diff options
Diffstat (limited to 'builtin/show-branch.c')
-rw-r--r-- | builtin/show-branch.c | 133 |
1 files changed, 62 insertions, 71 deletions
diff --git a/builtin/show-branch.c b/builtin/show-branch.c index 9b0aba2acc..25669357e9 100644 --- a/builtin/show-branch.c +++ b/builtin/show-branch.c @@ -3,6 +3,7 @@ #include "refs.h" #include "builtin.h" #include "color.h" +#include "argv-array.h" #include "parse-options.h" static const char* show_branch_usage[] = { @@ -16,9 +17,7 @@ static const char* show_branch_usage[] = { static int showbranch_use_color = -1; -static int default_num; -static int default_alloc; -static const char **default_arg; +static struct argv_array default_args = ARGV_ARRAY_INIT; #define UNINTERESTING 01 @@ -53,17 +52,6 @@ static struct commit *interesting(struct commit_list *list) return NULL; } -static struct commit *pop_one_commit(struct commit_list **list_p) -{ - struct commit *commit; - struct commit_list *list; - list = *list_p; - commit = list->item; - *list_p = list->next; - free(list); - return commit; -} - struct commit_name { const char *head_name; /* which head's ancestor? */ int generation; /* how many parents away from head_name */ @@ -213,7 +201,7 @@ static void join_revs(struct commit_list **list_p, while (*list_p) { struct commit_list *parents; int still_interesting = !!interesting(*list_p); - struct commit *commit = pop_one_commit(list_p); + struct commit *commit = pop_commit(list_p); int flags = commit->object.flags & all_mask; if (!still_interesting && extra <= 0) @@ -303,7 +291,7 @@ static void show_one_commit(struct commit *commit, int no_name) } else printf("[%s] ", - find_unique_abbrev(commit->object.sha1, + find_unique_abbrev(commit->object.oid.hash, DEFAULT_ABBREV)); } puts(pretty_str); @@ -369,10 +357,10 @@ static void sort_ref_range(int bottom, int top) compare_ref_name); } -static int append_ref(const char *refname, const unsigned char *sha1, +static int append_ref(const char *refname, const struct object_id *oid, int allow_dups) { - struct commit *commit = lookup_commit_reference_gently(sha1, 1); + struct commit *commit = lookup_commit_reference_gently(oid->hash, 1); int i; if (!commit) @@ -394,39 +382,42 @@ static int append_ref(const char *refname, const unsigned char *sha1, return 0; } -static int append_head_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data) +static int append_head_ref(const char *refname, const struct object_id *oid, + int flag, void *cb_data) { - unsigned char tmp[20]; + struct object_id tmp; int ofs = 11; if (!starts_with(refname, "refs/heads/")) return 0; /* If both heads/foo and tags/foo exists, get_sha1 would * get confused. */ - if (get_sha1(refname + ofs, tmp) || hashcmp(tmp, sha1)) + if (get_sha1(refname + ofs, tmp.hash) || oidcmp(&tmp, oid)) ofs = 5; - return append_ref(refname + ofs, sha1, 0); + return append_ref(refname + ofs, oid, 0); } -static int append_remote_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data) +static int append_remote_ref(const char *refname, const struct object_id *oid, + int flag, void *cb_data) { - unsigned char tmp[20]; + struct object_id tmp; int ofs = 13; if (!starts_with(refname, "refs/remotes/")) return 0; /* If both heads/foo and tags/foo exists, get_sha1 would * get confused. */ - if (get_sha1(refname + ofs, tmp) || hashcmp(tmp, sha1)) + if (get_sha1(refname + ofs, tmp.hash) || oidcmp(&tmp, oid)) ofs = 5; - return append_ref(refname + ofs, sha1, 0); + return append_ref(refname + ofs, oid, 0); } -static int append_tag_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data) +static int append_tag_ref(const char *refname, const struct object_id *oid, + int flag, void *cb_data) { if (!starts_with(refname, "refs/tags/")) return 0; - return append_ref(refname + 5, sha1, 0); + return append_ref(refname + 5, oid, 0); } static const char *match_ref_pattern = NULL; @@ -440,7 +431,8 @@ static int count_slash(const char *s) return cnt; } -static int append_matching_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data) +static int append_matching_ref(const char *refname, const struct object_id *oid, + int flag, void *cb_data) { /* we want to allow pattern hold/<asterisk> to show all * branches under refs/heads/hold/, and v0.99.9? to show @@ -456,21 +448,23 @@ static int append_matching_ref(const char *refname, const unsigned char *sha1, i if (wildmatch(match_ref_pattern, tail, 0, NULL)) return 0; if (starts_with(refname, "refs/heads/")) - return append_head_ref(refname, sha1, flag, cb_data); + return append_head_ref(refname, oid, flag, cb_data); if (starts_with(refname, "refs/tags/")) - return append_tag_ref(refname, sha1, flag, cb_data); - return append_ref(refname, sha1, 0); + return append_tag_ref(refname, oid, flag, cb_data); + return append_ref(refname, oid, 0); } static void snarf_refs(int head, int remotes) { if (head) { int orig_cnt = ref_name_cnt; + for_each_ref(append_head_ref, NULL); sort_ref_range(orig_cnt, ref_name_cnt); } if (remotes) { int orig_cnt = ref_name_cnt; + for_each_ref(append_remote_ref, NULL); sort_ref_range(orig_cnt, ref_name_cnt); } @@ -498,11 +492,11 @@ static int show_merge_base(struct commit_list *seen, int num_rev) int exit_status = 1; while (seen) { - struct commit *commit = pop_one_commit(&seen); + struct commit *commit = pop_commit(&seen); int flags = commit->object.flags & all_mask; if (!(flags & UNINTERESTING) && ((flags & all_revs) == all_revs)) { - puts(sha1_to_hex(commit->object.sha1)); + puts(oid_to_hex(&commit->object.oid)); exit_status = 0; commit->object.flags |= UNINTERESTING; } @@ -522,7 +516,7 @@ static int show_independent(struct commit **rev, unsigned int flag = rev_mask[i]; if (commit->object.flags == flag) - puts(sha1_to_hex(commit->object.sha1)); + puts(oid_to_hex(&commit->object.oid)); commit->object.flags |= UNINTERESTING; } return 0; @@ -530,14 +524,15 @@ static int show_independent(struct commit **rev, static void append_one_rev(const char *av) { - unsigned char revkey[20]; - if (!get_sha1(av, revkey)) { - append_ref(av, revkey, 0); + struct object_id revkey; + if (!get_sha1(av, revkey.hash)) { + append_ref(av, &revkey, 0); return; } if (strchr(av, '*') || strchr(av, '?') || strchr(av, '[')) { /* glob style match */ int saved_matches = ref_name_cnt; + match_ref_pattern = av; match_ref_slash = count_slash(av); for_each_ref(append_matching_ref, NULL); @@ -560,16 +555,9 @@ static int git_show_branch_config(const char *var, const char *value, void *cb) * default_arg is now passed to parse_options(), so we need to * mimic the real argv a bit better. */ - if (!default_num) { - default_alloc = 20; - default_arg = xcalloc(default_alloc, sizeof(*default_arg)); - default_arg[default_num++] = "show-branch"; - } else if (default_alloc <= default_num + 1) { - default_alloc = default_alloc * 3 / 2 + 20; - REALLOC_ARRAY(default_arg, default_alloc); - } - default_arg[default_num++] = xstrdup(value); - default_arg[default_num] = NULL; + if (!default_args.argc) + argv_array_push(&default_args, "show-branch"); + argv_array_push(&default_args, value); return 0; } @@ -636,7 +624,7 @@ int cmd_show_branch(int ac, const char **av, const char *prefix) char head[128]; const char *head_p; int head_len; - unsigned char head_sha1[20]; + struct object_id head_oid; int merge_base = 0; int independent = 0; int no_name = 0; @@ -689,9 +677,9 @@ int cmd_show_branch(int ac, const char **av, const char *prefix) git_config(git_show_branch_config, NULL); /* If nothing is specified, try the default first */ - if (ac == 1 && default_num) { - ac = default_num; - av = default_arg; + if (ac == 1 && default_args.argc) { + ac = default_args.argc; + av = default_args.argv; } ac = parse_options(ac, av, prefix, builtin_show_branch_options, @@ -718,11 +706,11 @@ int cmd_show_branch(int ac, const char **av, const char *prefix) } /* If nothing is specified, show all branches by default */ - if (ac + all_heads + all_remotes == 0) + if (ac <= topics && all_heads + all_remotes == 0) all_heads = 1; if (reflog) { - unsigned char sha1[20]; + struct object_id oid; char *ref; int base = 0; unsigned int flags = 0; @@ -732,10 +720,12 @@ int cmd_show_branch(int ac, const char **av, const char *prefix) fake_av[0] = resolve_refdup("HEAD", RESOLVE_REF_READING, - sha1, NULL); + oid.hash, NULL); fake_av[1] = NULL; av = fake_av; ac = 1; + if (!*av) + die("no branches given, and HEAD is not valid"); } if (ac != 1) die("--reflog option needs one branch name"); @@ -743,7 +733,7 @@ int cmd_show_branch(int ac, const char **av, const char *prefix) if (MAX_REVS < reflog) die("Only %d entries can be shown at one time.", MAX_REVS); - if (!dwim_ref(*av, strlen(*av), sha1, &ref)) + if (!dwim_ref(*av, strlen(*av), oid.hash, &ref)) die("No such ref %s", *av); /* Has the base been specified? */ @@ -754,7 +744,7 @@ int cmd_show_branch(int ac, const char **av, const char *prefix) /* Ah, that is a date spec... */ unsigned long at; at = approxidate(reflog_base); - read_ref_at(ref, flags, at, -1, sha1, NULL, + read_ref_at(ref, flags, at, -1, oid.hash, NULL, NULL, NULL, &base); } } @@ -766,7 +756,7 @@ int cmd_show_branch(int ac, const char **av, const char *prefix) unsigned long timestamp; int tz; - if (read_ref_at(ref, flags, 0, base+i, sha1, &logmsg, + if (read_ref_at(ref, flags, 0, base+i, oid.hash, &logmsg, ×tamp, &tz, NULL)) { reflog = i; break; @@ -777,27 +767,28 @@ int cmd_show_branch(int ac, const char **av, const char *prefix) else msg++; reflog_msg[i] = xstrfmt("(%s) %s", - show_date(timestamp, tz, 1), + show_date(timestamp, tz, + DATE_MODE(RELATIVE)), msg); free(logmsg); nth_desc = xstrfmt("%s@{%d}", *av, base+i); - append_ref(nth_desc, sha1, 1); + append_ref(nth_desc, &oid, 1); free(nth_desc); } free(ref); } - else if (all_heads + all_remotes) - snarf_refs(all_heads, all_remotes); else { while (0 < ac) { append_one_rev(*av); ac--; av++; } + if (all_heads + all_remotes) + snarf_refs(all_heads, all_remotes); } head_p = resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, - head_sha1, NULL); + head_oid.hash, NULL); if (head_p) { head_len = strlen(head_p); memcpy(head, head_p, head_len + 1); @@ -816,7 +807,7 @@ int cmd_show_branch(int ac, const char **av, const char *prefix) if (rev_is_head(head, head_len, ref_name[i], - head_sha1, NULL)) + head_oid.hash, NULL)) has_head++; } if (!has_head) { @@ -831,17 +822,17 @@ int cmd_show_branch(int ac, const char **av, const char *prefix) } for (num_rev = 0; ref_name[num_rev]; num_rev++) { - unsigned char revkey[20]; + struct object_id revkey; unsigned int flag = 1u << (num_rev + REV_SHIFT); if (MAX_REVS <= num_rev) die("cannot handle more than %d revs.", MAX_REVS); - if (get_sha1(ref_name[num_rev], revkey)) + if (get_sha1(ref_name[num_rev], revkey.hash)) die("'%s' is not a valid ref.", ref_name[num_rev]); - commit = lookup_commit_reference(revkey); + commit = lookup_commit_reference(revkey.hash); if (!commit) die("cannot find commit %s (%s)", - ref_name[num_rev], revkey); + ref_name[num_rev], oid_to_hex(&revkey)); parse_commit(commit); mark_seen(commit, &seen); @@ -875,8 +866,8 @@ int cmd_show_branch(int ac, const char **av, const char *prefix) int is_head = rev_is_head(head, head_len, ref_name[i], - head_sha1, - rev[i]->object.sha1); + head_oid.hash, + rev[i]->object.oid.hash); if (extra < 0) printf("%c [%s] ", is_head ? '*' : ' ', ref_name[i]); @@ -919,7 +910,7 @@ int cmd_show_branch(int ac, const char **av, const char *prefix) all_revs = all_mask & ~((1u << REV_SHIFT) - 1); while (seen) { - struct commit *commit = pop_one_commit(&seen); + struct commit *commit = pop_commit(&seen); int this_flag = commit->object.flags; int is_merge_point = ((this_flag & all_revs) == all_revs); |