Merge tag 'v2.7.6' into maint-2.8

Git 2.7.6

t/t5532-fetch-proxy.sh

@@ -43,4 +43,9 @@ test_expect_success 'fetch through proxy works' '
 	test_cmp expect actual
 '
 
+test_expect_success 'funny hostnames are rejected before running proxy' '
+	test_must_fail git fetch git://-remote/repo.git 2>stderr &&
+	! grep "proxying for" stderr
+'
+
 test_done