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#!/bin/bash
#
# paclog-pkglist - Parse a log file into a list of currently installed packages
#
# Copyright (C) 2011 Dave Reisner <dave@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/>.
declare -r myname='paclog-pkglist'
declare -r myver='@PACKAGE_VERSION@'
export TEXTDOMAIN='pacman'
export TEXTDOMAINDIR='/usr/share/locale'
declare logfile=${1:-@localstatedir@/log/pacman.log}
usage() {
printf "%s (pacman) v%s\n" "${myname}" "${myver}"
echo
echo "Parse a log file into a list of currently installed packages"
echo
printf "Usage: %s [path to pacman log]\n" "${myname}"
echo
printf "Example: %s @localstatedir@/log/pacman.log\n" "${myname}"
echo
printf 'Defaults to: @localstatedir@/log/pacman.log'
}
version() {
printf "%s %s\n" "$myname" "$myver"
echo 'Copyright (C) 2011 Dave Reisner <dave@archlinux.org>'
}
if [[ $1 ]]; then
if [[ $1 = -@(h|-help) ]]; then
usage
exit 0
elif [[ $1 = -@(V|-version) ]]; then
version
exit 0
elif [[ ! -e $logfile ]]; then
printf $"target not found: %s\n" "$1"
exit 1
fi
fi
<"$logfile" awk '
{
if ($3 ~ /^\[.*\]$/) {
# new style with caller name
action = $4
pkgname = $5
pkgver = $6
upgver = $8
nfields = NF
} else {
action = $3
pkgname = $4
pkgver = $5
upgver = $7
nfields = (NF + 1) # compensate for missing caller field
}
}
nfields == 6 && action == "installed" {
gsub(/[()]/, "", pkgver)
pkg[pkgname] = pkgver
next
}
nfields == 8 && (action == "upgraded" || action == "downgraded") {
sub(/\)/, "", upgver)
pkg[pkgname] = upgver
next
}
nfields == 6 && action == "removed" {
pkg[pkgname] = -1
}
END {
for (i in pkg) {
if (pkg[i] != -1) {
printf "%s %s\n",i,pkg[i]
}
}
}' | sort
# vim: set noet:
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