pacman/scripts/updatesync

#!/bin/bash
# 
#   updatesync
#  
#   Copyright (c) 2004 by Jason Chu <jason@archlinux.org>
#   Derived from gensync (c) 2002-2006 Judd Vinet <jvinet@zeroflux.org>
#  
#   This program is free software; you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation; either version 2 of the License, or
#   (at your option) any later version.
# 
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.
#  
#   You should have received a copy of the GNU General Public License
#   along with this program; if not, write to the Free Software
#   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 
#   USA.
#

myver='3.0.0'

usage() {
	echo "updatesync $myver"
	echo "usage: $0 <action> <destfile> <option> [package_directory]"
	echo
	echo "updatesync will update a sync database by reading a PKGBUILD and"
	echo "modifying the destfile. updatesync updates the database in a temporary"
	echo "directory and then compresses it to <destfile>."
	echo
	echo "There are two types of actions:"
	echo
	echo "upd - Will update a package's entry or create it if it doesn't exist."
	echo "      It takes the package's PKGBUILD as an option."
	echo "del - Will remove a package's entry from the db."
	echo "      It takes the package's name as an option."
	echo
	echo "updatesync will calculate md5sums of packages in the same directory as"
	echo "<destfile>, unless an alternate [package_directory] is specified."
	echo
	echo "example:  updatesync upd /home/mypkgs/custom.db.tar.gz PKGBUILD"
	echo
	echo
	exit 0
}

BUILDSCRIPT="PKGBUILD"
PKGEXT="pkg.tar.gz" 

source /etc/makepkg.conf

error () {
	echo "==> ERROR: $*" >&2
}

die () {
	error $*
	exit 1
}

check_force () {
	local i
	for i in ${options[@]}; do
		local lc=$(echo $i | tr [:upper:] [:lower:])
		if [ "$lc" = "force" ]; then
			true
		fi
	done
	false
}

if [ $# -lt 3 ]; then
	usage
	exit 1
fi

if [ "$1" = "-h" -o "$1" = "--help" ]; then
	usage
	exit 0
fi

if [ "$1" != "upd" -a "$1" != "del" ]; then
	usage
	exit 1
fi

action=$1
pkgdb=$2
option=$3
pkgdir="$(pwd)"
if [ "$4" != "" ]; then
	pkgdir="$4"
fi
opt_force=""

if [ ! -f "$option" ]; then
	die "$option not found"
fi

if [ "$action" = "upd" ]; then # INSERT / UPDATE
	unset pkgname pkgver pkgrel options

	source $option || die "failed to parse $option"
	pkgfile="$pkgdir/$pkgname-$pkgver-$pkgrel-$CARCH.$PKGEXT"

	if [ ! -f "$pkgfile" ]; then
		die "could not find $pkgname-$pkgver-$pkgrel-$CARCH.$PKGEXT - aborting"
	fi

	if check_force; then
		opt_force="--force"
	fi

	repo-add "$pkgdb" $opt_force "$pkgfile"
else # DELETE
	fname="$(basename $option)"
	if [ "$fname" = "PKGBUILD" ]; then
		unset pkgname pkgver pkgrel options
		source $option
	else
		pkgname=$1
	fi

	repo-remove "$pkgdb" "$pkgname"
fi

exit 0
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