hooks: Add function to check if a hook exists

diff --git a/t/t4010-diff-pathspec.sh b/t/t4010-diff-pathspec.sh
index fbc8cd8f05f4debeb30b935c1b1db86e94e49f0e..af5134b70c6b4898aa652907d58191d45aa30ac4 100755 (executable)
--- a/t/t4010-diff-pathspec.sh
+++ b/t/t4010-diff-pathspec.sh
@@ -47,6 +47,14 @@ test_expect_success \
     'git diff-index --cached $tree -- path1/ >current &&
      compare_diff_raw current expected'
 
+cat >expected <<\EOF
+:100644 100644 766498d93a4b06057a8e49d23f4068f1170ff38f 0a41e115ab61be0328a19b29f18cdcb49338d516 M     path1/file1
+EOF
+test_expect_success \
+    '"*file1" should show path1/file1' \
+    'git diff-index --cached $tree -- "*file1" >current &&
+     compare_diff_raw current expected'
+
 cat >expected <<\EOF
 :100644 100644 766498d93a4b06057a8e49d23f4068f1170ff38f 0a41e115ab61be0328a19b29f18cdcb49338d516 M     file0
 EOF