6 #include "list-objects.h"
7 #include "list-objects-filter.h"
8 #include "list-objects-filter-options.h"
10 #include "object-store.h"
12 #include "pack-bitmap.h"
18 #include "reflog-walk.h"
22 static const char rev_list_usage
[] =
23 "git rev-list [OPTION] <commit-id>... [ -- paths... ]\n"
26 " --max-age=<epoch>\n"
27 " --min-age=<epoch>\n"
30 " --min-parents=<n>\n"
32 " --max-parents=<n>\n"
45 " formatting output:\n"
48 " --objects | --objects-edge\n"
50 " --header | --pretty\n"
51 " --[no-]object-names\n"
52 " --abbrev=<n> | --no-abbrev\n"
62 static struct progress
*progress
;
63 static unsigned progress_counter
;
65 static struct list_objects_filter_options filter_options
;
66 static struct oidset omitted_objects
;
67 static int arg_print_omitted
; /* print objects omitted by filter */
69 static struct oidset missing_objects
;
71 MA_ERROR
= 0, /* fail if any missing objects are encountered */
72 MA_ALLOW_ANY
, /* silently allow ALL missing objects */
73 MA_PRINT
, /* print ALL missing objects in special section */
74 MA_ALLOW_PROMISOR
, /* silently allow all missing PROMISOR objects */
76 static enum missing_action arg_missing_action
;
78 /* display only the oid of each object encountered */
79 static int arg_show_object_names
= 1;
81 #define DEFAULT_OIDSET_SIZE (16*1024)
83 static int show_disk_usage
;
84 static off_t total_disk_usage
;
86 static off_t
get_object_disk_usage(struct object
*obj
)
89 struct object_info oi
= OBJECT_INFO_INIT
;
90 oi
.disk_sizep
= &size
;
91 if (oid_object_info_extended(the_repository
, &obj
->oid
, &oi
, 0) < 0)
92 die(_("unable to get disk usage of %s"), oid_to_hex(&obj
->oid
));
96 static void finish_commit(struct commit
*commit
);
97 static void show_commit(struct commit
*commit
, void *data
)
99 struct rev_list_info
*info
= data
;
100 struct rev_info
*revs
= info
->revs
;
102 display_progress(progress
, ++progress_counter
);
105 total_disk_usage
+= get_object_disk_usage(&commit
->object
);
107 if (info
->flags
& REV_LIST_QUIET
) {
108 finish_commit(commit
);
112 graph_show_commit(revs
->graph
);
115 if (commit
->object
.flags
& PATCHSAME
)
117 else if (commit
->object
.flags
& SYMMETRIC_LEFT
)
121 finish_commit(commit
);
125 if (info
->show_timestamp
)
126 printf("%"PRItime
" ", commit
->date
);
127 if (info
->header_prefix
)
128 fputs(info
->header_prefix
, stdout
);
131 fputs(get_revision_mark(revs
, commit
), stdout
);
132 if (revs
->abbrev_commit
&& revs
->abbrev
)
133 fputs(find_unique_abbrev(&commit
->object
.oid
, revs
->abbrev
),
136 fputs(oid_to_hex(&commit
->object
.oid
), stdout
);
137 if (revs
->print_parents
) {
138 struct commit_list
*parents
= commit
->parents
;
140 printf(" %s", oid_to_hex(&parents
->item
->object
.oid
));
141 parents
= parents
->next
;
144 if (revs
->children
.name
) {
145 struct commit_list
*children
;
147 children
= lookup_decoration(&revs
->children
, &commit
->object
);
149 printf(" %s", oid_to_hex(&children
->item
->object
.oid
));
150 children
= children
->next
;
153 show_decorations(revs
, commit
);
154 if (revs
->commit_format
== CMIT_FMT_ONELINE
)
159 if (revs
->verbose_header
) {
160 struct strbuf buf
= STRBUF_INIT
;
161 struct pretty_print_context ctx
= {0};
162 ctx
.abbrev
= revs
->abbrev
;
163 ctx
.date_mode
= revs
->date_mode
;
164 ctx
.date_mode_explicit
= revs
->date_mode_explicit
;
165 ctx
.fmt
= revs
->commit_format
;
166 ctx
.output_encoding
= get_log_output_encoding();
167 ctx
.color
= revs
->diffopt
.use_color
;
168 pretty_print_commit(&ctx
, commit
, &buf
);
170 if (revs
->commit_format
!= CMIT_FMT_ONELINE
)
171 graph_show_oneline(revs
->graph
);
173 graph_show_commit_msg(revs
->graph
, stdout
, &buf
);
176 * Add a newline after the commit message.
178 * Usually, this newline produces a blank
179 * padding line between entries, in which case
180 * we need to add graph padding on this line.
182 * However, the commit message may not end in a
183 * newline. In this case the newline simply
184 * ends the last line of the commit message,
185 * and we don't need any graph output. (This
186 * always happens with CMIT_FMT_ONELINE, and it
187 * happens with CMIT_FMT_USERFORMAT when the
188 * format doesn't explicitly end in a newline.)
190 if (buf
.len
&& buf
.buf
[buf
.len
- 1] == '\n')
191 graph_show_padding(revs
->graph
);
192 putchar(info
->hdr_termination
);
195 * If the message buffer is empty, just show
196 * the rest of the graph output for this
199 if (graph_show_remainder(revs
->graph
))
201 if (revs
->commit_format
== CMIT_FMT_ONELINE
)
204 strbuf_release(&buf
);
206 if (graph_show_remainder(revs
->graph
))
209 maybe_flush_or_die(stdout
, "stdout");
210 finish_commit(commit
);
213 static void finish_commit(struct commit
*commit
)
215 if (commit
->parents
) {
216 free_commit_list(commit
->parents
);
217 commit
->parents
= NULL
;
219 free_commit_buffer(the_repository
->parsed_objects
,
223 static inline void finish_object__ma(struct object
*obj
)
226 * Whether or not we try to dynamically fetch missing objects
227 * from the server, we currently DO NOT have the object. We
228 * can either print, allow (ignore), or conditionally allow
231 switch (arg_missing_action
) {
233 die("missing %s object '%s'",
234 type_name(obj
->type
), oid_to_hex(&obj
->oid
));
241 oidset_insert(&missing_objects
, &obj
->oid
);
244 case MA_ALLOW_PROMISOR
:
245 if (is_promisor_object(&obj
->oid
))
247 die("unexpected missing %s object '%s'",
248 type_name(obj
->type
), oid_to_hex(&obj
->oid
));
252 BUG("unhandled missing_action");
257 static int finish_object(struct object
*obj
, const char *name
, void *cb_data
)
259 struct rev_list_info
*info
= cb_data
;
260 if (oid_object_info_extended(the_repository
, &obj
->oid
, NULL
, 0) < 0) {
261 finish_object__ma(obj
);
264 if (info
->revs
->verify_objects
&& !obj
->parsed
&& obj
->type
!= OBJ_COMMIT
)
265 parse_object(the_repository
, &obj
->oid
);
269 static void show_object(struct object
*obj
, const char *name
, void *cb_data
)
271 struct rev_list_info
*info
= cb_data
;
272 struct rev_info
*revs
= info
->revs
;
274 if (finish_object(obj
, name
, cb_data
))
276 display_progress(progress
, ++progress_counter
);
278 total_disk_usage
+= get_object_disk_usage(obj
);
279 if (info
->flags
& REV_LIST_QUIET
)
284 * The object count is always accumulated in the .count_right
285 * field for traversal that is not a left-right traversal,
286 * and cmd_rev_list() made sure that a .count request that
287 * wants to count non-commit objects, which is handled by
288 * the show_object() callback, does not ask for .left_right.
294 if (arg_show_object_names
)
295 show_object_with_name(stdout
, obj
, name
);
297 printf("%s\n", oid_to_hex(&obj
->oid
));
300 static void show_edge(struct commit
*commit
)
302 printf("-%s\n", oid_to_hex(&commit
->object
.oid
));
305 static void print_var_str(const char *var
, const char *val
)
307 printf("%s='%s'\n", var
, val
);
310 static void print_var_int(const char *var
, int val
)
312 printf("%s=%d\n", var
, val
);
315 static int show_bisect_vars(struct rev_list_info
*info
, int reaches
, int all
)
317 int cnt
, flags
= info
->flags
;
318 char hex
[GIT_MAX_HEXSZ
+ 1] = "";
319 struct commit_list
*tried
;
320 struct rev_info
*revs
= info
->revs
;
325 revs
->commits
= filter_skipped(revs
->commits
, &tried
,
326 flags
& BISECT_SHOW_ALL
,
330 * revs->commits can reach "reaches" commits among
331 * "all" commits. If it is good, then there are
332 * (all-reaches) commits left to be bisected.
333 * On the other hand, if it is bad, then the set
334 * to bisect is "reaches".
335 * A bisect set of size N has (N-1) commits further
336 * to test, as we already know one bad one.
343 oid_to_hex_r(hex
, &revs
->commits
->item
->object
.oid
);
345 if (flags
& BISECT_SHOW_ALL
) {
346 traverse_commit_list(revs
, show_commit
, show_object
, info
);
350 print_var_str("bisect_rev", hex
);
351 print_var_int("bisect_nr", cnt
- 1);
352 print_var_int("bisect_good", all
- reaches
- 1);
353 print_var_int("bisect_bad", reaches
- 1);
354 print_var_int("bisect_all", all
);
355 print_var_int("bisect_steps", estimate_bisect_steps(all
));
360 static int show_object_fast(
361 const struct object_id
*oid
,
362 enum object_type type
,
365 struct packed_git
*found_pack
,
368 fprintf(stdout
, "%s\n", oid_to_hex(oid
));
372 static inline int parse_missing_action_value(const char *value
)
374 if (!strcmp(value
, "error")) {
375 arg_missing_action
= MA_ERROR
;
379 if (!strcmp(value
, "allow-any")) {
380 arg_missing_action
= MA_ALLOW_ANY
;
381 fetch_if_missing
= 0;
385 if (!strcmp(value
, "print")) {
386 arg_missing_action
= MA_PRINT
;
387 fetch_if_missing
= 0;
391 if (!strcmp(value
, "allow-promisor")) {
392 arg_missing_action
= MA_ALLOW_PROMISOR
;
393 fetch_if_missing
= 0;
400 static int try_bitmap_count(struct rev_info
*revs
,
401 struct list_objects_filter_options
*filter
)
403 uint32_t commit_count
= 0,
408 struct bitmap_index
*bitmap_git
;
410 /* This function only handles counting, not general traversal. */
415 * A bitmap result can't know left/right, etc, because we don't
418 if (revs
->left_right
|| revs
->cherry_mark
)
422 * If we're counting reachable objects, we can't handle a max count of
423 * commits to traverse, since we don't know which objects go with which
426 if (revs
->max_count
>= 0 &&
427 (revs
->tag_objects
|| revs
->tree_objects
|| revs
->blob_objects
))
431 * This must be saved before doing any walking, since the revision
432 * machinery will count it down to zero while traversing.
434 max_count
= revs
->max_count
;
436 bitmap_git
= prepare_bitmap_walk(revs
, filter
);
440 count_bitmap_commit_list(bitmap_git
, &commit_count
,
441 revs
->tree_objects
? &tree_count
: NULL
,
442 revs
->blob_objects
? &blob_count
: NULL
,
443 revs
->tag_objects
? &tag_count
: NULL
);
444 if (max_count
>= 0 && max_count
< commit_count
)
445 commit_count
= max_count
;
447 printf("%d\n", commit_count
+ tree_count
+ blob_count
+ tag_count
);
448 free_bitmap_index(bitmap_git
);
452 static int try_bitmap_traversal(struct rev_info
*revs
,
453 struct list_objects_filter_options
*filter
)
455 struct bitmap_index
*bitmap_git
;
458 * We can't use a bitmap result with a traversal limit, since the set
459 * of commits we'd get would be essentially random.
461 if (revs
->max_count
>= 0)
464 bitmap_git
= prepare_bitmap_walk(revs
, filter
);
468 traverse_bitmap_commit_list(bitmap_git
, revs
, &show_object_fast
);
469 free_bitmap_index(bitmap_git
);
473 static int try_bitmap_disk_usage(struct rev_info
*revs
,
474 struct list_objects_filter_options
*filter
)
476 struct bitmap_index
*bitmap_git
;
478 if (!show_disk_usage
)
481 bitmap_git
= prepare_bitmap_walk(revs
, filter
);
485 printf("%"PRIuMAX
"\n",
486 (uintmax_t)get_disk_usage_from_bitmap(bitmap_git
, revs
));
490 int cmd_rev_list(int argc
, const char **argv
, const char *prefix
)
492 struct rev_info revs
;
493 struct rev_list_info info
;
494 struct setup_revision_opt s_r_opt
= {
495 .allow_exclude_promisor_objects
= 1,
499 int bisect_show_vars
= 0;
500 int bisect_find_all
= 0;
501 int use_bitmap_index
= 0;
502 const char *show_progress
= NULL
;
504 if (argc
== 2 && !strcmp(argv
[1], "-h"))
505 usage(rev_list_usage
);
507 git_config(git_default_config
, NULL
);
508 repo_init_revisions(the_repository
, &revs
, prefix
);
509 revs
.abbrev
= DEFAULT_ABBREV
;
510 revs
.commit_format
= CMIT_FMT_UNSPECIFIED
;
513 * Scan the argument list before invoking setup_revisions(), so that we
514 * know if fetch_if_missing needs to be set to 0.
516 * "--exclude-promisor-objects" acts as a pre-filter on missing objects
517 * by not crossing the boundary from realized objects to promisor
520 * Let "--missing" to conditionally set fetch_if_missing.
522 for (i
= 1; i
< argc
; i
++) {
523 const char *arg
= argv
[i
];
524 if (!strcmp(arg
, "--exclude-promisor-objects")) {
525 fetch_if_missing
= 0;
526 revs
.exclude_promisor_objects
= 1;
530 for (i
= 1; i
< argc
; i
++) {
531 const char *arg
= argv
[i
];
532 if (skip_prefix(arg
, "--missing=", &arg
)) {
533 if (revs
.exclude_promisor_objects
)
534 die(_("cannot combine --exclude-promisor-objects and --missing"));
535 if (parse_missing_action_value(arg
))
540 if (arg_missing_action
)
541 revs
.do_not_die_on_missing_tree
= 1;
543 argc
= setup_revisions(argc
, argv
, &revs
, &s_r_opt
);
545 memset(&info
, 0, sizeof(info
));
550 if (revs
.diffopt
.flags
.quick
)
551 info
.flags
|= REV_LIST_QUIET
;
552 for (i
= 1 ; i
< argc
; i
++) {
553 const char *arg
= argv
[i
];
555 if (!strcmp(arg
, "--header")) {
556 revs
.verbose_header
= 1;
559 if (!strcmp(arg
, "--timestamp")) {
560 info
.show_timestamp
= 1;
563 if (!strcmp(arg
, "--bisect")) {
567 if (!strcmp(arg
, "--bisect-all")) {
570 info
.flags
|= BISECT_SHOW_ALL
;
571 revs
.show_decorations
= 1;
574 if (!strcmp(arg
, "--bisect-vars")) {
576 bisect_show_vars
= 1;
579 if (!strcmp(arg
, "--use-bitmap-index")) {
580 use_bitmap_index
= 1;
583 if (!strcmp(arg
, "--test-bitmap")) {
584 test_bitmap_walk(&revs
);
587 if (skip_prefix(arg
, "--progress=", &arg
)) {
592 if (skip_prefix(arg
, ("--" CL_ARG__FILTER
"="), &arg
)) {
593 parse_list_objects_filter(&filter_options
, arg
);
594 if (filter_options
.choice
&& !revs
.blob_objects
)
595 die(_("object filtering requires --objects"));
598 if (!strcmp(arg
, ("--no-" CL_ARG__FILTER
))) {
599 list_objects_filter_set_no_filter(&filter_options
);
602 if (!strcmp(arg
, "--filter-print-omitted")) {
603 arg_print_omitted
= 1;
607 if (!strcmp(arg
, "--exclude-promisor-objects"))
608 continue; /* already handled above */
609 if (skip_prefix(arg
, "--missing=", &arg
))
610 continue; /* already handled above */
612 if (!strcmp(arg
, ("--no-object-names"))) {
613 arg_show_object_names
= 0;
617 if (!strcmp(arg
, ("--object-names"))) {
618 arg_show_object_names
= 1;
622 if (!strcmp(arg
, "--disk-usage")) {
624 info
.flags
|= REV_LIST_QUIET
;
628 usage(rev_list_usage
);
631 if (revs
.commit_format
!= CMIT_FMT_UNSPECIFIED
) {
632 /* The command line has a --pretty */
633 info
.hdr_termination
= '\n';
634 if (revs
.commit_format
== CMIT_FMT_ONELINE
)
635 info
.header_prefix
= "";
637 info
.header_prefix
= "commit ";
639 else if (revs
.verbose_header
)
640 /* Only --header was specified */
641 revs
.commit_format
= CMIT_FMT_RAW
;
643 if ((!revs
.commits
&& reflog_walk_empty(revs
.reflog_info
) &&
644 (!(revs
.tag_objects
|| revs
.tree_objects
|| revs
.blob_objects
) &&
646 !revs
.rev_input_given
&& !revs
.read_from_stdin
) ||
648 usage(rev_list_usage
);
651 die(_("rev-list does not support display of notes"));
654 (revs
.tag_objects
|| revs
.tree_objects
|| revs
.blob_objects
) &&
655 (revs
.left_right
|| revs
.cherry_mark
))
656 die(_("marked counting is incompatible with --objects"));
658 save_commit_buffer
= (revs
.verbose_header
||
659 revs
.grep_filter
.pattern_list
||
660 revs
.grep_filter
.header_list
);
665 progress
= start_delayed_progress(show_progress
, 0);
667 if (use_bitmap_index
) {
668 if (!try_bitmap_count(&revs
, &filter_options
))
670 if (!try_bitmap_disk_usage(&revs
, &filter_options
))
672 if (!try_bitmap_traversal(&revs
, &filter_options
))
676 if (prepare_revision_walk(&revs
))
677 die("revision walk setup failed");
678 if (revs
.tree_objects
)
679 mark_edges_uninteresting(&revs
, show_edge
, 0);
683 unsigned bisect_flags
= 0;
686 bisect_flags
|= FIND_BISECTION_ALL
;
688 if (revs
.first_parent_only
)
689 bisect_flags
|= FIND_BISECTION_FIRST_PARENT_ONLY
;
691 find_bisection(&revs
.commits
, &reaches
, &all
, bisect_flags
);
693 if (bisect_show_vars
)
694 return show_bisect_vars(&info
, reaches
, all
);
697 if (arg_print_omitted
)
698 oidset_init(&omitted_objects
, DEFAULT_OIDSET_SIZE
);
699 if (arg_missing_action
== MA_PRINT
)
700 oidset_init(&missing_objects
, DEFAULT_OIDSET_SIZE
);
702 traverse_commit_list_filtered(
703 &filter_options
, &revs
, show_commit
, show_object
, &info
,
704 (arg_print_omitted
? &omitted_objects
: NULL
));
706 if (arg_print_omitted
) {
707 struct oidset_iter iter
;
708 struct object_id
*oid
;
709 oidset_iter_init(&omitted_objects
, &iter
);
710 while ((oid
= oidset_iter_next(&iter
)))
711 printf("~%s\n", oid_to_hex(oid
));
712 oidset_clear(&omitted_objects
);
714 if (arg_missing_action
== MA_PRINT
) {
715 struct oidset_iter iter
;
716 struct object_id
*oid
;
717 oidset_iter_init(&missing_objects
, &iter
);
718 while ((oid
= oidset_iter_next(&iter
)))
719 printf("?%s\n", oid_to_hex(oid
));
720 oidset_clear(&missing_objects
);
723 stop_progress(&progress
);
726 if (revs
.left_right
&& revs
.cherry_mark
)
727 printf("%d\t%d\t%d\n", revs
.count_left
, revs
.count_right
, revs
.count_same
);
728 else if (revs
.left_right
)
729 printf("%d\t%d\n", revs
.count_left
, revs
.count_right
);
730 else if (revs
.cherry_mark
)
731 printf("%d\t%d\n", revs
.count_left
+ revs
.count_right
, revs
.count_same
);
733 printf("%d\n", revs
.count_left
+ revs
.count_right
);
737 printf("%"PRIuMAX
"\n", (uintmax_t)total_disk_usage
);