Date: Sunday, February 11, 2007 @ 15:40:19 Author: dan Path: /home/cvs-pacman/pacman-lib/scripts Added: repo-remove (1.1) Adding repo-remove script, allows for a package to be removed from a repo. More or less a reverse 'repo-add'. -------------+ repo-remove | 136 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 136 insertions(+) Index: pacman-lib/scripts/repo-remove diff -u /dev/null pacman-lib/scripts/repo-remove:1.1 --- /dev/null Sun Feb 11 15:40:19 2007 +++ pacman-lib/scripts/repo-remove Sun Feb 11 15:40:19 2007 @@ -0,0 +1,136 @@ +#!/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: