upload-pack: optionally allow fetching reachable sha1

diff --git a/builtin/blame.c b/builtin/blame.c
index 17d30d00aa3f6c4d0f62cae6603f9003dd2f2395..06484c2e0e23237bff711bbe3cda6e1382004ef3 100644 (file)
--- a/builtin/blame.c
+++ b/builtin/blame.c
@@ -27,12 +27,12 @@
 #include "line-range.h"
 #include "line-log.h"
 
-static char blame_usage[] = N_("git blame [options] [rev-opts] [rev] [--] file");
+static char blame_usage[] = N_("git blame [<options>] [<rev-opts>] [<rev>] [--] file");
 
 static const char *blame_opt_usage[] = {
        blame_usage,
        "",
-       N_("[rev-opts] are documented in git-rev-list(1)"),
+       N_("<rev-opts> are documented in git-rev-list(1)"),
        NULL
 };
 
@@ -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);
@@ -2286,7 +2285,7 @@ static struct commit *fake_working_tree_commit(struct diff_options *opt,
        commit->date = now;
        parent_tail = &commit->parents;
 
-       if (!resolve_ref_unsafe("HEAD", head_sha1, 1, NULL))
+       if (!resolve_ref_unsafe("HEAD", RESOLVE_REF_READING, head_sha1, NULL))
                die("no such ref: HEAD");
 
        parent_tail = append_parent(parent_tail, head_sha1);
@@ -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;
@@ -2580,6 +2579,9 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
        case DATE_RFC2822:
                blame_date_width = sizeof("Thu, 19 Oct 2006 16:00:04 -0700");
                break;
+       case DATE_ISO8601_STRICT:
+               blame_date_width = sizeof("2006-10-19T16:00:04-07:00");
+               break;
        case DATE_ISO8601:
                blame_date_width = sizeof("2006-10-19 16:00:04 -0700");
                break;
@@ -2700,7 +2702,7 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
         * uninteresting.
         */
        if (prepare_revision_walk(&revs))
-               die("revision walk setup failed");
+               die(_("revision walk setup failed"));
 
        if (is_null_sha1(sb.final->object.sha1)) {
                o = sb.final->util;
@@ -2783,6 +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;