mirror of
https://github.com/moparisthebest/pacman
synced 2024-11-18 07:15:00 -05:00
137 lines
3.5 KiB
Bash
Executable File
137 lines
3.5 KiB
Bash
Executable File
#!/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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#
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# Copyright (c) 2007 Dan McGee <dan@archlinux.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, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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# USA.
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myver='3.0.0'
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FORCE=0
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REPO_DB_FILE=""
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DB_COMPRESSION="gz" #TODO this is gross
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DB_CHECKSUMS=(md5)
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TMP_DIR=""
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# print usage instructions
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usage() {
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echo "repo-remove $myver"
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echo
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echo "usage: repo-remove <path-to-db> <packagename> ..."
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echo
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echo "repo-remove will update a package database by removing the package name"
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echo "specified on the command line from the given repo database. Multiple"
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echo "packages to remove can be specified on the command line."
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echo
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echo "Example:"
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echo " repo-remove /path/to/repo.db.tar.gz kernel26"
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echo
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}
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# test if a file is a repository DB
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test_repo_db_file () {
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if [ -f "$REPO_DB_FILE" ]; then
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[ "$(tar tf "$REPO_DB_FILE" | grep -c "/desc")" -gt 0 ] || return 1
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else
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true
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fi
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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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{
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cd $gstmpdir
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# remove any other package in the DB with same name
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for existing in *; do
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if [ "${existing%-*-*}" = "$1" ]; then
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echo ":: removing existing package '$existing'"
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rm -rf $existing
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fi
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done
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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 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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# main routine
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if [ $# -gt 1 ]; then
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gstmpdir=$(mktemp -d /tmp/gensync.XXXXXXXXXX) || (\
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echo "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 $arg)"
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if ! test_repo_db_file; then
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echo "error: repository file '$REPO_DB_FILE' is not a proper pacman db"
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exit 1
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elif [ -f "$REPO_DB_FILE" ]; then
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echo ":: extracting database to a temporary location"
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tar xf "$REPO_DB_FILE" -C "$gstmpdir"
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fi
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else
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echo ":: searching for package '$arg'"
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this_dir="$(pwd)"
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if db_remove_entry "$arg"; then
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success=1
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else
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echo "error: package matching '$arg' not found"
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fi
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cd $this_dir
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fi
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done
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# if all operations were a success, rezip database
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if [ "$success" = "1" ]; then
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echo ":: creating updated database file ${REPO_DB_FILE}"
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cd $gstmpdir
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if [ -n "$(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 c * | gzip -9 >$REPO_DB_FILE ;;
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bz2) tar c * | bzip2 -9 >$REPO_DB_FILE ;;
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*) echo "warning: no compression set"
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tar c * >$REPO_DB_FILE;;
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esac
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fi
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else
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echo ":: no packages modified, nothing to do"
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fi
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fi
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# remove the temp directory used to unzip
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[ -d "$gstmpdir" ] && rm -rf $gstmpdir
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# vim: set ts=2 sw=2 noet:
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