Allow alternate "low-level" emit function from xdl_diff

[thirdparty/git.git] / revision.c

diff --git a/revision.c b/revision.c
index 499f0e0225c1e8e2289cbca1264923b6f4bfab71..2f646deab09c423143185b7f7928ae46ab9f4c97 100644 (file)
--- a/revision.c
+++ b/revision.c
@@ -1793,26 +1793,6 @@ static struct commit *get_revision_internal(struct rev_info *revs)
                return c;
        }
 
-       if (revs->reverse) {
-               int limit = -1;
-
-               if (0 <= revs->max_count) {
-                       limit = revs->max_count;
-                       if (0 < revs->skip_count)
-                               limit += revs->skip_count;
-               }
-               l = NULL;
-               while ((c = get_revision_1(revs))) {
-                       commit_list_insert(c, &l);
-                       if ((0 < limit) && !--limit)
-                               break;
-               }
-               revs->commits = l;
-               revs->reverse = 0;
-               revs->max_count = -1;
-               c = NULL;
-       }
-
        /*
         * Now pick up what they want to give us
         */
@@ -1885,7 +1865,23 @@ static struct commit *get_revision_internal(struct rev_info *revs)
 
 struct commit *get_revision(struct rev_info *revs)
 {
-       struct commit *c = get_revision_internal(revs);
+       struct commit *c;
+       struct commit_list *reversed;
+
+       if (revs->reverse) {
+               reversed = NULL;
+               while ((c = get_revision_internal(revs))) {
+                       commit_list_insert(c, &reversed);
+               }
+               revs->commits = reversed;
+               revs->reverse = 0;
+               revs->reverse_output_stage = 1;
+       }
+
+       if (revs->reverse_output_stage)
+               return pop_commit(&revs->commits);
+
+       c = get_revision_internal(revs);
        if (c && revs->graph)
                graph_update(revs->graph, c);
        return c;