diff options
Diffstat (limited to 'builtin/name-rev.c')
| -rw-r--r-- | builtin/name-rev.c | 47 |
1 files changed, 32 insertions, 15 deletions
diff --git a/builtin/name-rev.c b/builtin/name-rev.c index b221d30014..138e3c30a2 100644 --- a/builtin/name-rev.c +++ b/builtin/name-rev.c @@ -44,11 +44,20 @@ static struct rev_name *get_commit_rev_name(const struct commit *commit) return is_valid_rev_name(name) ? name : NULL; } +static int effective_distance(int distance, int generation) +{ + return distance + (generation > 0 ? MERGE_TRAVERSAL_WEIGHT : 0); +} + static int is_better_name(struct rev_name *name, timestamp_t taggerdate, + int generation, int distance, int from_tag) { + int name_distance = effective_distance(name->distance, name->generation); + int new_distance = effective_distance(distance, generation); + /* * When comparing names based on tags, prefer names * based on the older tag, even if it is farther away. @@ -56,7 +65,7 @@ static int is_better_name(struct rev_name *name, if (from_tag && name->from_tag) return (name->taggerdate > taggerdate || (name->taggerdate == taggerdate && - name->distance > distance)); + name_distance > new_distance)); /* * We know that at least one of them is a non-tag at this point. @@ -69,8 +78,8 @@ static int is_better_name(struct rev_name *name, * We are now looking at two non-tags. Tiebreak to favor * shorter hops. */ - if (name->distance != distance) - return name->distance > distance; + if (name_distance != new_distance) + return name_distance > new_distance; /* ... or tiebreak to favor older date */ if (name->taggerdate != taggerdate) @@ -88,7 +97,7 @@ static struct rev_name *create_or_update_name(struct commit *commit, struct rev_name *name = commit_rev_name_at(&rev_names, commit); if (is_valid_rev_name(name)) { - if (!is_better_name(name, taggerdate, distance, from_tag)) + if (!is_better_name(name, taggerdate, generation, distance, from_tag)) return NULL; /* @@ -518,7 +527,7 @@ static void name_rev_line(char *p, struct name_ref_data *data) int cmd_name_rev(int argc, const char **argv, const char *prefix) { struct object_array revs = OBJECT_ARRAY_INIT; - int all = 0, transform_stdin = 0, allow_undefined = 1, always = 0, peel_tag = 0; + int all = 0, annotate_stdin = 0, transform_stdin = 0, allow_undefined = 1, always = 0, peel_tag = 0; struct name_ref_data data = { 0, 0, STRING_LIST_INIT_NODUP, STRING_LIST_INIT_NODUP }; struct option opts[] = { OPT_BOOL(0, "name-only", &data.name_only, N_("print only ref-based names (no object names)")), @@ -529,7 +538,8 @@ int cmd_name_rev(int argc, const char **argv, const char *prefix) N_("ignore refs matching <pattern>")), OPT_GROUP(""), OPT_BOOL(0, "all", &all, N_("list all commits reachable from all refs")), - OPT_BOOL(0, "stdin", &transform_stdin, N_("read from stdin")), + OPT_BOOL(0, "stdin", &transform_stdin, N_("deprecated: use annotate-stdin instead")), + OPT_BOOL(0, "annotate-stdin", &annotate_stdin, N_("annotate text from stdin")), OPT_BOOL(0, "undefined", &allow_undefined, N_("allow to print `undefined` names (default)")), OPT_BOOL(0, "always", &always, N_("show abbreviated commit object as fallback")), @@ -545,11 +555,19 @@ int cmd_name_rev(int argc, const char **argv, const char *prefix) init_commit_rev_name(&rev_names); git_config(git_default_config, NULL); argc = parse_options(argc, argv, prefix, opts, name_rev_usage, 0); - if (all + transform_stdin + !!argc > 1) { + + if (transform_stdin) { + warning("--stdin is deprecated. Please use --annotate-stdin instead, " + "which is functionally equivalent.\n" + "This option will be removed in a future release."); + annotate_stdin = 1; + } + + if (all + annotate_stdin + !!argc > 1) { error("Specify either a list, or --all, not both!"); usage_with_options(name_rev_usage, opts); } - if (all || transform_stdin) + if (all || annotate_stdin) cutoff = 0; for (; argc; argc--, argv++) { @@ -604,15 +622,14 @@ int cmd_name_rev(int argc, const char **argv, const char *prefix) for_each_ref(name_ref, &data); name_tips(); - if (transform_stdin) { - char buffer[2048]; + if (annotate_stdin) { + struct strbuf sb = STRBUF_INIT; - while (!feof(stdin)) { - char *p = fgets(buffer, sizeof(buffer), stdin); - if (!p) - break; - name_rev_line(p, &data); + while (strbuf_getline(&sb, stdin) != EOF) { + strbuf_addch(&sb, '\n'); + name_rev_line(sb.buf, &data); } + strbuf_release(&sb); } else if (all) { int i, max; |