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|
#!/usr/bin/perl -w
BEGIN {
unshift @INC, ($::ENV{"BUILD_DIR"} || "/usr/lib/build");
}
use strict;
use Digest::MD5;
use File::Path;
use Getopt::Long;
use Build::Deb;
Getopt::Long::Configure("no_ignore_case");
my $cachedir = "/var/cache/build";
my $archpath;
sub getreponame {
my ($url) = @_;
return $1 if "/$url/" =~ /.*\/([^\/]+)\/os\//;
return undef;
}
my $pkgnum = 0;
sub printpkginfo {
my ($d, $repourl) = @_;
for (qw{package version filename architecture}) {
return unless defined $d->{$_};
}
$pkgnum++;
my $id = "$d->{'package'}.$d->{'architecture'}-$pkgnum/0/0";
print "F:$id: $repourl$d->{'filename'}\n";
if (defined $d->{'provides'}) {
$d->{'provides'} =~ s/,\s+/ /g;
print "P:$id: $d->{'provides'} $d->{'package'} (= $d->{'version'})\n";
} else {
print "P:$id: $d->{'package'} (= $d->{'version'})\n";
}
if (defined $d->{'depends'}) {
$d->{'depends'} =~ s/,\s+/ /g;
print "R:$id: $d->{'depends'}\n";
}
print "I:$id: $d->{package}-$d->{'version'} 0\n";
}
GetOptions('cachedir=s' => \$cachedir, 'archpath=s' => \$archpath) or exit(1);
if (!$archpath) {
$archpath = `uname -p` || 'unknown';
chomp $archpath;
}
my $basearch = $archpath;
$basearch =~ s/:.*//;
$basearch = Build::Deb::basearch($basearch);
for my $url (@ARGV) {
die("Not an remote debian repo") unless $url =~ /^(:?ftps?|https?):\/\/([^\/]*)\/?/;
my $reponame = getreponame($url);
my $repoid = Digest::MD5::md5_hex($url);
my $dir = "$cachedir/$repoid";
my @components;
my $baseurl = $url;
if ($url =~ /^(.*\/)\.(\/.*)?$/) {
# flat repo
$baseurl = $1;
@components = ('.');
$url = defined($2) ? "$1$2" : $1;
$url .= '/' unless $url =~ /\/$/;
} else {
if ($url =~ /([^\/]+)$/) {
@components = split(/[,+]/, $1);
$url =~ s/([^\/]+)$//;
}
push @components, 'main' unless @components;
$url .= '/' unless $url =~ /\/$/;
$url =~ s/([^\/]+\/)$/dists\/$1/;
}
File::Path::mkpath($dir);
for my $component (@components) {
unlink("$dir/Packages.gz");
if ($component eq '.') {
system($INC[0]."/download", $dir, "${url}Packages.gz");
die("Packages.gz missing\n") unless -s "$dir/Packages.gz";
} else {
system($INC[0]."/download", $dir, "$url$component/binary-$basearch/Packages.gz");
die("Packages.gz missing for basearch $basearch, component $component\n") unless -s "$dir/Packages.gz";
}
open(F, "-|", 'gunzip', '-dc', "$dir/Packages.gz") || die("$dir/Packages.gz: $!\n");
my $pkg = {};
my $tag;
while (<F>) {
chomp;
if ($_ eq '') {
printpkginfo($pkg, $baseurl);
$pkg = {};
next;
}
if (/^\s/) {
next unless $tag;
$pkg->{$tag} .= "\n".substr($_, 1);
next;
}
my $data;
($tag, $data) = split(':', $_, 2);
next unless defined $data;
$tag = lc($tag);
$data =~ s/^\s*//;
$pkg->{$tag} = $data;
}
close(F) || die("gunzip: $!\n");
printpkginfo($pkg, $baseurl);
}
}
|
