check for existence of /etc/grml and /live

[grml-live.git] / remaster / grml-live-remaster

diff --git a/remaster/grml-live-remaster b/remaster/grml-live-remaster
index 69b8f04..39cc81b 100755 (executable)
--- a/remaster/grml-live-remaster
+++ b/remaster/grml-live-remaster
@@ -24,6 +24,11 @@ set -e # exit on any error
 VERSION='0.0.2'
 GRML_LIVE_EDITOR=${VISUAL:-${EDITOR:-vi}}
 
+if [ ! -d /etc/grml -o ! -d /live ]; then
+    echo "Error: $0 has to be run from a Grml live session. Exiting."
+    exit 1
+fi
+
 # source core functions {{{
 . /etc/grml/lsb-functions
 . /etc/grml/script-functions
@@ -55,7 +60,7 @@ if [ x"$1" == x ]; then
    echo "  first, because grml-live-remaster will need a lot ot RAM."
    echo ""
    echo "Please report bugs and feature requests: http://grml.org/bugs/"
-   exit -1
+   exit 1
 fi
 
 if [ ! -d /remaster ]; then