subtree: t7900: add a test for the -h flag

LukeShu · gitster · commit b2699769792c · 2021-04-28T16:47:17.000+09:00
It's a dumb test, but it's surprisingly easy to break.

Signed-off-by: Luke Shumaker &lt;lukeshu@datawire.io&gt;
Signed-off-by: Junio C Hamano &lt;gitster@pobox.com&gt;
diff --git a/contrib/subtree/t/t7900-subtree.sh b/contrib/subtree/t/t7900-subtree.sh
@@ -37,6 +37,13 @@ last_commit_subject () {
 	git log --pretty=format:%s -1
 }
 
+test_expect_success 'shows short help text for -h' '
+	test_expect_code 129 git subtree -h >out 2>err &&
+	test_must_be_empty err &&
+	grep -e "^ *or: git subtree pull" out &&
+	grep -e --annotate out
+'
+
 #
 # Tests for 'git subtree add'
 #

Original file line number	Diff line number	Diff line change
`@@ -37,6 +37,13 @@ last_commit_subject () {`
`37`	`37`	`git log --pretty=format:%s -1`
`38`	`38`	`}`
`39`	`39`
	`40`	`+test_expect_success 'shows short help text for -h' '`
	`41`	`+ test_expect_code 129 git subtree -h >out 2>err &&`
	`42`	`+ test_must_be_empty err &&`
	`43`	`+ grep -e "^ *or: git subtree pull" out &&`
	`44`	`+ grep -e --annotate out`
	`45`	`+'`
	`46`	`+`
`40`	`47`	`#`
`41`	`48`	`# Tests for 'git subtree add'`
`42`	`49`	`#`