contrib/paclog-pkglist.sh.in

   1 #!/bin/bash
   2 #
   3 # paclog-pkglist - Parse a log file into a list of currently installed packages
   4 #
   5 # Copyright (C) 2011 Dave Reisner <dave@archlinux.org>
   6 #
   7 # This program is free software; you can redistribute it and/or
   8 # modify it under the terms of the GNU General Public License
   9 # as published by the Free Software Foundation; either version 2
  10 # of the License, or (at your option) any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19
  20 declare -r myname='paclog-pkglist'
  21 declare -r myver='@PACKAGE_VERSION@'
  22
  23 export TEXTDOMAIN='pacman'
  24 export TEXTDOMAINDIR='/usr/share/locale'
  25 declare logfile=${1:-@localstatedir@/log/pacman.log}
  26
  27 usage() {
  28         printf 'usage:   %s [pacman log]\n' "$myname"
  29         printf 'example: %s @localstatedir@/log/pacman.log\n' "$myname"
  30         printf '\ndefaults to: @localstatedir@/log/pacman.log\n'
  31 }
  32
  33 version() {
  34         printf "%s %s\n" "$myname" "$myver"
  35         echo 'Copyright (C) 2011 Dave Reisner <dave@archlinux.org>'
  36 }
  37
  38 if [[ $1 ]]; then
  39         if [[ $1 = -@(h|-help) ]]; then
  40                 usage
  41                 exit 0
  42         elif [[ $1 = -@(V|-version) ]]; then
  43                 version
  44                 exit 0
  45         elif [[ ! -e $logfile ]]; then
  46                 printf $"target not found: %s\n" "$1"
  47                 exit 1
  48         fi
  49 fi
  50
  51 <"$logfile" awk '
  52 {
  53         action  = $3
  54         pkgname = $4
  55         pkgver  = $5
  56         upgver  = $7
  57 }
  58
  59 NF == 5 && action == "installed" {
  60         gsub(/[()]/, "", pkgver)
  61         pkg[pkgname] = pkgver
  62         next
  63 }
  64
  65 NF == 7 && action == "upgraded" {
  66         sub(/\)/, "", upgver)
  67         pkg[pkgname] = upgver
  68         next
  69 }
  70
  71 NF == 5 && action == "removed" {
  72         pkg[pkgname] = -1
  73 }
  74
  75 END {
  76         for (i in pkg) {
  77                 if (pkg[i] != -1) {
  78                         printf "%s %s\n",i,pkg[i]
  79                 }
  80         }
  81 }' | sort
  82
  83 # vim: set ts=2 sw=2 noet: