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#!/bin/bash -e
#
# pacman-db-upgrade - upgrade the local pacman db to a newer format
# @configure_input@
#
# Copyright (c) 2010-2014 Pacman Development Team <pacman-dev@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, see <http://www.gnu.org/licenses/>.
#
# gettext initialization
export TEXTDOMAIN='pacman-scripts'
export TEXTDOMAINDIR='@localedir@'
declare -r myver='@PACKAGE_VERSION@'
m4_include(library/output_format.sh)
m4_include(library/parseopts.sh)
usage() {
printf "pacman-db-upgrade (pacman) %s\n" "${myver}"
echo
printf -- "$(gettext "Upgrade the local pacman database to a newer format")\n"
echo
printf -- "$(gettext "Usage: %s [options]")\n" "$0"
echo
printf -- "$(gettext "options:")\n"
printf -- "$(gettext " -b, --dbpath <path> set an alternate database location")\n"
printf -- "$(gettext " -h, --help show this help message and exit")\n"
printf -- "$(gettext " -r, --root <path> set an alternate installation root")\n"
printf -- "$(gettext " -V, --version show version information and exit")\n"
printf -- "$(gettext " --config <path> set an alternate configuration file")\n"
printf -- "$(gettext " --nocolor disable colorized output messages")\n"
echo
}
version() {
printf "pacman-db-upgrade (pacman) %s\n" "$myver"
printf -- "$(gettext "\
Copyright (c) 2010-2014 Pacman Development Team <pacman-dev@archlinux.org>.\n\
This is free software; see the source for copying conditions.\n\
There is NO WARRANTY, to the extent permitted by law.\n")"
}
die() {
error "$@"
exit 1
}
die_r() {
rm -f "$lockfile"
die "$@"
}
get_opt_from_config() {
local keyname="$1" conffile="$2"
local key value
while IFS=$'= \t' read -r key value _; do
if [[ $key = $keyname ]]; then
echo "$value"
return
fi
done <"$conffile"
}
# PROGRAM START
# determine whether we have gettext; make it a no-op if we do not
if ! type gettext &>/dev/null; then
gettext() {
echo "$@"
}
fi
USE_COLOR='y'
OPT_SHORT="d:hr:V"
OPT_LONG=('confg' 'dbpath:' 'help' 'nocolor' 'root:' 'version')
if ! parseopts "$OPT_SHORT" "${OPT_LONG[@]}" -- "$@"; then
exit 1 # E_INVALID_OPTION
fi
set -- "${OPTRET[@]}"
unset OPT_SHORT OPT_LONG OPTRET
while true; do
case "$1" in
--config) shift; conffile="$1" ;;
-d|--dbpath) shift; dbroot="$1" ;;
-r|--root) shift; pacroot="$1" ;;
-h|--help) usage; exit 0 ;;
--nocolor) USE_COLOR='n' ;;
-V|--version) version; exit 0 ;;
-- ) shift; break 2 ;;
esac
shift
done
conffile=${conffile:-@sysconfdir@/pacman.conf}
[[ -z $pacroot ]] && pacroot="$(get_opt_from_config "RootDir" "$conffile")"
[[ -z $dbroot ]] && dbroot="$(get_opt_from_config "DBPath" "$conffile")"
[[ -z $dbroot && -n $pacroot ]] && dbroot="$pacroot/@localstatedir@/lib/pacman"
[[ -z $pacroot ]] && pacroot="@rootdir@"
[[ -z $dbroot ]] && dbroot="@localstatedir@/lib/pacman/"
m4_include(library/term_colors.sh)
if [[ ! -d $dbroot ]]; then
die "$(gettext "%s does not exist or is not a directory.")" "$dbroot"
fi
if [[ ! -d $dbroot/local ]]; then
die "$(gettext "%s is not a pacman database directory.")" "$dbroot"
fi
if [[ ! -w $dbroot ]]; then
die "$(gettext "You must have correct permissions to upgrade the database.")"
fi
# strip any trailing slash from our dbroot
dbroot="${dbroot%/}"
# form the path to our lockfile location
lockfile="${dbroot}/db.lck"
# make sure pacman isn't running
if [[ -f $lockfile ]]; then
die "$(gettext "Pacman lock file was found. Cannot run while pacman is running.")"
fi
# do not let pacman run while we do this
touch "$lockfile"
# pacman-3.4 to 3.5 upgrade - merge depends into desc
if [[ $(find "$dbroot"/local -name depends) ]]; then
msg "$(gettext "Pre-3.5 database format detected - upgrading...")"
for i in "$dbroot"/local/*; do
if [[ -f "$i"/depends ]]; then
cat "$i"/depends >> "$i"/desc
rm "$i"/depends
fi
done
msg "$(gettext "Done.")"
fi
# remove the lock file
rm -f "$lockfile"
# vim: set noet:
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