#!/bin/bash
# Author: Iain Douglas <centos@1n6.org.uk>

t_Log "Running $0"
cleanup() {
echo "Reverting files to original state"
[[ -d /var/tmp/grpunconv ]] &&  cp /var/tmp/grpunconv/* /etc && rm -r /var/tmp/grpunconv
}

# Test grpunconv 
# Check we have both /etc/group and /etc/gshadow  then save them
[[ -e /etc/group && -e /etc/gshadow ]] || { t_Log "FAIL: missing source file"; exit $FAIL; }

mkdir -p /var/tmp/grpunconv || { t_Log "FAIL: Unable to create directory to save source files in "; exit $FAIL; }
cp /etc/group /etc/gshadow /var/tmp/grpunconv || { t_Log "FAIL: Unable to save source files"; exit $FAIL; }

#Check the source files are sane
echo "Checking source files are sane"
grpck
t_CheckExitStatus $?
trap cleanup EXIT
echo "Converting /etc/group and /etc/gshadow to merged /etc/group"
grpunconv
t_CheckExitStatus $?