blame: move reverse flag to scoreboard

The reverse flag is used in parts of blame that are being moved to
libgit, and should be accessible via the scoreboard structure.

Signed-off-by: Jeff Smith <whydoubt@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/blame.c b/builtin/blame.c
index 0955fc125cf251f16d6fc2f734fa6c9ceb62b176..161d15c173fb50276391636d7d867147b6a93465 100644 (file)
--- a/builtin/blame.c
+++ b/builtin/blame.c
@@ -381,6 +381,9 @@ struct blame_scoreboard {
 
        /* use this file's contents as the final image */
        const char *contents_from;
+
+       /* flags */
+       int reverse;
 };
 
 static void sanity_check_refcnt(struct blame_scoreboard *);
@@ -1339,7 +1342,8 @@ static void pass_whole_blame(struct blame_scoreboard *sb,
  * "parent" (and "porigin"), but what we mean is to find scapegoat to
  * exonerate ourselves.
  */
-static struct commit_list *first_scapegoat(struct rev_info *revs, struct commit *commit)
+static struct commit_list *first_scapegoat(struct rev_info *revs, struct commit *commit,
+                                          int reverse)
 {
        if (!reverse) {
                if (revs->first_parent_only &&
@@ -1353,9 +1357,9 @@ static struct commit_list *first_scapegoat(struct rev_info *revs, struct commit
        return lookup_decoration(&revs->children, &commit->object);
 }
 
-static int num_scapegoats(struct rev_info *revs, struct commit *commit)
+static int num_scapegoats(struct rev_info *revs, struct commit *commit, int reverse)
 {
-       struct commit_list *l = first_scapegoat(revs, commit);
+       struct commit_list *l = first_scapegoat(revs, commit, reverse);
        return commit_list_count(l);
 }
 
@@ -1393,7 +1397,7 @@ static void pass_blame(struct blame_scoreboard *sb, struct blame_origin *origin,
        struct blame_entry *toosmall = NULL;
        struct blame_entry *blames, **blametail = &blames;
 
-       num_sg = num_scapegoats(revs, commit);
+       num_sg = num_scapegoats(revs, commit, sb->reverse);
        if (!num_sg)
                goto finish;
        else if (num_sg < ARRAY_SIZE(sg_buf))
@@ -1409,7 +1413,7 @@ static void pass_blame(struct blame_scoreboard *sb, struct blame_origin *origin,
                struct blame_origin *(*find)(struct commit *, struct blame_origin *);
                find = pass ? find_rename : find_origin;
 
-               for (i = 0, sg = first_scapegoat(revs, commit);
+               for (i = 0, sg = first_scapegoat(revs, commit, sb->reverse);
                     i < num_sg && sg;
                     sg = sg->next, i++) {
                        struct commit *p = sg->item;
@@ -1441,7 +1445,7 @@ static void pass_blame(struct blame_scoreboard *sb, struct blame_origin *origin,
        }
 
        sb->num_commits++;
-       for (i = 0, sg = first_scapegoat(revs, commit);
+       for (i = 0, sg = first_scapegoat(revs, commit, sb->reverse);
             i < num_sg && sg;
             sg = sg->next, i++) {
                struct blame_origin *porigin = sg_origin[i];
@@ -1462,7 +1466,7 @@ static void pass_blame(struct blame_scoreboard *sb, struct blame_origin *origin,
        if (opt & PICKAXE_BLAME_MOVE) {
                filter_small(sb, &toosmall, &origin->suspects, sb->move_score);
                if (origin->suspects) {
-                       for (i = 0, sg = first_scapegoat(revs, commit);
+                       for (i = 0, sg = first_scapegoat(revs, commit, sb->reverse);
                             i < num_sg && sg;
                             sg = sg->next, i++) {
                                struct blame_origin *porigin = sg_origin[i];
@@ -1489,7 +1493,7 @@ static void pass_blame(struct blame_scoreboard *sb, struct blame_origin *origin,
                if (!origin->suspects)
                        goto finish;
 
-               for (i = 0, sg = first_scapegoat(revs, commit);
+               for (i = 0, sg = first_scapegoat(revs, commit, sb->reverse);
                     i < num_sg && sg;
                     sg = sg->next, i++) {
                        struct blame_origin *porigin = sg_origin[i];
@@ -1770,7 +1774,7 @@ static void assign_blame(struct blame_scoreboard *sb, int opt)
                 */
                blame_origin_incref(suspect);
                parse_commit(commit);
-               if (reverse ||
+               if (sb->reverse ||
                    (!(commit->object.flags & UNINTERESTING) &&
                     !(revs->max_age != -1 && commit->date < revs->max_age)))
                        pass_blame(sb, suspect, opt);
@@ -2739,6 +2743,7 @@ int cmd_blame(int argc, const char **argv, const char *prefix)
 
        sb.revs = &revs;
        sb.contents_from = contents_from;
+       sb.reverse = reverse;
        if (!reverse) {
                final_commit_name = prepare_final(&sb);
                sb.commits.compare = compare_commits_by_commit_date;