format-patch: Squelch 'fatal: Not a range." error

diff --git a/t/t1504-ceiling-dirs.sh b/t/t1504-ceiling-dirs.sh
index e377d48902cd5fd539a0ce4cb1fb32ceb8732632..df5ad8c686a959c9b03355c1ebc325f3c755ed46 100755 (executable)
--- a/t/t1504-ceiling-dirs.sh
+++ b/t/t1504-ceiling-dirs.sh
@@ -13,7 +13,7 @@ test_fail() {
        "git rev-parse --show-prefix"
 }
 
-TRASH_ROOT="$(pwd)"
+TRASH_ROOT="$PWD"
 ROOT_PARENT=$(dirname "$TRASH_ROOT")