Fix sample pre-commit hook

If the worktree happened to have a file called HEAD, "diff-index --cached HEAD"
would complain about the ambiguity between revision and path.  Avoid it by
using an explicit "--" for disambiguation.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/templates/hooks--pre-commit b/templates/hooks--pre-commit
index 18b87309f65be23794b87260e08c547f5deeefce..8b057be30411e3f0074599778666c1254d82329e 100644 (file)
--- a/templates/hooks--pre-commit
+++ b/templates/hooks--pre-commit
@@ -13,7 +13,7 @@
 
 if git-rev-parse --verify HEAD 2>/dev/null
 then
-       git-diff-index -p -M --cached HEAD
+       git-diff-index -p -M --cached HEAD --
 else
        # NEEDSWORK: we should produce a diff with an empty tree here
        # if we want to do the same verification for the initial import.