prevent script from being run multiple times

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@5 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/root/bin/firstboot b/root/bin/firstboot
index 227cedb..b8d66c1 100755 (executable)
--- a/root/bin/firstboot
+++ b/root/bin/firstboot
@@ -3,6 +3,12 @@
 exec 2>/dev/null
 
 umount /jffs 
 exec 2>/dev/null
 
 umount /jffs 

+mount | grep jffs2 && {
+       echo "firstboot has already been run"
+       echo "to run firstboot again you must boot failsafe"
+       exit
+}
+

 mtd erase OpenWrt
 mount -t jffs2 /dev/mtdblock/4 /jffs
 mount /dev/mtdblock/2 /rom -o ro
 mtd erase OpenWrt
 mount -t jffs2 /dev/mtdblock/4 /jffs
 mount /dev/mtdblock/2 /rom -o ro