Update sample pre-commit hook to use "diff --check"

diff --git a/setup.c b/setup.c
index d630e374e7c03b934de14adceb93c9c327796e6d..3b111ea7cf5f68ecca085f5a56421ea190e1771a 100644 (file)
--- a/setup.c
+++ b/setup.c
@@ -292,9 +292,10 @@ void setup_work_tree(void)
        work_tree = get_git_work_tree();
        git_dir = get_git_dir();
        if (!is_absolute_path(git_dir))
-               set_git_dir(make_absolute_path(git_dir));
+               git_dir = make_absolute_path(git_dir);
        if (!work_tree || chdir(work_tree))
                die("This operation must be run in a work tree");
+       set_git_dir(make_relative_path(git_dir, work_tree));
        initialized = 1;
 }