read-tree --reset: update working tree file for conflicted paths.

diff --git a/builtin-read-tree.c b/builtin-read-tree.c
index 716f7925142bca11cf7ab5438ce5908e55285463..21361dff42e441a93b83000996a91a3a77bc1bd1 100644 (file)
--- a/builtin-read-tree.c
+++ b/builtin-read-tree.c
@@ -751,25 +751,26 @@ static int oneway_merge(struct cache_entry **src)
 
 static int read_cache_unmerged(void)
 {
-       int i, deleted;
+       int i;
        struct cache_entry **dst;
+       struct cache_entry *last = NULL;
 
        read_cache();
        dst = active_cache;
-       deleted = 0;
        for (i = 0; i < active_nr; i++) {
                struct cache_entry *ce = active_cache[i];
                if (ce_stage(ce)) {
-                       deleted++;
+                       if (last && !strcmp(ce->name, last->name))
+                               continue;
                        invalidate_ce_path(ce);
-                       continue;
+                       last = ce;
+                       ce->ce_mode = 0;
+                       ce->ce_flags &= ~htons(CE_STAGEMASK);
                }
-               if (deleted)
-                       *dst = ce;
-               dst++;
+               *dst++ = ce;
        }
-       active_nr -= deleted;
-       return deleted;
+       active_nr = dst - active_cache;
+       return !!last;
 }
 
 static void prime_cache_tree_rec(struct cache_tree *it, struct tree *tree)
@@ -850,7 +851,10 @@ int cmd_read_tree(int argc, const char **argv, char **envp)
                        continue;
                }
 
-               /* This differs from "-m" in that we'll silently ignore unmerged entries */
+               /* This differs from "-m" in that we'll silently ignore
+                * unmerged entries and overwrite working tree files that
+                * correspond to them.
+                */
                if (!strcmp(arg, "--reset")) {
                        if (stage || merge)
                                usage(read_tree_usage);