diff --git a/.dir-locals.el b/.dir-locals.el
new file mode 100644
index 0000000..ff53ba0
--- /dev/null
+++ b/.dir-locals.el
@@ -0,0 +1,4 @@
+;;; Directory Local Variables
+;;; For more information see (info "(emacs) Directory Variables")
+
+((nil . ((bug-reference-url-format . "https://bugs.gentoo.org/%s"))))
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..76d42c4
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+!/.dir-locals.el