#!/bin/bash
# rfs-pacman
# simplified rootfs manipulation with pacman.
##

# current directory
PWD=`pwd`

# does this directory have etc/pacman.conf?
if [ -f $PWD/etc/pacman.conf ]; then

SHORT=`echo $PWD | sed 's/.*\///'`
ARCH=`grep 'Architecture =' etc/pacman.conf | sed 's/Architecture = //'`
echo "Calling pacman:"
echo " -root: $PWD"
echo " -arch: $ARCH"

SEDPWD=`echo $PWD | sed 's/\\//\\\\\//g'`
sed "s/\/etc\/pacman.d/$SEDPWD\/etc\/pacman.d/" \
    $PWD/etc/pacman.conf > etc/pacman.conf.rfs

pacman \
  -r $PWD \
  -b $PWD/var/lib/pacman \
  --arch $ARCH \
  --cachedir $PWD/var/cache/pacman/pkg \
  --config $PWD/etc/pacman.conf.rfs \
  --logfile $PWD/../$SHORT.pacman.log \
  $@

rm $PWD/etc/pacman.conf.rfs

else
echo "'$PWD' doesn't appear to be a rootfs."
fi