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authorAllan McRae <allan@archlinux.org>2010-12-08 22:16:37 +1000
committerDan McGee <dan@archlinux.org>2010-12-12 21:42:41 -0600
commitd98bacd4ec4289750e740b2dff8c4adaaa7a028a (patch)
treebffdb96b2398bbce492974ba826e2479aa64c01c /scripts/pacman-db-upgrade.sh.in
parent8f3b485517a401ece348a1c5166d951ec4a8a28f (diff)
Add script to update pacman database format
The pacman-db-upgrade script was added to detect old pacman database formats and upgrade them. Currently performs the merging of depends files into desc files in the local database. Signed-off-by: Allan McRae <allan@archlinux.org> Signed-off-by: Dan McGee <dan@archlinux.org>
Diffstat (limited to 'scripts/pacman-db-upgrade.sh.in')
-rw-r--r--scripts/pacman-db-upgrade.sh.in121
1 files changed, 121 insertions, 0 deletions
diff --git a/scripts/pacman-db-upgrade.sh.in b/scripts/pacman-db-upgrade.sh.in
new file mode 100644
index 00000000..4e6194fa
--- /dev/null
+++ b/scripts/pacman-db-upgrade.sh.in
@@ -0,0 +1,121 @@
+#!@BASH_SHELL@ -e
+#
+# pacman-db-upgrade - upgrade the local pacman db to a newer format
+# @configure_input@
+#
+# Copyright (c) 2010 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 "$(gettext "\
+Copyright (c) 2010 Pacman Development Team <pacman-dev@archlinux.org>.\n\
+This is free software; see the source for copying conditions.\n\
+There is NO WARRANTY, to the extent permitted by law.\n")"
+}
+
+die() {
+ error "$@"
+ 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 || ! -d $dbroot/local ]]; then
+ die "$(gettext "%s does not exist or is not a 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: