core-agent-linux/network/qubes-fix-nm-conf.sh

#!/bin/sh
FILE=/etc/NetworkManager/NetworkManager.conf
VIFMAC=mac:fe:ff:ff:ff:ff:ff
if ! grep -q '^plugins.*keyfile' $FILE ; then
	sed -i 's/^plugins.*$/&,keyfile/' $FILE
fi
if grep -q '^plugins.*ifcfg-rh' $FILE ; then
	sed -i 's/^plugins=\(.*\)ifcfg-rh,\(.*\)$/plugins=\1\2/' $FILE
fi
if ! grep -q '^\[keyfile\]$' $FILE ; then
	echo '[keyfile]' >> $FILE
fi
if ! grep -q '^unmanaged-devices' $FILE ; then
	sed -i 's/^\[keyfile\]$/\[keyfile\]\x0aunmanaged-devices='$VIFMAC/ $FILE
fi
if ! grep -q "^unmanaged-devices.*$VIFMAC" $FILE ; then
	sed -i 's/^unmanaged-devices.*$/&,'$VIFMAC/ $FILE
fi
if ! grep -q "^dns=" $FILE ; then
	sed -i '/\[main\] a dns=default' $FILE
fi
exit 0