test-lib: add the '--stress' option to run a test repeatedly under load

diff --git a/t/t6025-merge-symlinks.sh b/t/t6025-merge-symlinks.sh
index 53892a555ce2e4a51db15066771f217a135e15e9..433c4de08f0cc8d220d5368ab2ab0dffde372482 100755 (executable)
--- a/t/t6025-merge-symlinks.sh
+++ b/t/t6025-merge-symlinks.sh
@@ -18,11 +18,11 @@ git add file &&
 git commit -m initial &&
 git branch b-symlink &&
 git branch b-file &&
-l=$(echo -n file | git hash-object -t blob -w --stdin) &&
+l=$(printf file | git hash-object -t blob -w --stdin) &&
 echo "120000 $l        symlink" | git update-index --index-info &&
 git commit -m master &&
 git checkout b-symlink &&
-l=$(echo -n file-different | git hash-object -t blob -w --stdin) &&
+l=$(printf file-different | git hash-object -t blob -w --stdin) &&
 echo "120000 $l        symlink" | git update-index --index-info &&
 git commit -m b-symlink &&
 git checkout b-file &&