reopen_tempfile(): truncate opened file

diff --git a/t/t5516-fetch-push.sh b/t/t5516-fetch-push.sh
index 96c46587a510ed60ad33383de9cf43dc01bb862b..a5077d8b7c596523a3b0e0e5e45385e5d7871b9e 100755 (executable)
--- a/t/t5516-fetch-push.sh
+++ b/t/t5516-fetch-push.sh
@@ -94,6 +94,9 @@ mk_child() {
 }
 
 check_push_result () {
+       test $# -ge 3 ||
+       error "bug in the test script: check_push_result requires at least 3 parameters"
+
        repo_name="$1"
        shift
 
@@ -553,10 +556,7 @@ test_expect_success 'branch.*.pushremote config order is irrelevant' '
 test_expect_success 'push with dry-run' '
 
        mk_test testrepo heads/master &&
-       (
-               cd testrepo &&
-               old_commit=$(git show-ref -s --verify refs/heads/master)
-       ) &&
+       old_commit=$(git -C testrepo show-ref -s --verify refs/heads/master) &&
        git push --dry-run testrepo : &&
        check_push_result testrepo $old_commit heads/master
 '
@@ -612,7 +612,7 @@ test_expect_success 'push does not update local refs on failure' '
        chmod +x testrepo/.git/hooks/pre-receive &&
        (
                cd child &&
-               git pull .. master
+               git pull .. master &&
                test_must_fail git push &&
                test $(git rev-parse master) != \
                        $(git rev-parse remotes/origin/master)
@@ -634,7 +634,7 @@ test_expect_success 'pushing valid refs triggers post-receive and post-update ho
        orgmaster=$(cd testrepo && git show-ref -s --verify refs/heads/master) &&
        newmaster=$(git show-ref -s --verify refs/heads/master) &&
        orgnext=$(cd testrepo && git show-ref -s --verify refs/heads/next) &&
-       newnext=$_z40 &&
+       newnext=$ZERO_OID &&
        git push testrepo refs/heads/master:refs/heads/master :refs/heads/next &&
        (
                cd testrepo/.git &&
@@ -672,15 +672,15 @@ test_expect_success 'deleting dangling ref triggers hooks with correct args' '
        (
                cd testrepo/.git &&
                cat >pre-receive.expect <<-EOF &&
-               $_z40 $_z40 refs/heads/master
+               $ZERO_OID $ZERO_OID refs/heads/master
                EOF
 
                cat >update.expect <<-EOF &&
-               refs/heads/master $_z40 $_z40
+               refs/heads/master $ZERO_OID $ZERO_OID
                EOF
 
                cat >post-receive.expect <<-EOF &&
-               $_z40 $_z40 refs/heads/master
+               $ZERO_OID $ZERO_OID refs/heads/master
                EOF
 
                cat >post-update.expect <<-EOF &&
@@ -703,12 +703,12 @@ test_expect_success 'deletion of a non-existent ref is not fed to post-receive a
                cd testrepo/.git &&
                cat >pre-receive.expect <<-EOF &&
                $orgmaster $newmaster refs/heads/master
-               $_z40 $_z40 refs/heads/nonexistent
+               $ZERO_OID $ZERO_OID refs/heads/nonexistent
                EOF
 
                cat >update.expect <<-EOF &&
                refs/heads/master $orgmaster $newmaster
-               refs/heads/nonexistent $_z40 $_z40
+               refs/heads/nonexistent $ZERO_OID $ZERO_OID
                EOF
 
                cat >post-receive.expect <<-EOF &&
@@ -732,11 +732,11 @@ test_expect_success 'deletion of a non-existent ref alone does trigger post-rece
        (
                cd testrepo/.git &&
                cat >pre-receive.expect <<-EOF &&
-               $_z40 $_z40 refs/heads/nonexistent
+               $ZERO_OID $ZERO_OID refs/heads/nonexistent
                EOF
 
                cat >update.expect <<-EOF &&
-               refs/heads/nonexistent $_z40 $_z40
+               refs/heads/nonexistent $ZERO_OID $ZERO_OID
                EOF
 
                test_cmp pre-receive.expect pre-receive.actual &&
@@ -751,7 +751,7 @@ test_expect_success 'mixed ref updates, deletes, invalid deletes trigger hooks w
        orgmaster=$(cd testrepo && git show-ref -s --verify refs/heads/master) &&
        newmaster=$(git show-ref -s --verify refs/heads/master) &&
        orgnext=$(cd testrepo && git show-ref -s --verify refs/heads/next) &&
-       newnext=$_z40 &&
+       newnext=$ZERO_OID &&
        orgpu=$(cd testrepo && git show-ref -s --verify refs/heads/pu) &&
        newpu=$(git show-ref -s --verify refs/heads/master) &&
        git push testrepo refs/heads/master:refs/heads/master \
@@ -763,14 +763,14 @@ test_expect_success 'mixed ref updates, deletes, invalid deletes trigger hooks w
                $orgmaster $newmaster refs/heads/master
                $orgnext $newnext refs/heads/next
                $orgpu $newpu refs/heads/pu
-               $_z40 $_z40 refs/heads/nonexistent
+               $ZERO_OID $ZERO_OID refs/heads/nonexistent
                EOF
 
                cat >update.expect <<-EOF &&
                refs/heads/master $orgmaster $newmaster
                refs/heads/next $orgnext $newnext
                refs/heads/pu $orgpu $newpu
-               refs/heads/nonexistent $_z40 $_z40
+               refs/heads/nonexistent $ZERO_OID $ZERO_OID
                EOF
 
                cat >post-receive.expect <<-EOF &&