diff options
Diffstat (limited to 'builtin-merge-base.c')
-rw-r--r-- | builtin-merge-base.c | 43 |
1 files changed, 23 insertions, 20 deletions
diff --git a/builtin-merge-base.c b/builtin-merge-base.c index 3382b1382a..03fc1c2114 100644 --- a/builtin-merge-base.c +++ b/builtin-merge-base.c @@ -1,10 +1,13 @@ #include "builtin.h" #include "cache.h" #include "commit.h" +#include "parse-options.h" -static int show_merge_base(struct commit *rev1, struct commit *rev2, int show_all) +static int show_merge_base(struct commit **rev, int rev_nr, int show_all) { - struct commit_list *result = get_merge_bases(rev1, rev2, 0); + struct commit_list *result; + + result = get_merge_bases_many(rev[0], rev_nr - 1, rev + 1, 0); if (!result) return 1; @@ -19,8 +22,10 @@ static int show_merge_base(struct commit *rev1, struct commit *rev2, int show_al return 0; } -static const char merge_base_usage[] = -"git merge-base [--all] <commit-id> <commit-id>"; +static const char * const merge_base_usage[] = { + "git merge-base [--all] <commit-id> <commit-id>...", + NULL +}; static struct commit *get_commit_reference(const char *arg) { @@ -38,23 +43,21 @@ static struct commit *get_commit_reference(const char *arg) int cmd_merge_base(int argc, const char **argv, const char *prefix) { - struct commit *rev1, *rev2; + struct commit **rev; + int rev_nr = 0; int show_all = 0; - git_config(git_default_config, NULL); + struct option options[] = { + OPT_BOOLEAN('a', "all", &show_all, "outputs all common ancestors"), + OPT_END() + }; - while (1 < argc && argv[1][0] == '-') { - const char *arg = argv[1]; - if (!strcmp(arg, "-a") || !strcmp(arg, "--all")) - show_all = 1; - else - usage(merge_base_usage); - argc--; argv++; - } - if (argc != 3) - usage(merge_base_usage); - rev1 = get_commit_reference(argv[1]); - rev2 = get_commit_reference(argv[2]); - - return show_merge_base(rev1, rev2, show_all); + git_config(git_default_config, NULL); + argc = parse_options(argc, argv, options, merge_base_usage, 0); + if (argc < 2) + usage_with_options(merge_base_usage, options); + rev = xmalloc(argc * sizeof(*rev)); + while (argc-- > 0) + rev[rev_nr++] = get_commit_reference(*argv++); + return show_merge_base(rev, rev_nr, show_all); } |