mirror of
https://github.com/moparisthebest/pacman
synced 2024-11-04 16:45:07 -05:00
89 lines
2.4 KiB
Plaintext
89 lines
2.4 KiB
Plaintext
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#!/usr/bin/perl
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# paclist - List all packages installed from a given repo
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#
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# Copyright (C) 2008 Dan McGee <dpmcgee@gmail.com>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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use strict;
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use warnings;
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my $progname = "paclist";
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my $version = "1.0";
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if ($#ARGV != 0 || $ARGV[0] eq "--help" || $ARGV[0] eq "-h") {
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print "$progname - List all packages installed from a given repo\n";
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print "Usage: $progname <repo>\n";
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print "Example: $progname testing\n";
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if ($#ARGV != 0) {
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exit 1;
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}
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exit 0;
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}
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if ( $ARGV[0] eq "--version" || $ARGV[0] eq "-v") {
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print "$progname version $version\n";
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print "Copyright (C) 2008 Dan McGee\n";
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exit 0;
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}
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# This hash table will be used to store pairs of ('name version', count) from
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# the return of both pacman -Sl <repo> and pacman -Q output. We then check to
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# see if a value was added twice (count = 2)- if so, we will print that package
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# as it is both in the repo we queried and installed on our local system.
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my %packages = ();
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my $output;
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$output = `pacman -Sl $ARGV[0]`;
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if ($? != 0) {
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exit 1;
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}
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my @sync = split(/\n/, $output);
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# sample output from pacman -Sl:
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# testing foobar 1.0-1
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foreach $_ (@sync) {
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my @info = split(/ /);
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# we only want to store 'foobar 1.0-1' in our hash table
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my $pkg = $info[1] . " " . $info[2];
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$packages{$pkg}++;
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}
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$output = `pacman -Q`;
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if ($? != 0) {
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exit 1;
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}
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# sample output from pacman -Q:
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# foobar 1.0-1
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my @local = split(/\n/, $output);
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foreach $_ (@local) {
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# store 'foobar 1.0-1' in our hash table
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$packages{$_}++;
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}
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# run comparison check- if value was added twice, it was in the intersection
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my @intersection;
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foreach $_ (keys %packages) {
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if ($packages{$_} == 2) {
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push @{ \@intersection }, $_;
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}
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}
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# print our intersection, and bask in the glory and speed of perl
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@intersection = sort @intersection;
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foreach $_ (@intersection) {
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print $_ . "\n";
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}
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#vim: set noet:
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