blame.c: fix completely broken ancestry traversal.

Recent revision.c updates completely broken the assignment of
blames by not rewriting commit->parents field unless explicitly
asked to by the caller.  The caller needs to set revs.parents.

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/blame.c b/blame.c
index 98f99922a78578a84468f1296d6e56b999829659..9bb34e63ecf02bfde06e86627ac3b1d590dd0bc2 100644 (file)
--- a/blame.c
+++ b/blame.c
@@ -813,6 +813,7 @@ int main(int argc, const char **argv)
        rev.prune_fn = simplify_commit;
        rev.topo_setter = topo_setter;
        rev.topo_getter = topo_getter;
+       rev.parents = 1;
        rev.limited = 1;
 
        commit_list_insert(start_commit, &rev.commits);