset += write_compressed(f, buf, size); |
716 | obj[0].idx.crc32 = crc32_end(f); | |
838cd346 | 717 | sha1flush(f); |
aa7e44bf | 718 | hashcpy(obj->idx.sha1, sha1); |
03993e13 | 719 | return obj; |
636171cb NP |
720 | } |
721 | ||
722 | static int delta_pos_compare(const void *_a, const void *_b) | |
723 | { | |
724 | struct delta_entry *a = *(struct delta_entry **)_a; | |
725 | struct delta_entry *b = *(struct delta_entry **)_b; | |
726 | return a->obj_no - b->obj_no; | |
727 | } | |
9cf6d335 | 728 | |
8522148f | 729 | static void fix_unresolved_deltas(struct sha1file *f, int nr_unresolved) |
636171cb NP |
730 | { |
731 | struct delta_entry **sorted_by_pos; | |
96a02f8f | 732 | int i, n = 0; |
636171cb NP |
733 | |
734 | /* | |
735 | * Since many unresolved deltas may well be themselves base objects | |
736 | * for more unresolved deltas, we really want to include the | |
737 | * smallest number of base objects that would cover as much delta | |
738 | * as possible by picking the | |
739 | * trunc deltas first, allowing for other deltas to resolve without | |
740 | * additional base objects. Since most base objects are to be found | |
741 | * before deltas depending on them, a good heuristic is to start | |
742 | * resolving deltas in the same order as their position in the pack. | |
743 | */ | |
744 | sorted_by_pos = xmalloc(nr_unresolved * sizeof(*sorted_by_pos)); | |
9cf6d335 | 745 | for (i = 0; i < nr_deltas; i++) { |
636171cb NP |
746 | if (objects[deltas[i].obj_no].real_type != OBJ_REF_DELTA) |
747 | continue; | |
748 | sorted_by_pos[n++] = &deltas[i]; | |
9cf6d335 | 749 | } |
636171cb NP |
750 | qsort(sorted_by_pos, n, sizeof(*sorted_by_pos), delta_pos_compare); |
751 | ||
752 | for (i = 0; i < n; i++) { | |
753 | struct delta_entry *d = sorted_by_pos[i]; | |
21666f1a | 754 | enum object_type type; |
f41aebd4 | 755 | struct base_data base_obj; |
636171cb NP |
756 | |
757 | if (objects[d->obj_no].real_type != OBJ_REF_DELTA) | |
758 | continue; | |
f41aebd4 SP |
759 | base_obj.data = read_sha1_file(d->base.sha1, &type, &base_obj.size); |
760 | if (!base_obj.data) | |
636171cb | 761 | continue; |
636171cb | 762 | |
03993e13 SP |
763 | if (check_sha1_signature(d->base.sha1, base_obj.data, |
764 | base_obj.size, typename(type))) | |
765 | die("local object %s is corrupt", sha1_to_hex(d->base.sha1)); | |
8522148f NP |
766 | base_obj.obj = append_obj_to_pack(f, d->base.sha1, |
767 | base_obj.data, base_obj.size, type); | |
9441b61d | 768 | find_unresolved_deltas(&base_obj, NULL); |
4d4fcc54 | 769 | display_progress(progress, nr_resolved_deltas); |
636171cb NP |
770 | } |
771 | free(sorted_by_pos); | |
772 | } | |
773 | ||
e42797f5 NP |
774 | static void final(const char *final_pack_name, const char *curr_pack_name, |
775 | const char *final_index_name, const char *curr_index_name, | |
b8077709 | 776 | const char *keep_name, const char *keep_msg, |
e42797f5 NP |
777 | unsigned char *sha1) |
778 | { | |
3a55602e | 779 | const char *report = "pack"; |
e42797f5 NP |
780 | char name[PATH_MAX]; |
781 | int err; | |
782 | ||
783 | if (!from_stdin) { | |
784 | close(input_fd); | |
785 | } else { | |
4c81b03e | 786 | fsync_or_die(output_fd, curr_pack_name); |
e42797f5 NP |
787 | err = close(output_fd); |
788 | if (err) | |
d824cbba | 789 | die_errno("error while closing pack file"); |
e42797f5 NP |
790 | } |
791 | ||
b8077709 SP |
792 | if (keep_msg) { |
793 | int keep_fd, keep_msg_len = strlen(keep_msg); | |
6e180cdc JH |
794 | |
795 | if (!keep_name) | |
796 | keep_fd = odb_pack_keep(name, sizeof(name), sha1); | |
797 | else | |
798 | keep_fd = open(keep_name, O_RDWR|O_CREAT|O_EXCL, 0600); | |
799 | ||
9ca4a201 NP |
800 | if (keep_fd < 0) { |
801 | if (errno != EEXIST) | |
d824cbba TR |
802 | die_errno("cannot write keep file '%s'", |
803 | keep_name); | |
9ca4a201 NP |
804 | } else { |
805 | if (keep_msg_len > 0) { | |
806 | write_or_die(keep_fd, keep_msg, keep_msg_len); | |
807 | write_or_die(keep_fd, "\n", 1); | |
808 | } | |
91c8d590 | 809 | if (close(keep_fd) != 0) |
d824cbba TR |
810 | die_errno("cannot close written keep file '%s'", |
811 | keep_name); | |
576162a4 | 812 | report = "keep"; |
b8077709 | 813 | } |
b8077709 SP |
814 | } |
815 | ||
e42797f5 NP |
816 | if (final_pack_name != curr_pack_name) { |
817 | if (!final_pack_name) { | |
818 | snprintf(name, sizeof(name), "%s/pack/pack-%s.pack", | |
819 | get_object_directory(), sha1_to_hex(sha1)); | |
820 | final_pack_name = name; | |
821 | } | |
822 | if (move_temp_to_file(curr_pack_name, final_pack_name)) | |
823 | die("cannot store pack file"); | |
fb8b1936 | 824 | } else if (from_stdin) |
33b65030 | 825 | chmod(final_pack_name, 0444); |
e42797f5 | 826 | |
e42797f5 NP |
827 | if (final_index_name != curr_index_name) { |
828 | if (!final_index_name) { | |
829 | snprintf(name, sizeof(name), "%s/pack/pack-%s.idx", | |
830 | get_object_directory(), sha1_to_hex(sha1)); | |
831 | final_index_name = name; | |
832 | } | |
833 | if (move_temp_to_file(curr_index_name, final_index_name)) | |
834 | die("cannot store index file"); | |
fb8b1936 JH |
835 | } else |
836 | chmod(final_index_name, 0444); | |
576162a4 NP |
837 | |
838 | if (!from_stdin) { | |
839 | printf("%s\n", sha1_to_hex(sha1)); | |
840 | } else { | |
841 | char buf[48]; | |
842 | int len = snprintf(buf, sizeof(buf), "%s\t%s\n", | |
843 | report, sha1_to_hex(sha1)); | |
d1b2ddc8 | 844 | write_or_die(1, buf, len); |
576162a4 NP |
845 | |
846 | /* | |
847 | * Let's just mimic git-unpack-objects here and write | |
848 | * the last part of the input buffer to stdout. | |
849 | */ | |
850 | while (input_len) { | |
851 | err = xwrite(1, input_buffer + input_offset, input_len); | |
852 | if (err <= 0) | |
853 | break; | |
854 | input_len -= err; | |
855 | input_offset += err; | |
856 | } | |
857 | } | |
9cf6d335 SV |
858 | } |
859 | ||
ef90d6d4 | 860 | static int git_index_pack_config(const char *k, const char *v, void *cb) |
4d00bda2 NP |
861 | { |
862 | if (!strcmp(k, "pack.indexversion")) { | |
863 | pack_idx_default_version = git_config_int(k, v); | |
864 | if (pack_idx_default_version > 2) | |
6e1c2344 RJ |
865 | die("bad pack.indexversion=%"PRIu32, |
866 | pack_idx_default_version); | |
4d00bda2 NP |
867 | return 0; |
868 | } | |
ef90d6d4 | 869 | return git_default_config(k, v, cb); |
4d00bda2 NP |
870 | } |
871 | ||
3bb72562 | 872 | int cmd_index_pack(int argc, const char **argv, const char *prefix) |
9cf6d335 | 873 | { |
636171cb | 874 | int i, fix_thin_pack = 0; |
3bb72562 LT |
875 | const char *curr_pack, *curr_index; |
876 | const char *index_name = NULL, *pack_name = NULL; | |
b8077709 SP |
877 | const char *keep_name = NULL, *keep_msg = NULL; |
878 | char *index_name_buf = NULL, *keep_name_buf = NULL; | |
aa7e44bf | 879 | struct pack_idx_entry **idx_objects; |
8522148f | 880 | unsigned char pack_sha1[20]; |
9cf6d335 | 881 | |
99caeed0 JN |
882 | if (argc == 2 && !strcmp(argv[1], "-h")) |
883 | usage(index_pack_usage); | |
884 | ||
6e2a09d2 NE |
885 | read_replace_refs = 0; |
886 | ||
3f8099fc NTND |
887 | git_config(git_index_pack_config, NULL); |
888 | if (prefix && chdir(prefix)) | |
889 | die("Cannot come back to cwd"); | |
4d00bda2 | 890 | |
9cf6d335 | 891 | for (i = 1; i < argc; i++) { |
3bb72562 | 892 | const char *arg = argv[i]; |
9cf6d335 SV |
893 | |
894 | if (*arg == '-') { | |
e42797f5 NP |
895 | if (!strcmp(arg, "--stdin")) { |
896 | from_stdin = 1; | |
636171cb NP |
897 | } else if (!strcmp(arg, "--fix-thin")) { |
898 | fix_thin_pack = 1; | |
0153be05 MK |
899 | } else if (!strcmp(arg, "--strict")) { |
900 | strict = 1; | |
b8077709 SP |
901 | } else if (!strcmp(arg, "--keep")) { |
902 | keep_msg = ""; | |
cc44c765 | 903 | } else if (!prefixcmp(arg, "--keep=")) { |
b8077709 | 904 | keep_msg = arg + 7; |
cc44c765 | 905 | } else if (!prefixcmp(arg, "--pack_header=")) { |
bed006fb NP |
906 | struct pack_header *hdr; |
907 | char *c; | |
908 | ||
909 | hdr = (struct pack_header *)input_buffer; | |
910 | hdr->hdr_signature = htonl(PACK_SIGNATURE); | |
911 | hdr->hdr_version = htonl(strtoul(arg + 14, &c, 10)); | |
912 | if (*c != ',') | |
913 | die("bad %s", arg); | |
914 | hdr->hdr_entries = htonl(strtoul(c + 1, &c, 10)); | |
915 | if (*c) | |
916 | die("bad %s", arg); | |
917 | input_len = sizeof(*hdr); | |
3c9af366 NP |
918 | } else if (!strcmp(arg, "-v")) { |
919 | verbose = 1; | |
e42797f5 | 920 | } else if (!strcmp(arg, "-o")) { |
9cf6d335 SV |
921 | if (index_name || (i+1) >= argc) |
922 | usage(index_pack_usage); | |
923 | index_name = argv[++i]; | |
4ba7d711 NP |
924 | } else if (!prefixcmp(arg, "--index-version=")) { |
925 | char *c; | |
aa7e44bf GB |
926 | pack_idx_default_version = strtoul(arg + 16, &c, 10); |
927 | if (pack_idx_default_version > 2) | |
4ba7d711 NP |
928 | die("bad %s", arg); |
929 | if (*c == ',') | |
aa7e44bf GB |
930 | pack_idx_off32_limit = strtoul(c+1, &c, 0); |
931 | if (*c || pack_idx_off32_limit & 0x80000000) | |
4ba7d711 | 932 | die("bad %s", arg); |
9cf6d335 SV |
933 | } else |
934 | usage(index_pack_usage); | |
935 | continue; | |
936 | } | |
937 | ||
938 | if (pack_name) | |
939 | usage(index_pack_usage); | |
940 | pack_name = arg; | |
941 | } | |
942 | ||
e42797f5 | 943 | if (!pack_name && !from_stdin) |
9cf6d335 | 944 | usage(index_pack_usage); |
636171cb NP |
945 | if (fix_thin_pack && !from_stdin) |
946 | die("--fix-thin cannot be used without --stdin"); | |
e42797f5 | 947 | if (!index_name && pack_name) { |
9cf6d335 | 948 | int len = strlen(pack_name); |
5bb1cda5 | 949 | if (!has_extension(pack_name, ".pack")) |
9cf6d335 SV |
950 | die("packfile name '%s' does not end with '.pack'", |
951 | pack_name); | |
6689f087 | 952 | index_name_buf = xmalloc(len); |
9cf6d335 SV |
953 | memcpy(index_name_buf, pack_name, len - 5); |
954 | strcpy(index_name_buf + len - 5, ".idx"); | |
955 | index_name = index_name_buf; | |
956 | } | |
b8077709 SP |
957 | if (keep_msg && !keep_name && pack_name) { |
958 | int len = strlen(pack_name); | |
959 | if (!has_extension(pack_name, ".pack")) | |
960 | die("packfile name '%s' does not end with '.pack'", | |
961 | pack_name); | |
962 | keep_name_buf = xmalloc(len); | |
963 | memcpy(keep_name_buf, pack_name, len - 5); | |
964 | strcpy(keep_name_buf + len - 5, ".keep"); | |
965 | keep_name = keep_name_buf; | |
966 | } | |
9cf6d335 | 967 | |
e42797f5 | 968 | curr_pack = open_pack_file(pack_name); |
9cf6d335 | 969 | parse_pack_header(); |
636171cb NP |
970 | objects = xmalloc((nr_objects + 1) * sizeof(struct object_entry)); |
971 | deltas = xmalloc(nr_objects * sizeof(struct delta_entry)); | |
8522148f | 972 | parse_pack_objects(pack_sha1); |
96a02f8f | 973 | if (nr_deltas == nr_resolved_deltas) { |
4d4fcc54 | 974 | stop_progress(&progress); |
96a02f8f NP |
975 | /* Flush remaining pack final 20-byte SHA1. */ |
976 | flush(); | |
977 | } else { | |
636171cb | 978 | if (fix_thin_pack) { |
8522148f NP |
979 | struct sha1file *f; |
980 | unsigned char read_sha1[20], tail_sha1[20]; | |
a984a06a | 981 | char msg[48]; |
636171cb | 982 | int nr_unresolved = nr_deltas - nr_resolved_deltas; |
3c9af366 | 983 | int nr_objects_initial = nr_objects; |
636171cb NP |
984 | if (nr_unresolved <= 0) |
985 | die("confusion beyond insanity"); | |
986 | objects = xrealloc(objects, | |
987 | (nr_objects + nr_unresolved + 1) | |
988 | * sizeof(*objects)); | |
8522148f NP |
989 | f = sha1fd(output_fd, curr_pack); |
990 | fix_unresolved_deltas(f, nr_unresolved); | |
a984a06a NP |
991 | sprintf(msg, "completed with %d local objects", |
992 | nr_objects - nr_objects_initial); | |
993 | stop_progress_msg(&progress, msg); | |
8522148f NP |
994 | sha1close(f, tail_sha1, 0); |
995 | hashcpy(read_sha1, pack_sha1); | |
996 | fixup_pack_header_footer(output_fd, pack_sha1, | |
abeb40e5 | 997 | curr_pack, nr_objects, |
8522148f NP |
998 | read_sha1, consumed_bytes-20); |
999 | if (hashcmp(read_sha1, tail_sha1) != 0) | |
1000 | die("Unexpected tail checksum for %s " | |
1001 | "(disk corruption?)", curr_pack); | |
636171cb NP |
1002 | } |
1003 | if (nr_deltas != nr_resolved_deltas) | |
1004 | die("pack has %d unresolved deltas", | |
1005 | nr_deltas - nr_resolved_deltas); | |
636171cb | 1006 | } |
9cf6d335 | 1007 | free(deltas); |
0153be05 MK |
1008 | if (strict) |
1009 | check_objects(); | |
aa7e44bf GB |
1010 | |
1011 | idx_objects = xmalloc((nr_objects) * sizeof(struct pack_idx_entry *)); | |
1012 | for (i = 0; i < nr_objects; i++) | |
1013 | idx_objects[i] = &objects[i].idx; | |
8522148f | 1014 | curr_index = write_idx_file(index_name, idx_objects, nr_objects, pack_sha1); |
aa7e44bf GB |
1015 | free(idx_objects); |
1016 | ||
b8077709 SP |
1017 | final(pack_name, curr_pack, |
1018 | index_name, curr_index, | |
1019 | keep_name, keep_msg, | |
8522148f | 1020 | pack_sha1); |
9cf6d335 SV |
1021 | free(objects); |
1022 | free(index_name_buf); | |
b8077709 | 1023 | free(keep_name_buf); |
c85228ed | 1024 | if (pack_name == NULL) |
3bb72562 | 1025 | free((void *) curr_pack); |
c85228ed | 1026 | if (index_name == NULL) |
3bb72562 | 1027 | free((void *) curr_index); |
9cf6d335 SV |
1028 | |
1029 | return 0; | |
1030 | } |