#!/bin/bash # # gensync # # Copyright (c) 2002-2006 by 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='2.9.8' usage() { echo "gensync $myver" echo "usage: $0 <root> <destfile> [package_directory]" echo echo "gensync will generate a sync database by reading all PKGBUILD files" echo "from <root>. gensync builds the database in a temporary directory" echo "and then compresses it to <destfile>." echo echo "gensync will calculate md5sums of packages in the same directory as" echo "<destfile>, unless an alternate [package_directory] is specified." echo echo "note: The <destfile> name is important. It must be of the form" echo " {treename}.db.tar.gz where {treename} is the name of the custom" echo " package repository you configured in /etc/pacman.conf. The" echo " generated database must reside in the same directory as your" echo " custom packages (also configured in /etc/pacman.conf)" echo echo "example: gensync /var/abs/local /home/mypkgs/custom.db.tar.gz" echo echo exit 0 } die() { echo "gensync: $*" >&2 rm -rf $gstmpdir exit 1 } check_option() { local i for i in ${options[@]}; do local uc=`echo $i | tr [:lower:] [:upper:]` local lc=`echo $i | tr [:upper:] [:lower:]` if [ "$uc" = "$1" -o "$lc" = "$1" ]; then echo $1 return fi done } get_md5checksum() { if [ "$pkgdir" != "" ]; then pkgfile="$pkgdir/$pkgname-$pkgver-$pkgrel.pkg.tar.gz" else pkgfile="$destdir/$pkgname-$pkgver-$pkgrel.pkg.tar.gz" fi if [ -f $pkgfile ]; then md5line=`md5sum $pkgfile` [ ! -z "$md5line" ] && pkgmd5sum=${md5line% *} echo $pkgmd5sum fi return 0 } db_write_entry() { unset pkgname pkgver pkgrel pkgdesc force unset groups replaces provides depends conflicts options source $1 || return 1 cd $gstmpdir mkdir $pkgname-$pkgver-$pkgrel || return 1 cd $pkgname-$pkgver-$pkgrel # desc : >desc echo "%NAME%" >>desc echo "$pkgname" >>desc echo "" >>desc echo "%VERSION%" >>desc echo "$pkgver-$pkgrel" >>desc echo "" >>desc if [ -n "$pkgdesc" ]; then echo "%DESC%" >>desc echo "$pkgdesc" >>desc echo "" >>desc fi if [ ${#groups[*]} -gt 0 ]; then echo "%GROUPS%" >>desc for it in "${groups[@]}"; do echo "$it" >>desc done echo "" >>desc fi if [ -n $csize ]; then echo "%CSIZE%" >>desc echo "$csize" >>desc echo "" >>desc fi if [ ! -z $pkgmd5sum ]; then echo "%MD5SUM%" >>desc echo "$pkgmd5sum" >>desc echo "" >>desc fi if [ ${#replaces[*]} -gt 0 ]; then echo "%REPLACES%" >>desc for it in "${replaces[@]}"; do echo "$it" >>desc done echo "" >>desc fi if [ "$force" = "y" -o "$force" = "Y" -o "`check_option FORCE`" ]; then echo "%FORCE%" >>desc echo "" >>desc fi # depends : >depends if [ ${#depends[*]} -gt 0 ]; then echo "%DEPENDS%" >>depends for it in "${depends[@]}"; do echo "$it" >>depends done echo "" >>depends fi if [ ${#conflicts[*]} -gt 0 ]; then echo "%CONFLICTS%" >>depends for it in "${conflicts[@]}"; do echo "$it" >>depends done echo "" >>depends fi if [ ${#provides[*]} -gt 0 ]; then echo "%PROVIDES%" >>depends for it in "${provides[@]}"; do echo "$it" >>depends done echo "" >>depends fi # preserve the modification time touch -r $1 desc depends } if [ $# -lt 2 ]; then usage exit 1 fi if [ "$1" = "-h" -o "$1" = "--help" ]; then usage exit 0 fi d=`dirname $1` rootdir=`cd $d && pwd`/`basename $1` d=`dirname $2` destdir=`cd $d && pwd` destfile="$destdir/`basename $2`" pkgdir= if [ "$3" != "" ]; then pkgdir=$3 fi gstmpdir=$(mktemp -d /tmp/gensync.XXXXXXXXXX) || exit 1 [ ! -d $rootdir ] && die "invalid root dir: $rootdir" echo "gensync: building database entries, generating md5sums..." >&2 cd `dirname $2` for file in `find $rootdir/* -name PKGBUILD`; do source $file || die "errors parsing $file" if [ "$pkgdir" != "" ]; then pkgfile="$pkgdir/$pkgname-$pkgver-$pkgrel.pkg.tar.gz" else pkgfile="$destdir/$pkgname-$pkgver-$pkgrel.pkg.tar.gz" fi if [ -f $pkgfile ]; then csize=`du -b $pkgfile | cut -f1` pkgmd5sum=`get_md5checksum $pkgfile` [ -z $pkgmd5sum ] && die "error generating checksum for $pkgfile" db_write_entry $file || die "error writing entry for $file" else echo "gensync: missing package: $pkgfile" >&2 fi done echo "gensync: compressing to $destfile..." >&2 cd $gstmpdir tar c * | gzip -9 >$destfile [ $? -gt 0 ] && die "error writing to $destfile" rm -rf $gstmpdir exit 0