Merge branch 'fixes'

[git.git] / update-index.c

diff --git a/update-index.c b/update-index.c
index 01eaa1a..b825a11 100644 (file)
--- a/update-index.c
+++ b/update-index.c
@@ -13,7 +13,7 @@
  * like "git-update-index *" and suddenly having all the object
  * files be revision controlled.
  */
-static int allow_add = 0, allow_remove = 0, allow_replace = 0, not_new = 0, quiet = 0, info_only = 0;
+static int allow_add = 0, allow_remove = 0, allow_replace = 0, allow_unmerged = 0, not_new = 0, quiet = 0, info_only = 0;
 static int force_remove;
 
 /* Three functions to allow overloaded pointer return; see linux/err.h */
@@ -135,7 +135,7 @@ static struct cache_entry *refresh_entry(struct cache_entry *ce)
 
        changed = ce_match_stat(ce, &st);
        if (!changed)
-               return ce;
+               return NULL;
 
        if (ce_modified(ce, &st))
                return ERR_PTR(-EINVAL);
@@ -156,16 +156,20 @@ static int refresh_cache(void)
                struct cache_entry *ce, *new;
                ce = active_cache[i];
                if (ce_stage(ce)) {
-                       printf("%s: needs merge\n", ce->name);
-                       has_errors = 1;
                        while ((i < active_nr) &&
                               ! strcmp(active_cache[i]->name, ce->name))
                                i++;
                        i--;
+                       if (allow_unmerged)
+                               continue;
+                       printf("%s: needs merge\n", ce->name);
+                       has_errors = 1;
                        continue;
                }
 
                new = refresh_entry(ce);
+               if (!new)
+                       continue;
                if (IS_ERR(new)) {
                        if (not_new && PTR_ERR(new) == -ENOENT)
                                continue;
@@ -335,6 +339,10 @@ int main(int argc, const char **argv)
                                allow_remove = 1;
                                continue;
                        }
+                       if (!strcmp(path, "--unmerged")) {
+                               allow_unmerged = 1;
+                               continue;
+                       }
                        if (!strcmp(path, "--refresh")) {
                                has_errors |= refresh_cache();
                                continue;
@@ -383,9 +391,11 @@ int main(int argc, const char **argv)
                        update_one(buf.buf, prefix, prefix_length);
                }
        }
-       if (write_cache(newfd, active_cache, active_nr) ||
-           commit_index_file(&cache_file))
-               die("Unable to write new cachefile");
+       if (active_cache_changed) {
+               if (write_cache(newfd, active_cache, active_nr) ||
+                   commit_index_file(&cache_file))
+                       die("Unable to write new cachefile");
+       }
 
        return has_errors ? 1 : 0;
 }