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authorDan McGee <dan@archlinux.org>2007-02-11 20:40:19 +0000
committerDan McGee <dan@archlinux.org>2007-02-11 20:40:19 +0000
commit3a6da9dad771cba87fb6ef8431450617b4d4be98 (patch)
treecd9a6e9c5267e7cbc3ef25d3b9bb5ca985e1dc2f /scripts/repo-remove
parent059764012904d7d6eb83a226c5d1db8d813d5a26 (diff)
Adding repo-remove script, allows for a package to be removed from a repo.
More or less a reverse 'repo-add'.
Diffstat (limited to 'scripts/repo-remove')
-rwxr-xr-xscripts/repo-remove136
1 files changed, 136 insertions, 0 deletions
diff --git a/scripts/repo-remove b/scripts/repo-remove
new file mode 100755
index 00000000..eeee2406
--- /dev/null
+++ b/scripts/repo-remove
@@ -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: