t9129: skip the last three tests if UTF-8 locale is not available

Signed-off-by: Miklos Vajna <vmiklos@frugalware.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/t/t9129-git-svn-i18n-commitencoding.sh b/t/t9129-git-svn-i18n-commitencoding.sh
index 938b7fe..8a9dde4 100755
--- a/t/t9129-git-svn-i18n-commitencoding.sh
+++ b/t/t9129-git-svn-i18n-commitencoding.sh
@@ -60,21 +60,25 @@
 	'
 done
 
-test_expect_success 'ISO-8859-1 should match UTF-8 in svn' '
-(
-	cd ISO-8859-1 &&
-	compare_svn_head_with "$TEST_DIRECTORY"/t3900/1-UTF-8.txt
-)
-'
-
-for H in EUCJP ISO-2022-JP
-do
-	test_expect_success '$H should match UTF-8 in svn' '
+if locale -a |grep -q en_US.utf8; then
+	test_expect_success 'ISO-8859-1 should match UTF-8 in svn' '
 	(
-		cd $H &&
-		compare_svn_head_with "$TEST_DIRECTORY"/t3900/2-UTF-8.txt
+		cd ISO-8859-1 &&
+		compare_svn_head_with "$TEST_DIRECTORY"/t3900/1-UTF-8.txt
 	)
 	'
-done
+
+	for H in EUCJP ISO-2022-JP
+	do
+		test_expect_success '$H should match UTF-8 in svn' '
+		(
+			cd $H &&
+			compare_svn_head_with "$TEST_DIRECTORY"/t3900/2-UTF-8.txt
+		)
+		'
+	done
+else
+	say "UTF-8 locale not available, test skipped"
+fi
 
 test_done