fsck: detect null sha1 in tree entries

diff --git a/t/lib-patch-mode.sh b/t/lib-patch-mode.sh
old mode 100755 (executable)
new mode 100644 (file)
index 75a3ee2..06c3c91
--- a/t/lib-patch-mode.sh
+++ b/t/lib-patch-mode.sh
@@ -1,9 +1,6 @@
-. ./test-lib.sh
+: included from t2016 and others
 
-if ! test_have_prereq PERL; then
-       say 'skipping --patch tests, perl not available'
-       test_done
-fi
+. ./test-lib.sh
 
 set_state () {
        echo "$3" > "$1" &&