get_sha1_oneline: make callers prepare the commit list to traverse

diff --git a/t/t5503-tagfollow.sh b/t/t5503-tagfollow.sh
index b6b1fc30cd994129b5894c45c01f3b8b3a73eddc..60de2d6ede958e713aebe85d73ee65ddbc10201d 100755 (executable)
--- a/t/t5503-tagfollow.sh
+++ b/t/t5503-tagfollow.sh
@@ -4,7 +4,7 @@ test_description='test automatic tag following'
 
 . ./test-lib.sh
 
-if !test_have_prereq NOT_MINGW; then
+if ! test_have_prereq NOT_MINGW; then
        say "GIT_DEBUG_SEND_PACK not supported - skipping tests"
 fi
 
@@ -49,7 +49,7 @@ EOF
 '
 
 test_expect_success NOT_MINGW 'fetch A (new commit : 1 connection)' '
-       rm -f $U
+       rm -f $U &&
        (
                cd cloned &&
                GIT_DEBUG_SEND_PACK=3 git fetch 3>../$U &&
@@ -82,7 +82,7 @@ EOF
 '
 
 test_expect_success NOT_MINGW 'fetch C, T (new branch, tag : 1 connection)' '
-       rm -f $U
+       rm -f $U &&
        (
                cd cloned &&
                GIT_DEBUG_SEND_PACK=3 git fetch 3>../$U &&
@@ -121,7 +121,7 @@ EOF
 '
 
 test_expect_success NOT_MINGW 'fetch B, S (commit and tag : 1 connection)' '
-       rm -f $U
+       rm -f $U &&
        (
                cd cloned &&
                GIT_DEBUG_SEND_PACK=3 git fetch 3>../$U &&