#!/bin/bash # # repo-remove : remove a package entry from a given repo database file # # 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. myver='3.0.0' FORCE=0 REPO_DB_FILE="" DB_COMPRESSION="gz" #TODO this is gross DB_CHECKSUMS=(md5) TMP_DIR="" # print usage instructions usage() { echo "repo-remove $myver" echo echo "usage: repo-remove <path-to-db> <packagename> ..." echo echo "repo-remove will update a package database by removing the package name" echo "specified on the command line from the given repo database. Multiple" echo "packages to remove can be specified on the command line." echo echo "Example:" echo " repo-remove /path/to/repo.db.tar.gz kernel26" echo } # test if a file is a repository DB test_repo_db_file () { if [ -f "$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%-*-*}" = "$1" ]; then echo ":: removing existing package '$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 correct number of args if [ $# -lt 2 ]; then usage exit 1 fi # main routine if [ $# -gt 1 ]; then gstmpdir=$(mktemp -d /tmp/gensync.XXXXXXXXXX) || (\ echo "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 $arg)" if ! test_repo_db_file; then echo "error: repository file '$REPO_DB_FILE' is not a proper pacman db" exit 1 elif [ -f "$REPO_DB_FILE" ]; then echo ":: extracting database to a temporary location" tar xf "$REPO_DB_FILE" -C "$gstmpdir" fi else echo ":: searching for package '$arg'" this_dir="$(pwd)" if db_remove_entry "$arg"; then success=1 else echo "error: package matching '$arg' not found" fi cd $this_dir fi done # if all operations were a success, rezip database if [ "$success" = "1" ]; then echo ":: creating updated database file ${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 "warning: no compression set" tar c * >$REPO_DB_FILE;; esac fi else echo ":: no packages modified, nothing to do" fi fi # remove the temp directory used to unzip [ -d "$gstmpdir" ] && rm -rf $gstmpdir # vim: set ts=2 sw=2 noet: