From f99c7aa5de9aa1aa7d624380235cbd295a4764b8 Mon Sep 17 00:00:00 2001
From: Serge Hallyn <serge.hallyn@canonical.com>
Date: Wed, 5 Dec 2012 10:38:07 -0600
Subject: [PATCH] lxc-create: refuse to use a custom rootfs (--dir) which
 already exists.
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Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>
Acked-by: Stéphane Graber <stgraber@ubuntu.com>
---
 src/lxc/lxc-create.in | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/lxc/lxc-create.in b/src/lxc/lxc-create.in
index 650a245a3..3c66bfa7b 100644
--- a/src/lxc/lxc-create.in
+++ b/src/lxc/lxc-create.in
@@ -313,6 +313,10 @@ if [ -n "$custom_rootfs" ]; then
         echo "configuration file already specifies a lxc.rootfs"
         exit 1
     fi
+    if [ -d "$custom_rootfs" ]; then
+        echo "specified rootfs ($custom_rootfs) already exists.  Bailing."
+        exit 1
+    fi
     echo "lxc.rootfs = $custom_rootfs" >> $lxc_path/$lxc_name/config
 fi