gitweb: Incremental blame (using JavaScript)

diff --git a/builtin-branch.c b/builtin-branch.c
index 91098ca9b106239916af000cb54a4bf09629e6b6..1a03d5f356009de12364c320577e24853bec7959 100644 (file)
--- a/builtin-branch.c
+++ b/builtin-branch.c
@@ -191,7 +191,7 @@ struct ref_item {
 
 struct ref_list {
        struct rev_info revs;
-       int index, alloc, maxwidth;
+       int index, alloc, maxwidth, verbose, abbrev;
        struct ref_item *list;
        struct commit_list *with_commit;
        int kinds;
@@ -240,21 +240,24 @@ static int append_ref(const char *refname, const unsigned char *sha1, int flags,
        if (ARRAY_SIZE(ref_kind) <= i)
                return 0;
 
-       commit = lookup_commit_reference_gently(sha1, 1);
-       if (!commit)
-               return error("branch '%s' does not point at a commit", refname);
-
-       /* Filter with with_commit if specified */
-       if (!is_descendant_of(commit, ref_list->with_commit))
-               return 0;
-
        /* Don't add types the caller doesn't want */
        if ((kind & ref_list->kinds) == 0)
                return 0;
 
-       if (merge_filter != NO_FILTER)
-               add_pending_object(&ref_list->revs,
-                                  (struct object *)commit, refname);
+       commit = NULL;
+       if (ref_list->verbose || ref_list->with_commit || merge_filter != NO_FILTER) {
+               commit = lookup_commit_reference_gently(sha1, 1);
+               if (!commit)
+                       return error("branch '%s' does not point at a commit", refname);
+
+               /* Filter with with_commit if specified */
+               if (!is_descendant_of(commit, ref_list->with_commit))
+                       return 0;
+
+               if (merge_filter != NO_FILTER)
+                       add_pending_object(&ref_list->revs,
+                                          (struct object *)commit, refname);
+       }
 
        /* Resize buffer */
        if (ref_list->index >= ref_list->alloc) {
@@ -415,18 +418,38 @@ static int calc_maxwidth(struct ref_list *refs)
        return w;
 }
 
+
+static void show_detached(struct ref_list *ref_list)
+{
+       struct commit *head_commit = lookup_commit_reference_gently(head_sha1, 1);
+
+       if (head_commit && is_descendant_of(head_commit, ref_list->with_commit)) {
+               struct ref_item item;
+               item.name = xstrdup("(no branch)");
+               item.len = strlen(item.name);
+               item.kind = REF_LOCAL_BRANCH;
+               item.dest = NULL;
+               item.commit = head_commit;
+               if (item.len > ref_list->maxwidth)
+                       ref_list->maxwidth = item.len;
+               print_ref_item(&item, ref_list->maxwidth, ref_list->verbose, ref_list->abbrev, 1, "");
+               free(item.name);
+       }
+}
+
 static void print_ref_list(int kinds, int detached, int verbose, int abbrev, struct commit_list *with_commit)
 {
        int i;
        struct ref_list ref_list;
-       struct commit *head_commit = lookup_commit_reference_gently(head_sha1, 1);
 
        memset(&ref_list, 0, sizeof(ref_list));
        ref_list.kinds = kinds;
+       ref_list.verbose = verbose;
+       ref_list.abbrev = abbrev;
        ref_list.with_commit = with_commit;
        if (merge_filter != NO_FILTER)
                init_revisions(&ref_list.revs, NULL);
-       for_each_ref(append_ref, &ref_list);
+       for_each_rawref(append_ref, &ref_list);
        if (merge_filter != NO_FILTER) {
                struct commit *filter;
                filter = lookup_commit_reference_gently(merge_filter_ref, 0);
@@ -442,19 +465,8 @@ static void print_ref_list(int kinds, int detached, int verbose, int abbrev, str
        qsort(ref_list.list, ref_list.index, sizeof(struct ref_item), ref_cmp);
 
        detached = (detached && (kinds & REF_LOCAL_BRANCH));
-       if (detached && head_commit &&
-           is_descendant_of(head_commit, with_commit)) {
-               struct ref_item item;
-               item.name = xstrdup("(no branch)");
-               item.len = strlen(item.name);
-               item.kind = REF_LOCAL_BRANCH;
-               item.dest = NULL;
-               item.commit = head_commit;
-               if (item.len > ref_list.maxwidth)
-                       ref_list.maxwidth = item.len;
-               print_ref_item(&item, ref_list.maxwidth, verbose, abbrev, 1, "");
-               free(item.name);
-       }
+       if (detached)
+               show_detached(&ref_list);
 
        for (i = 0; i < ref_list.index; i++) {
                int current = !detached &&
@@ -547,7 +559,7 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
        struct option options[] = {
                OPT_GROUP("Generic options"),
                OPT__VERBOSE(&verbose),
-               OPT_SET_INT( 0 , "track",  &track, "set up tracking mode (see git-pull(1))",
+               OPT_SET_INT('t', "track",  &track, "set up tracking mode (see git-pull(1))",
                        BRANCH_TRACK_EXPLICIT),
                OPT_BOOLEAN( 0 , "color",  &branch_use_color, "use colored output"),
                OPT_SET_INT('r', NULL,     &kinds, "act on remote-tracking branches",
@@ -610,7 +622,8 @@ int cmd_branch(int argc, const char **argv, const char *prefix)
        }
        hashcpy(merge_filter_ref, head_sha1);
 
-       argc = parse_options(argc, argv, options, builtin_branch_usage, 0);
+       argc = parse_options(argc, argv, prefix, options, builtin_branch_usage,
+                            0);
        if (!!delete + !!rename + !!force_create > 1)
                usage_with_options(builtin_branch_usage, options);