get_sha1_oneline: make callers prepare the commit list to traverse

diff --git a/t/t9146-git-svn-empty-dirs.sh b/t/t9146-git-svn-empty-dirs.sh
index 565365cbd3ff80d816dd02b2072045cd25ae4b93..158c8e33ef3381f3310ac39a99932d185290d685 100755 (executable)
--- a/t/t9146-git-svn-empty-dirs.sh
+++ b/t/t9146-git-svn-empty-dirs.sh
@@ -33,7 +33,7 @@ test_expect_success 'more emptiness' '
 '
 
 test_expect_success 'git svn rebase creates empty directory' '
-       ( cd cloned && git svn rebase )
+       ( cd cloned && git svn rebase ) &&
        test -d cloned/"! !"
 '