| test_expect_success "setup proc-receive hook (unexpected ref, $PROTOCOL)" ' | 
 | 	write_script "$upstream/hooks/proc-receive" <<-EOF | 
 | 	printf >&2 "# proc-receive hook\n" | 
 | 	test-tool proc-receive -v \ | 
 | 		-r "ok refs/heads/main" | 
 | 	EOF | 
 | ' | 
 |  | 
 | # Refs of upstream : main(A) | 
 | # Refs of workbench: main(A)  tags/v123 | 
 | # git push         : (B)                   refs/for/main/topic | 
 | test_expect_success "proc-receive: report unexpected ref ($PROTOCOL)" ' | 
 | 	test_must_fail git -C workbench push origin \ | 
 | 		$B:refs/heads/main \ | 
 | 		HEAD:refs/for/main/topic \ | 
 | 		>out-$test_count 2>&1 && | 
 | 	make_user_friendly_and_stable_output <out-$test_count >actual && | 
 | 	format_and_save_expect <<-EOF && | 
 | 	> remote: # pre-receive hook        Z | 
 | 	> remote: pre-receive< <COMMIT-A> <COMMIT-B> refs/heads/main        Z | 
 | 	> remote: pre-receive< <ZERO-OID> <COMMIT-A> refs/for/main/topic        Z | 
 | 	> remote: # proc-receive hook        Z | 
 | 	> remote: proc-receive< <ZERO-OID> <COMMIT-A> refs/for/main/topic        Z | 
 | 	> remote: proc-receive> ok refs/heads/main        Z | 
 | 	> remote: error: proc-receive reported status on unexpected ref: refs/heads/main        Z | 
 | 	> remote: # post-receive hook        Z | 
 | 	> remote: post-receive< <COMMIT-A> <COMMIT-B> refs/heads/main        Z | 
 | 	> To <URL/of/upstream.git> | 
 | 	>    <COMMIT-A>..<COMMIT-B>  <COMMIT-B> -> main | 
 | 	>  ! [remote rejected] HEAD -> refs/for/main/topic (proc-receive failed to report status) | 
 | 	EOF | 
 | 	test_cmp expect actual && | 
 |  | 
 | 	test_cmp_refs -C "$upstream" <<-EOF | 
 | 	<COMMIT-B> refs/heads/main | 
 | 	EOF | 
 | ' | 
 |  | 
 | # Refs of upstream : main(B) | 
 | # Refs of workbench: main(A)  tags/v123 | 
 | test_expect_success "cleanup ($PROTOCOL)" ' | 
 | 	git -C "$upstream" update-ref refs/heads/main $A | 
 | ' |