debian-cd-clone/tools/publish_cds

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#! /usr/bin/perl -w
eval 'exec /usr/bin/perl -S $0 ${1+"$@"}'
if 0; #$running_under_some_shell
# Copyright (c) 2002 Philip Hands <phil@hands.com>
# See the README file for the license
# This script creates the md5sums files, using the precalculated md5sums
# from the main archive
#
# First arg = the version directory name to target
#
# subsequent optional arguments are the architectures to publish
# If omited, the script will use all the directories in the $OUT
# directory as the architectures to publish.
#
# For example:
# ./tools/publish_cds 3.0-pre2 i386 src m68k
#
use strict;
use MIME::Base64;
use File::Copy;
my $to_dir = shift @ARGV || die "Usage: $0 <to_dir>\n" ;
my %conf;
my %jigdosums;
sub jigsum_to_md5sum ($) {
my $str = shift;
$str =~ tr%-_%+/% ; # convert to normal base64
$str =~ tr|A-Za-z0-9+=/||cd; # remove non-base64 chars
$str =~ tr|A-Za-z0-9+/| -_|; # convert to uuencoded format
return unpack('H32', join'',
map( unpack("u", chr(32 + length($_)*3/4). $_),
$str =~ /(.{1,60})/gs));
}
sub mkdirs ($) {
my $path = shift;
return if (-d $path) ;
if ($path =~ m|^(.*)/[^/]*$|) {
mkdirs($1);
}
mkdir($path);
}
# Pick up settings from CONF.sh
open(SHELL, "sh -x CONF.sh 2>&1|") || die;
while(<SHELL>) {
chomp;
next unless (/^[+] export (.*)$/);
next unless ($1 =~ /^'([^=]+)=(.*)'$/ || $1 =~ /^([^=]+)=(.*)$/) ;
$conf{$1} = $2;
}
close(SHELL) ;
my $from_dir = $conf{'OUT'} ;
my $mirror_dir = $conf{'MIRROR'} ;
my $nonus_dir = $conf{'NONUS'} ;
for my $arch (<$from_dir/*>) {
my $bad_images ;
my $to_arch = $arch ;
$to_arch =~ s|^$from_dir|$to_dir/jigdo| ;
$to_arch =~ s%/src$%/source% ;
mkdirs($to_arch) || die ;
open(MD5OUT, ">$to_arch/MD5SUMS");
for my $jigdo (<$arch/*.jigdo>) {
my ($http, $filename, $size, $md5) ;
# find out the image name
open (JIGDO, $jigdo) || die;
my $section = "" ;
while(<JIGDO>) {
chomp;
if (/^\[(.*)\]$/) {
die "ERROR: don't know how to handle multi-image jigdo files"
if ($section eq "Image" && $1 eq "Image") ;
$section = $1;
next ;
}
if ($section eq "Image") {
if (/^Filename=(.*)$/) { $filename = $1 ; }
if (/^Template=(.*)$/) { $http = $1 ; }
}
elsif ($section eq "Parts") {
if (/^([^=]*)=(.*)$/) {
my $jigsum = $1 ;
my $file = $2 ;
if (defined($jigdosums{$file})) {
die "sums don't match for $file" if ($jigdosums{$file} ne $jigsum);
} else {
$jigdosums{$file} = $jigsum ;
}
}
}
}
close(JIGDO);
# get the checksum & size from the template
my $template = $jigdo ;
$template =~ s/.jigdo$/.template/ ;
open (TPL, "jigdo-file ls --template $template|") || die;
while (<TPL>) {
chomp;
next unless (/^image-info\s+(\S+)\s+(\S*)\s+(\S+)$/) ;
$size = $1 ;
$md5 = jigsum_to_md5sum($2);
}
if (!defined($md5)) {
$bad_images++ ;
print STDERR "ERROR: md5 not available from $template\n";
next;
}
print STDERR "WARNING: image too small ($size in $template)\n"
if ($size < 10000000) ;
print STDERR "WARNING: image too big ($size in $template)\n"
if ($size > 681574400) ;
printf MD5OUT "%032s %s\n", $md5, $filename;
close(TPL) ;
copy($template, $to_arch) ||
die "ERROR copying $template to $to_arch ($!)" ;
copy($jigdo, $to_arch) ||
die "ERROR copying $jigdo to $to_arch ($!)" ;
}
close(MD5OUT);
unlink ("$to_arch/MD5SUMS") if ($bad_images) ;
}
# and now we make the hardlink snapshot, and check that all the md5's match
for my $file (sort(keys(%jigdosums))) {
my $frompath = $file ;
$frompath =~ s|^Debian:|$mirror_dir/| ;
$frompath =~ s|^Non-US:|$nonus_dir/| ;
my $topath = $file ;
$topath =~ s|^Debian:|$to_dir/snapshot/| ;
$topath =~ s|^Non-US:|$to_dir/snapshot/| ;
# printf "%s %s\n", jigsum_to_md5sum($jigdosums{$file}), $frompath ;
#printf "%s\n", $frompath ;
#printf " --> %s\n", $topath ;
$topath =~ m|^(.*)/[^/]*$| ;
mkdirs($1) ;
if (-f $frompath) {
link ($frompath, $topath) || die "ERROR: linking $frompath to $topath";
} else {
print STDERR "ERROR: $frompath is not a file\n" ;
}
}