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#!/bin/bash
#
# repo-remove - remove a package entry from a given repo database file
# @configure_input@
#
# Copyright (c) 2007 Dan McGee <dan@archlinux.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.
# gettext initialization
export TEXTDOMAIN='pacman'
export TEXTDOMAINDIR='@localedir@'
myver='@PACKAGE_VERSION@'
FORCE=0
REPO_DB_FILE=""
TMP_DIR=""
# print usage instructions
usage() {
echo "$(gettext "repo-remove %s")" $myver
echo
echo "$(gettext "usage: repo-remove <path-to-db> <packagename> ...")"
echo
echo "$(gettext "repo-remove will update a package database by removing the package name")"
echo "$(gettext "specified on the command line from the given repo database. Multiple")"
echo "$(gettext "packages to remove can be specified on the command line.")"
echo
echo "$(gettext "Example:")"
echo "$(gettext " repo-remove /path/to/repo.db.tar.gz kernel26")"
echo
}
version() {
printf "repo-remove (pacman) %s\n" "$myver"
printf "Copyright (C) 2007 Dan McGee <dan@archlinux.org>.\n"
echo
printf "This is free software; see the source for copying conditions.\n"
printf "There is NO WARRANTY, to the extent permitted by law.\n"
echo
}
# test if a file is a repository DB
test_repo_db_file () {
if [ -f "$REPO_DB_FILE" ]; then
[ "$(tar tf "$REPO_DB_FILE" | grep -c "/desc")" -gt 0 ] || return 1
else
true
fi
}
# remove existing entries from the DB
db_remove_entry()
{
cd $gstmpdir
# remove any other package in the DB with same name
for existing in *; do
if [ "${existing%-*-*}" = "$1" ]; then
echo "$(gettext ":: removing existing package '%s'")" $existing
rm -rf $existing
fi
done
} # end db_remove_entry
# PROGRAM START
# check for help flags
if [ "$1" = "-h" -o "$1" = "--help" ]; then
usage
exit 0
fi
# check for version flags
if [ "$1" = "-V" -o "$1" = "--version" ]; then
version
exit 0
fi
# check for correct number of args
if [ $# -lt 2 ]; then
usage
exit 1
fi
# source system and user makepkg.conf
if [ -r @sysconfdir@/makepkg.conf ]; then
source @sysconfdir@/makepkg.conf
else
echo "$(gettext "ERROR: /etc/makepkg.conf not found. Can not continue.")" >&2
exit 1 # $E_CONFIG_ERROR
fi
if [ -r ~/.makepkg.conf ]; then
source ~/.makepkg.conf
fi
# main routine
if [ $# -gt 1 ]; then
gstmpdir=$(mktemp -d /tmp/gensync.XXXXXXXXXX) || (\
echo "$(gettext "cannot create temp directory for database building")"; \
exit 1)
success=0
# parse arguements
for arg in $@; do
if [ -z "$REPO_DB_FILE" ]; then
REPO_DB_FILE="$(readlink -f $arg)"
if ! test_repo_db_file; then
echo "$(gettext "error: repository file '%s' is not a proper pacman db")" $REPO_DB_FILE
exit 1
elif [ -f "$REPO_DB_FILE" ]; then
echo "$(gettext ":: extracting database to a temporary location")"
tar xf "$REPO_DB_FILE" -C "$gstmpdir"
fi
else
echo "$(gettext ":: searching for package '%s'")"
this_dir="$(pwd)"
if db_remove_entry "$arg"; then
success=1
else
echo "$(gettext "error: package matching '%s' not found")" $arg
fi
cd $this_dir
fi
done
# if all operations were a success, rezip database
if [ "$success" = "1" ]; then
echo "$(gettext ":: creating updated database file %s")" ${REPO_DB_FILE}
cd $gstmpdir
if [ -n "$(ls)" ]; then
[ -f "${REPO_DB_FILE}.old" ] && rm "${REPO_DB_FILE}.old"
[ -f "$REPO_DB_FILE" ] && mv "$REPO_DB_FILE" "${REPO_DB_FILE}.old"
case "$DB_COMPRESSION" in
gz) tar c * | gzip -9 >$REPO_DB_FILE ;;
bz2) tar c * | bzip2 -9 >$REPO_DB_FILE ;;
*) echo "$(gettext "warning: no compression set")"
tar c * >$REPO_DB_FILE;;
esac
fi
else
echo "$(gettext ":: no packages modified, nothing to do")"
fi
fi
# remove the temp directory used to unzip
[ -d "$gstmpdir" ] && rm -rf $gstmpdir
# vim: set ts=2 sw=2 noet:
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