From ea744888aee561215afcf86f45a85d517024a059 Mon Sep 17 00:00:00 2001
From: Alex Dunmow <alex.dunmow@millcrest.com.au>
Date: Wed, 3 Jun 2026 10:14:06 +0800
Subject: [PATCH] test(cli): lock in trailing newline on gitignored-tracked
 warning

Guards against a silent refactor from Fprintln to Fprint dropping the
terminating newline that downstream output relies on.
---
 cmd/ninja/cmd/plugin_test.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/cmd/ninja/cmd/plugin_test.go b/cmd/ninja/cmd/plugin_test.go
index 1ca84c8..8dd3164 100644
--- a/cmd/ninja/cmd/plugin_test.go
+++ b/cmd/ninja/cmd/plugin_test.go
@@ -203,6 +203,9 @@ func TestGitignoredTrackedWarning_FiresWhenTrackedFileMatchesGitignore(t *testin
 	if !strings.Contains(out, "git rm --cached") {
 		t.Errorf("warning should suggest `git rm --cached`, got: %q", out)
 	}
+	if !strings.HasSuffix(out, "\n") {
+		t.Errorf("warning should end with a newline (Fprintln), got: %q", out)
+	}
 }
 
 func TestGitignoredTrackedWarning_NoopWhenNothingMatches(t *testing.T) {