scripts/pacman-db-upgrade.sh.in

   1 #!@BASH_SHELL@ -e
   2 #
   3 #   pacman-db-upgrade - upgrade the local pacman db to a newer format
   4 #   @configure_input@
   5 #
   6 #   Copyright (c) 2010-2011 Pacman Development Team <pacman-dev@archlinux.org>
   7 #
   8 #   This program is free software; you can redistribute it and/or modify
   9 #   it under the terms of the GNU General Public License as published by
  10 #   the Free Software Foundation; either version 2 of the License, or
  11 #   (at your option) any later version.
  12 #
  13 #   This program is distributed in the hope that it will be useful,
  14 #   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 #   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 #   GNU General Public License for more details.
  17 #
  18 #   You should have received a copy of the GNU General Public License
  19 #   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20 #
  21
  22 # gettext initialization
  23 export TEXTDOMAIN='pacman'
  24 export TEXTDOMAINDIR='@localedir@'
  25
  26 myver='@PACKAGE_VERSION@'
  27
  28 eval $(awk '/DBPath/ {print $1$2$3}' @sysconfdir@/pacman.conf)
  29 dbroot="${DBPath:-@localstatedir@/lib/pacman/}"
  30
  31 msg() {
  32         local mesg=$1; shift
  33         printf "==> ${mesg}\n" "$@" >&2
  34 }
  35
  36 error () {
  37         local mesg=$1; shift
  38         printf "==> ERROR: ${mesg}\n" "$@" >&2
  39 }
  40 usage() {
  41         printf "pacman-db-upgrade (pacman) %s\n\n" "$myver"
  42         printf "$(gettext "Usage: %s [pacman_db_root]")\n\n" "$0"
  43 }
  44
  45 version() {
  46         printf "pacman-db-upgrade (pacman) %s\n" "$myver"
  47         printf "$(gettext "\
  48 Copyright (c) 2010-2011 Pacman Development Team <pacman-dev@archlinux.org>.\n\
  49 This is free software; see the source for copying conditions.\n\
  50 There is NO WARRANTY, to the extent permitted by law.\n")"
  51 }
  52
  53 die() {
  54         error "$@"
  55         exit 1
  56 }
  57
  58 die_r() {
  59         rm -f "$lockfile"
  60         die "$@"
  61 }
  62
  63 # PROGRAM START
  64
  65 # determine whether we have gettext; make it a no-op if we do not
  66 if ! type gettext &>/dev/null; then
  67         gettext() {
  68                 echo "$@"
  69         }
  70 fi
  71
  72 if [[ $1 = "-h" || $1 = "--help" ]]; then
  73         usage
  74         exit 0
  75 fi
  76
  77 if [[ $1 = "-V" || $1 = "--version" ]]; then
  78         version
  79         exit 0
  80 fi
  81
  82 if [[ -n $1 ]]; then
  83         dbroot="$1"
  84 fi
  85
  86 if [[ ! -d $dbroot ]]; then
  87         die "$(gettext "%s does not exist or is not a directory.")" "$dbroot"
  88 fi
  89
  90 if [[ ! -d $dbroot/local ]]; then
  91         die "$(gettext "%s is not a pacman database directory.")" "$dbroot"
  92 fi
  93
  94 if [[ ! -w $dbroot ]]; then
  95         die "$(gettext "You must have correct permissions to upgrade the database.")"
  96 fi
  97
  98 # strip any trailing slash from our dbroot
  99 dbroot="${dbroot%/}"
 100 # form the path to our lockfile location
 101 lockfile="${dbroot}/db.lck"
 102
 103 # make sure pacman isn't running
 104 if [[ -f $lockfile ]]; then
 105         die "$(gettext "Pacman lock file was found. Cannot run while pacman is running.")"
 106 fi
 107 # do not let pacman run while we do this
 108 touch "$lockfile"
 109
 110 # pacman-3.4 to 3.5 upgrade - merge depends into desc
 111 if [[ $(find "$dbroot"/local -name depends) ]]; then
 112         msg "$(gettext "Pre-3.5 database format detected - upgrading...")"
 113         for i in "$dbroot"/local/*; do
 114                 if [[ -f "$i"/depends ]]; then
 115                         cat "$i"/depends >> "$i"/desc
 116                         rm "$i"/depends
 117                 fi
 118         done
 119         msg "$(gettext "Done.")"
 120 fi
 121
 122 # remove the lock file
 123 rm -f "$lockfile"
 124
 125 # vim: set ts=2 sw=2 noet: