]>
Commit | Line | Data |
---|---|---|
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; |
530ca19c | 40 | static int reference_excluded_commits; |
a965bb31 | 41 | static int show_original_ids; |
1d844ee7 | 42 | static struct string_list extra_refs = STRING_LIST_INIT_NODUP; |
fdf31b63 | 43 | static struct string_list tag_refs = STRING_LIST_INIT_NODUP; |
16eefc8e | 44 | static struct refspec refspecs = REFSPEC_INIT_FETCH; |
a8722750 | 45 | static int anonymize; |
87be2523 | 46 | static struct revision_sources revision_sources; |
f2dc849e JS |
47 | |
48 | static int parse_opt_signed_tag_mode(const struct option *opt, | |
49 | const char *arg, int unset) | |
50 | { | |
51 | if (unset || !strcmp(arg, "abort")) | |
b93b81e7 | 52 | signed_tag_mode = SIGNED_TAG_ABORT; |
ee4bc371 JS |
53 | else if (!strcmp(arg, "verbatim") || !strcmp(arg, "ignore")) |
54 | signed_tag_mode = VERBATIM; | |
f2dc849e JS |
55 | else if (!strcmp(arg, "warn")) |
56 | signed_tag_mode = WARN; | |
cd16c59b JK |
57 | else if (!strcmp(arg, "warn-strip")) |
58 | signed_tag_mode = WARN_STRIP; | |
f2dc849e JS |
59 | else if (!strcmp(arg, "strip")) |
60 | signed_tag_mode = STRIP; | |
61 | else | |
04a74b6c | 62 | return error("Unknown signed-tags mode: %s", arg); |
f2dc849e JS |
63 | return 0; |
64 | } | |
65 | ||
2d8ad469 EN |
66 | static int parse_opt_tag_of_filtered_mode(const struct option *opt, |
67 | const char *arg, int unset) | |
68 | { | |
69 | if (unset || !strcmp(arg, "abort")) | |
b93b81e7 | 70 | tag_of_filtered_mode = TAG_FILTERING_ABORT; |
2d8ad469 EN |
71 | else if (!strcmp(arg, "drop")) |
72 | tag_of_filtered_mode = DROP; | |
73 | else if (!strcmp(arg, "rewrite")) | |
74 | tag_of_filtered_mode = REWRITE; | |
75 | else | |
76 | return error("Unknown tag-of-filtered mode: %s", arg); | |
77 | return 0; | |
78 | } | |
79 | ||
f2dc849e JS |
80 | static struct decoration idnums; |
81 | static uint32_t last_idnum; | |
82 | ||
83 | static int has_unshown_parent(struct commit *commit) | |
84 | { | |
85 | struct commit_list *parent; | |
86 | ||
87 | for (parent = commit->parents; parent; parent = parent->next) | |
88 | if (!(parent->item->object.flags & SHOWN) && | |
89 | !(parent->item->object.flags & UNINTERESTING)) | |
90 | return 1; | |
91 | return 0; | |
92 | } | |
93 | ||
a8722750 JK |
94 | struct anonymized_entry { |
95 | struct hashmap_entry hash; | |
96 | const char *orig; | |
97 | size_t orig_len; | |
98 | const char *anon; | |
99 | size_t anon_len; | |
100 | }; | |
101 | ||
7663cdc8 SB |
102 | static int anonymized_entry_cmp(const void *unused_cmp_data, |
103 | const void *va, const void *vb, | |
104 | const void *unused_keydata) | |
a8722750 JK |
105 | { |
106 | const struct anonymized_entry *a = va, *b = vb; | |
107 | return a->orig_len != b->orig_len || | |
108 | memcmp(a->orig, b->orig, a->orig_len); | |
109 | } | |
110 | ||
111 | /* | |
112 | * Basically keep a cache of X->Y so that we can repeatedly replace | |
113 | * the same anonymized string with another. The actual generation | |
114 | * is farmed out to the generate function. | |
115 | */ | |
116 | static const void *anonymize_mem(struct hashmap *map, | |
117 | void *(*generate)(const void *, size_t *), | |
118 | const void *orig, size_t *len) | |
119 | { | |
120 | struct anonymized_entry key, *ret; | |
121 | ||
122 | if (!map->cmpfn) | |
7663cdc8 | 123 | hashmap_init(map, anonymized_entry_cmp, NULL, 0); |
a8722750 JK |
124 | |
125 | hashmap_entry_init(&key, memhash(orig, *len)); | |
126 | key.orig = orig; | |
127 | key.orig_len = *len; | |
128 | ret = hashmap_get(map, &key, NULL); | |
129 | ||
130 | if (!ret) { | |
131 | ret = xmalloc(sizeof(*ret)); | |
132 | hashmap_entry_init(&ret->hash, key.hash.hash); | |
133 | ret->orig = xstrdup(orig); | |
134 | ret->orig_len = *len; | |
135 | ret->anon = generate(orig, len); | |
136 | ret->anon_len = *len; | |
137 | hashmap_put(map, ret); | |
138 | } | |
139 | ||
140 | *len = ret->anon_len; | |
141 | return ret->anon; | |
142 | } | |
143 | ||
144 | /* | |
145 | * We anonymize each component of a path individually, | |
146 | * so that paths a/b and a/c will share a common root. | |
147 | * The paths are cached via anonymize_mem so that repeated | |
148 | * lookups for "a" will yield the same value. | |
149 | */ | |
150 | static void anonymize_path(struct strbuf *out, const char *path, | |
151 | struct hashmap *map, | |
152 | void *(*generate)(const void *, size_t *)) | |
153 | { | |
154 | while (*path) { | |
155 | const char *end_of_component = strchrnul(path, '/'); | |
156 | size_t len = end_of_component - path; | |
157 | const char *c = anonymize_mem(map, generate, path, &len); | |
158 | strbuf_add(out, c, len); | |
159 | path = end_of_component; | |
160 | if (*path) | |
161 | strbuf_addch(out, *path++); | |
162 | } | |
163 | } | |
164 | ||
c112084a | 165 | static inline void *mark_to_ptr(uint32_t mark) |
f2dc849e | 166 | { |
c112084a | 167 | return (void *)(uintptr_t)mark; |
df6a7ff7 PB |
168 | } |
169 | ||
170 | static inline uint32_t ptr_to_mark(void * mark) | |
171 | { | |
c112084a | 172 | return (uint32_t)(uintptr_t)mark; |
df6a7ff7 PB |
173 | } |
174 | ||
175 | static inline void mark_object(struct object *object, uint32_t mark) | |
176 | { | |
177 | add_decoration(&idnums, object, mark_to_ptr(mark)); | |
178 | } | |
179 | ||
180 | static inline void mark_next_object(struct object *object) | |
181 | { | |
182 | mark_object(object, ++last_idnum); | |
f2dc849e JS |
183 | } |
184 | ||
185 | static int get_object_mark(struct object *object) | |
186 | { | |
187 | void *decoration = lookup_decoration(&idnums, object); | |
188 | if (!decoration) | |
189 | return 0; | |
df6a7ff7 | 190 | return ptr_to_mark(decoration); |
f2dc849e JS |
191 | } |
192 | ||
f129c427 EN |
193 | static struct commit *rewrite_commit(struct commit *p) |
194 | { | |
195 | for (;;) { | |
196 | if (p->parents && p->parents->next) | |
197 | break; | |
198 | if (p->object.flags & UNINTERESTING) | |
199 | break; | |
200 | if (!(p->object.flags & TREESAME)) | |
201 | break; | |
202 | if (!p->parents) | |
203 | return NULL; | |
204 | p = p->parents->item; | |
205 | } | |
206 | return p; | |
207 | } | |
208 | ||
f2dc849e JS |
209 | static void show_progress(void) |
210 | { | |
211 | static int counter = 0; | |
212 | if (!progress) | |
213 | return; | |
214 | if ((++counter % progress) == 0) | |
215 | printf("progress %d objects\n", counter); | |
216 | } | |
217 | ||
a8722750 JK |
218 | /* |
219 | * Ideally we would want some transformation of the blob data here | |
220 | * that is unreversible, but would still be the same size and have | |
221 | * the same data relationship to other blobs (so that we get the same | |
222 | * delta and packing behavior as the original). But the first and last | |
223 | * requirements there are probably mutually exclusive, so let's take | |
224 | * the easy way out for now, and just generate arbitrary content. | |
225 | * | |
226 | * There's no need to cache this result with anonymize_mem, since | |
227 | * we already handle blob content caching with marks. | |
228 | */ | |
229 | static char *anonymize_blob(unsigned long *size) | |
230 | { | |
231 | static int counter; | |
232 | struct strbuf out = STRBUF_INIT; | |
233 | strbuf_addf(&out, "anonymous blob %d", counter++); | |
234 | *size = out.len; | |
235 | return strbuf_detach(&out, NULL); | |
236 | } | |
237 | ||
273f8ee8 | 238 | static void export_blob(const struct object_id *oid) |
f2dc849e JS |
239 | { |
240 | unsigned long size; | |
241 | enum object_type type; | |
242 | char *buf; | |
243 | struct object *object; | |
30b939c3 | 244 | int eaten; |
f2dc849e | 245 | |
79559f27 GI |
246 | if (no_data) |
247 | return; | |
248 | ||
273f8ee8 | 249 | if (is_null_oid(oid)) |
f2dc849e JS |
250 | return; |
251 | ||
5abddd1e | 252 | object = lookup_object(the_repository, oid->hash); |
30b939c3 | 253 | if (object && object->flags & SHOWN) |
f2dc849e JS |
254 | return; |
255 | ||
a8722750 JK |
256 | if (anonymize) { |
257 | buf = anonymize_blob(&size); | |
da14a7ff | 258 | object = (struct object *)lookup_blob(the_repository, oid); |
a8722750 JK |
259 | eaten = 0; |
260 | } else { | |
b4f5aca4 | 261 | buf = read_object_file(oid, &type, &size); |
a8722750 | 262 | if (!buf) |
1a07e59c | 263 | die("could not read blob %s", oid_to_hex(oid)); |
17e65451 | 264 | if (check_object_signature(oid, buf, size, type_name(type)) < 0) |
843b9e6d | 265 | die("oid mismatch in blob %s", oid_to_hex(oid)); |
1ec5bfd2 SB |
266 | object = parse_object_buffer(the_repository, oid, type, |
267 | size, buf, &eaten); | |
a8722750 JK |
268 | } |
269 | ||
30b939c3 | 270 | if (!object) |
273f8ee8 | 271 | die("Could not read blob %s", oid_to_hex(oid)); |
f2dc849e | 272 | |
df6a7ff7 | 273 | mark_next_object(object); |
f2dc849e | 274 | |
a965bb31 EN |
275 | printf("blob\nmark :%"PRIu32"\n", last_idnum); |
276 | if (show_original_ids) | |
277 | printf("original-oid %s\n", oid_to_hex(oid)); | |
4d597532 | 278 | printf("data %"PRIuMAX"\n", (uintmax_t)size); |
b0fe0d72 | 279 | if (size && fwrite(buf, size, 1, stdout) != 1) |
1a07e59c | 280 | die_errno("could not write blob '%s'", oid_to_hex(oid)); |
f2dc849e JS |
281 | printf("\n"); |
282 | ||
283 | show_progress(); | |
284 | ||
285 | object->flags |= SHOWN; | |
30b939c3 JK |
286 | if (!eaten) |
287 | free(buf); | |
f2dc849e JS |
288 | } |
289 | ||
060df624 EN |
290 | static int depth_first(const void *a_, const void *b_) |
291 | { | |
292 | const struct diff_filepair *a = *((const struct diff_filepair **)a_); | |
293 | const struct diff_filepair *b = *((const struct diff_filepair **)b_); | |
294 | const char *name_a, *name_b; | |
295 | int len_a, len_b, len; | |
296 | int cmp; | |
297 | ||
298 | name_a = a->one ? a->one->path : a->two->path; | |
299 | name_b = b->one ? b->one->path : b->two->path; | |
300 | ||
301 | len_a = strlen(name_a); | |
302 | len_b = strlen(name_b); | |
303 | len = (len_a < len_b) ? len_a : len_b; | |
304 | ||
305 | /* strcmp will sort 'd' before 'd/e', we want 'd/e' before 'd' */ | |
306 | cmp = memcmp(name_a, name_b, len); | |
307 | if (cmp) | |
308 | return cmp; | |
4ce6fb80 JS |
309 | cmp = len_b - len_a; |
310 | if (cmp) | |
311 | return cmp; | |
312 | /* | |
313 | * Move 'R'ename entries last so that all references of the file | |
314 | * appear in the output before it is renamed (e.g., when a file | |
315 | * was copied and renamed in the same commit). | |
316 | */ | |
317 | return (a->status == 'R') - (b->status == 'R'); | |
060df624 EN |
318 | } |
319 | ||
a8722750 | 320 | static void print_path_1(const char *path) |
6280dfdc JK |
321 | { |
322 | int need_quote = quote_c_style(path, NULL, NULL, 0); | |
323 | if (need_quote) | |
324 | quote_c_style(path, NULL, stdout, 0); | |
ff59f6da JS |
325 | else if (strchr(path, ' ')) |
326 | printf("\"%s\"", path); | |
6280dfdc JK |
327 | else |
328 | printf("%s", path); | |
329 | } | |
330 | ||
a8722750 JK |
331 | static void *anonymize_path_component(const void *path, size_t *len) |
332 | { | |
333 | static int counter; | |
334 | struct strbuf out = STRBUF_INIT; | |
335 | strbuf_addf(&out, "path%d", counter++); | |
336 | return strbuf_detach(&out, len); | |
337 | } | |
338 | ||
339 | static void print_path(const char *path) | |
340 | { | |
341 | if (!anonymize) | |
342 | print_path_1(path); | |
343 | else { | |
344 | static struct hashmap paths; | |
345 | static struct strbuf anon = STRBUF_INIT; | |
346 | ||
347 | anonymize_path(&anon, path, &paths, anonymize_path_component); | |
348 | print_path_1(anon.buf); | |
349 | strbuf_reset(&anon); | |
350 | } | |
351 | } | |
352 | ||
273f8ee8 | 353 | static void *generate_fake_oid(const void *old, size_t *len) |
a8722750 | 354 | { |
843b9e6d EN |
355 | static uint32_t counter = 1; /* avoid null oid */ |
356 | const unsigned hashsz = the_hash_algo->rawsz; | |
357 | unsigned char *out = xcalloc(hashsz, 1); | |
358 | put_be32(out + hashsz - 4, counter++); | |
a8722750 JK |
359 | return out; |
360 | } | |
361 | ||
843b9e6d | 362 | static const struct object_id *anonymize_oid(const struct object_id *oid) |
a8722750 | 363 | { |
843b9e6d EN |
364 | static struct hashmap objs; |
365 | size_t len = the_hash_algo->rawsz; | |
366 | return anonymize_mem(&objs, generate_fake_oid, oid, &len); | |
a8722750 JK |
367 | } |
368 | ||
f2dc849e JS |
369 | static void show_filemodify(struct diff_queue_struct *q, |
370 | struct diff_options *options, void *data) | |
371 | { | |
372 | int i; | |
b3e8ca89 | 373 | struct string_list *changed = data; |
060df624 EN |
374 | |
375 | /* | |
376 | * Handle files below a directory first, in case they are all deleted | |
377 | * and the directory changes to a file or symlink. | |
378 | */ | |
9ed0d8d6 | 379 | QSORT(q->queue, q->nr, depth_first); |
060df624 | 380 | |
f2dc849e | 381 | for (i = 0; i < q->nr; i++) { |
ae7c5dce | 382 | struct diff_filespec *ospec = q->queue[i]->one; |
f2dc849e | 383 | struct diff_filespec *spec = q->queue[i]->two; |
ae7c5dce AG |
384 | |
385 | switch (q->queue[i]->status) { | |
386 | case DIFF_STATUS_DELETED: | |
6280dfdc JK |
387 | printf("D "); |
388 | print_path(spec->path); | |
b3e8ca89 | 389 | string_list_insert(changed, spec->path); |
6280dfdc | 390 | putchar('\n'); |
ae7c5dce AG |
391 | break; |
392 | ||
393 | case DIFF_STATUS_COPIED: | |
394 | case DIFF_STATUS_RENAMED: | |
b3e8ca89 JT |
395 | /* |
396 | * If a change in the file corresponding to ospec->path | |
397 | * has been observed, we cannot trust its contents | |
398 | * because the diff is calculated based on the prior | |
399 | * contents, not the current contents. So, declare a | |
400 | * copy or rename only if there was no change observed. | |
401 | */ | |
402 | if (!string_list_has_string(changed, ospec->path)) { | |
403 | printf("%c ", q->queue[i]->status); | |
404 | print_path(ospec->path); | |
405 | putchar(' '); | |
406 | print_path(spec->path); | |
407 | string_list_insert(changed, spec->path); | |
408 | putchar('\n'); | |
409 | ||
4a7e27e9 | 410 | if (oideq(&ospec->oid, &spec->oid) && |
b3e8ca89 JT |
411 | ospec->mode == spec->mode) |
412 | break; | |
413 | } | |
ae7c5dce AG |
414 | /* fallthrough */ |
415 | ||
416 | case DIFF_STATUS_TYPE_CHANGED: | |
417 | case DIFF_STATUS_MODIFIED: | |
418 | case DIFF_STATUS_ADDED: | |
03db4525 AG |
419 | /* |
420 | * Links refer to objects in another repositories; | |
421 | * output the SHA-1 verbatim. | |
422 | */ | |
79559f27 | 423 | if (no_data || S_ISGITLINK(spec->mode)) |
6280dfdc | 424 | printf("M %06o %s ", spec->mode, |
843b9e6d EN |
425 | oid_to_hex(anonymize ? |
426 | anonymize_oid(&spec->oid) : | |
427 | &spec->oid)); | |
03db4525 | 428 | else { |
5abddd1e SB |
429 | struct object *object = lookup_object(the_repository, |
430 | spec->oid.hash); | |
6280dfdc JK |
431 | printf("M %06o :%d ", spec->mode, |
432 | get_object_mark(object)); | |
03db4525 | 433 | } |
6280dfdc | 434 | print_path(spec->path); |
b3e8ca89 | 435 | string_list_insert(changed, spec->path); |
6280dfdc | 436 | putchar('\n'); |
ae7c5dce AG |
437 | break; |
438 | ||
439 | default: | |
440 | die("Unexpected comparison status '%c' for %s, %s", | |
441 | q->queue[i]->status, | |
442 | ospec->path ? ospec->path : "none", | |
443 | spec->path ? spec->path : "none"); | |
f2dc849e JS |
444 | } |
445 | } | |
446 | } | |
447 | ||
448 | static const char *find_encoding(const char *begin, const char *end) | |
449 | { | |
450 | const char *needle = "\nencoding "; | |
451 | char *bol, *eol; | |
452 | ||
453 | bol = memmem(begin, end ? end - begin : strlen(begin), | |
454 | needle, strlen(needle)); | |
455 | if (!bol) | |
456 | return git_commit_encoding; | |
457 | bol += strlen(needle); | |
458 | eol = strchrnul(bol, '\n'); | |
459 | *eol = '\0'; | |
460 | return bol; | |
461 | } | |
462 | ||
a8722750 JK |
463 | static void *anonymize_ref_component(const void *old, size_t *len) |
464 | { | |
465 | static int counter; | |
466 | struct strbuf out = STRBUF_INIT; | |
467 | strbuf_addf(&out, "ref%d", counter++); | |
468 | return strbuf_detach(&out, len); | |
469 | } | |
470 | ||
471 | static const char *anonymize_refname(const char *refname) | |
472 | { | |
473 | /* | |
474 | * If any of these prefixes is found, we will leave it intact | |
475 | * so that tags remain tags and so forth. | |
476 | */ | |
477 | static const char *prefixes[] = { | |
478 | "refs/heads/", | |
479 | "refs/tags/", | |
480 | "refs/remotes/", | |
481 | "refs/" | |
482 | }; | |
483 | static struct hashmap refs; | |
484 | static struct strbuf anon = STRBUF_INIT; | |
485 | int i; | |
486 | ||
487 | /* | |
488 | * We also leave "master" as a special case, since it does not reveal | |
489 | * anything interesting. | |
490 | */ | |
491 | if (!strcmp(refname, "refs/heads/master")) | |
492 | return refname; | |
493 | ||
494 | strbuf_reset(&anon); | |
495 | for (i = 0; i < ARRAY_SIZE(prefixes); i++) { | |
496 | if (skip_prefix(refname, prefixes[i], &refname)) { | |
497 | strbuf_addstr(&anon, prefixes[i]); | |
498 | break; | |
499 | } | |
500 | } | |
501 | ||
502 | anonymize_path(&anon, refname, &refs, anonymize_ref_component); | |
503 | return anon.buf; | |
504 | } | |
505 | ||
506 | /* | |
507 | * We do not even bother to cache commit messages, as they are unlikely | |
508 | * to be repeated verbatim, and it is not that interesting when they are. | |
509 | */ | |
510 | static char *anonymize_commit_message(const char *old) | |
511 | { | |
512 | static int counter; | |
513 | return xstrfmt("subject %d\n\nbody\n", counter++); | |
514 | } | |
515 | ||
516 | static struct hashmap idents; | |
517 | static void *anonymize_ident(const void *old, size_t *len) | |
518 | { | |
519 | static int counter; | |
520 | struct strbuf out = STRBUF_INIT; | |
521 | strbuf_addf(&out, "User %d <user%d@example.com>", counter, counter); | |
522 | counter++; | |
523 | return strbuf_detach(&out, len); | |
524 | } | |
525 | ||
526 | /* | |
527 | * Our strategy here is to anonymize the names and email addresses, | |
528 | * but keep timestamps intact, as they influence things like traversal | |
529 | * order (and by themselves should not be too revealing). | |
530 | */ | |
531 | static void anonymize_ident_line(const char **beg, const char **end) | |
532 | { | |
533 | static struct strbuf buffers[] = { STRBUF_INIT, STRBUF_INIT }; | |
534 | static unsigned which_buffer; | |
535 | ||
536 | struct strbuf *out; | |
537 | struct ident_split split; | |
538 | const char *end_of_header; | |
539 | ||
540 | out = &buffers[which_buffer++]; | |
541 | which_buffer %= ARRAY_SIZE(buffers); | |
542 | strbuf_reset(out); | |
543 | ||
544 | /* skip "committer", "author", "tagger", etc */ | |
545 | end_of_header = strchr(*beg, ' '); | |
546 | if (!end_of_header) | |
033abf97 | 547 | BUG("malformed line fed to anonymize_ident_line: %.*s", |
a8722750 JK |
548 | (int)(*end - *beg), *beg); |
549 | end_of_header++; | |
550 | strbuf_add(out, *beg, end_of_header - *beg); | |
551 | ||
552 | if (!split_ident_line(&split, end_of_header, *end - end_of_header) && | |
553 | split.date_begin) { | |
554 | const char *ident; | |
555 | size_t len; | |
556 | ||
557 | len = split.mail_end - split.name_begin; | |
558 | ident = anonymize_mem(&idents, anonymize_ident, | |
559 | split.name_begin, &len); | |
560 | strbuf_add(out, ident, len); | |
561 | strbuf_addch(out, ' '); | |
562 | strbuf_add(out, split.date_begin, split.tz_end - split.date_begin); | |
563 | } else { | |
564 | strbuf_addstr(out, "Malformed Ident <malformed@example.com> 0 -0000"); | |
565 | } | |
566 | ||
567 | *beg = out->buf; | |
568 | *end = out->buf + out->len; | |
569 | } | |
570 | ||
b3e8ca89 JT |
571 | static void handle_commit(struct commit *commit, struct rev_info *rev, |
572 | struct string_list *paths_of_changed_objects) | |
f2dc849e JS |
573 | { |
574 | int saved_output_format = rev->diffopt.output_format; | |
bc6b8fc1 | 575 | const char *commit_buffer; |
f2dc849e JS |
576 | const char *author, *author_end, *committer, *committer_end; |
577 | const char *encoding, *message; | |
578 | char *reencoded = NULL; | |
579 | struct commit_list *p; | |
a8722750 | 580 | const char *refname; |
f2dc849e JS |
581 | int i; |
582 | ||
583 | rev->diffopt.output_format = DIFF_FORMAT_CALLBACK; | |
584 | ||
683ff884 | 585 | parse_commit_or_die(commit); |
8597ea3a | 586 | commit_buffer = get_commit_buffer(commit, NULL); |
bc6b8fc1 | 587 | author = strstr(commit_buffer, "\nauthor "); |
f2dc849e | 588 | if (!author) |
1a07e59c NTND |
589 | die("could not find author in commit %s", |
590 | oid_to_hex(&commit->object.oid)); | |
f2dc849e JS |
591 | author++; |
592 | author_end = strchrnul(author, '\n'); | |
593 | committer = strstr(author_end, "\ncommitter "); | |
594 | if (!committer) | |
1a07e59c NTND |
595 | die("could not find committer in commit %s", |
596 | oid_to_hex(&commit->object.oid)); | |
f2dc849e JS |
597 | committer++; |
598 | committer_end = strchrnul(committer, '\n'); | |
599 | message = strstr(committer_end, "\n\n"); | |
600 | encoding = find_encoding(committer_end, message); | |
601 | if (message) | |
602 | message += 2; | |
603 | ||
ebeec7db | 604 | if (commit->parents && |
530ca19c EN |
605 | (get_object_mark(&commit->parents->item->object) != 0 || |
606 | reference_excluded_commits) && | |
4087a02e | 607 | !full_tree) { |
683ff884 | 608 | parse_commit_or_die(commit->parents->item); |
2e27bd77 DS |
609 | diff_tree_oid(get_commit_tree_oid(commit->parents->item), |
610 | get_commit_tree_oid(commit), "", &rev->diffopt); | |
f2dc849e JS |
611 | } |
612 | else | |
2e27bd77 | 613 | diff_root_tree_oid(get_commit_tree_oid(commit), |
7b8dea0c | 614 | "", &rev->diffopt); |
f2dc849e | 615 | |
03db4525 | 616 | /* Export the referenced blobs, and remember the marks. */ |
f2dc849e | 617 | for (i = 0; i < diff_queued_diff.nr; i++) |
03db4525 | 618 | if (!S_ISGITLINK(diff_queued_diff.queue[i]->two->mode)) |
273f8ee8 | 619 | export_blob(&diff_queued_diff.queue[i]->two->oid); |
f2dc849e | 620 | |
87be2523 | 621 | refname = *revision_sources_at(&revision_sources, commit); |
fdf31b63 EN |
622 | /* |
623 | * FIXME: string_list_remove() below for each ref is overall | |
624 | * O(N^2). Compared to a history walk and diffing trees, this is | |
625 | * just lost in the noise in practice. However, theoretically a | |
626 | * repo may have enough refs for this to become slow. | |
627 | */ | |
628 | string_list_remove(&extra_refs, refname, 0); | |
a8722750 JK |
629 | if (anonymize) { |
630 | refname = anonymize_refname(refname); | |
631 | anonymize_ident_line(&committer, &committer_end); | |
632 | anonymize_ident_line(&author, &author_end); | |
633 | } | |
634 | ||
df6a7ff7 | 635 | mark_next_object(&commit->object); |
a8722750 JK |
636 | if (anonymize) |
637 | reencoded = anonymize_commit_message(message); | |
638 | else if (!is_encoding_utf8(encoding)) | |
f2dc849e | 639 | reencoded = reencode_string(message, "UTF-8", encoding); |
d8933f01 | 640 | if (!commit->parents) |
a8722750 | 641 | printf("reset %s\n", refname); |
a965bb31 EN |
642 | printf("commit %s\nmark :%"PRIu32"\n", refname, last_idnum); |
643 | if (show_original_ids) | |
644 | printf("original-oid %s\n", oid_to_hex(&commit->object.oid)); | |
645 | printf("%.*s\n%.*s\ndata %u\n%s", | |
f2dc849e JS |
646 | (int)(author_end - author), author, |
647 | (int)(committer_end - committer), committer, | |
648 | (unsigned)(reencoded | |
649 | ? strlen(reencoded) : message | |
650 | ? strlen(message) : 0), | |
651 | reencoded ? reencoded : message ? message : ""); | |
8e0f7003 | 652 | free(reencoded); |
bc6b8fc1 | 653 | unuse_commit_buffer(commit, commit_buffer); |
f2dc849e JS |
654 | |
655 | for (i = 0, p = commit->parents; p; p = p->next) { | |
530ca19c EN |
656 | struct object *obj = &p->item->object; |
657 | int mark = get_object_mark(obj); | |
658 | ||
659 | if (!mark && !reference_excluded_commits) | |
f2dc849e JS |
660 | continue; |
661 | if (i == 0) | |
530ca19c EN |
662 | printf("from "); |
663 | else | |
664 | printf("merge "); | |
665 | if (mark) | |
666 | printf(":%d\n", mark); | |
f2dc849e | 667 | else |
530ca19c EN |
668 | printf("%s\n", oid_to_hex(anonymize ? |
669 | anonymize_oid(&obj->oid) : | |
670 | &obj->oid)); | |
f2dc849e JS |
671 | i++; |
672 | } | |
f2dc849e | 673 | |
4087a02e EN |
674 | if (full_tree) |
675 | printf("deleteall\n"); | |
f2dc849e | 676 | log_tree_diff_flush(rev); |
b3e8ca89 | 677 | string_list_clear(paths_of_changed_objects, 0); |
f2dc849e JS |
678 | rev->diffopt.output_format = saved_output_format; |
679 | ||
680 | printf("\n"); | |
681 | ||
682 | show_progress(); | |
683 | } | |
684 | ||
a8722750 JK |
685 | static void *anonymize_tag(const void *old, size_t *len) |
686 | { | |
687 | static int counter; | |
688 | struct strbuf out = STRBUF_INIT; | |
689 | strbuf_addf(&out, "tag message %d", counter++); | |
690 | return strbuf_detach(&out, len); | |
691 | } | |
692 | ||
b3e8ca89 JT |
693 | static void handle_tail(struct object_array *commits, struct rev_info *revs, |
694 | struct string_list *paths_of_changed_objects) | |
f2dc849e JS |
695 | { |
696 | struct commit *commit; | |
697 | while (commits->nr) { | |
71992039 | 698 | commit = (struct commit *)object_array_pop(commits); |
be011bbe MÅ |
699 | if (has_unshown_parent(commit)) { |
700 | /* Queue again, to be handled later */ | |
701 | add_object_array(&commit->object, NULL, commits); | |
f2dc849e | 702 | return; |
be011bbe | 703 | } |
b3e8ca89 | 704 | handle_commit(commit, revs, paths_of_changed_objects); |
f2dc849e JS |
705 | } |
706 | } | |
707 | ||
708 | static void handle_tag(const char *name, struct tag *tag) | |
709 | { | |
710 | unsigned long size; | |
711 | enum object_type type; | |
712 | char *buf; | |
713 | const char *tagger, *tagger_end, *message; | |
714 | size_t message_size = 0; | |
02c48cd6 | 715 | struct object *tagged; |
2d8ad469 EN |
716 | int tagged_mark; |
717 | struct commit *p; | |
02c48cd6 | 718 | |
98e023de | 719 | /* Trees have no identifier in fast-export output, thus we have no way |
02c48cd6 EN |
720 | * to output tags of trees, tags of tags of trees, etc. Simply omit |
721 | * such tags. | |
722 | */ | |
723 | tagged = tag->tagged; | |
724 | while (tagged->type == OBJ_TAG) { | |
725 | tagged = ((struct tag *)tagged)->tagged; | |
726 | } | |
727 | if (tagged->type == OBJ_TREE) { | |
728 | warning("Omitting tag %s,\nsince tags of trees (or tags of tags of trees, etc.) are not supported.", | |
f2fd0760 | 729 | oid_to_hex(&tag->object.oid)); |
02c48cd6 EN |
730 | return; |
731 | } | |
f2dc849e | 732 | |
b4f5aca4 | 733 | buf = read_object_file(&tag->object.oid, &type, &size); |
f2dc849e | 734 | if (!buf) |
1a07e59c | 735 | die("could not read tag %s", oid_to_hex(&tag->object.oid)); |
f2dc849e JS |
736 | message = memmem(buf, size, "\n\n", 2); |
737 | if (message) { | |
738 | message += 2; | |
739 | message_size = strlen(message); | |
740 | } | |
741 | tagger = memmem(buf, message ? message - buf : size, "\ntagger ", 8); | |
4e46a8d6 JS |
742 | if (!tagger) { |
743 | if (fake_missing_tagger) | |
744 | tagger = "tagger Unspecified Tagger " | |
745 | "<unspecified-tagger> 0 +0000"; | |
746 | else | |
747 | tagger = ""; | |
748 | tagger_end = tagger + strlen(tagger); | |
749 | } else { | |
750 | tagger++; | |
751 | tagger_end = strchrnul(tagger, '\n'); | |
a8722750 JK |
752 | if (anonymize) |
753 | anonymize_ident_line(&tagger, &tagger_end); | |
754 | } | |
755 | ||
756 | if (anonymize) { | |
757 | name = anonymize_refname(name); | |
758 | if (message) { | |
759 | static struct hashmap tags; | |
760 | message = anonymize_mem(&tags, anonymize_tag, | |
761 | message, &message_size); | |
762 | } | |
4e46a8d6 | 763 | } |
f2dc849e JS |
764 | |
765 | /* handle signed tags */ | |
766 | if (message) { | |
767 | const char *signature = strstr(message, | |
768 | "\n-----BEGIN PGP SIGNATURE-----\n"); | |
769 | if (signature) | |
770 | switch(signed_tag_mode) { | |
b93b81e7 | 771 | case SIGNED_TAG_ABORT: |
1a07e59c NTND |
772 | die("encountered signed tag %s; use " |
773 | "--signed-tags=<mode> to handle it", | |
774 | oid_to_hex(&tag->object.oid)); | |
f2dc849e | 775 | case WARN: |
1a07e59c NTND |
776 | warning("exporting signed tag %s", |
777 | oid_to_hex(&tag->object.oid)); | |
f2dc849e | 778 | /* fallthru */ |
ee4bc371 | 779 | case VERBATIM: |
f2dc849e | 780 | break; |
cd16c59b | 781 | case WARN_STRIP: |
1a07e59c NTND |
782 | warning("stripping signature from tag %s", |
783 | oid_to_hex(&tag->object.oid)); | |
cd16c59b | 784 | /* fallthru */ |
f2dc849e JS |
785 | case STRIP: |
786 | message_size = signature + 1 - message; | |
787 | break; | |
788 | } | |
789 | } | |
790 | ||
2d8ad469 EN |
791 | /* handle tag->tagged having been filtered out due to paths specified */ |
792 | tagged = tag->tagged; | |
793 | tagged_mark = get_object_mark(tagged); | |
794 | if (!tagged_mark) { | |
795 | switch(tag_of_filtered_mode) { | |
b93b81e7 | 796 | case TAG_FILTERING_ABORT: |
1a07e59c NTND |
797 | die("tag %s tags unexported object; use " |
798 | "--tag-of-filtered-object=<mode> to handle it", | |
799 | oid_to_hex(&tag->object.oid)); | |
2d8ad469 EN |
800 | case DROP: |
801 | /* Ignore this tag altogether */ | |
1efb1e9a | 802 | free(buf); |
2d8ad469 EN |
803 | return; |
804 | case REWRITE: | |
805 | if (tagged->type != OBJ_COMMIT) { | |
1a07e59c NTND |
806 | die("tag %s tags unexported %s!", |
807 | oid_to_hex(&tag->object.oid), | |
808 | type_name(tagged->type)); | |
2d8ad469 | 809 | } |
f129c427 EN |
810 | p = rewrite_commit((struct commit *)tagged); |
811 | if (!p) { | |
812 | printf("reset %s\nfrom %s\n\n", | |
813 | name, oid_to_hex(&null_oid)); | |
814 | free(buf); | |
815 | return; | |
2d8ad469 EN |
816 | } |
817 | tagged_mark = get_object_mark(&p->object); | |
818 | } | |
819 | } | |
820 | ||
59556548 | 821 | if (starts_with(name, "refs/tags/")) |
f2dc849e | 822 | name += 10; |
a965bb31 EN |
823 | printf("tag %s\nfrom :%d\n", name, tagged_mark); |
824 | if (show_original_ids) | |
825 | printf("original-oid %s\n", oid_to_hex(&tag->object.oid)); | |
826 | printf("%.*s%sdata %d\n%.*s\n", | |
f2dc849e | 827 | (int)(tagger_end - tagger), tagger, |
4e46a8d6 | 828 | tagger == tagger_end ? "" : "\n", |
f2dc849e | 829 | (int)message_size, (int)message_size, message ? message : ""); |
1efb1e9a | 830 | free(buf); |
f2dc849e JS |
831 | } |
832 | ||
3e9b9cb1 FC |
833 | static struct commit *get_commit(struct rev_cmdline_entry *e, char *full_name) |
834 | { | |
835 | switch (e->item->type) { | |
836 | case OBJ_COMMIT: | |
837 | return (struct commit *)e->item; | |
838 | case OBJ_TAG: { | |
839 | struct tag *tag = (struct tag *)e->item; | |
840 | ||
841 | /* handle nested tags */ | |
842 | while (tag && tag->object.type == OBJ_TAG) { | |
109cd76d | 843 | parse_object(the_repository, &tag->object.oid); |
fdf31b63 | 844 | string_list_append(&tag_refs, full_name)->util = tag; |
3e9b9cb1 FC |
845 | tag = (struct tag *)tag->tagged; |
846 | } | |
847 | if (!tag) | |
848 | die("Tag %s points nowhere?", e->name); | |
849 | return (struct commit *)tag; | |
850 | break; | |
851 | } | |
852 | default: | |
853 | return NULL; | |
854 | } | |
855 | } | |
856 | ||
1d844ee7 | 857 | static void get_tags_and_duplicates(struct rev_cmdline_info *info) |
f2dc849e | 858 | { |
f2dc849e JS |
859 | int i; |
860 | ||
49266e8a FC |
861 | for (i = 0; i < info->nr; i++) { |
862 | struct rev_cmdline_entry *e = info->rev + i; | |
273f8ee8 | 863 | struct object_id oid; |
2d242de4 | 864 | struct commit *commit; |
f2dc849e JS |
865 | char *full_name; |
866 | ||
49266e8a FC |
867 | if (e->flags & UNINTERESTING) |
868 | continue; | |
869 | ||
cca5fa64 | 870 | if (dwim_ref(e->name, strlen(e->name), &oid, &full_name) != 1) |
f2dc849e JS |
871 | continue; |
872 | ||
16eefc8e | 873 | if (refspecs.nr) { |
03e9010c | 874 | char *private; |
d000414e | 875 | private = apply_refspecs(&refspecs, full_name); |
03e9010c FC |
876 | if (private) { |
877 | free(full_name); | |
878 | full_name = private; | |
879 | } | |
880 | } | |
881 | ||
3e9b9cb1 FC |
882 | commit = get_commit(e, full_name); |
883 | if (!commit) { | |
2d07f6d4 EFL |
884 | warning("%s: Unexpected object of type %s, skipping.", |
885 | e->name, | |
debca9d2 | 886 | type_name(e->item->type)); |
2d07f6d4 | 887 | continue; |
f2dc849e | 888 | } |
f28e7c90 | 889 | |
3e9b9cb1 FC |
890 | switch(commit->object.type) { |
891 | case OBJ_COMMIT: | |
892 | break; | |
893 | case OBJ_BLOB: | |
273f8ee8 | 894 | export_blob(&commit->object.oid); |
3e9b9cb1 FC |
895 | continue; |
896 | default: /* OBJ_TAG (nested tags) is already handled */ | |
897 | warning("Tag points to object of unexpected type %s, skipping.", | |
debca9d2 | 898 | type_name(commit->object.type)); |
3e9b9cb1 FC |
899 | continue; |
900 | } | |
901 | ||
f28e7c90 | 902 | /* |
fdf31b63 EN |
903 | * Make sure this ref gets properly updated eventually, whether |
904 | * through a commit or manually at the end. | |
f28e7c90 | 905 | */ |
fdf31b63 | 906 | if (e->item->type != OBJ_TAG) |
1d844ee7 | 907 | string_list_append(&extra_refs, full_name)->util = commit; |
fdf31b63 | 908 | |
87be2523 NTND |
909 | if (!*revision_sources_at(&revision_sources, commit)) |
910 | *revision_sources_at(&revision_sources, commit) = full_name; | |
f2dc849e | 911 | } |
fdf31b63 EN |
912 | |
913 | string_list_sort(&extra_refs); | |
914 | string_list_remove_duplicates(&extra_refs, 0); | |
f2dc849e JS |
915 | } |
916 | ||
fdf31b63 | 917 | static void handle_tags_and_duplicates(struct string_list *extras) |
f2dc849e JS |
918 | { |
919 | struct commit *commit; | |
920 | int i; | |
921 | ||
fdf31b63 EN |
922 | for (i = extras->nr - 1; i >= 0; i--) { |
923 | const char *name = extras->items[i].string; | |
924 | struct object *object = extras->items[i].util; | |
925 | int mark; | |
926 | ||
f2dc849e JS |
927 | switch (object->type) { |
928 | case OBJ_TAG: | |
929 | handle_tag(name, (struct tag *)object); | |
930 | break; | |
931 | case OBJ_COMMIT: | |
a8722750 JK |
932 | if (anonymize) |
933 | name = anonymize_refname(name); | |
f2dc849e | 934 | /* create refs pointing to already seen commits */ |
cd13762d EN |
935 | commit = rewrite_commit((struct commit *)object); |
936 | if (!commit) { | |
937 | /* | |
938 | * Neither this object nor any of its | |
939 | * ancestors touch any relevant paths, so | |
940 | * it has been filtered to nothing. Delete | |
941 | * it. | |
942 | */ | |
943 | printf("reset %s\nfrom %s\n\n", | |
944 | name, oid_to_hex(&null_oid)); | |
945 | continue; | |
946 | } | |
fdf31b63 EN |
947 | |
948 | mark = get_object_mark(&commit->object); | |
949 | if (!mark) { | |
950 | /* | |
951 | * Getting here means we have a commit which | |
952 | * was excluded by a negative refspec (e.g. | |
530ca19c EN |
953 | * fast-export ^master master). If we are |
954 | * referencing excluded commits, set the ref | |
955 | * to the exact commit. Otherwise, the user | |
fdf31b63 | 956 | * wants the branch exported but every commit |
530ca19c EN |
957 | * in its history to be deleted, which basically |
958 | * just means deletion of the ref. | |
fdf31b63 | 959 | */ |
530ca19c EN |
960 | if (!reference_excluded_commits) { |
961 | /* delete the ref */ | |
962 | printf("reset %s\nfrom %s\n\n", | |
963 | name, oid_to_hex(&null_oid)); | |
964 | continue; | |
965 | } | |
966 | /* set ref to commit using oid, not mark */ | |
967 | printf("reset %s\nfrom %s\n\n", name, | |
968 | oid_to_hex(&commit->object.oid)); | |
fdf31b63 EN |
969 | continue; |
970 | } | |
971 | ||
972 | printf("reset %s\nfrom :%d\n\n", name, mark | |
973 | ); | |
f2dc849e JS |
974 | show_progress(); |
975 | break; | |
976 | } | |
977 | } | |
978 | } | |
979 | ||
df6a7ff7 PB |
980 | static void export_marks(char *file) |
981 | { | |
982 | unsigned int i; | |
983 | uint32_t mark; | |
ddd3e312 | 984 | struct decoration_entry *deco = idnums.entries; |
df6a7ff7 | 985 | FILE *f; |
96d69b55 | 986 | int e = 0; |
df6a7ff7 | 987 | |
ea56518d | 988 | f = fopen_for_writing(file); |
df6a7ff7 | 989 | if (!f) |
bb6ad28c | 990 | die_errno("Unable to open marks file %s for writing.", file); |
df6a7ff7 | 991 | |
69913575 JH |
992 | for (i = 0; i < idnums.size; i++) { |
993 | if (deco->base && deco->base->type == 1) { | |
df6a7ff7 | 994 | mark = ptr_to_mark(deco->decoration); |
96d69b55 | 995 | if (fprintf(f, ":%"PRIu32" %s\n", mark, |
f2fd0760 | 996 | oid_to_hex(&deco->base->oid)) < 0) { |
96d69b55 MA |
997 | e = 1; |
998 | break; | |
999 | } | |
df6a7ff7 | 1000 | } |
69913575 | 1001 | deco++; |
df6a7ff7 PB |
1002 | } |
1003 | ||
96d69b55 MA |
1004 | e |= ferror(f); |
1005 | e |= fclose(f); | |
1006 | if (e) | |
df6a7ff7 PB |
1007 | error("Unable to write marks file %s.", file); |
1008 | } | |
1009 | ||
69913575 | 1010 | static void import_marks(char *input_file) |
df6a7ff7 PB |
1011 | { |
1012 | char line[512]; | |
23a9e071 | 1013 | FILE *f = xfopen(input_file, "r"); |
df6a7ff7 PB |
1014 | |
1015 | while (fgets(line, sizeof(line), f)) { | |
1016 | uint32_t mark; | |
1017 | char *line_end, *mark_end; | |
273f8ee8 | 1018 | struct object_id oid; |
df6a7ff7 | 1019 | struct object *object; |
47bd9bf8 | 1020 | struct commit *commit; |
e6812cfa | 1021 | enum object_type type; |
df6a7ff7 PB |
1022 | |
1023 | line_end = strchr(line, '\n'); | |
1024 | if (line[0] != ':' || !line_end) | |
1025 | die("corrupt mark line: %s", line); | |
69913575 | 1026 | *line_end = '\0'; |
df6a7ff7 PB |
1027 | |
1028 | mark = strtoumax(line + 1, &mark_end, 10); | |
1029 | if (!mark || mark_end == line + 1 | |
273f8ee8 | 1030 | || *mark_end != ' ' || get_oid_hex(mark_end + 1, &oid)) |
df6a7ff7 PB |
1031 | die("corrupt mark line: %s", line); |
1032 | ||
c4458ecd AP |
1033 | if (last_idnum < mark) |
1034 | last_idnum = mark; | |
1035 | ||
0df8e965 | 1036 | type = oid_object_info(the_repository, &oid, NULL); |
e6812cfa | 1037 | if (type < 0) |
273f8ee8 | 1038 | die("object not found: %s", oid_to_hex(&oid)); |
e6812cfa FC |
1039 | |
1040 | if (type != OBJ_COMMIT) | |
1041 | /* only commits */ | |
c4458ecd | 1042 | continue; |
df6a7ff7 | 1043 | |
c1f5eb49 | 1044 | commit = lookup_commit(the_repository, &oid); |
47bd9bf8 | 1045 | if (!commit) |
273f8ee8 | 1046 | die("not a commit? can't happen: %s", oid_to_hex(&oid)); |
47bd9bf8 FC |
1047 | |
1048 | object = &commit->object; | |
e6812cfa | 1049 | |
df6a7ff7 | 1050 | if (object->flags & SHOWN) |
273f8ee8 | 1051 | error("Object %s already has a mark", oid_to_hex(&oid)); |
df6a7ff7 PB |
1052 | |
1053 | mark_object(object, mark); | |
df6a7ff7 PB |
1054 | |
1055 | object->flags |= SHOWN; | |
1056 | } | |
1057 | fclose(f); | |
1058 | } | |
1059 | ||
60ed2643 FC |
1060 | static void handle_deletes(void) |
1061 | { | |
1062 | int i; | |
16eefc8e BW |
1063 | for (i = 0; i < refspecs.nr; i++) { |
1064 | struct refspec_item *refspec = &refspecs.items[i]; | |
60ed2643 FC |
1065 | if (*refspec->src) |
1066 | continue; | |
1067 | ||
1068 | printf("reset %s\nfrom %s\n\n", | |
843b9e6d | 1069 | refspec->dst, oid_to_hex(&null_oid)); |
60ed2643 FC |
1070 | } |
1071 | } | |
1072 | ||
f2dc849e JS |
1073 | int cmd_fast_export(int argc, const char **argv, const char *prefix) |
1074 | { | |
1075 | struct rev_info revs; | |
3cd47459 | 1076 | struct object_array commits = OBJECT_ARRAY_INIT; |
f2dc849e | 1077 | struct commit *commit; |
df6a7ff7 | 1078 | char *export_filename = NULL, *import_filename = NULL; |
c4458ecd | 1079 | uint32_t lastimportid; |
03e9010c | 1080 | struct string_list refspecs_list = STRING_LIST_INIT_NODUP; |
b3e8ca89 | 1081 | struct string_list paths_of_changed_objects = STRING_LIST_INIT_DUP; |
f2dc849e JS |
1082 | struct option options[] = { |
1083 | OPT_INTEGER(0, "progress", &progress, | |
3b787b96 NTND |
1084 | N_("show progress after <n> objects")), |
1085 | OPT_CALLBACK(0, "signed-tags", &signed_tag_mode, N_("mode"), | |
1086 | N_("select handling of signed tags"), | |
f2dc849e | 1087 | parse_opt_signed_tag_mode), |
3b787b96 NTND |
1088 | OPT_CALLBACK(0, "tag-of-filtered-object", &tag_of_filtered_mode, N_("mode"), |
1089 | N_("select handling of tags that tag filtered objects"), | |
2d8ad469 | 1090 | parse_opt_tag_of_filtered_mode), |
3b787b96 NTND |
1091 | OPT_STRING(0, "export-marks", &export_filename, N_("file"), |
1092 | N_("Dump marks to this file")), | |
1093 | OPT_STRING(0, "import-marks", &import_filename, N_("file"), | |
1094 | N_("Import marks from this file")), | |
d5d09d47 SB |
1095 | OPT_BOOL(0, "fake-missing-tagger", &fake_missing_tagger, |
1096 | N_("Fake a tagger when tags lack one")), | |
1097 | OPT_BOOL(0, "full-tree", &full_tree, | |
1098 | N_("Output full tree for each commit")), | |
1099 | OPT_BOOL(0, "use-done-feature", &use_done_feature, | |
3b787b96 NTND |
1100 | N_("Use the done feature to terminate the stream")), |
1101 | OPT_BOOL(0, "no-data", &no_data, N_("Skip output of blob data")), | |
03e9010c FC |
1102 | OPT_STRING_LIST(0, "refspec", &refspecs_list, N_("refspec"), |
1103 | N_("Apply refspec to exported refs")), | |
a8722750 | 1104 | OPT_BOOL(0, "anonymize", &anonymize, N_("anonymize output")), |
530ca19c EN |
1105 | OPT_BOOL(0, "reference-excluded-parents", |
1106 | &reference_excluded_commits, N_("Reference parents which are not in fast-export stream by object id")), | |
a965bb31 EN |
1107 | OPT_BOOL(0, "show-original-ids", &show_original_ids, |
1108 | N_("Show original object ids of blobs/commits")), | |
530ca19c | 1109 | |
f2dc849e JS |
1110 | OPT_END() |
1111 | }; | |
1112 | ||
dcfdbdf0 MV |
1113 | if (argc == 1) |
1114 | usage_with_options (fast_export_usage, options); | |
1115 | ||
f2dc849e | 1116 | /* we handle encodings */ |
ef90d6d4 | 1117 | git_config(git_default_config, NULL); |
f2dc849e | 1118 | |
2abf3503 | 1119 | repo_init_revisions(the_repository, &revs, prefix); |
87be2523 | 1120 | init_revision_sources(&revision_sources); |
668f3aa7 | 1121 | revs.topo_order = 1; |
87be2523 | 1122 | revs.sources = &revision_sources; |
32164131 | 1123 | revs.rewrite_parents = 1; |
8b2f86a7 FC |
1124 | argc = parse_options(argc, argv, prefix, options, fast_export_usage, |
1125 | PARSE_OPT_KEEP_ARGV0 | PARSE_OPT_KEEP_UNKNOWN); | |
f2dc849e | 1126 | argc = setup_revisions(argc, argv, &revs, NULL); |
f2dc849e JS |
1127 | if (argc > 1) |
1128 | usage_with_options (fast_export_usage, options); | |
1129 | ||
03e9010c | 1130 | if (refspecs_list.nr) { |
03e9010c FC |
1131 | int i; |
1132 | ||
03e9010c | 1133 | for (i = 0; i < refspecs_list.nr; i++) |
16eefc8e | 1134 | refspec_append(&refspecs, refspecs_list.items[i].string); |
03e9010c FC |
1135 | |
1136 | string_list_clear(&refspecs_list, 1); | |
03e9010c FC |
1137 | } |
1138 | ||
82670a5c SR |
1139 | if (use_done_feature) |
1140 | printf("feature done\n"); | |
1141 | ||
df6a7ff7 PB |
1142 | if (import_filename) |
1143 | import_marks(import_filename); | |
c4458ecd | 1144 | lastimportid = last_idnum; |
df6a7ff7 | 1145 | |
afe069d1 | 1146 | if (import_filename && revs.prune_data.nr) |
4087a02e EN |
1147 | full_tree = 1; |
1148 | ||
1d844ee7 | 1149 | get_tags_and_duplicates(&revs.cmdline); |
f2dc849e | 1150 | |
3d51e1b5 MK |
1151 | if (prepare_revision_walk(&revs)) |
1152 | die("revision walk setup failed"); | |
f2dc849e | 1153 | revs.diffopt.format_callback = show_filemodify; |
b3e8ca89 | 1154 | revs.diffopt.format_callback_data = &paths_of_changed_objects; |
0d1e0e78 | 1155 | revs.diffopt.flags.recursive = 1; |
f2dc849e JS |
1156 | while ((commit = get_revision(&revs))) { |
1157 | if (has_unshown_parent(commit)) { | |
f2dc849e | 1158 | add_object_array(&commit->object, NULL, &commits); |
f2dc849e JS |
1159 | } |
1160 | else { | |
b3e8ca89 JT |
1161 | handle_commit(commit, &revs, &paths_of_changed_objects); |
1162 | handle_tail(&commits, &revs, &paths_of_changed_objects); | |
f2dc849e JS |
1163 | } |
1164 | } | |
1165 | ||
fdf31b63 EN |
1166 | handle_tags_and_duplicates(&extra_refs); |
1167 | handle_tags_and_duplicates(&tag_refs); | |
60ed2643 | 1168 | handle_deletes(); |
f2dc849e | 1169 | |
c4458ecd | 1170 | if (export_filename && lastimportid != last_idnum) |
df6a7ff7 PB |
1171 | export_marks(export_filename); |
1172 | ||
82670a5c SR |
1173 | if (use_done_feature) |
1174 | printf("done\n"); | |
1175 | ||
16eefc8e | 1176 | refspec_clear(&refspecs); |
03e9010c | 1177 | |
f2dc849e JS |
1178 | return 0; |
1179 | } |