Add -y/--no-prompt option to mergetool

diff --git a/read-cache.c b/read-cache.c
index 780f2c723eb0aa9ea7001ac7e6a03768c735ff74..22a814311d2cfc032129b43f6da56706c7026b9c 100644 (file)
--- a/read-cache.c
+++ b/read-cache.c
@@ -160,7 +160,7 @@ static int ce_modified_check_fs(struct cache_entry *ce, struct stat *st)
        return 0;
 }
 
-static int is_empty_blob_sha1(const unsigned char *sha1)
+int is_empty_blob_sha1(const unsigned char *sha1)
 {
        static const unsigned char empty_blob_sha1[20] = {
                0xe6,0x9d,0xe2,0x9b,0xb2,0xd1,0xd6,0x43,0x4b,0x8b,
@@ -1269,6 +1269,11 @@ int read_index_from(struct index_state *istate, const char *path)
        die("index file corrupt");
 }
 
+int is_index_unborn(struct index_state *istate)
+{
+       return (!istate->cache_nr && !istate->alloc && !istate->timestamp);
+}
+
 int discard_index(struct index_state *istate)
 {
        istate->cache_nr = 0;
@@ -1489,25 +1494,30 @@ int write_index(const struct index_state *istate, int newfd)
 int read_index_unmerged(struct index_state *istate)
 {
        int i;
-       struct cache_entry **dst;
-       struct cache_entry *last = NULL;
+       int unmerged = 0;
 
        read_index(istate);
-       dst = istate->cache;
        for (i = 0; i < istate->cache_nr; i++) {
                struct cache_entry *ce = istate->cache[i];
-               if (ce_stage(ce)) {
-                       remove_name_hash(ce);
-                       if (last && !strcmp(ce->name, last->name))
-                               continue;
-                       cache_tree_invalidate_path(istate->cache_tree, ce->name);
-                       last = ce;
+               struct cache_entry *new_ce;
+               int size, len;
+
+               if (!ce_stage(ce))
                        continue;
-               }
-               *dst++ = ce;
+               unmerged = 1;
+               len = strlen(ce->name);
+               size = cache_entry_size(len);
+               new_ce = xcalloc(1, size);
+               hashcpy(new_ce->sha1, ce->sha1);
+               memcpy(new_ce->name, ce->name, len);
+               new_ce->ce_flags = create_ce_flags(len, 0);
+               new_ce->ce_mode = ce->ce_mode;
+               if (add_index_entry(istate, new_ce, 0))
+                       return error("%s: cannot drop to stage #0",
+                                    ce->name);
+               i = index_name_pos(istate, new_ce->name, len);
        }
-       istate->cache_nr = dst - istate->cache;
-       return !!last;
+       return unmerged;
 }
 
 struct update_callback_data