untracked-cache: be defensive about missing NULs in index

diff --git a/t/t7504-commit-msg-hook.sh b/t/t7504-commit-msg-hook.sh
index 302a3a2082a9da593ace637a2c32d8f4cf992cb3..31b9c6a2c1d3c30aa7d6d8a2eb836e7b67831d0c 100755 (executable)
--- a/t/t7504-commit-msg-hook.sh
+++ b/t/t7504-commit-msg-hook.sh
@@ -157,6 +157,7 @@ test_expect_success 'merge bypasses failing hook with --no-verify' '
        test_when_finished "git branch -D newbranch" &&
        test_when_finished "git checkout -f master" &&
        git checkout --orphan newbranch &&
+       git rm -f file &&
        : >file2 &&
        git add file2 &&
        git commit --no-verify file2 -m in-side-branch &&
@@ -168,7 +169,7 @@ test_expect_success 'merge bypasses failing hook with --no-verify' '
 chmod -x "$HOOK"
 test_expect_success POSIXPERM 'with non-executable hook' '
 
-       echo "content" >> file &&
+       echo "content" >file &&
        git add file &&
        git commit -m "content"
 
@@ -249,6 +250,7 @@ test_expect_success 'hook called in git-merge picks up commit message' '
        test_when_finished "git branch -D newbranch" &&
        test_when_finished "git checkout -f master" &&
        git checkout --orphan newbranch &&
+       git rm -f file &&
        : >file2 &&
        git add file2 &&
        git commit --no-verify file2 -m in-side-branch &&