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#!/usr/bin/perl -w |
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|
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# Copyright (c) 2014 by Frodo Looijaard <frodo@frodo.looijaard.name> |
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# |
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# License: GPL-3.0+ |
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# This program is free software: you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation, either version 3 of the License, or |
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# (at your option) any later version. |
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# . |
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# This package 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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# . |
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# On Debian systems, the complete text of the GNU General |
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# Public License version 3 can be found in "/usr/share/common-licenses/GPL-3". |
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|
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|
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use strict; |
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use Getopt::Std; |
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|
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my $execname = 'apt-installed-status'; |
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my $version = '1.1'; |
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|
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|
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########################## |
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# HANDLE DATA COLLECTION # |
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########################## |
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|
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# Global variables to hold data about all currently installed packages and |
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# all available packages in apt archives. |
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|
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# installed_packages: hash |
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# package name: reference to array |
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# counter: reference to hash |
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# 'package': string: package name (same as the primary hash key) |
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# 'binpackage': string: binary package name (may contain architecture) |
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# 'architecture': string: architecture |
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# 'version': string: version |
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# 'status': string: package status |
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my %installed_packages; |
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|
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# package_lists: hash |
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# list: reference to hash |
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# package name: reference to array |
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# counter: reference to hash |
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# 'package': string: package name (same as the primary hash key) |
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# 'architecture': string: architecture |
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# 'version': string: version |
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# 'multiarch': string: package multi-arch option (not always available) |
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my %package_lists; |
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|
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# When only the names of the package lists is asked for, we fill this variable. |
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# archives: array |
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# counter: string: name of the archive |
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my @archive_names; |
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|
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|
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# Read a package list file and save it into global variable %package_lists. |
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# Parameter 1: $file: File name (within /var/lib/apt/lists) of the package list |
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# Returns: Nothing |
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# Side effects: Fills in global variabale $package_lists{$file} |
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sub read_package_list |
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{ |
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my ($file) = @_; |
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my ($entry,$package); |
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open(FILE, '/var/lib/apt/lists/'.$file) or die "Can't open $file: $!"; |
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while (<FILE>) { |
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chomp; |
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($package) = /^Package:\s*(.*)$/ if /^Package:/; |
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($entry->{'architecture'}) = /^Architecture:\s*(.*)$/ if /^Architecture:/; |
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($entry->{'version'}) = /^Version:\s*(.*)$/ if /^Version:/; |
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($entry->{'multiarch'}) = /^Multi-Arch:\s*(.*)$/ if /^Multi-Arch:/; |
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if (/^\s*$/ and defined($package)) { |
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$entry->{'package'} = $package; |
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push (@{$package_lists{$file}->{$package}}, $entry); |
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undef($entry); |
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undef($package); |
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} |
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} |
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if (defined($entry)) { |
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push (@{$package_lists{$file}->{$package}}, $entry); |
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} |
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close(FILE); |
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} |
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|
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# Read all package list files and save them into global variable %package_lists. |
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# Parameters: None |
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# Returns: Nothing |
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# Side effects: Fills in global variabale $package_lists |
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sub read_all_package_lists |
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{ |
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opendir(DIR, '/var/lib/apt/lists') or die "Can't opendir: $!"; |
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while (defined(my $file = readdir(DIR))) { |
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read_package_list($file) if $file =~ /_Packages$/ |
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} |
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closedir(DIR); |
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} |
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|
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# Read all installed packages and save them into global variable %installed_packages |
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# Parameters: None |
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# Returns: Nothing |
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# Side effects: Fills in global variabale $package_lists |
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sub read_installed_packages |
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{ |
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open(FILE,"dpkg-query -W -f'\${status}\t\${package}\t\${binary:package}\t\${version}\t\${architecture}\n'|") or die "Can't open pipe to dpkq-query: $!"; |
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while (<FILE>) { |
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chomp; |
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my ($status, $package, $binpackage,$version,$architecture) = split "\t"; |
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push @{$installed_packages{$package}},{ 'status' => $status, |
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'binpackage' => $binpackage, |
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'version' => $version, |
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'package' => $package, |
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'architecture' => $architecture }; |
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} |
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close FILE; |
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} |
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|
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# Try to locate a package in the archive lists, matching name, architecture |
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# and version. |
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# Parameters: $package_data: reference to a hash containing the package data |
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# Returns: An array of lists in which this package is available |
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sub find_package |
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{ |
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my ($package_data) = @_; |
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my @lists_found = (); |
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foreach my $listname (keys %package_lists) { |
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if (exists ($package_lists{$listname}->{$package_data->{'package'}})) { |
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foreach my $entry (@{$package_lists{$listname}->{$package_data->{'package'}}}) { |
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if ($entry->{'architecture'} eq $package_data->{'architecture'} and $entry->{'version'} eq $package_data->{'version'}) { |
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push @lists_found,$listname; |
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last; |
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} |
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} |
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} |
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} |
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return \@lists_found; |
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} |
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|
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# Determine for all installed packages in which archives they are found |
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# Parameters: None |
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# Returns: Nothing |
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# Side effects: Fills in global variabale $installed_packages |
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sub find_all_packages |
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{ |
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foreach my $package_name (keys %installed_packages) { |
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foreach my $entry (@{$installed_packages{$package_name}}) { |
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$entry->{'lists'} = find_package($entry); |
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} |
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} |
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} |
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|
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# Fill all global variables |
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sub init |
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{ |
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read_installed_packages(); |
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read_all_package_lists(); |
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find_all_packages(); |
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} |
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|
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# Determine which package archives are available. |
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# Parameters: None |
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# Returns: Nothing |
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# Side effects: Fills in global variabale @archive_names |
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sub init_names |
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{ |
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opendir(DIR, '/var/lib/apt/lists') or die "Can't opendir: $!"; |
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while (defined(my $file = readdir(DIR))) { |
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push (@archive_names,$file) if $file =~ /_Packages$/ |
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} |
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closedir(DIR); |
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} |
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|
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|
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############### |
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# OUTPUT DATA # |
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############### |
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|
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sub print_archive_names |
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{ |
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print join("\n", sort @archive_names)."\n"; |
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} |
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|
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sub print_archive_names_only |
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{ |
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my ($archives) = @_; |
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my %archives; |
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foreach my $archive (split (/,/,$archives)) { |
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$archives{$archive} = 1; |
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} |
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print join("\n", sort (grep { exists $archives{$_} } @archive_names))."\n"; |
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} |
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|
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sub print_archive_names_only_regexp |
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{ |
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my ($archives_regexp) = @_; |
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print join("\n", sort (grep /$archives_regexp/,@archive_names))."\n"; |
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} |
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|
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sub print_archive_names_except |
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{ |
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my ($archives) = @_; |
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my %archives; |
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foreach my $archive (split (/,/,$archives)) { |
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$archives{$archive} = 1; |
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} |
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print join("\n", sort (grep { ! exists $archives{$_} } @archive_names))."\n"; |
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} |
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|
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sub print_archive_names_except_regexp |
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{ |
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my ($archives_regexp) = @_; |
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print join("\n", sort (grep !/$archives_regexp/,@archive_names))."\n"; |
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} |
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|
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# Go through the list of all packages and call a subroutine on each installed |
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# package. |
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# Parameter 1: $sub: Reference to the subroutine to call |
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# Each call gets two parameters: the entry and $long |
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# Parameter 2..: @params: All other parameters |
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# Returns: Nothing |
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# Side effects: Generates output on STDOUT |
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sub iterate_through_packages { |
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my ($sub, @params) = @_; |
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foreach my $package_name (sort keys %installed_packages) { |
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foreach my $entry (@{$installed_packages{$package_name}}) { |
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if ($entry->{status} eq 'install ok installed') { |
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&$sub($entry, @params) |
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} |
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} |
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} |
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} |
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|
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# Print an entry, either with or without its archives |
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# Parameter 1: $entry: a hash reference containing keys package, architecture |
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# and version (as well as lists if $long is true) |
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# Parameter 2: $long: whether to print the archives too |
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# Returns: nothing |
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# Side effects: Generates output on STDOUT |
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sub print_item |
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{ |
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my ($entry, $long) = @_; |
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if ($long) { |
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print $entry->{package}."\t".$entry->{architecture}."\t".$entry->{version}."\t".join(',',@{$entry->{lists}})."\n"; |
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} else { |
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print $entry->{package}."\t".$entry->{architecture}."\t".$entry->{version}."\n"; |
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} |
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} |
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|
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# Print all packages, including archives |
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sub print_all |
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{ |
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iterate_through_packages(\&print_item, 1); |
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} |
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|
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|
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# Print only those packages that have no archive associated with them |
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sub print_orphans |
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{ |
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iterate_through_packages(\&print_orphans_item); |
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} |
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|
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# Callback: check whether an entry is an orphan and if so print it |
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sub print_orphans_item |
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{ |
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my ($entry) = @_; |
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if (! @{$entry->{lists}}) { |
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print_item($entry, 0); |
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} |
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} |
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|
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# Print those packages which are only in the specified archives |
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sub print_archives_only |
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{ |
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my ($archives,$long) = @_; |
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my %archives; |
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foreach my $archive (split (/,/,$archives)) { |
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$archives{$archive} = 1; |
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} |
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iterate_through_packages(\&print_archives_only_item, \%archives, $long); |
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} |
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|
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# Callback: print an entry if it is only in the specified archives |
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sub print_archives_only_item |
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{ |
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my ($entry,$archives, $long) = @_; |
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my $valid = 1; |
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foreach my $list (@{$entry->{lists}}) { |
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if (! exists($archives->{$list})) { |
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$valid = 0; |
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last; |
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} |
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} |
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if ($valid and @{$entry->{lists}}) { |
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print_item($entry, $long) |
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} |
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} |
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|
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# Print those packages which are only in the archives specified through a |
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# regular expression |
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sub print_archives_only_regexp |
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{ |
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my ($archives_regexp,$long) = @_; |
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iterate_through_packages(\&print_archives_only_regexp_item, $archives_regexp, $long); |
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} |
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|
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# Callback: print an entry if it is only in the archives specified through a |
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# regular expression |
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sub print_archives_only_regexp_item |
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{ |
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my ($entry, $archives_regexp, $long) = @_; |
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my $valid = 1; |
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foreach my $list (@{$entry->{lists}}) { |
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if (! ($list =~ /$archives_regexp/)) { |
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$valid = 0; |
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last; |
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} |
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} |
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if ($valid and @{$entry->{lists}}) { |
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print_item($entry, $long) |
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} |
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} |
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|
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# Print those packages which are not in the specified archives |
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sub print_archives_except |
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{ |
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my ($archives,$long) = @_; |
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my %archives; |
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foreach my $archive (split (/,/,$archives)) { |
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$archives{$archive} = 1; |
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} |
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iterate_through_packages(\&print_archives_except_item, \%archives, $long); |
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} |
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|
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# Callback: print an entry if it is not in the specified archives |
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sub print_archives_except_item |
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{ |
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my ($entry,$archives, $long) = @_; |
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my $valid = 1; |
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foreach my $list (@{$entry->{lists}}) { |
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if (exists($archives->{$list})) { |
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$valid = 0; |
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last; |
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} |
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} |
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if ($valid and @{$entry->{lists}}) { |
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print_item($entry, $long) |
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} |
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} |
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|
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# Print those packages which are not in the archives specified through a |
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# regular expression |
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sub print_archives_except_regexp |
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{ |
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my ($archives_regexp,$long) = @_; |
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iterate_through_packages(\&print_archives_except_regexp_item, $archives_regexp, $long); |
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} |
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|
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# Callback: print an entry if it is not in the archives specified through a |
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# regular expression |
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sub print_archives_except_regexp_item |
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{ |
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my ($entry, $archives_regexp, $long) = @_; |
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my $valid = 1; |
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foreach my $list (@{$entry->{lists}}) { |
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if ($list =~ /$archives_regexp/) { |
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$valid = 0; |
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last; |
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} |
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} |
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if ($valid and @{$entry->{lists}}) { |
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print_item($entry, $long) |
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} |
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} |
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|
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######################### |
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# COMMAND LINE HANDLING # |
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######################### |
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|
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sub print_help |
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{ |
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print STDERR "$execname [OPTION]\n"; |
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print STDERR " -h: help text and exit\n"; |
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print STDERR " -V: print version and exit\n"; |
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print STDERR " -o: orphans: packages that are not in any archive\n"; |
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print STDERR " -a ARCHS: archives: list all packages that are only in one of the listed\n"; |
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print STDERR " archives (seperated by commas)\n"; |
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print STDERR " -A ARCHREGEXP: archives: list all packages that are only in archives\n"; |
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print STDERR " that match the regular expression\n"; |
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print STDERR " -x ARCHS: except: list all packages that are not in one of the listed\n"; |
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print STDERR " archives (seperated by commas)\n"; |
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print STDERR " -X ARCHREGEXP: except: list all packages that are not in archives\n"; |
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print STDERR " that match the regular expression\n"; |
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print STDERR " -l: long: print archives too\n"; |
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print STDERR " -L: list: print archives that are selected instead of packages\n"; |
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|
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print STDERR "Default: print all packages and sources\n"; |
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} |
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|
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sub print_version |
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{ |
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print STDERR "$execname $version\n"; |
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} |
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|
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sub HELP_MESSAGE |
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{ |
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print_help(); |
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exit 0; |
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} |
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|
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$Getopt::Std::STANDARD_HELP_VERSION=1; |
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|
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our $VERSION=$version; |
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my %options; |
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if (! getopts('hVoLla:A:x:X:',\%options)) |
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{ |
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print_help(); |
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exit 1; |
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} |
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my $long=0; |
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my $names_only=0; |
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|
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if ($options{'h'}) { |
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print_help(); |
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exit 0; |
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} |
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if ($options{'V'}) { |
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print_version(); |
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exit 0; |
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} |
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if ($options{'L'}) { |
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$names_only=1; |
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} |
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if ($names_only) { |
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init_names(); |
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} else { |
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init(); |
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} |
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if ($options{'o'}) { |
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print_orphans(); |
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exit 0; |
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} |
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if ($options{l}) { |
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$long = 1; |
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} |
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if ($options{a}) { |
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if ($names_only) { |
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print_archive_names_only($options{a}); |
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} else { |
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print_archives_only($options{a},$long); |
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} |
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exit 0; |
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} |
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if ($options{A}) { |
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if ($names_only) { |
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print_archive_names_only_regexp($options{A}); |
| 461 |
} else { |
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print_archives_only_regexp($options{A},$long); |
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} |
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exit 0; |
| 465 |
} |
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if ($options{x}) { |
| 467 |
if ($names_only) { |
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print_archive_names_except($options{x}); |
| 469 |
} else { |
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print_archives_except($options{x},$long); |
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} |
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exit 0; |
| 473 |
} |
| 474 |
if ($options{X}) { |
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if ($names_only) { |
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print_archive_names_except($options{X}); |
| 477 |
} else { |
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print_archives_except_regexp($options{X},$long); |
| 479 |
} |
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exit 0; |
| 481 |
} |
| 482 |
if ($names_only) { |
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print_archive_names() |
| 484 |
} else { |
| 485 |
print_all(); |
| 486 |
} |
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|
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|
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# vim:sw=2:ft=perl:expandtab: |
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