in builtin/rev-list.c [616:949]
int cmd_rev_list(int argc,
const char **argv,
const char *prefix,
struct repository *repo UNUSED)
{
struct rev_info revs;
struct rev_list_info info;
struct setup_revision_opt s_r_opt = {
.allow_exclude_promisor_objects = 1,
};
int i;
int bisect_list = 0;
int bisect_show_vars = 0;
int bisect_find_all = 0;
int use_bitmap_index = 0;
int filter_provided_objects = 0;
const char *show_progress = NULL;
int ret = 0;
show_usage_if_asked(argc, argv, rev_list_usage);
git_config(git_default_config, NULL);
repo_init_revisions(the_repository, &revs, prefix);
revs.abbrev = DEFAULT_ABBREV;
revs.commit_format = CMIT_FMT_UNSPECIFIED;
revs.include_header = 1;
/*
* Scan the argument list before invoking setup_revisions(), so that we
* know if fetch_if_missing needs to be set to 0.
*
* "--exclude-promisor-objects" acts as a pre-filter on missing objects
* by not crossing the boundary from realized objects to promisor
* objects.
*
* Let "--missing" to conditionally set fetch_if_missing.
*/
/*
* NEEDSWORK: These loops that attempt to find presence of
* options without understanding that the options they are
* skipping are broken (e.g., it would not know "--grep
* --exclude-promisor-objects" is not triggering
* "--exclude-promisor-objects" option). We really need
* setup_revisions() to have a mechanism to allow and disallow
* some sets of options for different commands (like rev-list,
* replay, etc). Such a mechanism should do an early parsing
* of options and be able to manage the `--missing=...` and
* `--exclude-promisor-objects` options below.
*/
for (i = 1; i < argc; i++) {
const char *arg = argv[i];
if (!strcmp(arg, "--exclude-promisor-objects")) {
fetch_if_missing = 0;
revs.exclude_promisor_objects = 1;
} else if (skip_prefix(arg, "--missing=", &arg)) {
parse_missing_action_value(arg);
} else if (!strcmp(arg, "-z")) {
line_term = '\0';
info_term = '\0';
}
}
die_for_incompatible_opt2(revs.exclude_promisor_objects,
"--exclude_promisor_objects",
arg_missing_action, "--missing");
if (arg_missing_action)
revs.do_not_die_on_missing_objects = 1;
argc = setup_revisions(argc, argv, &revs, &s_r_opt);
memset(&info, 0, sizeof(info));
info.revs = &revs;
if (revs.bisect)
bisect_list = 1;
if (revs.diffopt.flags.quick)
info.flags |= REV_LIST_QUIET;
for (i = 1 ; i < argc; i++) {
const char *arg = argv[i];
if (!strcmp(arg, "--header")) {
revs.verbose_header = 1;
continue;
}
if (!strcmp(arg, "--timestamp")) {
info.show_timestamp = 1;
continue;
}
if (!strcmp(arg, "--bisect")) {
bisect_list = 1;
continue;
}
if (!strcmp(arg, "--bisect-all")) {
bisect_list = 1;
bisect_find_all = 1;
info.flags |= BISECT_SHOW_ALL;
revs.show_decorations = 1;
continue;
}
if (!strcmp(arg, "--bisect-vars")) {
bisect_list = 1;
bisect_show_vars = 1;
continue;
}
if (!strcmp(arg, "--use-bitmap-index")) {
use_bitmap_index = 1;
continue;
}
if (!strcmp(arg, "--test-bitmap")) {
test_bitmap_walk(&revs);
goto cleanup;
}
if (skip_prefix(arg, "--progress=", &arg)) {
show_progress = arg;
continue;
}
if (!strcmp(arg, "--filter-provided-objects")) {
filter_provided_objects = 1;
continue;
}
if (!strcmp(arg, "--filter-print-omitted")) {
arg_print_omitted = 1;
continue;
}
if (!strcmp(arg, "--exclude-promisor-objects"))
continue; /* already handled above */
if (skip_prefix(arg, "--missing=", &arg))
continue; /* already handled above */
if (!strcmp(arg, ("--no-object-names"))) {
arg_show_object_names = 0;
continue;
}
if (!strcmp(arg, ("--object-names"))) {
arg_show_object_names = 1;
continue;
}
if (!strcmp(arg, ("--commit-header"))) {
revs.include_header = 1;
continue;
}
if (!strcmp(arg, ("--no-commit-header"))) {
revs.include_header = 0;
continue;
}
if (skip_prefix(arg, "--disk-usage", &arg)) {
if (*arg == '=') {
if (!strcmp(++arg, "human")) {
human_readable = 1;
} else
die(_("invalid value for '%s': '%s', the only allowed format is '%s'"),
"--disk-usage=<format>", arg, "human");
} else if (*arg) {
/*
* Arguably should goto a label to continue chain of ifs?
* Doesn't matter unless we try to add --disk-usage-foo
* afterwards.
*/
usage(rev_list_usage);
}
show_disk_usage = 1;
info.flags |= REV_LIST_QUIET;
continue;
}
usage(rev_list_usage);
}
/*
* Reject options currently incompatible with -z. For some options, this
* is not an inherent limitation and support may be implemented in the
* future.
*/
if (!line_term) {
if (revs.graph || revs.verbose_header || show_disk_usage ||
info.show_timestamp || info.header_prefix || bisect_list ||
use_bitmap_index || revs.edge_hint || revs.left_right ||
revs.cherry_mark)
die(_("-z option used with unsupported option"));
}
if (revs.commit_format != CMIT_FMT_USERFORMAT)
revs.include_header = 1;
if (revs.commit_format != CMIT_FMT_UNSPECIFIED) {
/* The command line has a --pretty */
info.hdr_termination = '\n';
if (revs.commit_format == CMIT_FMT_ONELINE || !revs.include_header)
info.header_prefix = "";
else
info.header_prefix = "commit ";
}
else if (revs.verbose_header)
/* Only --header was specified */
revs.commit_format = CMIT_FMT_RAW;
if ((!revs.commits && reflog_walk_empty(revs.reflog_info) &&
(!(revs.tag_objects || revs.tree_objects || revs.blob_objects) &&
!revs.pending.nr) &&
!revs.rev_input_given && !revs.read_from_stdin) ||
revs.diff)
usage(rev_list_usage);
if (revs.show_notes)
die(_("rev-list does not support display of notes"));
if (revs.count &&
(revs.tag_objects || revs.tree_objects || revs.blob_objects) &&
(revs.left_right || revs.cherry_mark))
die(_("marked counting and '%s' cannot be used together"), "--objects");
save_commit_buffer = (revs.verbose_header ||
revs.grep_filter.pattern_list ||
revs.grep_filter.header_list);
if (bisect_list)
revs.limited = 1;
if (show_progress)
progress = start_delayed_progress(the_repository,
show_progress, 0);
if (use_bitmap_index) {
if (!try_bitmap_count(&revs, filter_provided_objects))
goto cleanup;
if (!try_bitmap_disk_usage(&revs, filter_provided_objects))
goto cleanup;
if (!try_bitmap_traversal(&revs, filter_provided_objects))
goto cleanup;
}
if (prepare_revision_walk(&revs))
die("revision walk setup failed");
if (revs.tree_objects)
mark_edges_uninteresting(&revs, show_edge, 0);
if (bisect_list) {
int reaches, all;
unsigned bisect_flags = 0;
if (bisect_find_all)
bisect_flags |= FIND_BISECTION_ALL;
if (revs.first_parent_only)
bisect_flags |= FIND_BISECTION_FIRST_PARENT_ONLY;
find_bisection(&revs.commits, &reaches, &all, bisect_flags);
if (bisect_show_vars) {
ret = show_bisect_vars(&info, reaches, all);
goto cleanup;
}
}
if (filter_provided_objects) {
struct commit_list *c;
for (i = 0; i < revs.pending.nr; i++) {
struct object_array_entry *pending = revs.pending.objects + i;
pending->item->flags |= NOT_USER_GIVEN;
}
for (c = revs.commits; c; c = c->next)
c->item->object.flags |= NOT_USER_GIVEN;
}
if (arg_print_omitted)
oidset_init(&omitted_objects, DEFAULT_OIDSET_SIZE);
if (arg_missing_action == MA_PRINT ||
arg_missing_action == MA_PRINT_INFO) {
struct oidset_iter iter;
struct object_id *oid;
oidmap_init(&missing_objects, DEFAULT_OIDSET_SIZE);
oidset_iter_init(&revs.missing_commits, &iter);
/* Add missing tips */
while ((oid = oidset_iter_next(&iter)))
add_missing_object_entry(oid, NULL, 0);
oidset_clear(&revs.missing_commits);
}
traverse_commit_list_filtered(
&revs, show_commit, show_object, &info,
(arg_print_omitted ? &omitted_objects : NULL));
if (arg_print_omitted) {
struct oidset_iter iter;
struct object_id *oid;
oidset_iter_init(&omitted_objects, &iter);
while ((oid = oidset_iter_next(&iter)))
printf("~%s\n", oid_to_hex(oid));
oidset_clear(&omitted_objects);
}
if (arg_missing_action == MA_PRINT ||
arg_missing_action == MA_PRINT_INFO) {
struct missing_objects_map_entry *entry;
struct oidmap_iter iter;
oidmap_iter_init(&missing_objects, &iter);
while ((entry = oidmap_iter_next(&iter))) {
print_missing_object(entry, arg_missing_action ==
MA_PRINT_INFO);
free((void *)entry->path);
}
oidmap_free(&missing_objects, true);
}
stop_progress(&progress);
if (revs.count) {
if (revs.left_right && revs.cherry_mark)
printf("%d\t%d\t%d\n", revs.count_left, revs.count_right, revs.count_same);
else if (revs.left_right)
printf("%d\t%d\n", revs.count_left, revs.count_right);
else if (revs.cherry_mark)
printf("%d\t%d\n", revs.count_left + revs.count_right, revs.count_same);
else
printf("%d\n", revs.count_left + revs.count_right);
}
if (show_disk_usage)
print_disk_usage(total_disk_usage);
cleanup:
release_revisions(&revs);
return ret;
}