diff --git a/t/t5548-push-porcelain.sh b/t/t5548-push-porcelain.sh
index ededd8edb9..799f6066a3 100755
--- a/t/t5548-push-porcelain.sh
+++ b/t/t5548-push-porcelain.sh
@@ -4,6 +4,9 @@
 #
 test_description='Test git push porcelain output'
 
+GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
+export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
+
 . ./test-lib.sh
 
 # Create commits in <repo> and assign each commit's oid to shell variables
@@ -132,6 +135,40 @@ run_git_push_porcelain_output_test() {
 		;;
 	esac
 
+	# Refs of upstream : main(B)  foo(A)  bar(A)  baz(A)
+	# Refs of workbench: main(A)                  baz(A)  next(A)
+	# git-push         : main(A)  NULL    (B)     baz(A)  next(A)
+	test_expect_success ".. git-push --porcelain ($PROTOCOL)" '
+		test_when_finished "setup_upstream \"$upstream\"" &&
+		test_must_fail git -C workbench push --porcelain origin \
+			main \
+			:refs/heads/foo \
+			$B:bar \
+			baz \
+			next >out &&
+		make_user_friendly_and_stable_output <out >actual &&
+		format_and_save_expect <<-EOF &&
+		> To <URL/of/upstream.git>
+		> =	refs/heads/baz:refs/heads/baz	[up to date]
+		>  	<COMMIT-B>:refs/heads/bar	<COMMIT-A>..<COMMIT-B>
+		> -	:refs/heads/foo	[deleted]
+		> *	refs/heads/next:refs/heads/next	[new branch]
+		> !	refs/heads/main:refs/heads/main	[rejected] (non-fast-forward)
+		> Done
+		EOF
+		test_cmp expect actual &&
+
+		git -C "$upstream" show-ref >out &&
+		make_user_friendly_and_stable_output <out >actual &&
+		cat >expect <<-EOF &&
+		<COMMIT-B> refs/heads/bar
+		<COMMIT-A> refs/heads/baz
+		<COMMIT-B> refs/heads/main
+		<COMMIT-A> refs/heads/next
+		EOF
+		test_cmp expect actual
+	'
+
 	# Refs of upstream : main(B)  foo(A)  bar(A)  baz(A)
 	# Refs of workbench: main(A)                  baz(A)  next(A)
 	# git-push         : main(A)  NULL    (B)     baz(A)  next(A)
@@ -203,13 +240,9 @@ run_git_push_porcelain_output_test() {
 	# Refs of upstream : main(B)  foo(A)  bar(A)  baz(A)
 	# Refs of workbench: main(A)                  baz(A)  next(A)
 	# git-push         : main(A)  NULL    (B)     baz(A)  next(A)
-	test_expect_success ".. pre-receive hook declined ($PROTOCOL)" '
-		test_when_finished "rm -f \"$upstream/hooks/pre-receive\" &&
-			setup_upstream \"$upstream\"" &&
-		test_hook --setup -C "$upstream" pre-receive <<-EOF &&
-			exit 1
-		EOF
-		test_must_fail git -C workbench push --porcelain --force origin \
+	test_expect_success ".. git push --porcelain --atomic --force ($PROTOCOL)" '
+		test_when_finished "setup_upstream \"$upstream\"" &&
+		git -C workbench push --porcelain --atomic --force origin \
 			main \
 			:refs/heads/foo \
 			$B:bar \
@@ -219,10 +252,10 @@ run_git_push_porcelain_output_test() {
 		format_and_save_expect <<-EOF &&
 		> To <URL/of/upstream.git>
 		> =	refs/heads/baz:refs/heads/baz	[up to date]
-		> !	<COMMIT-B>:refs/heads/bar	[remote rejected] (pre-receive hook declined)
-		> !	:refs/heads/foo	[remote rejected] (pre-receive hook declined)
-		> !	refs/heads/main:refs/heads/main	[remote rejected] (pre-receive hook declined)
-		> !	refs/heads/next:refs/heads/next	[remote rejected] (pre-receive hook declined)
+		>  	<COMMIT-B>:refs/heads/bar	<COMMIT-A>..<COMMIT-B>
+		> -	:refs/heads/foo	[deleted]
+		> +	refs/heads/main:refs/heads/main	<COMMIT-B>...<COMMIT-A> (forced update)
+		> *	refs/heads/next:refs/heads/next	[new branch]
 		> Done
 		EOF
 		test_cmp expect actual &&
@@ -230,29 +263,37 @@ run_git_push_porcelain_output_test() {
 		git -C "$upstream" show-ref >out &&
 		make_user_friendly_and_stable_output <out >actual &&
 		cat >expect <<-EOF &&
-		<COMMIT-A> refs/heads/bar
+		<COMMIT-B> refs/heads/bar
 		<COMMIT-A> refs/heads/baz
-		<COMMIT-A> refs/heads/foo
-		<COMMIT-B> refs/heads/main
+		<COMMIT-A> refs/heads/main
+		<COMMIT-A> refs/heads/next
 		EOF
 		test_cmp expect actual
 	'
 
 	# Refs of upstream : main(B)  foo(A)  bar(A)  baz(A)
 	# Refs of workbench: main(A)                  baz(A)  next(A)
-	# git-push         : main(A)                          next(A)
-	test_expect_success ".. non-fastforward push ($PROTOCOL)" '
-		(
-			cd workbench &&
-			test_must_fail git push --porcelain origin \
-				main \
-				next
-		) >out &&
+	# git-push         : main(A)  NULL    (B)     baz(A)  next(A)
+	test_expect_success ".. pre-receive hook declined ($PROTOCOL)" '
+		test_when_finished "rm -f \"$upstream/hooks/pre-receive\" &&
+			setup_upstream \"$upstream\"" &&
+		test_hook --setup -C "$upstream" pre-receive <<-EOF &&
+			exit 1
+		EOF
+		test_must_fail git -C workbench push --porcelain --force origin \
+			main \
+			:refs/heads/foo \
+			$B:bar \
+			baz \
+			next >out &&
 		make_user_friendly_and_stable_output <out >actual &&
 		format_and_save_expect <<-EOF &&
 		> To <URL/of/upstream.git>
-		> *	refs/heads/next:refs/heads/next	[new branch]
-		> !	refs/heads/main:refs/heads/main	[rejected] (non-fast-forward)
+		> =	refs/heads/baz:refs/heads/baz	[up to date]
+		> !	<COMMIT-B>:refs/heads/bar	[remote rejected] (pre-receive hook declined)
+		> !	:refs/heads/foo	[remote rejected] (pre-receive hook declined)
+		> !	refs/heads/main:refs/heads/main	[remote rejected] (pre-receive hook declined)
+		> !	refs/heads/next:refs/heads/next	[remote rejected] (pre-receive hook declined)
 		> Done
 		EOF
 		test_cmp expect actual &&
@@ -264,7 +305,6 @@ run_git_push_porcelain_output_test() {
 		<COMMIT-A> refs/heads/baz
 		<COMMIT-A> refs/heads/foo
 		<COMMIT-B> refs/heads/main
-		<COMMIT-A> refs/heads/next
 		EOF
 		test_cmp expect actual
 	'
