upload-pack: optionally allow fetching reachable sha1

diff --git a/builtin/blame.c b/builtin/blame.c
index f0fac655edeed66c196154b73420105d6b301949..06484c2e0e23237bff711bbe3cda6e1382004ef3 100644 (file)
--- a/builtin/blame.c
+++ b/builtin/blame.c
@@ -2085,7 +2085,6 @@ static void find_alignment(struct scoreboard *sb, int *option)
 
        for (e = sb->ent; e; e = e->next) {
                struct origin *suspect = e->suspect;
-               struct commit_info ci;
                int num;
 
                if (compute_auto_abbrev)
@@ -2096,6 +2095,7 @@ static void find_alignment(struct scoreboard *sb, int *option)
                if (longest_file < num)
                        longest_file = num;
                if (!(suspect->commit->object.flags & METAINFO_SHOWN)) {
+                       struct commit_info ci;
                        suspect->commit->object.flags |= METAINFO_SHOWN;
                        get_commit_info(suspect->commit, &ci, 1);
                        if (*option & OUTPUT_SHOW_EMAIL)
@@ -2104,6 +2104,7 @@ static void find_alignment(struct scoreboard *sb, int *option)
                                num = utf8_strwidth(ci.author.buf);
                        if (longest_author < num)
                                longest_author = num;
+                       commit_info_destroy(&ci);
                }
                num = e->s_lno + e->num_lines;
                if (longest_src_lines < num)
@@ -2113,8 +2114,6 @@ static void find_alignment(struct scoreboard *sb, int *option)
                        longest_dst_lines = num;
                if (largest_score < ent_score(sb, e))
                        largest_score = ent_score(sb, e);
-
-               commit_info_destroy(&ci);
        }
        max_orig_digits = decimal_width(longest_src_lines);
        max_digits = decimal_width(longest_dst_lines);
@@ -2390,7 +2389,7 @@ static struct commit *fake_working_tree_commit(struct diff_options *opt,
        return commit;
 }
 
-static const char *prepare_final(struct scoreboard *sb)
+static char *prepare_final(struct scoreboard *sb)
 {
        int i;
        const char *final_commit_name = NULL;
@@ -2415,10 +2414,10 @@ static const char *prepare_final(struct scoreboard *sb)
                sb->final = (struct commit *) obj;
                final_commit_name = revs->pending.objects[i].name;
        }
-       return final_commit_name;
+       return xstrdup_or_null(final_commit_name);
 }
 
-static const char *prepare_initial(struct scoreboard *sb)
+static char *prepare_initial(struct scoreboard *sb)
 {
        int i;
        const char *final_commit_name = NULL;
@@ -2445,7 +2444,7 @@ static const char *prepare_initial(struct scoreboard *sb)
        }
        if (!final_commit_name)
                die("No commit to dig down to?");
-       return final_commit_name;
+       return xstrdup(final_commit_name);
 }
 
 static int blame_copy_callback(const struct option *option, const char *arg, int unset)
@@ -2489,7 +2488,7 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
        struct origin *o;
        struct blame_entry *ent = NULL;
        long dashdash_pos, lno;
-       const char *final_commit_name = NULL;
+       char *final_commit_name = NULL;
        enum object_type type;
 
        static struct string_list range_list;
@@ -2786,6 +2785,8 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
 
        assign_blame(&sb, opt);
 
+       free(final_commit_name);
+
        if (incremental)
                return 0;