RemovePackage

#!/bin/bash

# Remove a program from ROLayer and RootFS and cleans up broken links. The tarball at Packages is also deleted.
# Lucas C. Villa Real <lucasvr@gobolinux.org>

if [ ! -e $(dirname "$0")/.workdir.conf ]
then
    echo "$(dirname $0)/.workdir.conf does not exist."
    echo "Please run the GoboALFS script before launching this script."
    exit 1
fi

source $(dirname "$0")/.workdir.conf
ARCH=$(uname -m)

function Die() { echo "$@"; exit 1; }

###################
# Argument parsing
###################

PKGNAME="$1"
PKGVERSION="$2"
[ -z "$PKGNAME" ] && Die "Syntax: $0 <program name> [version]"
[ -z "$PKGVERSION" ] && PKGVERSION=".*"

################
# Sanity checks
################

count=$(ls $WORKDIR/Packages/ | grep -i "^${PKGNAME}--${PKGVERSION}-r.*--${ARCH}.tar.bz2" | wc -l | awk {'print $1'})
if [ "$count" -gt 1 ] && [ "$PKGVERSION" = ".*" ]
then Die "More than one version of $PKGNAME is currently installed. Please specify a version."
elif [ $count -eq 0 ] && [ "$PKGVERSION" = ".*" ]
then Die "No package named $PKGNAME has been found. Please check that case is correct."
elif [ $count -eq 0 ]
then Die "No package named $PKGNAME with version $PKGVERSION has been found. Please check that case is correct."
fi

[ "$PKGVERSION" = ".*" ] && PKGVERSION="*"

############
# Operation
############

echo "Removing binary package..."
sudo rm -vf $WORKDIR/Packages/${PKGNAME}--${PKGVERSION}-r*--${ARCH}.tar.bz2

echo "Removing files from RootFS..."
sudo rm -rf $WORKDIR/RootFS/Programs/${PKGNAME}/${PKGVERSION}
sudo rmdir -q $WORKDIR/RootFS/Programs/${PKGNAME} 2> /dev/null
sudo chroot $WORKDIR/RootFS find /System/Index /System/Settings | sudo chroot $WORKDIR/RootFS RemoveBroken

echo "Removing files from ROLayer..."
sudo rm -rf $WORKDIR/ISO/Output/ROLayer/Programs/${PKGNAME}/${PKGVERSION}
sudo rmdir $WORKDIR/ISO/Output/ROLayer/Programs/${PKGNAME} 2> /dev/null
sudo chroot $WORKDIR/ISO/Output/ROLayer find /System/Index /System/Settings | sudo chroot $WORKDIR/ISO/Output/ROLayer RemoveBroken