scripts/pacman-db-upgrade.sh.in

   1 #!/bin/bash -e
   2 #
   3 #   pacman-db-upgrade - upgrade the local pacman db to a newer format
   4 #   @configure_input@
   5 #
   6 #   Copyright (c) 2010-2012 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-scripts'
  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 m4_include(library/output_format.sh)
  32
  33 usage() {
  34         printf "pacman-db-upgrade (pacman) %s\n\n" "$myver"
  35         printf -- "$(gettext "Usage: %s [pacman_db_root]")\n\n" "$0"
  36 }
  37
  38 version() {
  39         printf "pacman-db-upgrade (pacman) %s\n" "$myver"
  40         printf -- "$(gettext "\
  41 Copyright (c) 2010-2012 Pacman Development Team <pacman-dev@archlinux.org>.\n\
  42 This is free software; see the source for copying conditions.\n\
  43 There is NO WARRANTY, to the extent permitted by law.\n")"
  44 }
  45
  46 die() {
  47         error "$@"
  48         exit 1
  49 }
  50
  51 die_r() {
  52         rm -f "$lockfile"
  53         die "$@"
  54 }
  55
  56 # PROGRAM START
  57
  58 # determine whether we have gettext; make it a no-op if we do not
  59 if ! type gettext &>/dev/null; then
  60         gettext() {
  61                 echo "$@"
  62         }
  63 fi
  64
  65 if [[ $1 = "-h" || $1 = "--help" ]]; then
  66         usage
  67         exit 0
  68 fi
  69
  70 if [[ $1 = "-V" || $1 = "--version" ]]; then
  71         version
  72         exit 0
  73 fi
  74
  75 if [[ -n $1 ]]; then
  76         dbroot="$1"
  77 fi
  78
  79 if [[ ! -d $dbroot ]]; then
  80         die "$(gettext "%s does not exist or is not a directory.")" "$dbroot"
  81 fi
  82
  83 if [[ ! -d $dbroot/local ]]; then
  84         die "$(gettext "%s is not a pacman database directory.")" "$dbroot"
  85 fi
  86
  87 if [[ ! -w $dbroot ]]; then
  88         die "$(gettext "You must have correct permissions to upgrade the database.")"
  89 fi
  90
  91 # strip any trailing slash from our dbroot
  92 dbroot="${dbroot%/}"
  93 # form the path to our lockfile location
  94 lockfile="${dbroot}/db.lck"
  95
  96 # make sure pacman isn't running
  97 if [[ -f $lockfile ]]; then
  98         die "$(gettext "Pacman lock file was found. Cannot run while pacman is running.")"
  99 fi
 100 # do not let pacman run while we do this
 101 touch "$lockfile"
 102
 103 # pacman-3.4 to 3.5 upgrade - merge depends into desc
 104 if [[ $(find "$dbroot"/local -name depends) ]]; then
 105         msg "$(gettext "Pre-3.5 database format detected - upgrading...")"
 106         for i in "$dbroot"/local/*; do
 107                 if [[ -f "$i"/depends ]]; then
 108                         cat "$i"/depends >> "$i"/desc
 109                         rm "$i"/depends
 110                 fi
 111         done
 112         msg "$(gettext "Done.")"
 113 fi
 114
 115 # remove the lock file
 116 rm -f "$lockfile"
 117
 118 # vim: set ts=2 sw=2 noet: