"reset --merge": fix unmerged case

[git.git] / unpack-trees.c

diff --git a/unpack-trees.c b/unpack-trees.c
index dd5999c3562219b7993420b22257f4088ab82b8d..3df0de60054a2cd82b1284f5c223ff8c44a0768b 100644 (file)
--- a/unpack-trees.c
+++ b/unpack-trees.c
@@ -436,6 +436,8 @@ static int same(struct cache_entry *a, struct cache_entry *b)
                return 0;
        if (!a && !b)
                return 1;
+       if ((a->ce_flags | b->ce_flags) & CE_CONFLICTED)
+               return 0;
        return a->ce_mode == b->ce_mode &&
               !hashcmp(a->sha1, b->sha1);
 }
@@ -666,7 +668,11 @@ static int merged_entry(struct cache_entry *merge, struct cache_entry *old,
 {
        int update = CE_UPDATE;
 
-       if (old) {
+       if (!old) {
+               if (verify_absent(merge, "overwritten", o))
+                       return -1;
+               invalidate_ce_path(merge, o);
+       } else if (!(old->ce_flags & CE_CONFLICTED)) {
                /*
                 * See if we can re-use the old CE directly?
                 * That way we get the uptodate stat info.
@@ -682,11 +688,12 @@ static int merged_entry(struct cache_entry *merge, struct cache_entry *old,
                                return -1;
                        invalidate_ce_path(old, o);
                }
-       }
-       else {
-               if (verify_absent(merge, "overwritten", o))
-                       return -1;
-               invalidate_ce_path(merge, o);
+       } else {
+               /*
+                * Previously unmerged entry left as an existence
+                * marker by read_index_unmerged();
+                */
+               invalidate_ce_path(old, o);
        }
 
        add_entry(o, merge, update, CE_STAGEMASK);
@@ -702,7 +709,7 @@ static int deleted_entry(struct cache_entry *ce, struct cache_entry *old,
                        return -1;
                return 0;
        }
-       if (verify_uptodate(old, o))
+       if (!(old->ce_flags & CE_CONFLICTED) && verify_uptodate(old, o))
                return -1;
        add_entry(o, ce, CE_REMOVE, 0);
        invalidate_ce_path(ce, o);