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#!/usr/bin/perl -w # -*- Mode: Perl -*- # setup.pl --- # Author : Manoj Srivastava ( srivasta@tiamat.datasync.com ) # Created On : Wed Mar 4 15:11:47 1998 # Created On Node : tiamat.datasync.com # Last Modified By : Manoj Srivastava # Last Modified On : Tue May 19 11:25:32 1998 # Last Machine Used: tiamat.datasync.com # Update Count : 87 # Status : Unknown, Use with caution! # HISTORY : # Description : # This file is designed to go into /usr/lib/apt/methods/setup # #use strict; #use diagnostics; #printf STDERR "DEBUG: Arguments $ARGV[0];$ARGV[1];$ARGV[2];\n"; # Handle the arguments my $vardir=$ARGV[0]; my $method=$ARGV[1]; my $option=$ARGV[2]; my $config_file = '/etc/apt/sources.list'; my $boldon=`setterm -bold on`; my $boldoff=`setterm -bold off`; my @known_types = ('deb'); my @known_access = ('http', 'ftp', 'file'); my @typical_distributions = ('stable', 'unstable', 'testing'); my @typical_components = ('main', 'contrib', 'non-free', 'non-free-firmware'); my %known_access = map {($_,$_)} @known_access; my %typical_distributions = map {($_,$_)} @typical_distributions; # Read the config file, creating source records sub read_config { my %params = @_; my @Config = (); die "Required parameter Filename Missing" unless $params{'Filename'}; open (CONFIG, "$params{'Filename'}") || die "Could not open $params{'Filename'}: $!"; while (<CONFIG>) { chomp; my $rec = {}; my ($type, $urn, $distribution, $components) = m/^\s*(\S+)\s+(\S+)\s+(\S+)\s*(?:\s+(\S.*))?$/o; $rec->{'Type'} = $type; $rec->{'URN'} = $urn; $rec->{'Distribution'} = $distribution; $rec->{'Components'} = $components; push @Config, $rec; } close(CONFIG); return @Config; } # write the config file; writing out the current set of source records sub write_config { my %params = @_; my $rec; my %Seen = (); die "Required parameter Filename Missing" unless $params{'Filename'}; die "Required parameter Config Missing" unless $params{'Config'}; open (CONFIG, ">$params{'Filename'}") || die "Could not open $params{'Filename'} for writing: $!"; for $rec (@{$params{'Config'}}) { my $line = "$rec->{'Type'} $rec->{'URN'} $rec->{'Distribution'} "; $line .= "$rec->{'Components'}" if $rec->{'Components'}; $line .= "\n"; print CONFIG $line unless $Seen{$line}++; } close(CONFIG); } # write the config file; writing out the current set of source records sub print_config { my %params = @_; my $rec; my %Seen = (); die "Required parameter Config Missing" unless $params{'Config'}; for $rec (@{$params{'Config'}}) { next unless $rec; my $line = "$rec->{'Type'} " if $rec->{'Type'}; $line .= "$rec->{'URN'} " if $rec->{'URN'}; $line .= "$rec->{'Distribution'} " if $rec->{'Distribution'}; $line .= "$rec->{'Components'}" if $rec->{'Components'}; $line .= "\n"; print $line unless $Seen{$line}++; } } # Ask for and add a source record sub get_source { my %params = @_; my $rec = {}; my $answer; my ($type, $urn, $distribution, $components); if ($params{'Default'}) { ($type, $urn, $distribution, $components) = $params{'Default'} =~ m/^\s*(\S+)\s+(\S+)\s+(\S+)\s+(\S.*)$/o; } $type = 'deb'; $urn = "http://deb.debian.org/debian" unless $urn; $distribution = "stable" unless $distribution; $components = "main contrib non-free non-free-firmware" unless $components; $rec->{'Type'} = 'deb'; $| = 1; my $done = 0; while (!$done) { print "\n"; print "$boldon URL [$urn]: $boldoff"; $answer=<STDIN>; chomp ($answer); $answer =~ s/\s*//og; if ($answer =~ /^\s*$/o) { $rec->{'URN'} = $urn; last; } else { my ($scheme) = $answer =~ /^\s*([^:]+):/o; if (! defined $known_access{$scheme}) { print "Unknown access scheme $scheme in $answer\n"; print " The available access methods known to me are\n"; print join (' ', @known_access), "\n"; print "\n"; } else { $rec->{'URN'} = $answer; last; } } } print "\n"; print " Please give the distribution tag to get or a path to the\n"; print " package file ending in a /. The distribution\n"; print " tags are typically something like:$boldon "; print join(' ', @typical_distributions), "$boldoff\n"; print "\n"; print "$boldon Distribution [$distribution]:$boldoff "; $answer=<STDIN>; chomp ($answer); $answer =~ s/\s*//og; if ($answer =~ /^\s*$/o) { $rec->{'Distribution'} = $distribution; $rec->{'Components'} = &get_components($components); } elsif ($answer =~ m|/$|o) { $rec->{'Distribution'} = "$answer"; $rec->{'Components'} = ""; } else { # A distribution tag, eh? warn "$answer does not seem to be a typical distribution tag\n" unless defined $typical_distributions{$answer}; $rec->{'Distribution'} = "$answer"; $rec->{'Components'} = &get_components($components); } return $rec; } sub get_components { my $default = shift; my $answer; print "\n"; print " Please give the components to get\n"; print " The components are typically something like:$boldon "; print join(' ', @typical_components), "$boldoff\n"; print "\n"; print "$boldon Components [$default]:$boldoff "; $answer=<STDIN>; chomp ($answer); $answer =~ s/\s+/ /og; if ($answer =~ /^\s*$/o) { return $default; } else { return $answer; } } sub get_sources { my @Config = (); my $done = 0; my @Oldconfig = (); if (-e $config_file) { @Oldconfig = &read_config('Filename' => $config_file) } print "\t$boldon Set up a list of distribution source locations $boldoff \n"; print "\n"; print " Please give the base URL of the debian distribution.\n"; print " The access schemes I know about are:$boldon "; print join (' ', @known_access), "$boldoff\n"; # print " The mirror scheme is special that it does not specify the\n"; # print " location of a debian archive but specifies the location\n"; # print " of a list of mirrors to use to access the archive.\n"; print "\n"; print " For example:\n"; print " file:/mnt/debian,\n"; print " ftp://ftp.debian.org/debian,\n"; print " http://ftp.de.debian.org/debian,\n"; # print " and the special mirror scheme,\n"; # print " mirror:http://www.debian.org/archivemirrors \n"; print "\n"; my $index = 0; while (!$done) { if ($Oldconfig[$index]) { push (@Config, &get_source('Default' => $Oldconfig[$index++])); } else { push (@Config, &get_source()); } print "\n"; print "$boldon Would you like to add another source?[y/N]$boldoff "; my $answer = <STDIN>; chomp ($answer); $answer =~ s/\s+/ /og; if ($answer =~ /^\s*$/o) { last; } elsif ($answer !~ m/\s*y/io) { last; } } return @Config; } sub main { if (-e $config_file) { my @Oldconfig = &read_config('Filename' => $config_file); print "$boldon I see you already have a source list.$boldoff\n"; print "-" x 72, "\n"; &print_config('Config' => \@Oldconfig); print "-" x 72, "\n"; print "$boldon Do you wish to overwrite it? [y/N]$boldoff "; my $answer = <STDIN>; chomp ($answer); $answer =~ s/\s+/ /og; exit 0 unless $answer =~ m/\s*y/io; } # OK. They want to be here. my @Config = &get_sources(); #&print_config('Config' => \@Config); &write_config('Config' => \@Config, 'Filename' => $config_file); } &main();