Teach git diff about Objective-C syntax

diff --git a/builtin-grep.c b/builtin-grep.c
index 631129ddfd0ffe06f919882d22cfc494d9553f50..3a51662a35878ae6b5965c90abb747b5b27c5493 100644 (file)
--- a/builtin-grep.c
+++ b/builtin-grep.c
@@ -774,7 +774,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
                        /* Make sure we do not get outside of paths */
                        for (i = 0; paths[i]; i++)
                                if (strncmp(prefix, paths[i], opt.prefix_length))
-                                       die("git-grep: cannot generate relative filenames containing '..'");
+                                       die("git grep: cannot generate relative filenames containing '..'");
                }
        }
        else if (prefix) {
@@ -783,8 +783,11 @@ int cmd_grep(int argc, const char **argv, const char *prefix)
                paths[1] = NULL;
        }
 
-       if (!list.nr)
+       if (!list.nr) {
+               if (!cached)
+                       setup_work_tree();
                return !grep_cache(&opt, paths, cached);
+       }
 
        if (cached)
                die("both --cached and trees are given.");