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|
#!/bin/bash
#
# updatesync
#
# Copyright (c) 2004 by Jason Chu <jason@archlinux.org>
# Derived from gensync (c) 2002-2005 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='2.9.7'
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
}
die()
{
echo "updatesync: $*" >&2
rm -rf $ustmpdir
exit 1
}
get_md5checksum()
{
if [ "$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
source $1 || return 1
cd $ustmpdir
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
echo "%DESC%" >>desc
echo "$pkgdesc" >>desc
echo "" >>desc
echo "%CSIZE%" >>desc
echo "$csize" >>desc
echo "" >>desc
if [ ! -z $pkgmd5sum ]; then
echo "%MD5SUM%" >>desc
echo "$pkgmd5sum" >>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 [ ${#replaces[*]} -gt 0 ]; then
echo "%REPLACES%" >>desc
for it in "${replaces[@]}"; do
echo "$it" >>desc
done
echo "" >>desc
fi
if [ "$force" = "y" -o "$force" = "Y" ]; 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
}
delete_entry()
{
echo $1 | grep PKGBUILD 2>&1 >/dev/null
if [ $? -eq 0 ]; then
source $1
else
pkgname=$1
fi
for i in *; do
if [ "${i%-*-*}" = "$pkgname" ]; then
echo "updatesync: deleting $i" >&2
rm -rf $i
fi
done
}
if [ $# -lt 3 ]; then
usage
exit 0
fi
if [ "$1" = "-h" -o "$1" = "--help" ]; then
usage
exit 0
fi
action=$1
pkgdb=$2
option=$3
curdir="`pwd`"
pkgdir=$curdir
if [ "$4" != "" ]; then
pkgdir=$4
fi
if [ "$action" != "upd" -a "$action" != "del" ]; then
usage
exit 1
fi
ustmpdir=$(mktemp -d /tmp/updatesync.XXXXXXXXXX) || exit 1
cd $ustmpdir
if [ ! -f $pkgdb ]; then
if [ ! -f $curdir/$pkgdb ]; then
echo "updatesync: $pkgdb not found"
exit 1
fi
pkgdb=$curdir/$pkgdb
fi
if [ "$action" = "upd" -a ! -f $option ]; then
if [ ! -f $curdir/$option ]; then
echo "updatesync: $option not found"
exit 1
fi
option=$curdir/$option
fi
echo "updatesync: uncompressing to $ustmpdir..." >&2
tar -xzf $pkgdb || die "error uncompressing $pkgdb"
if [ "$action" = "upd" ]; then
# INSERT / UPDATE
delete_entry $option
source $option || die "errors parsing $option"
if [ "$pkgdir" != "" ]; then
pkgfile="$pkgdir/$pkgname-$pkgver-$pkgrel.pkg.tar.gz"
else
pkgfile="$destdir/$pkgname-$pkgver-$pkgrel.pkg.tar.gz"
fi
[ -f $pkgfile ] || die "missing package file: $pkgfile"
csize=`du -b $pkgfile | cut -f1`
pkgmd5sum=`get_md5checksum $pkgfile`
[ -z $pkgmd5sum ] && die "error generating checksum for $pkgfile"
echo "updatesync: creating entry for $option" >&2
db_write_entry $option || die "error writing entry for $option"
else
# DELETE
delete_entry $option
fi
echo "updatesync: compressing to $pkgdb..." >&2
cd $ustmpdir
tar c * | gzip -9 >$pkgdb || die "error writing to $pkgdb"
cd $curdir
rm -rf $ustmpdir
exit 0
|
