test: test_must_be_empty helper

diff --git a/t/t5003-archive-zip.sh b/t/t5003-archive-zip.sh
index 7cfe9ca3dacb1488aa44ea3643e1333d346feac7..4e7b05dd2391125b1c9e58404c552647107099cd 100755 (executable)
--- a/t/t5003-archive-zip.sh
+++ b/t/t5003-archive-zip.sh
@@ -3,15 +3,9 @@
 test_description='git archive --format=zip test'
 
 . ./test-lib.sh
-GIT_UNZIP=${GIT_UNZIP:-unzip}
 
 SUBSTFORMAT=%H%n
 
-test_lazy_prereq UNZIP '
-       "$GIT_UNZIP" -v
-       test $? -ne 127
-'
-
 test_lazy_prereq UNZIP_SYMLINKS '
        (
                mkdir unzip-symlinks &&
@@ -76,6 +70,12 @@ test_expect_success \
      git update-ref HEAD $(TZ=GMT GIT_COMMITTER_DATE="2005-05-27 22:00:00" \
      git commit-tree $treeid </dev/null)'
 
+test_expect_success 'setup export-subst' '
+       echo "substfile?" export-subst >>.git/info/attributes &&
+       git log --max-count=1 "--pretty=format:A${SUBSTFORMAT}O" HEAD \
+               >a/substfile1
+'
+
 test_expect_success \
     'create bare clone' \
     'git clone --bare . bare.git &&