183 lines
4.6 KiB
Bash
183 lines
4.6 KiB
Bash
#!/bin/bash
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#
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# repo-remove - remove a package entry from a given repo database file
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# @configure_input@
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#
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# Copyright (c) 2002-2007 by Judd Vinet <jvinet@zeroflux.org>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# gettext initialization
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export TEXTDOMAIN='pacman'
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export TEXTDOMAINDIR='@localedir@'
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myver='@PACKAGE_VERSION@'
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confdir='@sysconfdir@'
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FORCE=0
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REPO_DB_FILE=""
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msg() {
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local mesg=$1; shift
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printf "==> ${mesg}\n" "$@" >&1
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}
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msg2() {
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local mesg=$1; shift
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printf " -> ${mesg}\n" "$@" >&1
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}
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warning() {
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local mesg=$1; shift
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printf "==> $(gettext "WARNING:") ${mesg}\n" "$@" >&2
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}
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error() {
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local mesg=$1; shift
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printf "==> $(gettext "ERROR:") ${mesg}\n" "$@" >&2
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}
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# print usage instructions
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usage() {
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printf "$(gettext "repo-remove %s\n\n")" $myver
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printf "$(gettext "usage: %s <path-to-db> <packagename> ...\n\n")" "$0"
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printf "$(gettext "\
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repo-remove will update a package database by removing the package name\n\
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specified on the command line from the given repo database. Multiple\n\
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packages to remove can be specified on the command line.\n\n")"
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echo "$(gettext "Example: repo-remove /path/to/repo.db.tar.gz kernel26")"
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}
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version() {
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printf "repo-remove (pacman) %s\n" "$myver"
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printf "$(gettext "\
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Copyright (C) 2002-2007 Judd Vinet <jvinet@zeroflux.org>.\n\n\
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This is free software; see the source for copying conditions.\n\
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There is NO WARRANTY, to the extent permitted by law.\n")"
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}
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# test if a file is a repository DB
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test_repo_db_file () {
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if [ -f "$REPO_DB_FILE" ]; then
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if bsdtar -tf "$REPO_DB_FILE" | grep -q "/desc"; then
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return 0 # YES
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fi
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fi
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return 1 # NO
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}
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# remove existing entries from the DB
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db_remove_entry() {
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pushd "$gstmpdir" 2>&1 >/dev/null
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# remove any other package in the DB with same name
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local existing
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for existing in *; do
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if [ "${existing%-*-*}" = "$1" ]; then
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msg2 "$(gettext "Removing existing package '%s'...")" "$existing"
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rm -rf "$existing"
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fi
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done
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popd 2>&1 >/dev/null
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} # end db_remove_entry
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# PROGRAM START
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# check for help flags
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if [ "$1" = "-h" -o "$1" = "--help" ]; then
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usage
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exit 0
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fi
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# check for version flags
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if [ "$1" = "-V" -o "$1" = "--version" ]; then
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version
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exit 0
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fi
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# check for correct number of args
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if [ $# -lt 2 ]; then
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usage
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exit 1
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fi
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# source system and user makepkg.conf
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if [ -r "$confdir/makepkg.conf" ]; then
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source "$confdir/makepkg.conf"
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else
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error "$(gettext "%s not found. Cannot continue.")" "$confdir/makepkg.conf"
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exit 1 # $E_CONFIG_ERROR
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fi
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if [ -r ~/.makepkg.conf ]; then
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source ~/.makepkg.conf
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fi
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# main routine
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gstmpdir=$(mktemp -d /tmp/repo-remove.XXXXXXXXXX) || (\
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error "$(gettext "Cannot create temp directory for database building.")"; \
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exit 1)
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success=0
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# parse arguements
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for arg in "$@"; do
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if [ -z "$REPO_DB_FILE" ]; then
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REPO_DB_FILE=$(readlink -f "$arg")
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if ! test_repo_db_file; then
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error "$(gettext "Repository file '%s' is not a proper pacman database.")\n" "$REPO_DB_FILE"
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exit 1
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elif [ -f "$REPO_DB_FILE" ]; then
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msg "$(gettext "Extracting database to a temporary location...")"
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bsdtar -xf "$REPO_DB_FILE" -C "$gstmpdir"
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fi
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else
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msg "$(gettext "Searching for package '%s'...")" "$arg"
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if db_remove_entry "$arg"; then
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success=1
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else
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error "$(gettext "Package matching '%s' not found.")" "$arg"
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fi
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fi
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done
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# if all operations were a success, rezip database
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if [ $success -eq 1 ]; then
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msg "$(gettext "Creating updated database file '%s'...")" "$REPO_DB_FILE"
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pushd "$gstmpdir" 2>&1 >/dev/null
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if [ -n "$(ls)" ]; then
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[ -f "${REPO_DB_FILE}.old" ] && rm "${REPO_DB_FILE}.old"
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[ -f "$REPO_DB_FILE" ] && mv "$REPO_DB_FILE" "${REPO_DB_FILE}.old"
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case "$DB_COMPRESSION" in
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gz) TAR_OPT="z" ;;
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bz2) TAR_OPT="j" ;;
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*) warning "$(gettext "No compression set.")" ;;
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esac
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bsdtar -c${TAR_OPT}f "$REPO_DB_FILE" *
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fi
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popd 2>&1 >/dev/null
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else
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msg "$(gettext "No packages modified, nothing to do.")"
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fi
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# remove the temp directory used to unzip
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[ -d "$gstmpdir" ] && rm -rf $gstmpdir
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# vim: set ts=2 sw=2 noet:
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