From 1a2f956fc1d08d16e6e7e220056bd1fa39a8c2df Mon Sep 17 00:00:00 2001
From: Natanael Copa <ncopa@alpinelinux.org>
Date: Fri, 27 May 2022 12:08:07 +0200
Subject: lbu: add test for lbu diff usage

---
 lbu.in         | 4 ++--
 tests/lbu_test | 7 ++++++-
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/lbu.in b/lbu.in
index 9155892..bff12a2 100644
--- a/lbu.in
+++ b/lbu.in
@@ -673,13 +673,13 @@ usage_diff() {
 
 		usage: $PROGRAM diff [<media>]
 	__EOF__
-	exit 1
+	exit $1
 }
 
 cmd_diff() {
 	local diff_opts=
 	LBU_MEDIA=${1:-"$LBU_MEDIA"}
-	[ -z "$LBU_MEDIA" ] && [ -z "$LBU_BACKUPDIR" ] && usage_diff
+	[ -z "$LBU_MEDIA" ] && [ -z "$LBU_BACKUPDIR" ] && usage_diff "1" >&2
 	local tmp
 	init_tmpdir tmp
 	mkdir -p "$tmp/a" "$tmp/b"
diff --git a/tests/lbu_test b/tests/lbu_test
index 08043fb..e7c1128 100755
--- a/tests/lbu_test
+++ b/tests/lbu_test
@@ -10,7 +10,8 @@ init_tests \
 	lbu_ci_usage \
 	lbu_exclude_usage \
 	lbu_ex_usage \
-	lbu_delete_usage
+	lbu_delete_usage \
+	lbu_diff_usage
 
 lbu_usage_body() {
 	test_usage lbu
@@ -60,3 +61,7 @@ lbu_delete_usage_body() {
 		lbu delete -h
 }
 
+lbu_diff_usage_body() {
+	test_usage "lbu diff"
+}
+
-- 
cgit v1.2.3