157 lines
3.9 KiB
Perl
Executable File
157 lines
3.9 KiB
Perl
Executable File
#! /usr/bin/perl -w
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eval 'exec /usr/bin/perl -S $0 ${1+"$@"}'
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if 0; #$running_under_some_shell
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# Copyright (c) 2002 Philip Hands <phil@hands.com>
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# See the README file for the license
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# This script creates the md5sums files, using the precalculated md5sums
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# from the main archive
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# First arg = the place that gets published as http://.../debian-cd/
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use strict;
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use MIME::Base64;
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use File::Copy;
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my $to_dir = shift @ARGV || die "Usage: $0 <to_dir>\n" ;
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my %conf;
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my %jigdosums;
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sub jigsum_to_md5sum ($) {
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my $str = shift;
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$str =~ tr%-_%+/% ; # convert to normal base64
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$str =~ tr|A-Za-z0-9+=/||cd; # remove non-base64 chars
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$str =~ tr|A-Za-z0-9+/| -_|; # convert to uuencoded format
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return unpack('H32', join'',
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map( unpack("u", chr(32 + length($_)*3/4). $_),
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$str =~ /(.{1,60})/gs));
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}
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sub mkdirs ($) {
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my $path = shift;
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return if (-d $path) ;
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if ($path =~ m|^(.*)/[^/]*$|) {
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mkdirs($1);
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}
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mkdir($path);
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}
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# Pick up settings from CONF.sh
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open(SHELL, "sh -x CONF.sh 2>&1|") || die;
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while(<SHELL>) {
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chomp;
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next unless (/^[+] export (.*)$/);
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next unless ($1 =~ /^'([^=]+)=(.*)'$/ || $1 =~ /^([^=]+)=(.*)$/) ;
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$conf{$1} = $2;
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}
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close(SHELL) ;
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my $from_dir = $conf{'OUT'} ;
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my $mirror_dir = $conf{'MIRROR'} ;
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my $nonus_dir = $conf{'NONUS'} ;
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for my $arch (<$from_dir/*>) {
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my $bad_images ;
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my $to_arch = $arch ;
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$to_arch =~ s|^$from_dir|$to_dir/jigdo| ;
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$to_arch =~ s%/src$%/source% ;
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mkdirs($to_arch) || die ;
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open(MD5OUT, ">$to_arch/MD5SUMS");
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for my $jigdo (<$arch/*.jigdo>) {
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my ($http, $filename, $size, $md5) ;
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# find out the image name
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open (JIGDO, $jigdo) || die;
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my $section = "" ;
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while(<JIGDO>) {
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chomp;
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if (/^\[(.*)\]$/) {
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die "ERROR: don't know how to handle multi-image jigdo files"
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if ($section eq "Image" && $1 eq "Image") ;
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$section = $1;
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next ;
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}
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if ($section eq "Image") {
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if (/^Filename=(.*)$/) { $filename = $1 ; }
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if (/^Template=(.*)$/) { $http = $1 ; }
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}
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elsif ($section eq "Parts") {
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if (/^([^=]*)=(.*)$/) {
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my $jigsum = $1 ;
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my $file = $2 ;
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if (defined($jigdosums{$file})) {
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die "sums don't match for $file" if ($jigdosums{$file} ne $jigsum);
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} else {
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$jigdosums{$file} = $jigsum ;
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}
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}
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}
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}
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close(JIGDO);
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# get the checksum & size from the template
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my $template = $jigdo ;
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$template =~ s/.jigdo$/.template/ ;
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open (TPL, "jigdo-file ls --template $template|") || die;
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while (<TPL>) {
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chomp;
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next unless (/^image-info\s+(\S+)\s+(\S*)\s+(\S+)$/) ;
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$size = $1 ;
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$md5 = jigsum_to_md5sum($2);
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}
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if (!defined($md5)) {
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$bad_images++ ;
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print STDERR "ERROR: md5 not available from $template\n";
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next;
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}
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print STDERR "WARNING: image too small ($size in $template)\n"
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if ($size < 10000000) ;
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print STDERR "WARNING: image too big ($size in $template)\n"
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if ($size > 681574400) ;
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printf MD5OUT "%032s %s\n", $md5, $filename;
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close(TPL) ;
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copy($template, $to_arch) ||
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die "ERROR copying $template to $to_arch ($!)" ;
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copy($jigdo, $to_arch) ||
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die "ERROR copying $jigdo to $to_arch ($!)" ;
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}
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close(MD5OUT);
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unlink ("$to_arch/MD5SUMS") if ($bad_images) ;
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}
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# and now we make the hardlink snapshot, and check that all the md5's match
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for my $file (sort(keys(%jigdosums))) {
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my $frompath = $file ;
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$frompath =~ s|^Debian:|$mirror_dir/| ;
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$frompath =~ s|^Non-US:|$nonus_dir/| ;
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my $topath = $file ;
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$topath =~ s|^Debian:|$to_dir/snapshot/| ;
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$topath =~ s|^Non-US:|$to_dir/snapshot/| ;
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# printf "%s %s\n", jigsum_to_md5sum($jigdosums{$file}), $frompath ;
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#printf "%s\n", $frompath ;
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#printf " --> %s\n", $topath ;
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$topath =~ m|^(.*)/[^/]*$| ;
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mkdirs($1) ;
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if (-f $frompath) {
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link ($frompath, $topath) || die "ERROR: linking $frompath to $topath";
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} else {
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print STDERR "ERROR: $frompath is not a file\n" ;
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}
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}
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