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pacman/scripts/pacman-db-upgrade.sh.in
Dan McGee ea216d3f5a Clarify error message in pacman-db-upgrade
Addresses FS#23451.

Signed-off-by: Dan McGee <dan@archlinux.org>
2011-03-27 20:03:08 -05:00

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#!@BASH_SHELL@ -e
#
# pacman-db-upgrade - upgrade the local pacman db to a newer format
# @configure_input@
#
# Copyright (c) 2010-2011 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'
export TEXTDOMAINDIR='@localedir@'
myver='@PACKAGE_VERSION@'
eval $(awk '/DBPath/ {print $1$2$3}' @sysconfdir@/pacman.conf)
dbroot="${DBPath:-@localstatedir@/lib/pacman/}"
msg() {
local mesg=$1; shift
printf "==> ${mesg}\n" "$@" >&2
}
error () {
local mesg=$1; shift
printf "==> ERROR: ${mesg}\n" "$@" >&2
}
usage() {
printf "pacman-db-upgrade (pacman) %s\n\n" "$myver"
printf "$(gettext "Usage: %s [pacman_db_root]")\n\n" "$0"
}
version() {
printf "pacman-db-upgrade (pacman) %s\n" "$myver"
printf "$(gettext "\
Copyright (c) 2010-2011 Pacman Development Team <pacman-dev@archlinux.org>.\n\
This is free software; see the source for copying conditions.\n\
There is NO WARRANTY, to the extent permitted by law.\n")"
}
die() {
error "$@"
exit 1
}
die_r() {
rm -f "$lockfile"
die "$@"
}
# 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
if [[ $1 = "-h" || $1 = "--help" ]]; then
usage
exit 0
fi
if [[ $1 = "-V" || $1 = "--version" ]]; then
version
exit 0
fi
if [[ -n $1 ]]; then
dbroot="$1"
fi
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 ts=2 sw=2 noet: