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diff --git a/read-cache.c b/read-cache.c
index 4362b11f475748e89e9deaf6257fb0c411948105..a363f312c7f70d2a087dc16ebfe0969a03c1be42 100644 (file)
--- a/read-cache.c
+++ b/read-cache.c
@@ -350,6 +350,34 @@ int remove_file_from_index(struct index_state *istate, const char *path)
        return 0;
 }
 
+static int compare_name(struct cache_entry *ce, const char *path, int namelen)
+{
+       return namelen != ce_namelen(ce) || memcmp(path, ce->name, namelen);
+}
+
+static int index_name_pos_also_unmerged(struct index_state *istate,
+       const char *path, int namelen)
+{
+       int pos = index_name_pos(istate, path, namelen);
+       struct cache_entry *ce;
+
+       if (pos >= 0)
+               return pos;
+
+       /* maybe unmerged? */
+       pos = -1 - pos;
+       if (pos >= istate->cache_nr ||
+                       compare_name((ce = istate->cache[pos]), path, namelen))
+               return -1;
+
+       /* order of preference: stage 2, 1, 3 */
+       if (ce_stage(ce) == 1 && pos + 1 < istate->cache_nr &&
+                       ce_stage((ce = istate->cache[pos + 1])) == 2 &&
+                       !compare_name(ce, path, namelen))
+               pos++;
+       return pos;
+}
+
 int add_file_to_index(struct index_state *istate, const char *path, int verbose)
 {
        int size, namelen;
@@ -380,7 +408,7 @@ int add_file_to_index(struct index_state *istate, const char *path, int verbose)
                 * from it, otherwise assume unexecutable regular file.
                 */
                struct cache_entry *ent;
-               int pos = index_name_pos(istate, path, namelen);
+               int pos = index_name_pos_also_unmerged(istate, path, namelen);
 
                ent = (0 <= pos) ? istate->cache[pos] : NULL;
                ce->ce_mode = ce_mode_from_stat(ent, st.st_mode);