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Commit | Line | Data |
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f2dc849e JS |
1 | /* |
2 | * "git fast-export" builtin command | |
3 | * | |
4 | * Copyright (C) 2007 Johannes E. Schindelin | |
5 | */ | |
6 | #include "builtin.h" | |
7 | #include "cache.h" | |
b2141fc1 | 8 | #include "config.h" |
fb58c8d5 | 9 | #include "refs.h" |
ec0cb496 | 10 | #include "refspec.h" |
cbd53a21 | 11 | #include "object-store.h" |
f2dc849e JS |
12 | #include "commit.h" |
13 | #include "object.h" | |
14 | #include "tag.h" | |
15 | #include "diff.h" | |
16 | #include "diffcore.h" | |
17 | #include "log-tree.h" | |
18 | #include "revision.h" | |
19 | #include "decorate.h" | |
c455c87c | 20 | #include "string-list.h" |
f2dc849e JS |
21 | #include "utf8.h" |
22 | #include "parse-options.h" | |
6280dfdc | 23 | #include "quote.h" |
03e9010c | 24 | #include "remote.h" |
a8722750 | 25 | #include "blob.h" |
87be2523 | 26 | #include "commit-slab.h" |
f2dc849e JS |
27 | |
28 | static const char *fast_export_usage[] = { | |
3b787b96 | 29 | N_("git fast-export [rev-list-opts]"), |
f2dc849e JS |
30 | NULL |
31 | }; | |
32 | ||
33 | static int progress; | |
b93b81e7 EN |
34 | static enum { SIGNED_TAG_ABORT, VERBATIM, WARN, WARN_STRIP, STRIP } signed_tag_mode = SIGNED_TAG_ABORT; |
35 | static enum { TAG_FILTERING_ABORT, DROP, REWRITE } tag_of_filtered_mode = TAG_FILTERING_ABORT; | |
4e46a8d6 | 36 | static int fake_missing_tagger; |
82670a5c | 37 | static int use_done_feature; |
79559f27 | 38 | static int no_data; |
7f40ab09 | 39 | static int full_tree; |
1d844ee7 | 40 | static struct string_list extra_refs = STRING_LIST_INIT_NODUP; |
16eefc8e | 41 | static struct refspec refspecs = REFSPEC_INIT_FETCH; |
a8722750 | 42 | static int anonymize; |
87be2523 | 43 | static struct revision_sources revision_sources; |
f2dc849e JS |
44 | |
45 | static int parse_opt_signed_tag_mode(const struct option *opt, | |
46 | const char *arg, int unset) | |
47 | { | |
48 | if (unset || !strcmp(arg, "abort")) | |
b93b81e7 | 49 | signed_tag_mode = SIGNED_TAG_ABORT; |
ee4bc371 JS |
50 | else if (!strcmp(arg, "verbatim") || !strcmp(arg, "ignore")) |
51 | signed_tag_mode = VERBATIM; | |
f2dc849e JS |
52 | else if (!strcmp(arg, "warn")) |
53 | signed_tag_mode = WARN; | |
cd16c59b JK |
54 | else if (!strcmp(arg, "warn-strip")) |
55 | signed_tag_mode = WARN_STRIP; | |
f2dc849e JS |
56 | else if (!strcmp(arg, "strip")) |
57 | signed_tag_mode = STRIP; | |
58 | else | |
04a74b6c | 59 | return error("Unknown signed-tags mode: %s", arg); |
f2dc849e JS |
60 | return 0; |
61 | } | |
62 | ||
2d8ad469 EN |
63 | static int parse_opt_tag_of_filtered_mode(const struct option *opt, |
64 | const char *arg, int unset) | |
65 | { | |
66 | if (unset || !strcmp(arg, "abort")) | |
b93b81e7 | 67 | tag_of_filtered_mode = TAG_FILTERING_ABORT; |
2d8ad469 EN |
68 | else if (!strcmp(arg, "drop")) |
69 | tag_of_filtered_mode = DROP; | |
70 | else if (!strcmp(arg, "rewrite")) | |
71 | tag_of_filtered_mode = REWRITE; | |
72 | else | |
73 | return error("Unknown tag-of-filtered mode: %s", arg); | |
74 | return 0; | |
75 | } | |
76 | ||
f2dc849e JS |
77 | static struct decoration idnums; |
78 | static uint32_t last_idnum; | |
79 | ||
80 | static int has_unshown_parent(struct commit *commit) | |
81 | { | |
82 | struct commit_list *parent; | |
83 | ||
84 | for (parent = commit->parents; parent; parent = parent->next) | |
85 | if (!(parent->item->object.flags & SHOWN) && | |
86 | !(parent->item->object.flags & UNINTERESTING)) | |
87 | return 1; | |
88 | return 0; | |
89 | } | |
90 | ||
a8722750 JK |
91 | struct anonymized_entry { |
92 | struct hashmap_entry hash; | |
93 | const char *orig; | |
94 | size_t orig_len; | |
95 | const char *anon; | |
96 | size_t anon_len; | |
97 | }; | |
98 | ||
7663cdc8 SB |
99 | static int anonymized_entry_cmp(const void *unused_cmp_data, |
100 | const void *va, const void *vb, | |
101 | const void *unused_keydata) | |
a8722750 JK |
102 | { |
103 | const struct anonymized_entry *a = va, *b = vb; | |
104 | return a->orig_len != b->orig_len || | |
105 | memcmp(a->orig, b->orig, a->orig_len); | |
106 | } | |
107 | ||
108 | /* | |
109 | * Basically keep a cache of X->Y so that we can repeatedly replace | |
110 | * the same anonymized string with another. The actual generation | |
111 | * is farmed out to the generate function. | |
112 | */ | |
113 | static const void *anonymize_mem(struct hashmap *map, | |
114 | void *(*generate)(const void *, size_t *), | |
115 | const void *orig, size_t *len) | |
116 | { | |
117 | struct anonymized_entry key, *ret; | |
118 | ||
119 | if (!map->cmpfn) | |
7663cdc8 | 120 | hashmap_init(map, anonymized_entry_cmp, NULL, 0); |
a8722750 JK |
121 | |
122 | hashmap_entry_init(&key, memhash(orig, *len)); | |
123 | key.orig = orig; | |
124 | key.orig_len = *len; | |
125 | ret = hashmap_get(map, &key, NULL); | |
126 | ||
127 | if (!ret) { | |
128 | ret = xmalloc(sizeof(*ret)); | |
129 | hashmap_entry_init(&ret->hash, key.hash.hash); | |
130 | ret->orig = xstrdup(orig); | |
131 | ret->orig_len = *len; | |
132 | ret->anon = generate(orig, len); | |
133 | ret->anon_len = *len; | |
134 | hashmap_put(map, ret); | |
135 | } | |
136 | ||
137 | *len = ret->anon_len; | |
138 | return ret->anon; | |
139 | } | |
140 | ||
141 | /* | |
142 | * We anonymize each component of a path individually, | |
143 | * so that paths a/b and a/c will share a common root. | |
144 | * The paths are cached via anonymize_mem so that repeated | |
145 | * lookups for "a" will yield the same value. | |
146 | */ | |
147 | static void anonymize_path(struct strbuf *out, const char *path, | |
148 | struct hashmap *map, | |
149 | void *(*generate)(const void *, size_t *)) | |
150 | { | |
151 | while (*path) { | |
152 | const char *end_of_component = strchrnul(path, '/'); | |
153 | size_t len = end_of_component - path; | |
154 | const char *c = anonymize_mem(map, generate, path, &len); | |
155 | strbuf_add(out, c, len); | |
156 | path = end_of_component; | |
157 | if (*path) | |
158 | strbuf_addch(out, *path++); | |
159 | } | |
160 | } | |
161 | ||
c112084a | 162 | static inline void *mark_to_ptr(uint32_t mark) |
f2dc849e | 163 | { |
c112084a | 164 | return (void *)(uintptr_t)mark; |
df6a7ff7 PB |
165 | } |
166 | ||
167 | static inline uint32_t ptr_to_mark(void * mark) | |
168 | { | |
c112084a | 169 | return (uint32_t)(uintptr_t)mark; |
df6a7ff7 PB |
170 | } |
171 | ||
172 | static inline void mark_object(struct object *object, uint32_t mark) | |
173 | { | |
174 | add_decoration(&idnums, object, mark_to_ptr(mark)); | |
175 | } | |
176 | ||
177 | static inline void mark_next_object(struct object *object) | |
178 | { | |
179 | mark_object(object, ++last_idnum); | |
f2dc849e JS |
180 | } |
181 | ||
182 | static int get_object_mark(struct object *object) | |
183 | { | |
184 | void *decoration = lookup_decoration(&idnums, object); | |
185 | if (!decoration) | |
186 | return 0; | |
df6a7ff7 | 187 | return ptr_to_mark(decoration); |
f2dc849e JS |
188 | } |
189 | ||
190 | static void show_progress(void) | |
191 | { | |
192 | static int counter = 0; | |
193 | if (!progress) | |
194 | return; | |
195 | if ((++counter % progress) == 0) | |
196 | printf("progress %d objects\n", counter); | |
197 | } | |
198 | ||
a8722750 JK |
199 | /* |
200 | * Ideally we would want some transformation of the blob data here | |
201 | * that is unreversible, but would still be the same size and have | |
202 | * the same data relationship to other blobs (so that we get the same | |
203 | * delta and packing behavior as the original). But the first and last | |
204 | * requirements there are probably mutually exclusive, so let's take | |
205 | * the easy way out for now, and just generate arbitrary content. | |
206 | * | |
207 | * There's no need to cache this result with anonymize_mem, since | |
208 | * we already handle blob content caching with marks. | |
209 | */ | |
210 | static char *anonymize_blob(unsigned long *size) | |
211 | { | |
212 | static int counter; | |
213 | struct strbuf out = STRBUF_INIT; | |
214 | strbuf_addf(&out, "anonymous blob %d", counter++); | |
215 | *size = out.len; | |
216 | return strbuf_detach(&out, NULL); | |
217 | } | |
218 | ||
273f8ee8 | 219 | static void export_blob(const struct object_id *oid) |
f2dc849e JS |
220 | { |
221 | unsigned long size; | |
222 | enum object_type type; | |
223 | char *buf; | |
224 | struct object *object; | |
30b939c3 | 225 | int eaten; |
f2dc849e | 226 | |
79559f27 GI |
227 | if (no_data) |
228 | return; | |
229 | ||
273f8ee8 | 230 | if (is_null_oid(oid)) |
f2dc849e JS |
231 | return; |
232 | ||
5abddd1e | 233 | object = lookup_object(the_repository, oid->hash); |
30b939c3 | 234 | if (object && object->flags & SHOWN) |
f2dc849e JS |
235 | return; |
236 | ||
a8722750 JK |
237 | if (anonymize) { |
238 | buf = anonymize_blob(&size); | |
da14a7ff | 239 | object = (struct object *)lookup_blob(the_repository, oid); |
a8722750 JK |
240 | eaten = 0; |
241 | } else { | |
b4f5aca4 | 242 | buf = read_object_file(oid, &type, &size); |
a8722750 | 243 | if (!buf) |
1a07e59c | 244 | die("could not read blob %s", oid_to_hex(oid)); |
17e65451 | 245 | if (check_object_signature(oid, buf, size, type_name(type)) < 0) |
843b9e6d | 246 | die("oid mismatch in blob %s", oid_to_hex(oid)); |
1ec5bfd2 SB |
247 | object = parse_object_buffer(the_repository, oid, type, |
248 | size, buf, &eaten); | |
a8722750 JK |
249 | } |
250 | ||
30b939c3 | 251 | if (!object) |
273f8ee8 | 252 | die("Could not read blob %s", oid_to_hex(oid)); |
f2dc849e | 253 | |
df6a7ff7 | 254 | mark_next_object(object); |
f2dc849e | 255 | |
6e1c2344 | 256 | printf("blob\nmark :%"PRIu32"\ndata %lu\n", last_idnum, size); |
b0fe0d72 | 257 | if (size && fwrite(buf, size, 1, stdout) != 1) |
1a07e59c | 258 | die_errno("could not write blob '%s'", oid_to_hex(oid)); |
f2dc849e JS |
259 | printf("\n"); |
260 | ||
261 | show_progress(); | |
262 | ||
263 | object->flags |= SHOWN; | |
30b939c3 JK |
264 | if (!eaten) |
265 | free(buf); | |
f2dc849e JS |
266 | } |
267 | ||
060df624 EN |
268 | static int depth_first(const void *a_, const void *b_) |
269 | { | |
270 | const struct diff_filepair *a = *((const struct diff_filepair **)a_); | |
271 | const struct diff_filepair *b = *((const struct diff_filepair **)b_); | |
272 | const char *name_a, *name_b; | |
273 | int len_a, len_b, len; | |
274 | int cmp; | |
275 | ||
276 | name_a = a->one ? a->one->path : a->two->path; | |
277 | name_b = b->one ? b->one->path : b->two->path; | |
278 | ||
279 | len_a = strlen(name_a); | |
280 | len_b = strlen(name_b); | |
281 | len = (len_a < len_b) ? len_a : len_b; | |
282 | ||
283 | /* strcmp will sort 'd' before 'd/e', we want 'd/e' before 'd' */ | |
284 | cmp = memcmp(name_a, name_b, len); | |
285 | if (cmp) | |
286 | return cmp; | |
4ce6fb80 JS |
287 | cmp = len_b - len_a; |
288 | if (cmp) | |
289 | return cmp; | |
290 | /* | |
291 | * Move 'R'ename entries last so that all references of the file | |
292 | * appear in the output before it is renamed (e.g., when a file | |
293 | * was copied and renamed in the same commit). | |
294 | */ | |
295 | return (a->status == 'R') - (b->status == 'R'); | |
060df624 EN |
296 | } |
297 | ||
a8722750 | 298 | static void print_path_1(const char *path) |
6280dfdc JK |
299 | { |
300 | int need_quote = quote_c_style(path, NULL, NULL, 0); | |
301 | if (need_quote) | |
302 | quote_c_style(path, NULL, stdout, 0); | |
ff59f6da JS |
303 | else if (strchr(path, ' ')) |
304 | printf("\"%s\"", path); | |
6280dfdc JK |
305 | else |
306 | printf("%s", path); | |
307 | } | |
308 | ||
a8722750 JK |
309 | static void *anonymize_path_component(const void *path, size_t *len) |
310 | { | |
311 | static int counter; | |
312 | struct strbuf out = STRBUF_INIT; | |
313 | strbuf_addf(&out, "path%d", counter++); | |
314 | return strbuf_detach(&out, len); | |
315 | } | |
316 | ||
317 | static void print_path(const char *path) | |
318 | { | |
319 | if (!anonymize) | |
320 | print_path_1(path); | |
321 | else { | |
322 | static struct hashmap paths; | |
323 | static struct strbuf anon = STRBUF_INIT; | |
324 | ||
325 | anonymize_path(&anon, path, &paths, anonymize_path_component); | |
326 | print_path_1(anon.buf); | |
327 | strbuf_reset(&anon); | |
328 | } | |
329 | } | |
330 | ||
273f8ee8 | 331 | static void *generate_fake_oid(const void *old, size_t *len) |
a8722750 | 332 | { |
843b9e6d EN |
333 | static uint32_t counter = 1; /* avoid null oid */ |
334 | const unsigned hashsz = the_hash_algo->rawsz; | |
335 | unsigned char *out = xcalloc(hashsz, 1); | |
336 | put_be32(out + hashsz - 4, counter++); | |
a8722750 JK |
337 | return out; |
338 | } | |
339 | ||
843b9e6d | 340 | static const struct object_id *anonymize_oid(const struct object_id *oid) |
a8722750 | 341 | { |
843b9e6d EN |
342 | static struct hashmap objs; |
343 | size_t len = the_hash_algo->rawsz; | |
344 | return anonymize_mem(&objs, generate_fake_oid, oid, &len); | |
a8722750 JK |
345 | } |
346 | ||
f2dc849e JS |
347 | static void show_filemodify(struct diff_queue_struct *q, |
348 | struct diff_options *options, void *data) | |
349 | { | |
350 | int i; | |
b3e8ca89 | 351 | struct string_list *changed = data; |
060df624 EN |
352 | |
353 | /* | |
354 | * Handle files below a directory first, in case they are all deleted | |
355 | * and the directory changes to a file or symlink. | |
356 | */ | |
9ed0d8d6 | 357 | QSORT(q->queue, q->nr, depth_first); |
060df624 | 358 | |
f2dc849e | 359 | for (i = 0; i < q->nr; i++) { |
ae7c5dce | 360 | struct diff_filespec *ospec = q->queue[i]->one; |
f2dc849e | 361 | struct diff_filespec *spec = q->queue[i]->two; |
ae7c5dce AG |
362 | |
363 | switch (q->queue[i]->status) { | |
364 | case DIFF_STATUS_DELETED: | |
6280dfdc JK |
365 | printf("D "); |
366 | print_path(spec->path); | |
b3e8ca89 | 367 | string_list_insert(changed, spec->path); |
6280dfdc | 368 | putchar('\n'); |
ae7c5dce AG |
369 | break; |
370 | ||
371 | case DIFF_STATUS_COPIED: | |
372 | case DIFF_STATUS_RENAMED: | |
b3e8ca89 JT |
373 | /* |
374 | * If a change in the file corresponding to ospec->path | |
375 | * has been observed, we cannot trust its contents | |
376 | * because the diff is calculated based on the prior | |
377 | * contents, not the current contents. So, declare a | |
378 | * copy or rename only if there was no change observed. | |
379 | */ | |
380 | if (!string_list_has_string(changed, ospec->path)) { | |
381 | printf("%c ", q->queue[i]->status); | |
382 | print_path(ospec->path); | |
383 | putchar(' '); | |
384 | print_path(spec->path); | |
385 | string_list_insert(changed, spec->path); | |
386 | putchar('\n'); | |
387 | ||
4a7e27e9 | 388 | if (oideq(&ospec->oid, &spec->oid) && |
b3e8ca89 JT |
389 | ospec->mode == spec->mode) |
390 | break; | |
391 | } | |
ae7c5dce AG |
392 | /* fallthrough */ |
393 | ||
394 | case DIFF_STATUS_TYPE_CHANGED: | |
395 | case DIFF_STATUS_MODIFIED: | |
396 | case DIFF_STATUS_ADDED: | |
03db4525 AG |
397 | /* |
398 | * Links refer to objects in another repositories; | |
399 | * output the SHA-1 verbatim. | |
400 | */ | |
79559f27 | 401 | if (no_data || S_ISGITLINK(spec->mode)) |
6280dfdc | 402 | printf("M %06o %s ", spec->mode, |
843b9e6d EN |
403 | oid_to_hex(anonymize ? |
404 | anonymize_oid(&spec->oid) : | |
405 | &spec->oid)); | |
03db4525 | 406 | else { |
5abddd1e SB |
407 | struct object *object = lookup_object(the_repository, |
408 | spec->oid.hash); | |
6280dfdc JK |
409 | printf("M %06o :%d ", spec->mode, |
410 | get_object_mark(object)); | |
03db4525 | 411 | } |
6280dfdc | 412 | print_path(spec->path); |
b3e8ca89 | 413 | string_list_insert(changed, spec->path); |
6280dfdc | 414 | putchar('\n'); |
ae7c5dce AG |
415 | break; |
416 | ||
417 | default: | |
418 | die("Unexpected comparison status '%c' for %s, %s", | |
419 | q->queue[i]->status, | |
420 | ospec->path ? ospec->path : "none", | |
421 | spec->path ? spec->path : "none"); | |
f2dc849e JS |
422 | } |
423 | } | |
424 | } | |
425 | ||
426 | static const char *find_encoding(const char *begin, const char *end) | |
427 | { | |
428 | const char *needle = "\nencoding "; | |
429 | char *bol, *eol; | |
430 | ||
431 | bol = memmem(begin, end ? end - begin : strlen(begin), | |
432 | needle, strlen(needle)); | |
433 | if (!bol) | |
434 | return git_commit_encoding; | |
435 | bol += strlen(needle); | |
436 | eol = strchrnul(bol, '\n'); | |
437 | *eol = '\0'; | |
438 | return bol; | |
439 | } | |
440 | ||
a8722750 JK |
441 | static void *anonymize_ref_component(const void *old, size_t *len) |
442 | { | |
443 | static int counter; | |
444 | struct strbuf out = STRBUF_INIT; | |
445 | strbuf_addf(&out, "ref%d", counter++); | |
446 | return strbuf_detach(&out, len); | |
447 | } | |
448 | ||
449 | static const char *anonymize_refname(const char *refname) | |
450 | { | |
451 | /* | |
452 | * If any of these prefixes is found, we will leave it intact | |
453 | * so that tags remain tags and so forth. | |
454 | */ | |
455 | static const char *prefixes[] = { | |
456 | "refs/heads/", | |
457 | "refs/tags/", | |
458 | "refs/remotes/", | |
459 | "refs/" | |
460 | }; | |
461 | static struct hashmap refs; | |
462 | static struct strbuf anon = STRBUF_INIT; | |
463 | int i; | |
464 | ||
465 | /* | |
466 | * We also leave "master" as a special case, since it does not reveal | |
467 | * anything interesting. | |
468 | */ | |
469 | if (!strcmp(refname, "refs/heads/master")) | |
470 | return refname; | |
471 | ||
472 | strbuf_reset(&anon); | |
473 | for (i = 0; i < ARRAY_SIZE(prefixes); i++) { | |
474 | if (skip_prefix(refname, prefixes[i], &refname)) { | |
475 | strbuf_addstr(&anon, prefixes[i]); | |
476 | break; | |
477 | } | |
478 | } | |
479 | ||
480 | anonymize_path(&anon, refname, &refs, anonymize_ref_component); | |
481 | return anon.buf; | |
482 | } | |
483 | ||
484 | /* | |
485 | * We do not even bother to cache commit messages, as they are unlikely | |
486 | * to be repeated verbatim, and it is not that interesting when they are. | |
487 | */ | |
488 | static char *anonymize_commit_message(const char *old) | |
489 | { | |
490 | static int counter; | |
491 | return xstrfmt("subject %d\n\nbody\n", counter++); | |
492 | } | |
493 | ||
494 | static struct hashmap idents; | |
495 | static void *anonymize_ident(const void *old, size_t *len) | |
496 | { | |
497 | static int counter; | |
498 | struct strbuf out = STRBUF_INIT; | |
499 | strbuf_addf(&out, "User %d <user%d@example.com>", counter, counter); | |
500 | counter++; | |
501 | return strbuf_detach(&out, len); | |
502 | } | |
503 | ||
504 | /* | |
505 | * Our strategy here is to anonymize the names and email addresses, | |
506 | * but keep timestamps intact, as they influence things like traversal | |
507 | * order (and by themselves should not be too revealing). | |
508 | */ | |
509 | static void anonymize_ident_line(const char **beg, const char **end) | |
510 | { | |
511 | static struct strbuf buffers[] = { STRBUF_INIT, STRBUF_INIT }; | |
512 | static unsigned which_buffer; | |
513 | ||
514 | struct strbuf *out; | |
515 | struct ident_split split; | |
516 | const char *end_of_header; | |
517 | ||
518 | out = &buffers[which_buffer++]; | |
519 | which_buffer %= ARRAY_SIZE(buffers); | |
520 | strbuf_reset(out); | |
521 | ||
522 | /* skip "committer", "author", "tagger", etc */ | |
523 | end_of_header = strchr(*beg, ' '); | |
524 | if (!end_of_header) | |
033abf97 | 525 | BUG("malformed line fed to anonymize_ident_line: %.*s", |
a8722750 JK |
526 | (int)(*end - *beg), *beg); |
527 | end_of_header++; | |
528 | strbuf_add(out, *beg, end_of_header - *beg); | |
529 | ||
530 | if (!split_ident_line(&split, end_of_header, *end - end_of_header) && | |
531 | split.date_begin) { | |
532 | const char *ident; | |
533 | size_t len; | |
534 | ||
535 | len = split.mail_end - split.name_begin; | |
536 | ident = anonymize_mem(&idents, anonymize_ident, | |
537 | split.name_begin, &len); | |
538 | strbuf_add(out, ident, len); | |
539 | strbuf_addch(out, ' '); | |
540 | strbuf_add(out, split.date_begin, split.tz_end - split.date_begin); | |
541 | } else { | |
542 | strbuf_addstr(out, "Malformed Ident <malformed@example.com> 0 -0000"); | |
543 | } | |
544 | ||
545 | *beg = out->buf; | |
546 | *end = out->buf + out->len; | |
547 | } | |
548 | ||
b3e8ca89 JT |
549 | static void handle_commit(struct commit *commit, struct rev_info *rev, |
550 | struct string_list *paths_of_changed_objects) | |
f2dc849e JS |
551 | { |
552 | int saved_output_format = rev->diffopt.output_format; | |
bc6b8fc1 | 553 | const char *commit_buffer; |
f2dc849e JS |
554 | const char *author, *author_end, *committer, *committer_end; |
555 | const char *encoding, *message; | |
556 | char *reencoded = NULL; | |
557 | struct commit_list *p; | |
a8722750 | 558 | const char *refname; |
f2dc849e JS |
559 | int i; |
560 | ||
561 | rev->diffopt.output_format = DIFF_FORMAT_CALLBACK; | |
562 | ||
683ff884 | 563 | parse_commit_or_die(commit); |
8597ea3a | 564 | commit_buffer = get_commit_buffer(commit, NULL); |
bc6b8fc1 | 565 | author = strstr(commit_buffer, "\nauthor "); |
f2dc849e | 566 | if (!author) |
1a07e59c NTND |
567 | die("could not find author in commit %s", |
568 | oid_to_hex(&commit->object.oid)); | |
f2dc849e JS |
569 | author++; |
570 | author_end = strchrnul(author, '\n'); | |
571 | committer = strstr(author_end, "\ncommitter "); | |
572 | if (!committer) | |
1a07e59c NTND |
573 | die("could not find committer in commit %s", |
574 | oid_to_hex(&commit->object.oid)); | |
f2dc849e JS |
575 | committer++; |
576 | committer_end = strchrnul(committer, '\n'); | |
577 | message = strstr(committer_end, "\n\n"); | |
578 | encoding = find_encoding(committer_end, message); | |
579 | if (message) | |
580 | message += 2; | |
581 | ||
ebeec7db | 582 | if (commit->parents && |
4087a02e EN |
583 | get_object_mark(&commit->parents->item->object) != 0 && |
584 | !full_tree) { | |
683ff884 | 585 | parse_commit_or_die(commit->parents->item); |
2e27bd77 DS |
586 | diff_tree_oid(get_commit_tree_oid(commit->parents->item), |
587 | get_commit_tree_oid(commit), "", &rev->diffopt); | |
f2dc849e JS |
588 | } |
589 | else | |
2e27bd77 | 590 | diff_root_tree_oid(get_commit_tree_oid(commit), |
7b8dea0c | 591 | "", &rev->diffopt); |
f2dc849e | 592 | |
03db4525 | 593 | /* Export the referenced blobs, and remember the marks. */ |
f2dc849e | 594 | for (i = 0; i < diff_queued_diff.nr; i++) |
03db4525 | 595 | if (!S_ISGITLINK(diff_queued_diff.queue[i]->two->mode)) |
273f8ee8 | 596 | export_blob(&diff_queued_diff.queue[i]->two->oid); |
f2dc849e | 597 | |
87be2523 | 598 | refname = *revision_sources_at(&revision_sources, commit); |
a8722750 JK |
599 | if (anonymize) { |
600 | refname = anonymize_refname(refname); | |
601 | anonymize_ident_line(&committer, &committer_end); | |
602 | anonymize_ident_line(&author, &author_end); | |
603 | } | |
604 | ||
df6a7ff7 | 605 | mark_next_object(&commit->object); |
a8722750 JK |
606 | if (anonymize) |
607 | reencoded = anonymize_commit_message(message); | |
608 | else if (!is_encoding_utf8(encoding)) | |
f2dc849e | 609 | reencoded = reencode_string(message, "UTF-8", encoding); |
d8933f01 | 610 | if (!commit->parents) |
a8722750 | 611 | printf("reset %s\n", refname); |
6e1c2344 | 612 | printf("commit %s\nmark :%"PRIu32"\n%.*s\n%.*s\ndata %u\n%s", |
a8722750 | 613 | refname, last_idnum, |
f2dc849e JS |
614 | (int)(author_end - author), author, |
615 | (int)(committer_end - committer), committer, | |
616 | (unsigned)(reencoded | |
617 | ? strlen(reencoded) : message | |
618 | ? strlen(message) : 0), | |
619 | reencoded ? reencoded : message ? message : ""); | |
8e0f7003 | 620 | free(reencoded); |
bc6b8fc1 | 621 | unuse_commit_buffer(commit, commit_buffer); |
f2dc849e JS |
622 | |
623 | for (i = 0, p = commit->parents; p; p = p->next) { | |
624 | int mark = get_object_mark(&p->item->object); | |
625 | if (!mark) | |
626 | continue; | |
627 | if (i == 0) | |
628 | printf("from :%d\n", mark); | |
f2dc849e | 629 | else |
5070b49e | 630 | printf("merge :%d\n", mark); |
f2dc849e JS |
631 | i++; |
632 | } | |
f2dc849e | 633 | |
4087a02e EN |
634 | if (full_tree) |
635 | printf("deleteall\n"); | |
f2dc849e | 636 | log_tree_diff_flush(rev); |
b3e8ca89 | 637 | string_list_clear(paths_of_changed_objects, 0); |
f2dc849e JS |
638 | rev->diffopt.output_format = saved_output_format; |
639 | ||
640 | printf("\n"); | |
641 | ||
642 | show_progress(); | |
643 | } | |
644 | ||
a8722750 JK |
645 | static void *anonymize_tag(const void *old, size_t *len) |
646 | { | |
647 | static int counter; | |
648 | struct strbuf out = STRBUF_INIT; | |
649 | strbuf_addf(&out, "tag message %d", counter++); | |
650 | return strbuf_detach(&out, len); | |
651 | } | |
652 | ||
b3e8ca89 JT |
653 | static void handle_tail(struct object_array *commits, struct rev_info *revs, |
654 | struct string_list *paths_of_changed_objects) | |
f2dc849e JS |
655 | { |
656 | struct commit *commit; | |
657 | while (commits->nr) { | |
71992039 | 658 | commit = (struct commit *)object_array_pop(commits); |
be011bbe MÅ |
659 | if (has_unshown_parent(commit)) { |
660 | /* Queue again, to be handled later */ | |
661 | add_object_array(&commit->object, NULL, commits); | |
f2dc849e | 662 | return; |
be011bbe | 663 | } |
b3e8ca89 | 664 | handle_commit(commit, revs, paths_of_changed_objects); |
f2dc849e JS |
665 | } |
666 | } | |
667 | ||
668 | static void handle_tag(const char *name, struct tag *tag) | |
669 | { | |
670 | unsigned long size; | |
671 | enum object_type type; | |
672 | char *buf; | |
673 | const char *tagger, *tagger_end, *message; | |
674 | size_t message_size = 0; | |
02c48cd6 | 675 | struct object *tagged; |
2d8ad469 EN |
676 | int tagged_mark; |
677 | struct commit *p; | |
02c48cd6 | 678 | |
98e023de | 679 | /* Trees have no identifier in fast-export output, thus we have no way |
02c48cd6 EN |
680 | * to output tags of trees, tags of tags of trees, etc. Simply omit |
681 | * such tags. | |
682 | */ | |
683 | tagged = tag->tagged; | |
684 | while (tagged->type == OBJ_TAG) { | |
685 | tagged = ((struct tag *)tagged)->tagged; | |
686 | } | |
687 | if (tagged->type == OBJ_TREE) { | |
688 | warning("Omitting tag %s,\nsince tags of trees (or tags of tags of trees, etc.) are not supported.", | |
f2fd0760 | 689 | oid_to_hex(&tag->object.oid)); |
02c48cd6 EN |
690 | return; |
691 | } | |
f2dc849e | 692 | |
b4f5aca4 | 693 | buf = read_object_file(&tag->object.oid, &type, &size); |
f2dc849e | 694 | if (!buf) |
1a07e59c | 695 | die("could not read tag %s", oid_to_hex(&tag->object.oid)); |
f2dc849e JS |
696 | message = memmem(buf, size, "\n\n", 2); |
697 | if (message) { | |
698 | message += 2; | |
699 | message_size = strlen(message); | |
700 | } | |
701 | tagger = memmem(buf, message ? message - buf : size, "\ntagger ", 8); | |
4e46a8d6 JS |
702 | if (!tagger) { |
703 | if (fake_missing_tagger) | |
704 | tagger = "tagger Unspecified Tagger " | |
705 | "<unspecified-tagger> 0 +0000"; | |
706 | else | |
707 | tagger = ""; | |
708 | tagger_end = tagger + strlen(tagger); | |
709 | } else { | |
710 | tagger++; | |
711 | tagger_end = strchrnul(tagger, '\n'); | |
a8722750 JK |
712 | if (anonymize) |
713 | anonymize_ident_line(&tagger, &tagger_end); | |
714 | } | |
715 | ||
716 | if (anonymize) { | |
717 | name = anonymize_refname(name); | |
718 | if (message) { | |
719 | static struct hashmap tags; | |
720 | message = anonymize_mem(&tags, anonymize_tag, | |
721 | message, &message_size); | |
722 | } | |
4e46a8d6 | 723 | } |
f2dc849e JS |
724 | |
725 | /* handle signed tags */ | |
726 | if (message) { | |
727 | const char *signature = strstr(message, | |
728 | "\n-----BEGIN PGP SIGNATURE-----\n"); | |
729 | if (signature) | |
730 | switch(signed_tag_mode) { | |
b93b81e7 | 731 | case SIGNED_TAG_ABORT: |
1a07e59c NTND |
732 | die("encountered signed tag %s; use " |
733 | "--signed-tags=<mode> to handle it", | |
734 | oid_to_hex(&tag->object.oid)); | |
f2dc849e | 735 | case WARN: |
1a07e59c NTND |
736 | warning("exporting signed tag %s", |
737 | oid_to_hex(&tag->object.oid)); | |
f2dc849e | 738 | /* fallthru */ |
ee4bc371 | 739 | case VERBATIM: |
f2dc849e | 740 | break; |
cd16c59b | 741 | case WARN_STRIP: |
1a07e59c NTND |
742 | warning("stripping signature from tag %s", |
743 | oid_to_hex(&tag->object.oid)); | |
cd16c59b | 744 | /* fallthru */ |
f2dc849e JS |
745 | case STRIP: |
746 | message_size = signature + 1 - message; | |
747 | break; | |
748 | } | |
749 | } | |
750 | ||
2d8ad469 EN |
751 | /* handle tag->tagged having been filtered out due to paths specified */ |
752 | tagged = tag->tagged; | |
753 | tagged_mark = get_object_mark(tagged); | |
754 | if (!tagged_mark) { | |
755 | switch(tag_of_filtered_mode) { | |
b93b81e7 | 756 | case TAG_FILTERING_ABORT: |
1a07e59c NTND |
757 | die("tag %s tags unexported object; use " |
758 | "--tag-of-filtered-object=<mode> to handle it", | |
759 | oid_to_hex(&tag->object.oid)); | |
2d8ad469 EN |
760 | case DROP: |
761 | /* Ignore this tag altogether */ | |
1efb1e9a | 762 | free(buf); |
2d8ad469 EN |
763 | return; |
764 | case REWRITE: | |
765 | if (tagged->type != OBJ_COMMIT) { | |
1a07e59c NTND |
766 | die("tag %s tags unexported %s!", |
767 | oid_to_hex(&tag->object.oid), | |
768 | type_name(tagged->type)); | |
2d8ad469 EN |
769 | } |
770 | p = (struct commit *)tagged; | |
771 | for (;;) { | |
772 | if (p->parents && p->parents->next) | |
773 | break; | |
774 | if (p->object.flags & UNINTERESTING) | |
775 | break; | |
776 | if (!(p->object.flags & TREESAME)) | |
777 | break; | |
1f30c904 EN |
778 | if (!p->parents) { |
779 | printf("reset %s\nfrom %s\n\n", | |
780 | name, oid_to_hex(&null_oid)); | |
781 | free(buf); | |
782 | return; | |
783 | } | |
2d8ad469 EN |
784 | p = p->parents->item; |
785 | } | |
786 | tagged_mark = get_object_mark(&p->object); | |
787 | } | |
788 | } | |
789 | ||
59556548 | 790 | if (starts_with(name, "refs/tags/")) |
f2dc849e | 791 | name += 10; |
4e46a8d6 | 792 | printf("tag %s\nfrom :%d\n%.*s%sdata %d\n%.*s\n", |
2d8ad469 | 793 | name, tagged_mark, |
f2dc849e | 794 | (int)(tagger_end - tagger), tagger, |
4e46a8d6 | 795 | tagger == tagger_end ? "" : "\n", |
f2dc849e | 796 | (int)message_size, (int)message_size, message ? message : ""); |
1efb1e9a | 797 | free(buf); |
f2dc849e JS |
798 | } |
799 | ||
3e9b9cb1 FC |
800 | static struct commit *get_commit(struct rev_cmdline_entry *e, char *full_name) |
801 | { | |
802 | switch (e->item->type) { | |
803 | case OBJ_COMMIT: | |
804 | return (struct commit *)e->item; | |
805 | case OBJ_TAG: { | |
806 | struct tag *tag = (struct tag *)e->item; | |
807 | ||
808 | /* handle nested tags */ | |
809 | while (tag && tag->object.type == OBJ_TAG) { | |
109cd76d | 810 | parse_object(the_repository, &tag->object.oid); |
3e9b9cb1 FC |
811 | string_list_append(&extra_refs, full_name)->util = tag; |
812 | tag = (struct tag *)tag->tagged; | |
813 | } | |
814 | if (!tag) | |
815 | die("Tag %s points nowhere?", e->name); | |
816 | return (struct commit *)tag; | |
817 | break; | |
818 | } | |
819 | default: | |
820 | return NULL; | |
821 | } | |
822 | } | |
823 | ||
1d844ee7 | 824 | static void get_tags_and_duplicates(struct rev_cmdline_info *info) |
f2dc849e | 825 | { |
f2dc849e JS |
826 | int i; |
827 | ||
49266e8a FC |
828 | for (i = 0; i < info->nr; i++) { |
829 | struct rev_cmdline_entry *e = info->rev + i; | |
273f8ee8 | 830 | struct object_id oid; |
2d242de4 | 831 | struct commit *commit; |
f2dc849e JS |
832 | char *full_name; |
833 | ||
49266e8a FC |
834 | if (e->flags & UNINTERESTING) |
835 | continue; | |
836 | ||
cca5fa64 | 837 | if (dwim_ref(e->name, strlen(e->name), &oid, &full_name) != 1) |
f2dc849e JS |
838 | continue; |
839 | ||
16eefc8e | 840 | if (refspecs.nr) { |
03e9010c | 841 | char *private; |
d000414e | 842 | private = apply_refspecs(&refspecs, full_name); |
03e9010c FC |
843 | if (private) { |
844 | free(full_name); | |
845 | full_name = private; | |
846 | } | |
847 | } | |
848 | ||
3e9b9cb1 FC |
849 | commit = get_commit(e, full_name); |
850 | if (!commit) { | |
2d07f6d4 EFL |
851 | warning("%s: Unexpected object of type %s, skipping.", |
852 | e->name, | |
debca9d2 | 853 | type_name(e->item->type)); |
2d07f6d4 | 854 | continue; |
f2dc849e | 855 | } |
f28e7c90 | 856 | |
3e9b9cb1 FC |
857 | switch(commit->object.type) { |
858 | case OBJ_COMMIT: | |
859 | break; | |
860 | case OBJ_BLOB: | |
273f8ee8 | 861 | export_blob(&commit->object.oid); |
3e9b9cb1 FC |
862 | continue; |
863 | default: /* OBJ_TAG (nested tags) is already handled */ | |
864 | warning("Tag points to object of unexpected type %s, skipping.", | |
debca9d2 | 865 | type_name(commit->object.type)); |
3e9b9cb1 FC |
866 | continue; |
867 | } | |
868 | ||
f28e7c90 FC |
869 | /* |
870 | * This ref will not be updated through a commit, lets make | |
871 | * sure it gets properly updated eventually. | |
872 | */ | |
87be2523 NTND |
873 | if (*revision_sources_at(&revision_sources, commit) || |
874 | commit->object.flags & SHOWN) | |
1d844ee7 | 875 | string_list_append(&extra_refs, full_name)->util = commit; |
87be2523 NTND |
876 | if (!*revision_sources_at(&revision_sources, commit)) |
877 | *revision_sources_at(&revision_sources, commit) = full_name; | |
f2dc849e JS |
878 | } |
879 | } | |
880 | ||
1d844ee7 | 881 | static void handle_tags_and_duplicates(void) |
f2dc849e JS |
882 | { |
883 | struct commit *commit; | |
884 | int i; | |
885 | ||
1d844ee7 FC |
886 | for (i = extra_refs.nr - 1; i >= 0; i--) { |
887 | const char *name = extra_refs.items[i].string; | |
888 | struct object *object = extra_refs.items[i].util; | |
f2dc849e JS |
889 | switch (object->type) { |
890 | case OBJ_TAG: | |
891 | handle_tag(name, (struct tag *)object); | |
892 | break; | |
893 | case OBJ_COMMIT: | |
a8722750 JK |
894 | if (anonymize) |
895 | name = anonymize_refname(name); | |
f2dc849e JS |
896 | /* create refs pointing to already seen commits */ |
897 | commit = (struct commit *)object; | |
898 | printf("reset %s\nfrom :%d\n\n", name, | |
899 | get_object_mark(&commit->object)); | |
900 | show_progress(); | |
901 | break; | |
902 | } | |
903 | } | |
904 | } | |
905 | ||
df6a7ff7 PB |
906 | static void export_marks(char *file) |
907 | { | |
908 | unsigned int i; | |
909 | uint32_t mark; | |
ddd3e312 | 910 | struct decoration_entry *deco = idnums.entries; |
df6a7ff7 | 911 | FILE *f; |
96d69b55 | 912 | int e = 0; |
df6a7ff7 | 913 | |
ea56518d | 914 | f = fopen_for_writing(file); |
df6a7ff7 | 915 | if (!f) |
bb6ad28c | 916 | die_errno("Unable to open marks file %s for writing.", file); |
df6a7ff7 | 917 | |
69913575 JH |
918 | for (i = 0; i < idnums.size; i++) { |
919 | if (deco->base && deco->base->type == 1) { | |
df6a7ff7 | 920 | mark = ptr_to_mark(deco->decoration); |
96d69b55 | 921 | if (fprintf(f, ":%"PRIu32" %s\n", mark, |
f2fd0760 | 922 | oid_to_hex(&deco->base->oid)) < 0) { |
96d69b55 MA |
923 | e = 1; |
924 | break; | |
925 | } | |
df6a7ff7 | 926 | } |
69913575 | 927 | deco++; |
df6a7ff7 PB |
928 | } |
929 | ||
96d69b55 MA |
930 | e |= ferror(f); |
931 | e |= fclose(f); | |
932 | if (e) | |
df6a7ff7 PB |
933 | error("Unable to write marks file %s.", file); |
934 | } | |
935 | ||
69913575 | 936 | static void import_marks(char *input_file) |
df6a7ff7 PB |
937 | { |
938 | char line[512]; | |
23a9e071 | 939 | FILE *f = xfopen(input_file, "r"); |
df6a7ff7 PB |
940 | |
941 | while (fgets(line, sizeof(line), f)) { | |
942 | uint32_t mark; | |
943 | char *line_end, *mark_end; | |
273f8ee8 | 944 | struct object_id oid; |
df6a7ff7 | 945 | struct object *object; |
47bd9bf8 | 946 | struct commit *commit; |
e6812cfa | 947 | enum object_type type; |
df6a7ff7 PB |
948 | |
949 | line_end = strchr(line, '\n'); | |
950 | if (line[0] != ':' || !line_end) | |
951 | die("corrupt mark line: %s", line); | |
69913575 | 952 | *line_end = '\0'; |
df6a7ff7 PB |
953 | |
954 | mark = strtoumax(line + 1, &mark_end, 10); | |
955 | if (!mark || mark_end == line + 1 | |
273f8ee8 | 956 | || *mark_end != ' ' || get_oid_hex(mark_end + 1, &oid)) |
df6a7ff7 PB |
957 | die("corrupt mark line: %s", line); |
958 | ||
c4458ecd AP |
959 | if (last_idnum < mark) |
960 | last_idnum = mark; | |
961 | ||
0df8e965 | 962 | type = oid_object_info(the_repository, &oid, NULL); |
e6812cfa | 963 | if (type < 0) |
273f8ee8 | 964 | die("object not found: %s", oid_to_hex(&oid)); |
e6812cfa FC |
965 | |
966 | if (type != OBJ_COMMIT) | |
967 | /* only commits */ | |
c4458ecd | 968 | continue; |
df6a7ff7 | 969 | |
c1f5eb49 | 970 | commit = lookup_commit(the_repository, &oid); |
47bd9bf8 | 971 | if (!commit) |
273f8ee8 | 972 | die("not a commit? can't happen: %s", oid_to_hex(&oid)); |
47bd9bf8 FC |
973 | |
974 | object = &commit->object; | |
e6812cfa | 975 | |
df6a7ff7 | 976 | if (object->flags & SHOWN) |
273f8ee8 | 977 | error("Object %s already has a mark", oid_to_hex(&oid)); |
df6a7ff7 PB |
978 | |
979 | mark_object(object, mark); | |
df6a7ff7 PB |
980 | |
981 | object->flags |= SHOWN; | |
982 | } | |
983 | fclose(f); | |
984 | } | |
985 | ||
60ed2643 FC |
986 | static void handle_deletes(void) |
987 | { | |
988 | int i; | |
16eefc8e BW |
989 | for (i = 0; i < refspecs.nr; i++) { |
990 | struct refspec_item *refspec = &refspecs.items[i]; | |
60ed2643 FC |
991 | if (*refspec->src) |
992 | continue; | |
993 | ||
994 | printf("reset %s\nfrom %s\n\n", | |
843b9e6d | 995 | refspec->dst, oid_to_hex(&null_oid)); |
60ed2643 FC |
996 | } |
997 | } | |
998 | ||
f2dc849e JS |
999 | int cmd_fast_export(int argc, const char **argv, const char *prefix) |
1000 | { | |
1001 | struct rev_info revs; | |
3cd47459 | 1002 | struct object_array commits = OBJECT_ARRAY_INIT; |
f2dc849e | 1003 | struct commit *commit; |
df6a7ff7 | 1004 | char *export_filename = NULL, *import_filename = NULL; |
c4458ecd | 1005 | uint32_t lastimportid; |
03e9010c | 1006 | struct string_list refspecs_list = STRING_LIST_INIT_NODUP; |
b3e8ca89 | 1007 | struct string_list paths_of_changed_objects = STRING_LIST_INIT_DUP; |
f2dc849e JS |
1008 | struct option options[] = { |
1009 | OPT_INTEGER(0, "progress", &progress, | |
3b787b96 NTND |
1010 | N_("show progress after <n> objects")), |
1011 | OPT_CALLBACK(0, "signed-tags", &signed_tag_mode, N_("mode"), | |
1012 | N_("select handling of signed tags"), | |
f2dc849e | 1013 | parse_opt_signed_tag_mode), |
3b787b96 NTND |
1014 | OPT_CALLBACK(0, "tag-of-filtered-object", &tag_of_filtered_mode, N_("mode"), |
1015 | N_("select handling of tags that tag filtered objects"), | |
2d8ad469 | 1016 | parse_opt_tag_of_filtered_mode), |
3b787b96 NTND |
1017 | OPT_STRING(0, "export-marks", &export_filename, N_("file"), |
1018 | N_("Dump marks to this file")), | |
1019 | OPT_STRING(0, "import-marks", &import_filename, N_("file"), | |
1020 | N_("Import marks from this file")), | |
d5d09d47 SB |
1021 | OPT_BOOL(0, "fake-missing-tagger", &fake_missing_tagger, |
1022 | N_("Fake a tagger when tags lack one")), | |
1023 | OPT_BOOL(0, "full-tree", &full_tree, | |
1024 | N_("Output full tree for each commit")), | |
1025 | OPT_BOOL(0, "use-done-feature", &use_done_feature, | |
3b787b96 NTND |
1026 | N_("Use the done feature to terminate the stream")), |
1027 | OPT_BOOL(0, "no-data", &no_data, N_("Skip output of blob data")), | |
03e9010c FC |
1028 | OPT_STRING_LIST(0, "refspec", &refspecs_list, N_("refspec"), |
1029 | N_("Apply refspec to exported refs")), | |
a8722750 | 1030 | OPT_BOOL(0, "anonymize", &anonymize, N_("anonymize output")), |
f2dc849e JS |
1031 | OPT_END() |
1032 | }; | |
1033 | ||
dcfdbdf0 MV |
1034 | if (argc == 1) |
1035 | usage_with_options (fast_export_usage, options); | |
1036 | ||
f2dc849e | 1037 | /* we handle encodings */ |
ef90d6d4 | 1038 | git_config(git_default_config, NULL); |
f2dc849e | 1039 | |
2abf3503 | 1040 | repo_init_revisions(the_repository, &revs, prefix); |
87be2523 | 1041 | init_revision_sources(&revision_sources); |
668f3aa7 | 1042 | revs.topo_order = 1; |
87be2523 | 1043 | revs.sources = &revision_sources; |
32164131 | 1044 | revs.rewrite_parents = 1; |
8b2f86a7 FC |
1045 | argc = parse_options(argc, argv, prefix, options, fast_export_usage, |
1046 | PARSE_OPT_KEEP_ARGV0 | PARSE_OPT_KEEP_UNKNOWN); | |
f2dc849e | 1047 | argc = setup_revisions(argc, argv, &revs, NULL); |
f2dc849e JS |
1048 | if (argc > 1) |
1049 | usage_with_options (fast_export_usage, options); | |
1050 | ||
03e9010c | 1051 | if (refspecs_list.nr) { |
03e9010c FC |
1052 | int i; |
1053 | ||
03e9010c | 1054 | for (i = 0; i < refspecs_list.nr; i++) |
16eefc8e | 1055 | refspec_append(&refspecs, refspecs_list.items[i].string); |
03e9010c FC |
1056 | |
1057 | string_list_clear(&refspecs_list, 1); | |
03e9010c FC |
1058 | } |
1059 | ||
82670a5c SR |
1060 | if (use_done_feature) |
1061 | printf("feature done\n"); | |
1062 | ||
df6a7ff7 PB |
1063 | if (import_filename) |
1064 | import_marks(import_filename); | |
c4458ecd | 1065 | lastimportid = last_idnum; |
df6a7ff7 | 1066 | |
afe069d1 | 1067 | if (import_filename && revs.prune_data.nr) |
4087a02e EN |
1068 | full_tree = 1; |
1069 | ||
1d844ee7 | 1070 | get_tags_and_duplicates(&revs.cmdline); |
f2dc849e | 1071 | |
3d51e1b5 MK |
1072 | if (prepare_revision_walk(&revs)) |
1073 | die("revision walk setup failed"); | |
f2dc849e | 1074 | revs.diffopt.format_callback = show_filemodify; |
b3e8ca89 | 1075 | revs.diffopt.format_callback_data = &paths_of_changed_objects; |
0d1e0e78 | 1076 | revs.diffopt.flags.recursive = 1; |
f2dc849e JS |
1077 | while ((commit = get_revision(&revs))) { |
1078 | if (has_unshown_parent(commit)) { | |
f2dc849e | 1079 | add_object_array(&commit->object, NULL, &commits); |
f2dc849e JS |
1080 | } |
1081 | else { | |
b3e8ca89 JT |
1082 | handle_commit(commit, &revs, &paths_of_changed_objects); |
1083 | handle_tail(&commits, &revs, &paths_of_changed_objects); | |
f2dc849e JS |
1084 | } |
1085 | } | |
1086 | ||
1d844ee7 | 1087 | handle_tags_and_duplicates(); |
60ed2643 | 1088 | handle_deletes(); |
f2dc849e | 1089 | |
c4458ecd | 1090 | if (export_filename && lastimportid != last_idnum) |
df6a7ff7 PB |
1091 | export_marks(export_filename); |
1092 | ||
82670a5c SR |
1093 | if (use_done_feature) |
1094 | printf("done\n"); | |
1095 | ||
16eefc8e | 1096 | refspec_clear(&refspecs); |
03e9010c | 1097 | |
f2dc849e JS |
1098 | return 0; |
1099 | } |