From 211b579d6c234d78b0d30bd259d1e344d651529c Mon Sep 17 00:00:00 2001
From: =?utf8?q?Paul=20H=C3=A4nsch?= <paul@plutz.net>
Date: Sat, 24 Aug 2019 21:01:21 +0200
Subject: [PATCH] avoid regenerating existing ssh key

---
 modules/default.mk | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/default.mk b/modules/default.mk
index a0e88a2..6b1f08e 100644
--- a/modules/default.mk
+++ b/modules/default.mk
@@ -83,7 +83,7 @@ _rootpass: ${CFGROOT}
 	chroot "$${CFGROOT}" usermod -p "$$(openssl passwd "$${rootpass}")" root
 
 ${rootkey}.pub:
-	ssh-keygen -N '' -f "$${rootkey}"
+	[ -f "$@" ] || ssh-keygen -N '' -f "$${rootkey}"
 
 _rootkey: ${CFGROOT} ${rootkey}.pub
 	mkdir -m 700 "$${CFGROOT}/root/.ssh/"
-- 
2.39.2