builtin-grep: allow more than one patterns.

diff --git a/refs.c b/refs.c
index 826ae7ade7b7ebab01f4446ccb135c6f90c5a3a2..03398ccc531c15e549b66c43a176fd7b2bde4aca 100644 (file)
--- a/refs.c
+++ b/refs.c
@@ -151,10 +151,15 @@ static int do_for_each_ref(const char *base, int (*fn)(const char *path, const u
                                        break;
                                continue;
                        }
-                       if (read_ref(git_path("%s", path), sha1) < 0)
+                       if (read_ref(git_path("%s", path), sha1) < 0) {
+                               error("%s points nowhere!", path);
                                continue;
-                       if (!has_sha1_file(sha1))
+                       }
+                       if (!has_sha1_file(sha1)) {
+                               error("%s does not point to a valid "
+                                     "commit object!", path);
                                continue;
+                       }
                        retval = fn(path, sha1);
                        if (retval)
                                break;