Git fork
1#define USE_THE_REPOSITORY_VARIABLE
2#define DISABLE_SIGN_COMPARE_WARNINGS
3
4#include "builtin.h"
5#include "config.h"
6#include "commit.h"
7#include "diff.h"
8#include "environment.h"
9#include "gettext.h"
10#include "hex.h"
11#include "revision.h"
12#include "list-objects.h"
13#include "list-objects-filter-options.h"
14#include "object.h"
15#include "object-name.h"
16#include "object-file.h"
17#include "odb.h"
18#include "pack-bitmap.h"
19#include "parse-options.h"
20#include "log-tree.h"
21#include "graph.h"
22#include "bisect.h"
23#include "progress.h"
24#include "reflog-walk.h"
25#include "oidset.h"
26#include "oidmap.h"
27#include "packfile.h"
28#include "quote.h"
29#include "strbuf.h"
30
31struct rev_list_info {
32 struct rev_info *revs;
33 int flags;
34 int show_timestamp;
35 int hdr_termination;
36 const char *header_prefix;
37};
38
39static const char rev_list_usage[] =
40"git rev-list [<options>] <commit>... [--] [<path>...]\n"
41"\n"
42" limiting output:\n"
43" --max-count=<n>\n"
44" --max-age=<epoch>\n"
45" --min-age=<epoch>\n"
46" --sparse\n"
47" --no-merges\n"
48" --min-parents=<n>\n"
49" --no-min-parents\n"
50" --max-parents=<n>\n"
51" --no-max-parents\n"
52" --remove-empty\n"
53" --all\n"
54" --branches\n"
55" --tags\n"
56" --remotes\n"
57" --stdin\n"
58" --exclude-hidden=[fetch|receive|uploadpack]\n"
59" --quiet\n"
60" ordering output:\n"
61" --topo-order\n"
62" --date-order\n"
63" --reverse\n"
64" formatting output:\n"
65" --parents\n"
66" --children\n"
67" --objects | --objects-edge\n"
68" --disk-usage[=human]\n"
69" --unpacked\n"
70" --header | --pretty\n"
71" --[no-]object-names\n"
72" --abbrev=<n> | --no-abbrev\n"
73" --abbrev-commit\n"
74" --left-right\n"
75" --count\n"
76" -z\n"
77" special purpose:\n"
78" --bisect\n"
79" --bisect-vars\n"
80" --bisect-all"
81;
82
83static struct progress *progress;
84static unsigned progress_counter;
85
86static struct oidset omitted_objects;
87static int arg_print_omitted; /* print objects omitted by filter */
88
89struct missing_objects_map_entry {
90 struct oidmap_entry entry;
91 const char *path;
92 unsigned type;
93};
94static struct oidmap missing_objects;
95enum missing_action {
96 MA_ERROR = 0, /* fail if any missing objects are encountered */
97 MA_ALLOW_ANY, /* silently allow ALL missing objects */
98 MA_PRINT, /* print ALL missing objects in special section */
99 MA_PRINT_INFO, /* same as MA_PRINT but also prints missing object info */
100 MA_ALLOW_PROMISOR, /* silently allow all missing PROMISOR objects */
101};
102static enum missing_action arg_missing_action;
103
104/* display only the oid of each object encountered */
105static int arg_show_object_names = 1;
106
107#define DEFAULT_OIDSET_SIZE (16*1024)
108
109static char line_term = '\n';
110static char info_term = ' ';
111
112static int show_disk_usage;
113static off_t total_disk_usage;
114static int human_readable;
115
116static off_t get_object_disk_usage(struct object *obj)
117{
118 off_t size;
119 struct object_info oi = OBJECT_INFO_INIT;
120 oi.disk_sizep = &size;
121 if (odb_read_object_info_extended(the_repository->objects,
122 &obj->oid, &oi, 0) < 0)
123 die(_("unable to get disk usage of %s"), oid_to_hex(&obj->oid));
124 return size;
125}
126
127static void add_missing_object_entry(struct object_id *oid, const char *path,
128 unsigned type)
129{
130 struct missing_objects_map_entry *entry;
131
132 if (oidmap_get(&missing_objects, oid))
133 return;
134
135 CALLOC_ARRAY(entry, 1);
136 entry->entry.oid = *oid;
137 entry->type = type;
138 if (path)
139 entry->path = xstrdup(path);
140 oidmap_put(&missing_objects, entry);
141}
142
143static void print_missing_object(struct missing_objects_map_entry *entry,
144 int print_missing_info)
145{
146 struct strbuf sb = STRBUF_INIT;
147
148 if (line_term)
149 printf("?%s", oid_to_hex(&entry->entry.oid));
150 else
151 printf("%s%cmissing=yes", oid_to_hex(&entry->entry.oid),
152 info_term);
153
154 if (!print_missing_info) {
155 putchar(line_term);
156 return;
157 }
158
159 if (entry->path && *entry->path) {
160 strbuf_addf(&sb, "%cpath=", info_term);
161
162 if (line_term) {
163 struct strbuf path = STRBUF_INIT;
164
165 quote_path(entry->path, NULL, &path, QUOTE_PATH_QUOTE_SP);
166 strbuf_addbuf(&sb, &path);
167
168 strbuf_release(&path);
169 } else {
170 strbuf_addstr(&sb, entry->path);
171 }
172 }
173 if (entry->type)
174 strbuf_addf(&sb, "%ctype=%s", info_term, type_name(entry->type));
175
176 fwrite(sb.buf, sizeof(char), sb.len, stdout);
177 putchar(line_term);
178
179 strbuf_release(&sb);
180}
181
182static inline void finish_object__ma(struct object *obj, const char *name)
183{
184 /*
185 * Whether or not we try to dynamically fetch missing objects
186 * from the server, we currently DO NOT have the object. We
187 * can either print, allow (ignore), or conditionally allow
188 * (ignore) them.
189 */
190 switch (arg_missing_action) {
191 case MA_ERROR:
192 die("missing %s object '%s'",
193 type_name(obj->type), oid_to_hex(&obj->oid));
194 return;
195
196 case MA_ALLOW_ANY:
197 return;
198
199 case MA_PRINT:
200 case MA_PRINT_INFO:
201 add_missing_object_entry(&obj->oid, name, obj->type);
202 return;
203
204 case MA_ALLOW_PROMISOR:
205 if (is_promisor_object(the_repository, &obj->oid))
206 return;
207 die("unexpected missing %s object '%s'",
208 type_name(obj->type), oid_to_hex(&obj->oid));
209 return;
210
211 default:
212 BUG("unhandled missing_action");
213 return;
214 }
215}
216
217static void finish_commit(struct commit *commit)
218{
219 free_commit_list(commit->parents);
220 commit->parents = NULL;
221 free_commit_buffer(the_repository->parsed_objects,
222 commit);
223}
224
225static void show_commit(struct commit *commit, void *data)
226{
227 struct rev_list_info *info = data;
228 struct rev_info *revs = info->revs;
229
230 display_progress(progress, ++progress_counter);
231
232 if (revs->do_not_die_on_missing_objects &&
233 oidset_contains(&revs->missing_commits, &commit->object.oid)) {
234 finish_object__ma(&commit->object, NULL);
235 return;
236 }
237
238 if (show_disk_usage)
239 total_disk_usage += get_object_disk_usage(&commit->object);
240
241 if (info->flags & REV_LIST_QUIET) {
242 finish_commit(commit);
243 return;
244 }
245
246 graph_show_commit(revs->graph);
247
248 if (revs->count) {
249 if (commit->object.flags & PATCHSAME)
250 revs->count_same++;
251 else if (commit->object.flags & SYMMETRIC_LEFT)
252 revs->count_left++;
253 else
254 revs->count_right++;
255 finish_commit(commit);
256 return;
257 }
258
259 if (info->show_timestamp)
260 printf("%"PRItime" ", commit->date);
261 if (info->header_prefix)
262 fputs(info->header_prefix, stdout);
263
264 if (revs->include_header) {
265 if (!revs->graph && line_term)
266 fputs(get_revision_mark(revs, commit), stdout);
267 if (revs->abbrev_commit && revs->abbrev)
268 fputs(repo_find_unique_abbrev(the_repository, &commit->object.oid, revs->abbrev),
269 stdout);
270 else
271 fputs(oid_to_hex(&commit->object.oid), stdout);
272
273 if (!line_term) {
274 if (commit->object.flags & BOUNDARY)
275 printf("%cboundary=yes", info_term);
276 }
277 }
278 if (revs->print_parents) {
279 struct commit_list *parents = commit->parents;
280 while (parents) {
281 printf(" %s", oid_to_hex(&parents->item->object.oid));
282 parents = parents->next;
283 }
284 }
285 if (revs->children.name) {
286 struct commit_list *children;
287
288 children = lookup_decoration(&revs->children, &commit->object);
289 while (children) {
290 printf(" %s", oid_to_hex(&children->item->object.oid));
291 children = children->next;
292 }
293 }
294 show_decorations(revs, commit);
295 if (revs->commit_format == CMIT_FMT_ONELINE)
296 putchar(' ');
297 else if (revs->include_header)
298 putchar(line_term);
299
300 if (revs->verbose_header) {
301 struct strbuf buf = STRBUF_INIT;
302 struct pretty_print_context ctx = {0};
303 ctx.abbrev = revs->abbrev;
304 ctx.date_mode = revs->date_mode;
305 ctx.date_mode_explicit = revs->date_mode_explicit;
306 ctx.fmt = revs->commit_format;
307 ctx.output_encoding = get_log_output_encoding();
308 ctx.color = revs->diffopt.use_color;
309 ctx.rev = revs;
310 pretty_print_commit(&ctx, commit, &buf);
311 if (buf.len) {
312 if (revs->commit_format != CMIT_FMT_ONELINE)
313 graph_show_oneline(revs->graph);
314
315 graph_show_commit_msg(revs->graph, stdout, &buf);
316
317 /*
318 * Add a newline after the commit message.
319 *
320 * Usually, this newline produces a blank
321 * padding line between entries, in which case
322 * we need to add graph padding on this line.
323 *
324 * However, the commit message may not end in a
325 * newline. In this case the newline simply
326 * ends the last line of the commit message,
327 * and we don't need any graph output. (This
328 * always happens with CMIT_FMT_ONELINE, and it
329 * happens with CMIT_FMT_USERFORMAT when the
330 * format doesn't explicitly end in a newline.)
331 */
332 if (buf.len && buf.buf[buf.len - 1] == '\n')
333 graph_show_padding(revs->graph);
334 putchar(info->hdr_termination);
335 } else {
336 /*
337 * If the message buffer is empty, just show
338 * the rest of the graph output for this
339 * commit.
340 */
341 if (graph_show_remainder(revs->graph))
342 putchar('\n');
343 if (revs->commit_format == CMIT_FMT_ONELINE)
344 putchar('\n');
345 }
346 strbuf_release(&buf);
347 } else {
348 if (graph_show_remainder(revs->graph))
349 putchar('\n');
350 }
351 maybe_flush_or_die(stdout, "stdout");
352 finish_commit(commit);
353}
354
355static int finish_object(struct object *obj, const char *name, void *cb_data)
356{
357 struct rev_list_info *info = cb_data;
358 if (odb_read_object_info_extended(the_repository->objects,
359 &obj->oid, NULL, 0) < 0) {
360 finish_object__ma(obj, name);
361 return 1;
362 }
363 if (info->revs->verify_objects && !obj->parsed && obj->type != OBJ_COMMIT)
364 parse_object(the_repository, &obj->oid);
365 return 0;
366}
367
368static void show_object(struct object *obj, const char *name, void *cb_data)
369{
370 struct rev_list_info *info = cb_data;
371 struct rev_info *revs = info->revs;
372
373 if (finish_object(obj, name, cb_data))
374 return;
375 display_progress(progress, ++progress_counter);
376 if (show_disk_usage)
377 total_disk_usage += get_object_disk_usage(obj);
378 if (info->flags & REV_LIST_QUIET)
379 return;
380
381 if (revs->count) {
382 /*
383 * The object count is always accumulated in the .count_right
384 * field for traversal that is not a left-right traversal,
385 * and cmd_rev_list() made sure that a .count request that
386 * wants to count non-commit objects, which is handled by
387 * the show_object() callback, does not ask for .left_right.
388 */
389 revs->count_right++;
390 return;
391 }
392
393 printf("%s", oid_to_hex(&obj->oid));
394
395 if (arg_show_object_names) {
396 if (line_term) {
397 putchar(info_term);
398 for (const char *p = name; *p && *p != '\n'; p++)
399 putchar(*p);
400 } else if (*name) {
401 printf("%cpath=%s", info_term, name);
402 }
403 }
404
405 putchar(line_term);
406}
407
408static void show_edge(struct commit *commit)
409{
410 printf("-%s\n", oid_to_hex(&commit->object.oid));
411}
412
413static void print_var_str(const char *var, const char *val)
414{
415 printf("%s='%s'\n", var, val);
416}
417
418static void print_var_int(const char *var, int val)
419{
420 printf("%s=%d\n", var, val);
421}
422
423static int show_bisect_vars(struct rev_list_info *info, int reaches, int all)
424{
425 int cnt, flags = info->flags;
426 char hex[GIT_MAX_HEXSZ + 1] = "";
427 struct commit_list *tried;
428 struct rev_info *revs = info->revs;
429
430 if (!revs->commits)
431 return 1;
432
433 revs->commits = filter_skipped(revs->commits, &tried,
434 flags & BISECT_SHOW_ALL,
435 NULL, NULL);
436
437 /*
438 * revs->commits can reach "reaches" commits among
439 * "all" commits. If it is good, then there are
440 * (all-reaches) commits left to be bisected.
441 * On the other hand, if it is bad, then the set
442 * to bisect is "reaches".
443 * A bisect set of size N has (N-1) commits further
444 * to test, as we already know one bad one.
445 */
446 cnt = all - reaches;
447 if (cnt < reaches)
448 cnt = reaches;
449
450 if (revs->commits)
451 oid_to_hex_r(hex, &revs->commits->item->object.oid);
452
453 if (flags & BISECT_SHOW_ALL) {
454 traverse_commit_list(revs, show_commit, show_object, info);
455 printf("------\n");
456 }
457
458 print_var_str("bisect_rev", hex);
459 print_var_int("bisect_nr", cnt - 1);
460 print_var_int("bisect_good", all - reaches - 1);
461 print_var_int("bisect_bad", reaches - 1);
462 print_var_int("bisect_all", all);
463 print_var_int("bisect_steps", estimate_bisect_steps(all));
464
465 return 0;
466}
467
468static int show_object_fast(
469 const struct object_id *oid,
470 enum object_type type UNUSED,
471 int exclude UNUSED,
472 uint32_t name_hash UNUSED,
473 struct packed_git *found_pack UNUSED,
474 off_t found_offset UNUSED,
475 void *payload UNUSED)
476{
477 fprintf(stdout, "%s\n", oid_to_hex(oid));
478 return 1;
479}
480
481static void print_disk_usage(off_t size)
482{
483 struct strbuf sb = STRBUF_INIT;
484 if (human_readable)
485 strbuf_humanise_bytes(&sb, size);
486 else
487 strbuf_addf(&sb, "%"PRIuMAX, (uintmax_t)size);
488 puts(sb.buf);
489 strbuf_release(&sb);
490}
491
492static inline int parse_missing_action_value(const char *value)
493{
494 if (!strcmp(value, "error")) {
495 arg_missing_action = MA_ERROR;
496 return 1;
497 }
498
499 if (!strcmp(value, "allow-any")) {
500 arg_missing_action = MA_ALLOW_ANY;
501 fetch_if_missing = 0;
502 return 1;
503 }
504
505 if (!strcmp(value, "print")) {
506 arg_missing_action = MA_PRINT;
507 fetch_if_missing = 0;
508 return 1;
509 }
510
511 if (!strcmp(value, "print-info")) {
512 arg_missing_action = MA_PRINT_INFO;
513 fetch_if_missing = 0;
514 return 1;
515 }
516
517 if (!strcmp(value, "allow-promisor")) {
518 arg_missing_action = MA_ALLOW_PROMISOR;
519 fetch_if_missing = 0;
520 return 1;
521 }
522
523 return 0;
524}
525
526static int try_bitmap_count(struct rev_info *revs,
527 int filter_provided_objects)
528{
529 uint32_t commit_count = 0,
530 tag_count = 0,
531 tree_count = 0,
532 blob_count = 0;
533 int max_count;
534 struct bitmap_index *bitmap_git;
535
536 /* This function only handles counting, not general traversal. */
537 if (!revs->count)
538 return -1;
539
540 /*
541 * A bitmap result can't know left/right, etc, because we don't
542 * actually traverse.
543 */
544 if (revs->left_right || revs->cherry_mark)
545 return -1;
546
547 /*
548 * If we're counting reachable objects, we can't handle a max count of
549 * commits to traverse, since we don't know which objects go with which
550 * commit.
551 */
552 if (revs->max_count >= 0 &&
553 (revs->tag_objects || revs->tree_objects || revs->blob_objects))
554 return -1;
555
556 /*
557 * This must be saved before doing any walking, since the revision
558 * machinery will count it down to zero while traversing.
559 */
560 max_count = revs->max_count;
561
562 bitmap_git = prepare_bitmap_walk(revs, filter_provided_objects);
563 if (!bitmap_git)
564 return -1;
565
566 count_bitmap_commit_list(bitmap_git, &commit_count,
567 revs->tree_objects ? &tree_count : NULL,
568 revs->blob_objects ? &blob_count : NULL,
569 revs->tag_objects ? &tag_count : NULL);
570 if (max_count >= 0 && max_count < commit_count)
571 commit_count = max_count;
572
573 printf("%d\n", commit_count + tree_count + blob_count + tag_count);
574 free_bitmap_index(bitmap_git);
575 return 0;
576}
577
578static int try_bitmap_traversal(struct rev_info *revs,
579 int filter_provided_objects)
580{
581 struct bitmap_index *bitmap_git;
582
583 /*
584 * We can't use a bitmap result with a traversal limit, since the set
585 * of commits we'd get would be essentially random.
586 */
587 if (revs->max_count >= 0)
588 return -1;
589
590 /*
591 * We can't know which commits were left/right in a single traversal,
592 * and we don't yet know how to traverse them separately.
593 */
594 if (revs->left_right)
595 return -1;
596
597 bitmap_git = prepare_bitmap_walk(revs, filter_provided_objects);
598 if (!bitmap_git)
599 return -1;
600
601 traverse_bitmap_commit_list(bitmap_git, revs, &show_object_fast);
602 free_bitmap_index(bitmap_git);
603 return 0;
604}
605
606static int try_bitmap_disk_usage(struct rev_info *revs,
607 int filter_provided_objects)
608{
609 struct bitmap_index *bitmap_git;
610 off_t size_from_bitmap;
611
612 if (!show_disk_usage)
613 return -1;
614
615 bitmap_git = prepare_bitmap_walk(revs, filter_provided_objects);
616 if (!bitmap_git)
617 return -1;
618
619 size_from_bitmap = get_disk_usage_from_bitmap(bitmap_git, revs);
620 print_disk_usage(size_from_bitmap);
621
622 free_bitmap_index(bitmap_git);
623 return 0;
624}
625
626int cmd_rev_list(int argc,
627 const char **argv,
628 const char *prefix,
629 struct repository *repo UNUSED)
630{
631 struct rev_info revs;
632 struct rev_list_info info;
633 struct setup_revision_opt s_r_opt = {
634 .allow_exclude_promisor_objects = 1,
635 };
636 int i;
637 int bisect_list = 0;
638 int bisect_show_vars = 0;
639 int bisect_find_all = 0;
640 int use_bitmap_index = 0;
641 int filter_provided_objects = 0;
642 const char *show_progress = NULL;
643 int ret = 0;
644
645 show_usage_if_asked(argc, argv, rev_list_usage);
646
647 repo_config(the_repository, git_default_config, NULL);
648 repo_init_revisions(the_repository, &revs, prefix);
649 revs.abbrev = DEFAULT_ABBREV;
650 revs.commit_format = CMIT_FMT_UNSPECIFIED;
651 revs.include_header = 1;
652
653 /*
654 * Scan the argument list before invoking setup_revisions(), so that we
655 * know if fetch_if_missing needs to be set to 0.
656 *
657 * "--exclude-promisor-objects" acts as a pre-filter on missing objects
658 * by not crossing the boundary from realized objects to promisor
659 * objects.
660 *
661 * Let "--missing" to conditionally set fetch_if_missing.
662 */
663
664 /*
665 * NEEDSWORK: The next loop is utterly broken. It tries to
666 * notice an option is used, but without understanding if each
667 * option takes an argument, which fundamentally would not
668 * work. It would not know "--grep
669 * --exclude-promisor-objects" is not triggering
670 * "--exclude-promisor-objects" option, for example.
671 *
672 * We really need setup_revisions() to have a mechanism to
673 * allow and disallow some sets of options for different
674 * commands (like rev-list, replay, etc). Such a mechanism
675 * should do an early parsing of options and be able to manage
676 * the `--missing=...` and `--exclude-promisor-objects`
677 * options below.
678 */
679 for (i = 1; i < argc; i++) {
680 const char *arg = argv[i];
681 if (!strcmp(arg, "--exclude-promisor-objects")) {
682 fetch_if_missing = 0;
683 revs.exclude_promisor_objects = 1;
684 } else if (skip_prefix(arg, "--missing=", &arg)) {
685 parse_missing_action_value(arg);
686 } else if (!strcmp(arg, "-z")) {
687 line_term = '\0';
688 info_term = '\0';
689 }
690 }
691
692 die_for_incompatible_opt2(revs.exclude_promisor_objects,
693 "--exclude_promisor_objects",
694 arg_missing_action, "--missing");
695
696 if (arg_missing_action)
697 revs.do_not_die_on_missing_objects = 1;
698
699 argc = setup_revisions(argc, argv, &revs, &s_r_opt);
700
701 memset(&info, 0, sizeof(info));
702 info.revs = &revs;
703 if (revs.bisect)
704 bisect_list = 1;
705
706 if (revs.diffopt.flags.quick)
707 info.flags |= REV_LIST_QUIET;
708 for (i = 1 ; i < argc; i++) {
709 const char *arg = argv[i];
710
711 if (!strcmp(arg, "--header")) {
712 revs.verbose_header = 1;
713 continue;
714 }
715 if (!strcmp(arg, "--timestamp")) {
716 info.show_timestamp = 1;
717 continue;
718 }
719 if (!strcmp(arg, "--bisect")) {
720 bisect_list = 1;
721 continue;
722 }
723 if (!strcmp(arg, "--bisect-all")) {
724 bisect_list = 1;
725 bisect_find_all = 1;
726 info.flags |= BISECT_SHOW_ALL;
727 revs.show_decorations = 1;
728 continue;
729 }
730 if (!strcmp(arg, "--bisect-vars")) {
731 bisect_list = 1;
732 bisect_show_vars = 1;
733 continue;
734 }
735 if (!strcmp(arg, "--use-bitmap-index")) {
736 use_bitmap_index = 1;
737 continue;
738 }
739 if (!strcmp(arg, "--test-bitmap")) {
740 test_bitmap_walk(&revs);
741 goto cleanup;
742 }
743 if (skip_prefix(arg, "--progress=", &arg)) {
744 show_progress = arg;
745 continue;
746 }
747 if (!strcmp(arg, "--filter-provided-objects")) {
748 filter_provided_objects = 1;
749 continue;
750 }
751 if (!strcmp(arg, "--filter-print-omitted")) {
752 arg_print_omitted = 1;
753 continue;
754 }
755
756 if (!strcmp(arg, "--exclude-promisor-objects"))
757 continue; /* already handled above */
758 if (skip_prefix(arg, "--missing=", &arg))
759 continue; /* already handled above */
760
761 if (!strcmp(arg, ("--no-object-names"))) {
762 arg_show_object_names = 0;
763 continue;
764 }
765
766 if (!strcmp(arg, ("--object-names"))) {
767 arg_show_object_names = 1;
768 continue;
769 }
770
771 if (!strcmp(arg, ("--commit-header"))) {
772 revs.include_header = 1;
773 continue;
774 }
775
776 if (!strcmp(arg, ("--no-commit-header"))) {
777 revs.include_header = 0;
778 continue;
779 }
780
781 if (skip_prefix(arg, "--disk-usage", &arg)) {
782 if (*arg == '=') {
783 if (!strcmp(++arg, "human")) {
784 human_readable = 1;
785 } else
786 die(_("invalid value for '%s': '%s', the only allowed format is '%s'"),
787 "--disk-usage=<format>", arg, "human");
788 } else if (*arg) {
789 /*
790 * Arguably should goto a label to continue chain of ifs?
791 * Doesn't matter unless we try to add --disk-usage-foo
792 * afterwards.
793 */
794 usage(rev_list_usage);
795 }
796 show_disk_usage = 1;
797 info.flags |= REV_LIST_QUIET;
798 continue;
799 }
800
801 usage(rev_list_usage);
802
803 }
804
805 /*
806 * Reject options currently incompatible with -z. For some options, this
807 * is not an inherent limitation and support may be implemented in the
808 * future.
809 */
810 if (!line_term) {
811 if (revs.graph || revs.verbose_header || show_disk_usage ||
812 info.show_timestamp || info.header_prefix || bisect_list ||
813 use_bitmap_index || revs.edge_hint || revs.left_right ||
814 revs.cherry_mark)
815 die(_("-z option used with unsupported option"));
816 }
817
818 if (revs.commit_format != CMIT_FMT_USERFORMAT)
819 revs.include_header = 1;
820 if (revs.commit_format != CMIT_FMT_UNSPECIFIED) {
821 /* The command line has a --pretty */
822 info.hdr_termination = '\n';
823 if (revs.commit_format == CMIT_FMT_ONELINE || !revs.include_header)
824 info.header_prefix = "";
825 else
826 info.header_prefix = "commit ";
827 }
828 else if (revs.verbose_header)
829 /* Only --header was specified */
830 revs.commit_format = CMIT_FMT_RAW;
831
832 if ((!revs.commits && reflog_walk_empty(revs.reflog_info) &&
833 (!(revs.tag_objects || revs.tree_objects || revs.blob_objects) &&
834 !revs.pending.nr) &&
835 !revs.rev_input_given && !revs.read_from_stdin) ||
836 revs.diff)
837 usage(rev_list_usage);
838
839 if (revs.show_notes)
840 die(_("rev-list does not support display of notes"));
841
842 if (revs.count &&
843 (revs.tag_objects || revs.tree_objects || revs.blob_objects) &&
844 (revs.left_right || revs.cherry_mark))
845 die(_("marked counting and '%s' cannot be used together"), "--objects");
846
847 save_commit_buffer = (revs.verbose_header ||
848 revs.grep_filter.pattern_list ||
849 revs.grep_filter.header_list);
850 if (bisect_list)
851 revs.limited = 1;
852
853 if (show_progress)
854 progress = start_delayed_progress(the_repository,
855 show_progress, 0);
856
857 if (use_bitmap_index) {
858 if (!try_bitmap_count(&revs, filter_provided_objects))
859 goto cleanup;
860 if (!try_bitmap_disk_usage(&revs, filter_provided_objects))
861 goto cleanup;
862 if (!try_bitmap_traversal(&revs, filter_provided_objects))
863 goto cleanup;
864 }
865
866 if (prepare_revision_walk(&revs))
867 die("revision walk setup failed");
868 if (revs.tree_objects)
869 mark_edges_uninteresting(&revs, show_edge, 0);
870
871 if (bisect_list) {
872 int reaches, all;
873 unsigned bisect_flags = 0;
874
875 if (bisect_find_all)
876 bisect_flags |= FIND_BISECTION_ALL;
877
878 if (revs.first_parent_only)
879 bisect_flags |= FIND_BISECTION_FIRST_PARENT_ONLY;
880
881 find_bisection(&revs.commits, &reaches, &all, bisect_flags);
882
883 if (bisect_show_vars) {
884 ret = show_bisect_vars(&info, reaches, all);
885 goto cleanup;
886 }
887 }
888
889 if (filter_provided_objects) {
890 struct commit_list *c;
891 for (i = 0; i < revs.pending.nr; i++) {
892 struct object_array_entry *pending = revs.pending.objects + i;
893 pending->item->flags |= NOT_USER_GIVEN;
894 }
895 for (c = revs.commits; c; c = c->next)
896 c->item->object.flags |= NOT_USER_GIVEN;
897 }
898
899 if (arg_print_omitted)
900 oidset_init(&omitted_objects, DEFAULT_OIDSET_SIZE);
901 if (arg_missing_action == MA_PRINT ||
902 arg_missing_action == MA_PRINT_INFO) {
903 struct oidset_iter iter;
904 struct object_id *oid;
905
906 oidmap_init(&missing_objects, DEFAULT_OIDSET_SIZE);
907 oidset_iter_init(&revs.missing_commits, &iter);
908
909 /* Add missing tips */
910 while ((oid = oidset_iter_next(&iter)))
911 add_missing_object_entry(oid, NULL, 0);
912
913 oidset_clear(&revs.missing_commits);
914 }
915
916 traverse_commit_list_filtered(
917 &revs, show_commit, show_object, &info,
918 (arg_print_omitted ? &omitted_objects : NULL));
919
920 if (arg_print_omitted) {
921 struct oidset_iter iter;
922 struct object_id *oid;
923 oidset_iter_init(&omitted_objects, &iter);
924 while ((oid = oidset_iter_next(&iter)))
925 printf("~%s\n", oid_to_hex(oid));
926 oidset_clear(&omitted_objects);
927 }
928 if (arg_missing_action == MA_PRINT ||
929 arg_missing_action == MA_PRINT_INFO) {
930 struct missing_objects_map_entry *entry;
931 struct oidmap_iter iter;
932
933 oidmap_iter_init(&missing_objects, &iter);
934
935 while ((entry = oidmap_iter_next(&iter))) {
936 print_missing_object(entry, arg_missing_action ==
937 MA_PRINT_INFO);
938 free((void *)entry->path);
939 }
940
941 oidmap_clear(&missing_objects, true);
942 }
943
944 stop_progress(&progress);
945
946 if (revs.count) {
947 if (revs.left_right && revs.cherry_mark)
948 printf("%d\t%d\t%d\n", revs.count_left, revs.count_right, revs.count_same);
949 else if (revs.left_right)
950 printf("%d\t%d\n", revs.count_left, revs.count_right);
951 else if (revs.cherry_mark)
952 printf("%d\t%d\n", revs.count_left + revs.count_right, revs.count_same);
953 else
954 printf("%d\n", revs.count_left + revs.count_right);
955 }
956
957 if (show_disk_usage)
958 print_disk_usage(total_disk_usage);
959
960cleanup:
961 release_revisions(&revs);
962 return ret;
963}