grep: enable recurse-submodules to work on <tree> objects

diff --git a/t/t0021-conversion.sh b/t/t0021-conversion.sh
index 9ff502773d07819b43d027a0a1ee0fdf98f77e93..4ea534e9fa70ea302d4a88a8bc922c100f896873 100755 (executable)
--- a/t/t0021-conversion.sh
+++ b/t/t0021-conversion.sh
@@ -4,7 +4,7 @@ test_description='blob conversion via gitattributes'
 
 . ./test-lib.sh
 
-TEST_ROOT="$(pwd)"
+TEST_ROOT="$PWD"
 PATH=$TEST_ROOT:$PATH
 
 write_script <<\EOF "$TEST_ROOT/rot13.sh"
@@ -29,8 +29,7 @@ file_size () {
 
 filter_git () {
        rm -f rot13-filter.log &&
-       git "$@" 2>git-stderr.log &&
-       rm -f git-stderr.log
+       git "$@"
 }
 
 # Compare two files and ensure that `clean` and `smudge` respectively are