#!/bin/bash
# Copyright 1999-2004 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-src/portage/bin/quickpkg,v 1.13.2.4 2005/01/30 11:33:02 jstubbs Exp $

# This script tries to quickly create a Gentoo binary package using the
# VDB_PATH/category/pkg/*  files
#
# Resulting tbz2 file will be created in ${PKGDIR} ...
# default is /usr/portage/packages/All/

if [ "`whoami`" != "root" ] ; then
	echo "You must run this as root"
	exit 1
fi

export PORTAGE_DB="$(portageq vdb_path)"
if [ -z $1 ] || [ $1 == "-h" ] || [ $1 == "--help" ] ; then
	echo "QUICKPKG ver 1.2"
	echo "USAGE: quickpkg <list of pkgs>"
	echo "    a pkg can be of the form:"
	echo "        - ${PORTAGE_DB}/<CATEGORY>/<PKG-VERSION>/"
	echo "        - single depend-type atom ..."
	echo "              if portage can emerge it, quickpkg can make a package"
	echo "              for exact definitions of depend atoms, see ebuild(5)"
	echo
	echo "EXAMPLE:"
	echo "    quickpkg ${PORTAGE_DB}/net-www/apache-1.3.27-r1"
	echo "        package up apache, just version 1.3.27-r1"
	echo "    quickpkg apache"
	echo "        package up apache, all versions of apache installed"
	echo "    quickpkg =apache-1.3.27-r1"
	echo "        package up apache, just version 1.3.27-r1"
	exit 1
fi

export PKGDIR="`portageq envvar PKGDIR`"
export PORTAGE_TMPDIR="`portageq envvar PORTAGE_TMPDIR`"

source /sbin/functions.sh

# here we make a package given a little info
# $1 = package-name w/version
# $2 = category
do_pkg() {
	mkdir -p "${PORTAGE_TMPDIR}/portage-pkg" || exit 1
	chmod 0750 "${PORTAGE_TMPDIR}/portage-pkg"
	MYDIR="${PORTAGE_TMPDIR}/portage-pkg/$1"
	SRCDIR="${PORTAGE_DB}/$2/$1"
	LOG="${PORTAGE_TMPDIR}/portage-pkg/$1-quickpkglog"

	ebegin "Building package for $1"
	(
		# clean up temp directory
		rm -rf ${MYDIR}

		# get pkg info files
		mkdir -p ${MYDIR}/temp
		cp ${SRCDIR}/* ${MYDIR}/temp/

		# create filelist and a basic tbz2
		awk '{
			if ($1 != "dir") {
				if ($1 == "obj")
					NF=NF-2
				else if ($1 == "sym")
					NF=NF-3
				print
			}
		}' ${SRCDIR}/CONTENTS | cut -f2- -d" " - > ${MYDIR}/filelist
		tar -vjcf ${MYDIR}/bin.tar.bz2 --files-from=${MYDIR}/filelist --no-recursion

		# join together the basic tbz2 and the pkg info files
		xpak ${MYDIR}/temp ${MYDIR}/inf.xpak
		tbz2tool join ${MYDIR}/bin.tar.bz2 ${MYDIR}/inf.xpak ${MYDIR}/$1.tbz2

		# move the final binary package to PKGDIR
		[ -d ${PKGDIR}/All ] ||  mkdir -p ${PKGDIR}/All
		[ -d ${PKGDIR}/$2 ] || mkdir -p ${PKGDIR}/$2
		mv ${MYDIR}/$1.tbz2 ${PKGDIR}/All
		( cd ${PKGDIR}/$2 && ln -s ../All/$1.tbz2 )

		# cleanup again
		rm -rf ${MYDIR}
	) >& ${LOG}

	if [ -e ${PKGDIR}/All/$1.tbz2 ] ; then
		rm -f ${LOG}
		PKGSTATS="${PKGSTATS}"$'\n'"$(einfo $1: `ls -alh ${PKGDIR}/All/$1.tbz2 | awk '{print $5}'`)"
		eend 0
	else
		cat ${LOG}
		PKGSTATS="${PKGSTATS}"$'\n'"$(ewarn $1: not created)"
		eend 1
	fi
}

# here we parse the parameters given to use on the cmdline
export PKGERROR=""
export PKGSTATS=""
for x in "$@" ; do

	# they gave us full path
	if [ -e ${x}/CONTENTS ] ; then
		x="`readlink -f $x`"
		pkg="`echo ${x} | cut -d/ -f6`"
		cat="`echo ${x} | cut -d/ -f5`"
		do_pkg ${pkg} ${cat}

	# lets figure out what they want
	else
		DIRLIST="`portageq match / ${x}`"
		if [ -z "${DIRLIST}" ] ; then
			eerror "Could not find anything to match '${x}'; skipping"
			export PKGERROR="${PKGERROR} ${x}"
			continue
		fi

		for d in ${DIRLIST} ; do
			pkg="`echo ${d} | cut -d/ -f2`"
			cat="`echo ${d} | cut -d/ -f1`"
			if [ -f "${PORTAGE_DB}/${cat}/${pkg}/CONTENTS" ] ; then
				do_pkg ${pkg} ${cat}
			elif [ -d "${PORTAGE_DB}/${cat}/${pkg}" ] ; then
				ewarn "Package '${cat}/${pkg}' was injected; skipping"
			else
				eerror "Unhandled case (${cat}/${pkg}) !"
				eerror "Please file a bug at http://bugs.gentoo.org/"
				exit 10
			fi
		done
	fi

done

if [ -z "${PKGSTATS}" ] ; then
	eerror "No packages found"
	exit 1
else
	echo $'\n'"$(einfo Packages now in ${PKGDIR}:)${PKGSTATS}"
fi
if [ ! -z "${PKGERROR}" ] ; then
	ewarn "The following packages could not be found:"
	ewarn "${PKGERROR}"
	exit 2
fi
