From 45ff42eb9f4efd5e16a089588dbfa5cb2f50d2e0 Mon Sep 17 00:00:00 2001
From: "Todd C. Miller" <Todd.Miller@courtesan.com>
Date: Fri, 9 May 2014 09:29:42 -0600
Subject: [PATCH] Don't try to install the temporary sudoers file if we didn't
 edit it. By default, visudo does not edit files in a #includedir. Fixes a
 NULL pointer defef on GNU hurd; Bug #647

---
 plugins/sudoers/visudo.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/plugins/sudoers/visudo.c b/plugins/sudoers/visudo.c
index c491629f2..79e6486bf 100644
--- a/plugins/sudoers/visudo.c
+++ b/plugins/sudoers/visudo.c
@@ -266,7 +266,8 @@ main(int argc, char *argv[])
      */
     if (reparse_sudoers(editor, args, strict, quiet)) {
 	TAILQ_FOREACH(sp, &sudoerslist, entries) {
-	    (void) install_sudoers(sp, oldperms);
+	    if (sp->doedit)
+		(void) install_sudoers(sp, oldperms);
 	}
     }