Merge branch 'jc/leftright'

[~andy/git] / revision.c

diff --git a/revision.c b/revision.c
index 7b6f91f83ef4a04f1af74daf37fbae2da7eac0d7..4dae5342eb6e14758c93fa4b2942d7c053111d04 100644 (file)
--- a/revision.c
+++ b/revision.c
@@ -343,6 +343,7 @@ static void try_to_simplify_commit(struct rev_info *revs, struct commit *commit)
 static void add_parents_to_list(struct rev_info *revs, struct commit *commit, struct commit_list **list)
 {
        struct commit_list *parent = commit->parents;
+       unsigned left_flag;
 
        if (commit->object.flags & ADDED)
                return;
@@ -387,6 +388,7 @@ static void add_parents_to_list(struct rev_info *revs, struct commit *commit, st
        if (revs->no_walk)
                return;
 
+       left_flag = (commit->object.flags & SYMMETRIC_LEFT);
        parent = commit->parents;
        while (parent) {
                struct commit *p = parent->item;
@@ -394,6 +396,7 @@ static void add_parents_to_list(struct rev_info *revs, struct commit *commit, st
                parent = parent->next;
 
                parse_commit(p);
+               p->object.flags |= left_flag;
                if (p->object.flags & SEEN)
                        continue;
                p->object.flags |= SEEN;
@@ -639,7 +642,7 @@ int handle_revision_arg(const char *arg, struct rev_info *revs,
                                add_pending_commit_list(revs, exclude,
                                                        flags_exclude);
                                free_commit_list(exclude);
-                               a->object.flags |= flags;
+                               a->object.flags |= flags | SYMMETRIC_LEFT;
                        } else
                                a->object.flags |= flags_exclude;
                        b->object.flags |= flags;
@@ -849,6 +852,10 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, const ch
                                revs->boundary = 1;
                                continue;
                        }
+                       if (!strcmp(arg, "--left-right")) {
+                               revs->left_right = 1;
+                               continue;
+                       }
                        if (!strcmp(arg, "--objects")) {
                                revs->tag_objects = 1;
                                revs->tree_objects = 1;