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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" |
f2dc849e JS |
10 | #include "commit.h" |
11 | #include "object.h" | |
12 | #include "tag.h" | |
13 | #include "diff.h" | |
14 | #include "diffcore.h" | |
15 | #include "log-tree.h" | |
16 | #include "revision.h" | |
17 | #include "decorate.h" | |
c455c87c | 18 | #include "string-list.h" |
f2dc849e JS |
19 | #include "utf8.h" |
20 | #include "parse-options.h" | |
6280dfdc | 21 | #include "quote.h" |
03e9010c | 22 | #include "remote.h" |
a8722750 | 23 | #include "blob.h" |
f2dc849e JS |
24 | |
25 | static const char *fast_export_usage[] = { | |
3b787b96 | 26 | N_("git fast-export [rev-list-opts]"), |
f2dc849e JS |
27 | NULL |
28 | }; | |
29 | ||
30 | static int progress; | |
cd16c59b | 31 | static enum { ABORT, VERBATIM, WARN, WARN_STRIP, STRIP } signed_tag_mode = ABORT; |
d7a10c31 | 32 | static enum { ERROR, DROP, REWRITE } tag_of_filtered_mode = ERROR; |
4e46a8d6 | 33 | static int fake_missing_tagger; |
82670a5c | 34 | static int use_done_feature; |
79559f27 | 35 | static int no_data; |
7f40ab09 | 36 | static int full_tree; |
1d844ee7 | 37 | static struct string_list extra_refs = STRING_LIST_INIT_NODUP; |
03e9010c FC |
38 | static struct refspec *refspecs; |
39 | static int refspecs_nr; | |
a8722750 | 40 | static int anonymize; |
f2dc849e JS |
41 | |
42 | static int parse_opt_signed_tag_mode(const struct option *opt, | |
43 | const char *arg, int unset) | |
44 | { | |
45 | if (unset || !strcmp(arg, "abort")) | |
46 | signed_tag_mode = ABORT; | |
ee4bc371 JS |
47 | else if (!strcmp(arg, "verbatim") || !strcmp(arg, "ignore")) |
48 | signed_tag_mode = VERBATIM; | |
f2dc849e JS |
49 | else if (!strcmp(arg, "warn")) |
50 | signed_tag_mode = WARN; | |
cd16c59b JK |
51 | else if (!strcmp(arg, "warn-strip")) |
52 | signed_tag_mode = WARN_STRIP; | |
f2dc849e JS |
53 | else if (!strcmp(arg, "strip")) |
54 | signed_tag_mode = STRIP; | |
55 | else | |
04a74b6c | 56 | return error("Unknown signed-tags mode: %s", arg); |
f2dc849e JS |
57 | return 0; |
58 | } | |
59 | ||
2d8ad469 EN |
60 | static int parse_opt_tag_of_filtered_mode(const struct option *opt, |
61 | const char *arg, int unset) | |
62 | { | |
63 | if (unset || !strcmp(arg, "abort")) | |
d7a10c31 | 64 | tag_of_filtered_mode = ERROR; |
2d8ad469 EN |
65 | else if (!strcmp(arg, "drop")) |
66 | tag_of_filtered_mode = DROP; | |
67 | else if (!strcmp(arg, "rewrite")) | |
68 | tag_of_filtered_mode = REWRITE; | |
69 | else | |
70 | return error("Unknown tag-of-filtered mode: %s", arg); | |
71 | return 0; | |
72 | } | |
73 | ||
f2dc849e JS |
74 | static struct decoration idnums; |
75 | static uint32_t last_idnum; | |
76 | ||
77 | static int has_unshown_parent(struct commit *commit) | |
78 | { | |
79 | struct commit_list *parent; | |
80 | ||
81 | for (parent = commit->parents; parent; parent = parent->next) | |
82 | if (!(parent->item->object.flags & SHOWN) && | |
83 | !(parent->item->object.flags & UNINTERESTING)) | |
84 | return 1; | |
85 | return 0; | |
86 | } | |
87 | ||
a8722750 JK |
88 | struct anonymized_entry { |
89 | struct hashmap_entry hash; | |
90 | const char *orig; | |
91 | size_t orig_len; | |
92 | const char *anon; | |
93 | size_t anon_len; | |
94 | }; | |
95 | ||
7663cdc8 SB |
96 | static int anonymized_entry_cmp(const void *unused_cmp_data, |
97 | const void *va, const void *vb, | |
98 | const void *unused_keydata) | |
a8722750 JK |
99 | { |
100 | const struct anonymized_entry *a = va, *b = vb; | |
101 | return a->orig_len != b->orig_len || | |
102 | memcmp(a->orig, b->orig, a->orig_len); | |
103 | } | |
104 | ||
105 | /* | |
106 | * Basically keep a cache of X->Y so that we can repeatedly replace | |
107 | * the same anonymized string with another. The actual generation | |
108 | * is farmed out to the generate function. | |
109 | */ | |
110 | static const void *anonymize_mem(struct hashmap *map, | |
111 | void *(*generate)(const void *, size_t *), | |
112 | const void *orig, size_t *len) | |
113 | { | |
114 | struct anonymized_entry key, *ret; | |
115 | ||
116 | if (!map->cmpfn) | |
7663cdc8 | 117 | hashmap_init(map, anonymized_entry_cmp, NULL, 0); |
a8722750 JK |
118 | |
119 | hashmap_entry_init(&key, memhash(orig, *len)); | |
120 | key.orig = orig; | |
121 | key.orig_len = *len; | |
122 | ret = hashmap_get(map, &key, NULL); | |
123 | ||
124 | if (!ret) { | |
125 | ret = xmalloc(sizeof(*ret)); | |
126 | hashmap_entry_init(&ret->hash, key.hash.hash); | |
127 | ret->orig = xstrdup(orig); | |
128 | ret->orig_len = *len; | |
129 | ret->anon = generate(orig, len); | |
130 | ret->anon_len = *len; | |
131 | hashmap_put(map, ret); | |
132 | } | |
133 | ||
134 | *len = ret->anon_len; | |
135 | return ret->anon; | |
136 | } | |
137 | ||
138 | /* | |
139 | * We anonymize each component of a path individually, | |
140 | * so that paths a/b and a/c will share a common root. | |
141 | * The paths are cached via anonymize_mem so that repeated | |
142 | * lookups for "a" will yield the same value. | |
143 | */ | |
144 | static void anonymize_path(struct strbuf *out, const char *path, | |
145 | struct hashmap *map, | |
146 | void *(*generate)(const void *, size_t *)) | |
147 | { | |
148 | while (*path) { | |
149 | const char *end_of_component = strchrnul(path, '/'); | |
150 | size_t len = end_of_component - path; | |
151 | const char *c = anonymize_mem(map, generate, path, &len); | |
152 | strbuf_add(out, c, len); | |
153 | path = end_of_component; | |
154 | if (*path) | |
155 | strbuf_addch(out, *path++); | |
156 | } | |
157 | } | |
158 | ||
f2dc849e | 159 | /* Since intptr_t is C99, we do not use it here */ |
df6a7ff7 | 160 | static inline uint32_t *mark_to_ptr(uint32_t mark) |
f2dc849e | 161 | { |
df6a7ff7 PB |
162 | return ((uint32_t *)NULL) + mark; |
163 | } | |
164 | ||
165 | static inline uint32_t ptr_to_mark(void * mark) | |
166 | { | |
167 | return (uint32_t *)mark - (uint32_t *)NULL; | |
168 | } | |
169 | ||
170 | static inline void mark_object(struct object *object, uint32_t mark) | |
171 | { | |
172 | add_decoration(&idnums, object, mark_to_ptr(mark)); | |
173 | } | |
174 | ||
175 | static inline void mark_next_object(struct object *object) | |
176 | { | |
177 | mark_object(object, ++last_idnum); | |
f2dc849e JS |
178 | } |
179 | ||
180 | static int get_object_mark(struct object *object) | |
181 | { | |
182 | void *decoration = lookup_decoration(&idnums, object); | |
183 | if (!decoration) | |
184 | return 0; | |
df6a7ff7 | 185 | return ptr_to_mark(decoration); |
f2dc849e JS |
186 | } |
187 | ||
188 | static void show_progress(void) | |
189 | { | |
190 | static int counter = 0; | |
191 | if (!progress) | |
192 | return; | |
193 | if ((++counter % progress) == 0) | |
194 | printf("progress %d objects\n", counter); | |
195 | } | |
196 | ||
a8722750 JK |
197 | /* |
198 | * Ideally we would want some transformation of the blob data here | |
199 | * that is unreversible, but would still be the same size and have | |
200 | * the same data relationship to other blobs (so that we get the same | |
201 | * delta and packing behavior as the original). But the first and last | |
202 | * requirements there are probably mutually exclusive, so let's take | |
203 | * the easy way out for now, and just generate arbitrary content. | |
204 | * | |
205 | * There's no need to cache this result with anonymize_mem, since | |
206 | * we already handle blob content caching with marks. | |
207 | */ | |
208 | static char *anonymize_blob(unsigned long *size) | |
209 | { | |
210 | static int counter; | |
211 | struct strbuf out = STRBUF_INIT; | |
212 | strbuf_addf(&out, "anonymous blob %d", counter++); | |
213 | *size = out.len; | |
214 | return strbuf_detach(&out, NULL); | |
215 | } | |
216 | ||
273f8ee8 | 217 | static void export_blob(const struct object_id *oid) |
f2dc849e JS |
218 | { |
219 | unsigned long size; | |
220 | enum object_type type; | |
221 | char *buf; | |
222 | struct object *object; | |
30b939c3 | 223 | int eaten; |
f2dc849e | 224 | |
79559f27 GI |
225 | if (no_data) |
226 | return; | |
227 | ||
273f8ee8 | 228 | if (is_null_oid(oid)) |
f2dc849e JS |
229 | return; |
230 | ||
273f8ee8 | 231 | object = lookup_object(oid->hash); |
30b939c3 | 232 | if (object && object->flags & SHOWN) |
f2dc849e JS |
233 | return; |
234 | ||
a8722750 JK |
235 | if (anonymize) { |
236 | buf = anonymize_blob(&size); | |
3aca1fc6 | 237 | object = (struct object *)lookup_blob(oid); |
a8722750 JK |
238 | eaten = 0; |
239 | } else { | |
273f8ee8 | 240 | buf = read_sha1_file(oid->hash, &type, &size); |
a8722750 | 241 | if (!buf) |
273f8ee8 | 242 | die ("Could not read blob %s", oid_to_hex(oid)); |
243 | if (check_sha1_signature(oid->hash, buf, size, typename(type)) < 0) | |
244 | die("sha1 mismatch in blob %s", oid_to_hex(oid)); | |
c251c83d | 245 | object = parse_object_buffer(oid, type, size, buf, &eaten); |
a8722750 JK |
246 | } |
247 | ||
30b939c3 | 248 | if (!object) |
273f8ee8 | 249 | die("Could not read blob %s", oid_to_hex(oid)); |
f2dc849e | 250 | |
df6a7ff7 | 251 | mark_next_object(object); |
f2dc849e | 252 | |
6e1c2344 | 253 | printf("blob\nmark :%"PRIu32"\ndata %lu\n", last_idnum, size); |
b0fe0d72 | 254 | if (size && fwrite(buf, size, 1, stdout) != 1) |
273f8ee8 | 255 | die_errno ("Could not write blob '%s'", oid_to_hex(oid)); |
f2dc849e JS |
256 | printf("\n"); |
257 | ||
258 | show_progress(); | |
259 | ||
260 | object->flags |= SHOWN; | |
30b939c3 JK |
261 | if (!eaten) |
262 | free(buf); | |
f2dc849e JS |
263 | } |
264 | ||
060df624 EN |
265 | static int depth_first(const void *a_, const void *b_) |
266 | { | |
267 | const struct diff_filepair *a = *((const struct diff_filepair **)a_); | |
268 | const struct diff_filepair *b = *((const struct diff_filepair **)b_); | |
269 | const char *name_a, *name_b; | |
270 | int len_a, len_b, len; | |
271 | int cmp; | |
272 | ||
273 | name_a = a->one ? a->one->path : a->two->path; | |
274 | name_b = b->one ? b->one->path : b->two->path; | |
275 | ||
276 | len_a = strlen(name_a); | |
277 | len_b = strlen(name_b); | |
278 | len = (len_a < len_b) ? len_a : len_b; | |
279 | ||
280 | /* strcmp will sort 'd' before 'd/e', we want 'd/e' before 'd' */ | |
281 | cmp = memcmp(name_a, name_b, len); | |
282 | if (cmp) | |
283 | return cmp; | |
4ce6fb80 JS |
284 | cmp = len_b - len_a; |
285 | if (cmp) | |
286 | return cmp; | |
287 | /* | |
288 | * Move 'R'ename entries last so that all references of the file | |
289 | * appear in the output before it is renamed (e.g., when a file | |
290 | * was copied and renamed in the same commit). | |
291 | */ | |
292 | return (a->status == 'R') - (b->status == 'R'); | |
060df624 EN |
293 | } |
294 | ||
a8722750 | 295 | static void print_path_1(const char *path) |
6280dfdc JK |
296 | { |
297 | int need_quote = quote_c_style(path, NULL, NULL, 0); | |
298 | if (need_quote) | |
299 | quote_c_style(path, NULL, stdout, 0); | |
ff59f6da JS |
300 | else if (strchr(path, ' ')) |
301 | printf("\"%s\"", path); | |
6280dfdc JK |
302 | else |
303 | printf("%s", path); | |
304 | } | |
305 | ||
a8722750 JK |
306 | static void *anonymize_path_component(const void *path, size_t *len) |
307 | { | |
308 | static int counter; | |
309 | struct strbuf out = STRBUF_INIT; | |
310 | strbuf_addf(&out, "path%d", counter++); | |
311 | return strbuf_detach(&out, len); | |
312 | } | |
313 | ||
314 | static void print_path(const char *path) | |
315 | { | |
316 | if (!anonymize) | |
317 | print_path_1(path); | |
318 | else { | |
319 | static struct hashmap paths; | |
320 | static struct strbuf anon = STRBUF_INIT; | |
321 | ||
322 | anonymize_path(&anon, path, &paths, anonymize_path_component); | |
323 | print_path_1(anon.buf); | |
324 | strbuf_reset(&anon); | |
325 | } | |
326 | } | |
327 | ||
273f8ee8 | 328 | static void *generate_fake_oid(const void *old, size_t *len) |
a8722750 JK |
329 | { |
330 | static uint32_t counter = 1; /* avoid null sha1 */ | |
273f8ee8 | 331 | unsigned char *out = xcalloc(GIT_SHA1_RAWSZ, 1); |
332 | put_be32(out + GIT_SHA1_RAWSZ - 4, counter++); | |
a8722750 JK |
333 | return out; |
334 | } | |
335 | ||
273f8ee8 | 336 | static const unsigned char *anonymize_sha1(const struct object_id *oid) |
a8722750 JK |
337 | { |
338 | static struct hashmap sha1s; | |
273f8ee8 | 339 | size_t len = GIT_SHA1_RAWSZ; |
340 | return anonymize_mem(&sha1s, generate_fake_oid, oid, &len); | |
a8722750 JK |
341 | } |
342 | ||
f2dc849e JS |
343 | static void show_filemodify(struct diff_queue_struct *q, |
344 | struct diff_options *options, void *data) | |
345 | { | |
346 | int i; | |
b3e8ca89 | 347 | struct string_list *changed = data; |
060df624 EN |
348 | |
349 | /* | |
350 | * Handle files below a directory first, in case they are all deleted | |
351 | * and the directory changes to a file or symlink. | |
352 | */ | |
9ed0d8d6 | 353 | QSORT(q->queue, q->nr, depth_first); |
060df624 | 354 | |
f2dc849e | 355 | for (i = 0; i < q->nr; i++) { |
ae7c5dce | 356 | struct diff_filespec *ospec = q->queue[i]->one; |
f2dc849e | 357 | struct diff_filespec *spec = q->queue[i]->two; |
ae7c5dce AG |
358 | |
359 | switch (q->queue[i]->status) { | |
360 | case DIFF_STATUS_DELETED: | |
6280dfdc JK |
361 | printf("D "); |
362 | print_path(spec->path); | |
b3e8ca89 | 363 | string_list_insert(changed, spec->path); |
6280dfdc | 364 | putchar('\n'); |
ae7c5dce AG |
365 | break; |
366 | ||
367 | case DIFF_STATUS_COPIED: | |
368 | case DIFF_STATUS_RENAMED: | |
b3e8ca89 JT |
369 | /* |
370 | * If a change in the file corresponding to ospec->path | |
371 | * has been observed, we cannot trust its contents | |
372 | * because the diff is calculated based on the prior | |
373 | * contents, not the current contents. So, declare a | |
374 | * copy or rename only if there was no change observed. | |
375 | */ | |
376 | if (!string_list_has_string(changed, ospec->path)) { | |
377 | printf("%c ", q->queue[i]->status); | |
378 | print_path(ospec->path); | |
379 | putchar(' '); | |
380 | print_path(spec->path); | |
381 | string_list_insert(changed, spec->path); | |
382 | putchar('\n'); | |
383 | ||
384 | if (!oidcmp(&ospec->oid, &spec->oid) && | |
385 | ospec->mode == spec->mode) | |
386 | break; | |
387 | } | |
ae7c5dce AG |
388 | /* fallthrough */ |
389 | ||
390 | case DIFF_STATUS_TYPE_CHANGED: | |
391 | case DIFF_STATUS_MODIFIED: | |
392 | case DIFF_STATUS_ADDED: | |
03db4525 AG |
393 | /* |
394 | * Links refer to objects in another repositories; | |
395 | * output the SHA-1 verbatim. | |
396 | */ | |
79559f27 | 397 | if (no_data || S_ISGITLINK(spec->mode)) |
6280dfdc | 398 | printf("M %06o %s ", spec->mode, |
a8722750 | 399 | sha1_to_hex(anonymize ? |
273f8ee8 | 400 | anonymize_sha1(&spec->oid) : |
a0d12c44 | 401 | spec->oid.hash)); |
03db4525 | 402 | else { |
a0d12c44 | 403 | struct object *object = lookup_object(spec->oid.hash); |
6280dfdc JK |
404 | printf("M %06o :%d ", spec->mode, |
405 | get_object_mark(object)); | |
03db4525 | 406 | } |
6280dfdc | 407 | print_path(spec->path); |
b3e8ca89 | 408 | string_list_insert(changed, spec->path); |
6280dfdc | 409 | putchar('\n'); |
ae7c5dce AG |
410 | break; |
411 | ||
412 | default: | |
413 | die("Unexpected comparison status '%c' for %s, %s", | |
414 | q->queue[i]->status, | |
415 | ospec->path ? ospec->path : "none", | |
416 | spec->path ? spec->path : "none"); | |
f2dc849e JS |
417 | } |
418 | } | |
419 | } | |
420 | ||
421 | static const char *find_encoding(const char *begin, const char *end) | |
422 | { | |
423 | const char *needle = "\nencoding "; | |
424 | char *bol, *eol; | |
425 | ||
426 | bol = memmem(begin, end ? end - begin : strlen(begin), | |
427 | needle, strlen(needle)); | |
428 | if (!bol) | |
429 | return git_commit_encoding; | |
430 | bol += strlen(needle); | |
431 | eol = strchrnul(bol, '\n'); | |
432 | *eol = '\0'; | |
433 | return bol; | |
434 | } | |
435 | ||
a8722750 JK |
436 | static void *anonymize_ref_component(const void *old, size_t *len) |
437 | { | |
438 | static int counter; | |
439 | struct strbuf out = STRBUF_INIT; | |
440 | strbuf_addf(&out, "ref%d", counter++); | |
441 | return strbuf_detach(&out, len); | |
442 | } | |
443 | ||
444 | static const char *anonymize_refname(const char *refname) | |
445 | { | |
446 | /* | |
447 | * If any of these prefixes is found, we will leave it intact | |
448 | * so that tags remain tags and so forth. | |
449 | */ | |
450 | static const char *prefixes[] = { | |
451 | "refs/heads/", | |
452 | "refs/tags/", | |
453 | "refs/remotes/", | |
454 | "refs/" | |
455 | }; | |
456 | static struct hashmap refs; | |
457 | static struct strbuf anon = STRBUF_INIT; | |
458 | int i; | |
459 | ||
460 | /* | |
461 | * We also leave "master" as a special case, since it does not reveal | |
462 | * anything interesting. | |
463 | */ | |
464 | if (!strcmp(refname, "refs/heads/master")) | |
465 | return refname; | |
466 | ||
467 | strbuf_reset(&anon); | |
468 | for (i = 0; i < ARRAY_SIZE(prefixes); i++) { | |
469 | if (skip_prefix(refname, prefixes[i], &refname)) { | |
470 | strbuf_addstr(&anon, prefixes[i]); | |
471 | break; | |
472 | } | |
473 | } | |
474 | ||
475 | anonymize_path(&anon, refname, &refs, anonymize_ref_component); | |
476 | return anon.buf; | |
477 | } | |
478 | ||
479 | /* | |
480 | * We do not even bother to cache commit messages, as they are unlikely | |
481 | * to be repeated verbatim, and it is not that interesting when they are. | |
482 | */ | |
483 | static char *anonymize_commit_message(const char *old) | |
484 | { | |
485 | static int counter; | |
486 | return xstrfmt("subject %d\n\nbody\n", counter++); | |
487 | } | |
488 | ||
489 | static struct hashmap idents; | |
490 | static void *anonymize_ident(const void *old, size_t *len) | |
491 | { | |
492 | static int counter; | |
493 | struct strbuf out = STRBUF_INIT; | |
494 | strbuf_addf(&out, "User %d <user%d@example.com>", counter, counter); | |
495 | counter++; | |
496 | return strbuf_detach(&out, len); | |
497 | } | |
498 | ||
499 | /* | |
500 | * Our strategy here is to anonymize the names and email addresses, | |
501 | * but keep timestamps intact, as they influence things like traversal | |
502 | * order (and by themselves should not be too revealing). | |
503 | */ | |
504 | static void anonymize_ident_line(const char **beg, const char **end) | |
505 | { | |
506 | static struct strbuf buffers[] = { STRBUF_INIT, STRBUF_INIT }; | |
507 | static unsigned which_buffer; | |
508 | ||
509 | struct strbuf *out; | |
510 | struct ident_split split; | |
511 | const char *end_of_header; | |
512 | ||
513 | out = &buffers[which_buffer++]; | |
514 | which_buffer %= ARRAY_SIZE(buffers); | |
515 | strbuf_reset(out); | |
516 | ||
517 | /* skip "committer", "author", "tagger", etc */ | |
518 | end_of_header = strchr(*beg, ' '); | |
519 | if (!end_of_header) | |
520 | die("BUG: malformed line fed to anonymize_ident_line: %.*s", | |
521 | (int)(*end - *beg), *beg); | |
522 | end_of_header++; | |
523 | strbuf_add(out, *beg, end_of_header - *beg); | |
524 | ||
525 | if (!split_ident_line(&split, end_of_header, *end - end_of_header) && | |
526 | split.date_begin) { | |
527 | const char *ident; | |
528 | size_t len; | |
529 | ||
530 | len = split.mail_end - split.name_begin; | |
531 | ident = anonymize_mem(&idents, anonymize_ident, | |
532 | split.name_begin, &len); | |
533 | strbuf_add(out, ident, len); | |
534 | strbuf_addch(out, ' '); | |
535 | strbuf_add(out, split.date_begin, split.tz_end - split.date_begin); | |
536 | } else { | |
537 | strbuf_addstr(out, "Malformed Ident <malformed@example.com> 0 -0000"); | |
538 | } | |
539 | ||
540 | *beg = out->buf; | |
541 | *end = out->buf + out->len; | |
542 | } | |
543 | ||
b3e8ca89 JT |
544 | static void handle_commit(struct commit *commit, struct rev_info *rev, |
545 | struct string_list *paths_of_changed_objects) | |
f2dc849e JS |
546 | { |
547 | int saved_output_format = rev->diffopt.output_format; | |
bc6b8fc1 | 548 | const char *commit_buffer; |
f2dc849e JS |
549 | const char *author, *author_end, *committer, *committer_end; |
550 | const char *encoding, *message; | |
551 | char *reencoded = NULL; | |
552 | struct commit_list *p; | |
a8722750 | 553 | const char *refname; |
f2dc849e JS |
554 | int i; |
555 | ||
556 | rev->diffopt.output_format = DIFF_FORMAT_CALLBACK; | |
557 | ||
683ff884 | 558 | parse_commit_or_die(commit); |
8597ea3a | 559 | commit_buffer = get_commit_buffer(commit, NULL); |
bc6b8fc1 | 560 | author = strstr(commit_buffer, "\nauthor "); |
f2dc849e JS |
561 | if (!author) |
562 | die ("Could not find author in commit %s", | |
f2fd0760 | 563 | oid_to_hex(&commit->object.oid)); |
f2dc849e JS |
564 | author++; |
565 | author_end = strchrnul(author, '\n'); | |
566 | committer = strstr(author_end, "\ncommitter "); | |
567 | if (!committer) | |
568 | die ("Could not find committer in commit %s", | |
f2fd0760 | 569 | oid_to_hex(&commit->object.oid)); |
f2dc849e JS |
570 | committer++; |
571 | committer_end = strchrnul(committer, '\n'); | |
572 | message = strstr(committer_end, "\n\n"); | |
573 | encoding = find_encoding(committer_end, message); | |
574 | if (message) | |
575 | message += 2; | |
576 | ||
ebeec7db | 577 | if (commit->parents && |
4087a02e EN |
578 | get_object_mark(&commit->parents->item->object) != 0 && |
579 | !full_tree) { | |
683ff884 | 580 | parse_commit_or_die(commit->parents->item); |
66f414f8 BW |
581 | diff_tree_oid(&commit->parents->item->tree->object.oid, |
582 | &commit->tree->object.oid, "", &rev->diffopt); | |
f2dc849e JS |
583 | } |
584 | else | |
7b8dea0c BW |
585 | diff_root_tree_oid(&commit->tree->object.oid, |
586 | "", &rev->diffopt); | |
f2dc849e | 587 | |
03db4525 | 588 | /* Export the referenced blobs, and remember the marks. */ |
f2dc849e | 589 | for (i = 0; i < diff_queued_diff.nr; i++) |
03db4525 | 590 | if (!S_ISGITLINK(diff_queued_diff.queue[i]->two->mode)) |
273f8ee8 | 591 | export_blob(&diff_queued_diff.queue[i]->two->oid); |
f2dc849e | 592 | |
a8722750 JK |
593 | refname = commit->util; |
594 | if (anonymize) { | |
595 | refname = anonymize_refname(refname); | |
596 | anonymize_ident_line(&committer, &committer_end); | |
597 | anonymize_ident_line(&author, &author_end); | |
598 | } | |
599 | ||
df6a7ff7 | 600 | mark_next_object(&commit->object); |
a8722750 JK |
601 | if (anonymize) |
602 | reencoded = anonymize_commit_message(message); | |
603 | else if (!is_encoding_utf8(encoding)) | |
f2dc849e | 604 | reencoded = reencode_string(message, "UTF-8", encoding); |
d8933f01 | 605 | if (!commit->parents) |
a8722750 | 606 | printf("reset %s\n", refname); |
6e1c2344 | 607 | printf("commit %s\nmark :%"PRIu32"\n%.*s\n%.*s\ndata %u\n%s", |
a8722750 | 608 | refname, last_idnum, |
f2dc849e JS |
609 | (int)(author_end - author), author, |
610 | (int)(committer_end - committer), committer, | |
611 | (unsigned)(reencoded | |
612 | ? strlen(reencoded) : message | |
613 | ? strlen(message) : 0), | |
614 | reencoded ? reencoded : message ? message : ""); | |
8e0f7003 | 615 | free(reencoded); |
bc6b8fc1 | 616 | unuse_commit_buffer(commit, commit_buffer); |
f2dc849e JS |
617 | |
618 | for (i = 0, p = commit->parents; p; p = p->next) { | |
619 | int mark = get_object_mark(&p->item->object); | |
620 | if (!mark) | |
621 | continue; | |
622 | if (i == 0) | |
623 | printf("from :%d\n", mark); | |
f2dc849e | 624 | else |
5070b49e | 625 | printf("merge :%d\n", mark); |
f2dc849e JS |
626 | i++; |
627 | } | |
f2dc849e | 628 | |
4087a02e EN |
629 | if (full_tree) |
630 | printf("deleteall\n"); | |
f2dc849e | 631 | log_tree_diff_flush(rev); |
b3e8ca89 | 632 | string_list_clear(paths_of_changed_objects, 0); |
f2dc849e JS |
633 | rev->diffopt.output_format = saved_output_format; |
634 | ||
635 | printf("\n"); | |
636 | ||
637 | show_progress(); | |
638 | } | |
639 | ||
a8722750 JK |
640 | static void *anonymize_tag(const void *old, size_t *len) |
641 | { | |
642 | static int counter; | |
643 | struct strbuf out = STRBUF_INIT; | |
644 | strbuf_addf(&out, "tag message %d", counter++); | |
645 | return strbuf_detach(&out, len); | |
646 | } | |
647 | ||
b3e8ca89 JT |
648 | static void handle_tail(struct object_array *commits, struct rev_info *revs, |
649 | struct string_list *paths_of_changed_objects) | |
f2dc849e JS |
650 | { |
651 | struct commit *commit; | |
652 | while (commits->nr) { | |
71992039 | 653 | commit = (struct commit *)object_array_pop(commits); |
f2dc849e JS |
654 | if (has_unshown_parent(commit)) |
655 | return; | |
b3e8ca89 | 656 | handle_commit(commit, revs, paths_of_changed_objects); |
f2dc849e JS |
657 | } |
658 | } | |
659 | ||
660 | static void handle_tag(const char *name, struct tag *tag) | |
661 | { | |
662 | unsigned long size; | |
663 | enum object_type type; | |
664 | char *buf; | |
665 | const char *tagger, *tagger_end, *message; | |
666 | size_t message_size = 0; | |
02c48cd6 | 667 | struct object *tagged; |
2d8ad469 EN |
668 | int tagged_mark; |
669 | struct commit *p; | |
02c48cd6 | 670 | |
98e023de | 671 | /* Trees have no identifier in fast-export output, thus we have no way |
02c48cd6 EN |
672 | * to output tags of trees, tags of tags of trees, etc. Simply omit |
673 | * such tags. | |
674 | */ | |
675 | tagged = tag->tagged; | |
676 | while (tagged->type == OBJ_TAG) { | |
677 | tagged = ((struct tag *)tagged)->tagged; | |
678 | } | |
679 | if (tagged->type == OBJ_TREE) { | |
680 | warning("Omitting tag %s,\nsince tags of trees (or tags of tags of trees, etc.) are not supported.", | |
f2fd0760 | 681 | oid_to_hex(&tag->object.oid)); |
02c48cd6 EN |
682 | return; |
683 | } | |
f2dc849e | 684 | |
ed1c9977 | 685 | buf = read_sha1_file(tag->object.oid.hash, &type, &size); |
f2dc849e | 686 | if (!buf) |
f2fd0760 | 687 | die ("Could not read tag %s", oid_to_hex(&tag->object.oid)); |
f2dc849e JS |
688 | message = memmem(buf, size, "\n\n", 2); |
689 | if (message) { | |
690 | message += 2; | |
691 | message_size = strlen(message); | |
692 | } | |
693 | tagger = memmem(buf, message ? message - buf : size, "\ntagger ", 8); | |
4e46a8d6 JS |
694 | if (!tagger) { |
695 | if (fake_missing_tagger) | |
696 | tagger = "tagger Unspecified Tagger " | |
697 | "<unspecified-tagger> 0 +0000"; | |
698 | else | |
699 | tagger = ""; | |
700 | tagger_end = tagger + strlen(tagger); | |
701 | } else { | |
702 | tagger++; | |
703 | tagger_end = strchrnul(tagger, '\n'); | |
a8722750 JK |
704 | if (anonymize) |
705 | anonymize_ident_line(&tagger, &tagger_end); | |
706 | } | |
707 | ||
708 | if (anonymize) { | |
709 | name = anonymize_refname(name); | |
710 | if (message) { | |
711 | static struct hashmap tags; | |
712 | message = anonymize_mem(&tags, anonymize_tag, | |
713 | message, &message_size); | |
714 | } | |
4e46a8d6 | 715 | } |
f2dc849e JS |
716 | |
717 | /* handle signed tags */ | |
718 | if (message) { | |
719 | const char *signature = strstr(message, | |
720 | "\n-----BEGIN PGP SIGNATURE-----\n"); | |
721 | if (signature) | |
722 | switch(signed_tag_mode) { | |
723 | case ABORT: | |
724 | die ("Encountered signed tag %s; use " | |
04a74b6c | 725 | "--signed-tags=<mode> to handle it.", |
f2fd0760 | 726 | oid_to_hex(&tag->object.oid)); |
f2dc849e JS |
727 | case WARN: |
728 | warning ("Exporting signed tag %s", | |
f2fd0760 | 729 | oid_to_hex(&tag->object.oid)); |
f2dc849e | 730 | /* fallthru */ |
ee4bc371 | 731 | case VERBATIM: |
f2dc849e | 732 | break; |
cd16c59b JK |
733 | case WARN_STRIP: |
734 | warning ("Stripping signature from tag %s", | |
f2fd0760 | 735 | oid_to_hex(&tag->object.oid)); |
cd16c59b | 736 | /* fallthru */ |
f2dc849e JS |
737 | case STRIP: |
738 | message_size = signature + 1 - message; | |
739 | break; | |
740 | } | |
741 | } | |
742 | ||
2d8ad469 EN |
743 | /* handle tag->tagged having been filtered out due to paths specified */ |
744 | tagged = tag->tagged; | |
745 | tagged_mark = get_object_mark(tagged); | |
746 | if (!tagged_mark) { | |
747 | switch(tag_of_filtered_mode) { | |
748 | case ABORT: | |
749 | die ("Tag %s tags unexported object; use " | |
750 | "--tag-of-filtered-object=<mode> to handle it.", | |
f2fd0760 | 751 | oid_to_hex(&tag->object.oid)); |
2d8ad469 EN |
752 | case DROP: |
753 | /* Ignore this tag altogether */ | |
1efb1e9a | 754 | free(buf); |
2d8ad469 EN |
755 | return; |
756 | case REWRITE: | |
757 | if (tagged->type != OBJ_COMMIT) { | |
758 | die ("Tag %s tags unexported %s!", | |
f2fd0760 | 759 | oid_to_hex(&tag->object.oid), |
2d8ad469 EN |
760 | typename(tagged->type)); |
761 | } | |
762 | p = (struct commit *)tagged; | |
763 | for (;;) { | |
764 | if (p->parents && p->parents->next) | |
765 | break; | |
766 | if (p->object.flags & UNINTERESTING) | |
767 | break; | |
768 | if (!(p->object.flags & TREESAME)) | |
769 | break; | |
770 | if (!p->parents) | |
771 | die ("Can't find replacement commit for tag %s\n", | |
f2fd0760 | 772 | oid_to_hex(&tag->object.oid)); |
2d8ad469 EN |
773 | p = p->parents->item; |
774 | } | |
775 | tagged_mark = get_object_mark(&p->object); | |
776 | } | |
777 | } | |
778 | ||
59556548 | 779 | if (starts_with(name, "refs/tags/")) |
f2dc849e | 780 | name += 10; |
4e46a8d6 | 781 | printf("tag %s\nfrom :%d\n%.*s%sdata %d\n%.*s\n", |
2d8ad469 | 782 | name, tagged_mark, |
f2dc849e | 783 | (int)(tagger_end - tagger), tagger, |
4e46a8d6 | 784 | tagger == tagger_end ? "" : "\n", |
f2dc849e | 785 | (int)message_size, (int)message_size, message ? message : ""); |
1efb1e9a | 786 | free(buf); |
f2dc849e JS |
787 | } |
788 | ||
3e9b9cb1 FC |
789 | static struct commit *get_commit(struct rev_cmdline_entry *e, char *full_name) |
790 | { | |
791 | switch (e->item->type) { | |
792 | case OBJ_COMMIT: | |
793 | return (struct commit *)e->item; | |
794 | case OBJ_TAG: { | |
795 | struct tag *tag = (struct tag *)e->item; | |
796 | ||
797 | /* handle nested tags */ | |
798 | while (tag && tag->object.type == OBJ_TAG) { | |
c251c83d | 799 | parse_object(&tag->object.oid); |
3e9b9cb1 FC |
800 | string_list_append(&extra_refs, full_name)->util = tag; |
801 | tag = (struct tag *)tag->tagged; | |
802 | } | |
803 | if (!tag) | |
804 | die("Tag %s points nowhere?", e->name); | |
805 | return (struct commit *)tag; | |
806 | break; | |
807 | } | |
808 | default: | |
809 | return NULL; | |
810 | } | |
811 | } | |
812 | ||
1d844ee7 | 813 | static void get_tags_and_duplicates(struct rev_cmdline_info *info) |
f2dc849e | 814 | { |
f2dc849e JS |
815 | int i; |
816 | ||
49266e8a FC |
817 | for (i = 0; i < info->nr; i++) { |
818 | struct rev_cmdline_entry *e = info->rev + i; | |
273f8ee8 | 819 | struct object_id oid; |
2d242de4 | 820 | struct commit *commit; |
f2dc849e JS |
821 | char *full_name; |
822 | ||
49266e8a FC |
823 | if (e->flags & UNINTERESTING) |
824 | continue; | |
825 | ||
cca5fa64 | 826 | if (dwim_ref(e->name, strlen(e->name), &oid, &full_name) != 1) |
f2dc849e JS |
827 | continue; |
828 | ||
03e9010c FC |
829 | if (refspecs) { |
830 | char *private; | |
831 | private = apply_refspecs(refspecs, refspecs_nr, full_name); | |
832 | if (private) { | |
833 | free(full_name); | |
834 | full_name = private; | |
835 | } | |
836 | } | |
837 | ||
3e9b9cb1 FC |
838 | commit = get_commit(e, full_name); |
839 | if (!commit) { | |
2d07f6d4 EFL |
840 | warning("%s: Unexpected object of type %s, skipping.", |
841 | e->name, | |
842 | typename(e->item->type)); | |
843 | continue; | |
f2dc849e | 844 | } |
f28e7c90 | 845 | |
3e9b9cb1 FC |
846 | switch(commit->object.type) { |
847 | case OBJ_COMMIT: | |
848 | break; | |
849 | case OBJ_BLOB: | |
273f8ee8 | 850 | export_blob(&commit->object.oid); |
3e9b9cb1 FC |
851 | continue; |
852 | default: /* OBJ_TAG (nested tags) is already handled */ | |
853 | warning("Tag points to object of unexpected type %s, skipping.", | |
854 | typename(commit->object.type)); | |
855 | continue; | |
856 | } | |
857 | ||
f28e7c90 FC |
858 | /* |
859 | * This ref will not be updated through a commit, lets make | |
860 | * sure it gets properly updated eventually. | |
861 | */ | |
862 | if (commit->util || commit->object.flags & SHOWN) | |
1d844ee7 | 863 | string_list_append(&extra_refs, full_name)->util = commit; |
f28e7c90 | 864 | if (!commit->util) |
f2dc849e JS |
865 | commit->util = full_name; |
866 | } | |
867 | } | |
868 | ||
1d844ee7 | 869 | static void handle_tags_and_duplicates(void) |
f2dc849e JS |
870 | { |
871 | struct commit *commit; | |
872 | int i; | |
873 | ||
1d844ee7 FC |
874 | for (i = extra_refs.nr - 1; i >= 0; i--) { |
875 | const char *name = extra_refs.items[i].string; | |
876 | struct object *object = extra_refs.items[i].util; | |
f2dc849e JS |
877 | switch (object->type) { |
878 | case OBJ_TAG: | |
879 | handle_tag(name, (struct tag *)object); | |
880 | break; | |
881 | case OBJ_COMMIT: | |
a8722750 JK |
882 | if (anonymize) |
883 | name = anonymize_refname(name); | |
f2dc849e JS |
884 | /* create refs pointing to already seen commits */ |
885 | commit = (struct commit *)object; | |
886 | printf("reset %s\nfrom :%d\n\n", name, | |
887 | get_object_mark(&commit->object)); | |
888 | show_progress(); | |
889 | break; | |
890 | } | |
891 | } | |
892 | } | |
893 | ||
df6a7ff7 PB |
894 | static void export_marks(char *file) |
895 | { | |
896 | unsigned int i; | |
897 | uint32_t mark; | |
ddd3e312 | 898 | struct decoration_entry *deco = idnums.entries; |
df6a7ff7 | 899 | FILE *f; |
96d69b55 | 900 | int e = 0; |
df6a7ff7 | 901 | |
ea56518d | 902 | f = fopen_for_writing(file); |
df6a7ff7 | 903 | if (!f) |
bb6ad28c | 904 | die_errno("Unable to open marks file %s for writing.", file); |
df6a7ff7 | 905 | |
69913575 JH |
906 | for (i = 0; i < idnums.size; i++) { |
907 | if (deco->base && deco->base->type == 1) { | |
df6a7ff7 | 908 | mark = ptr_to_mark(deco->decoration); |
96d69b55 | 909 | if (fprintf(f, ":%"PRIu32" %s\n", mark, |
f2fd0760 | 910 | oid_to_hex(&deco->base->oid)) < 0) { |
96d69b55 MA |
911 | e = 1; |
912 | break; | |
913 | } | |
df6a7ff7 | 914 | } |
69913575 | 915 | deco++; |
df6a7ff7 PB |
916 | } |
917 | ||
96d69b55 MA |
918 | e |= ferror(f); |
919 | e |= fclose(f); | |
920 | if (e) | |
df6a7ff7 PB |
921 | error("Unable to write marks file %s.", file); |
922 | } | |
923 | ||
69913575 | 924 | static void import_marks(char *input_file) |
df6a7ff7 PB |
925 | { |
926 | char line[512]; | |
23a9e071 | 927 | FILE *f = xfopen(input_file, "r"); |
df6a7ff7 PB |
928 | |
929 | while (fgets(line, sizeof(line), f)) { | |
930 | uint32_t mark; | |
931 | char *line_end, *mark_end; | |
273f8ee8 | 932 | struct object_id oid; |
df6a7ff7 | 933 | struct object *object; |
47bd9bf8 | 934 | struct commit *commit; |
e6812cfa | 935 | enum object_type type; |
df6a7ff7 PB |
936 | |
937 | line_end = strchr(line, '\n'); | |
938 | if (line[0] != ':' || !line_end) | |
939 | die("corrupt mark line: %s", line); | |
69913575 | 940 | *line_end = '\0'; |
df6a7ff7 PB |
941 | |
942 | mark = strtoumax(line + 1, &mark_end, 10); | |
943 | if (!mark || mark_end == line + 1 | |
273f8ee8 | 944 | || *mark_end != ' ' || get_oid_hex(mark_end + 1, &oid)) |
df6a7ff7 PB |
945 | die("corrupt mark line: %s", line); |
946 | ||
c4458ecd AP |
947 | if (last_idnum < mark) |
948 | last_idnum = mark; | |
949 | ||
273f8ee8 | 950 | type = sha1_object_info(oid.hash, NULL); |
e6812cfa | 951 | if (type < 0) |
273f8ee8 | 952 | die("object not found: %s", oid_to_hex(&oid)); |
e6812cfa FC |
953 | |
954 | if (type != OBJ_COMMIT) | |
955 | /* only commits */ | |
c4458ecd | 956 | continue; |
df6a7ff7 | 957 | |
bc83266a | 958 | commit = lookup_commit(&oid); |
47bd9bf8 | 959 | if (!commit) |
273f8ee8 | 960 | die("not a commit? can't happen: %s", oid_to_hex(&oid)); |
47bd9bf8 FC |
961 | |
962 | object = &commit->object; | |
e6812cfa | 963 | |
df6a7ff7 | 964 | if (object->flags & SHOWN) |
273f8ee8 | 965 | error("Object %s already has a mark", oid_to_hex(&oid)); |
df6a7ff7 PB |
966 | |
967 | mark_object(object, mark); | |
df6a7ff7 PB |
968 | |
969 | object->flags |= SHOWN; | |
970 | } | |
971 | fclose(f); | |
972 | } | |
973 | ||
60ed2643 FC |
974 | static void handle_deletes(void) |
975 | { | |
976 | int i; | |
977 | for (i = 0; i < refspecs_nr; i++) { | |
978 | struct refspec *refspec = &refspecs[i]; | |
979 | if (*refspec->src) | |
980 | continue; | |
981 | ||
982 | printf("reset %s\nfrom %s\n\n", | |
983 | refspec->dst, sha1_to_hex(null_sha1)); | |
984 | } | |
985 | } | |
986 | ||
f2dc849e JS |
987 | int cmd_fast_export(int argc, const char **argv, const char *prefix) |
988 | { | |
989 | struct rev_info revs; | |
3cd47459 | 990 | struct object_array commits = OBJECT_ARRAY_INIT; |
f2dc849e | 991 | struct commit *commit; |
df6a7ff7 | 992 | char *export_filename = NULL, *import_filename = NULL; |
c4458ecd | 993 | uint32_t lastimportid; |
03e9010c | 994 | struct string_list refspecs_list = STRING_LIST_INIT_NODUP; |
b3e8ca89 | 995 | struct string_list paths_of_changed_objects = STRING_LIST_INIT_DUP; |
f2dc849e JS |
996 | struct option options[] = { |
997 | OPT_INTEGER(0, "progress", &progress, | |
3b787b96 NTND |
998 | N_("show progress after <n> objects")), |
999 | OPT_CALLBACK(0, "signed-tags", &signed_tag_mode, N_("mode"), | |
1000 | N_("select handling of signed tags"), | |
f2dc849e | 1001 | parse_opt_signed_tag_mode), |
3b787b96 NTND |
1002 | OPT_CALLBACK(0, "tag-of-filtered-object", &tag_of_filtered_mode, N_("mode"), |
1003 | N_("select handling of tags that tag filtered objects"), | |
2d8ad469 | 1004 | parse_opt_tag_of_filtered_mode), |
3b787b96 NTND |
1005 | OPT_STRING(0, "export-marks", &export_filename, N_("file"), |
1006 | N_("Dump marks to this file")), | |
1007 | OPT_STRING(0, "import-marks", &import_filename, N_("file"), | |
1008 | N_("Import marks from this file")), | |
d5d09d47 SB |
1009 | OPT_BOOL(0, "fake-missing-tagger", &fake_missing_tagger, |
1010 | N_("Fake a tagger when tags lack one")), | |
1011 | OPT_BOOL(0, "full-tree", &full_tree, | |
1012 | N_("Output full tree for each commit")), | |
1013 | OPT_BOOL(0, "use-done-feature", &use_done_feature, | |
3b787b96 NTND |
1014 | N_("Use the done feature to terminate the stream")), |
1015 | OPT_BOOL(0, "no-data", &no_data, N_("Skip output of blob data")), | |
03e9010c FC |
1016 | OPT_STRING_LIST(0, "refspec", &refspecs_list, N_("refspec"), |
1017 | N_("Apply refspec to exported refs")), | |
a8722750 | 1018 | OPT_BOOL(0, "anonymize", &anonymize, N_("anonymize output")), |
f2dc849e JS |
1019 | OPT_END() |
1020 | }; | |
1021 | ||
dcfdbdf0 MV |
1022 | if (argc == 1) |
1023 | usage_with_options (fast_export_usage, options); | |
1024 | ||
f2dc849e | 1025 | /* we handle encodings */ |
ef90d6d4 | 1026 | git_config(git_default_config, NULL); |
f2dc849e JS |
1027 | |
1028 | init_revisions(&revs, prefix); | |
668f3aa7 | 1029 | revs.topo_order = 1; |
2374502c | 1030 | revs.show_source = 1; |
32164131 | 1031 | revs.rewrite_parents = 1; |
8b2f86a7 FC |
1032 | argc = parse_options(argc, argv, prefix, options, fast_export_usage, |
1033 | PARSE_OPT_KEEP_ARGV0 | PARSE_OPT_KEEP_UNKNOWN); | |
f2dc849e | 1034 | argc = setup_revisions(argc, argv, &revs, NULL); |
f2dc849e JS |
1035 | if (argc > 1) |
1036 | usage_with_options (fast_export_usage, options); | |
1037 | ||
03e9010c FC |
1038 | if (refspecs_list.nr) { |
1039 | const char **refspecs_str; | |
1040 | int i; | |
1041 | ||
b32fa95f | 1042 | ALLOC_ARRAY(refspecs_str, refspecs_list.nr); |
03e9010c FC |
1043 | for (i = 0; i < refspecs_list.nr; i++) |
1044 | refspecs_str[i] = refspecs_list.items[i].string; | |
1045 | ||
1046 | refspecs_nr = refspecs_list.nr; | |
1047 | refspecs = parse_fetch_refspec(refspecs_nr, refspecs_str); | |
1048 | ||
1049 | string_list_clear(&refspecs_list, 1); | |
1050 | free(refspecs_str); | |
1051 | } | |
1052 | ||
82670a5c SR |
1053 | if (use_done_feature) |
1054 | printf("feature done\n"); | |
1055 | ||
df6a7ff7 PB |
1056 | if (import_filename) |
1057 | import_marks(import_filename); | |
c4458ecd | 1058 | lastimportid = last_idnum; |
df6a7ff7 | 1059 | |
afe069d1 | 1060 | if (import_filename && revs.prune_data.nr) |
4087a02e EN |
1061 | full_tree = 1; |
1062 | ||
1d844ee7 | 1063 | get_tags_and_duplicates(&revs.cmdline); |
f2dc849e | 1064 | |
3d51e1b5 MK |
1065 | if (prepare_revision_walk(&revs)) |
1066 | die("revision walk setup failed"); | |
f2dc849e | 1067 | revs.diffopt.format_callback = show_filemodify; |
b3e8ca89 | 1068 | revs.diffopt.format_callback_data = &paths_of_changed_objects; |
0d1e0e78 | 1069 | revs.diffopt.flags.recursive = 1; |
f2dc849e JS |
1070 | while ((commit = get_revision(&revs))) { |
1071 | if (has_unshown_parent(commit)) { | |
f2dc849e | 1072 | add_object_array(&commit->object, NULL, &commits); |
f2dc849e JS |
1073 | } |
1074 | else { | |
b3e8ca89 JT |
1075 | handle_commit(commit, &revs, &paths_of_changed_objects); |
1076 | handle_tail(&commits, &revs, &paths_of_changed_objects); | |
f2dc849e JS |
1077 | } |
1078 | } | |
1079 | ||
1d844ee7 | 1080 | handle_tags_and_duplicates(); |
60ed2643 | 1081 | handle_deletes(); |
f2dc849e | 1082 | |
c4458ecd | 1083 | if (export_filename && lastimportid != last_idnum) |
df6a7ff7 PB |
1084 | export_marks(export_filename); |
1085 | ||
82670a5c SR |
1086 | if (use_done_feature) |
1087 | printf("done\n"); | |
1088 | ||
03e9010c FC |
1089 | free_refspec(refspecs_nr, refspecs); |
1090 | ||
f2dc849e JS |
1091 | return 0; |
1092 | } |