117 lines
2.8 KiB
Plaintext
117 lines
2.8 KiB
Plaintext
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#!/usr/bin/perl -w
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#
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# which_deb
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#
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# Simple helper tool to find the appropriate version of a package in
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# the archive to meet a requirement in the debian-cd build
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use strict;
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my ($mirror, $codename, $pkg, $pth, $output);
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$mirror = shift;
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$codename = shift;
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$pkg = shift;
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$output = shift;
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$pth = "$mirror/dists/$codename/main";
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if (!defined ($output)) {
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$output = "binary";
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}
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sub grab_bin_info {
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my $pth = shift;
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my $arch = shift;
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my $pkgname = shift;
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my $old_split = $/;
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my $match;
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my $result = "";
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my $pgz = "$pth/binary-$arch/Packages.gz";
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$/ = ''; # Browse by paragraph
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if (-e $pgz) {
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open(PFILE, "zcat $pgz |") or
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die "Failed to read Packages file $pgz";
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while (defined($match = <PFILE>)) {
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if (($match =~ /^Package: \Q$pkgname\E$/m)) {
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$result = $match;
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close PFILE;
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return $result;
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}
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}
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# Fell through
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close PFILE;
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}
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return "";
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}
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sub grab_src_info {
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my $pth = shift;
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my $pkgname = shift;
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my $old_split = $/;
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my $match;
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my $result = "";
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my $pgz = "$pth/source/Sources.gz";
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$/ = ''; # Browse by paragraph
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if (-e $pgz) {
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open(PFILE, "zcat $pgz |") or
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die "Failed to read Sources file $pgz";
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while (defined($match = <PFILE>)) {
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if (($match =~ /^Package: \Q$pkgname\E$/m)) {
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$result = $match;
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close PFILE;
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return $result;
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}
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}
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# Fell through
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close PFILE;
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}
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return "";
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}
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my $bin_deb = "";
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my $pkgdata = "";
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my $srcname = "";
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if ($pkg eq "debootstrap") {
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$pkgdata = grab_bin_info($pth, "i386", $pkg);
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} elsif ($pkg eq "silo") {
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$pkgdata = grab_bin_info($pth, "sparc", $pkg);
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} elsif ($pkg eq "syslinux") {
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$pkgdata = grab_bin_info($pth, "i386", "syslinux-common");
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if (length($pkgdata) < 3) {
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$pkgdata = grab_bin_info($pth, "i386", "syslinux");
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}
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} elsif ($pkg eq "yaboot") {
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$pkgdata = grab_bin_info($pth, "powerpc", $pkg);
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}
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if (length($pkgdata) > 2) {
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if ($output eq "binary") {
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$pkgdata =~ m/^Filename: (\S+)/m and $bin_deb = $1;
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print "$bin_deb\n";
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}
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elsif ($output eq "source") {
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$srcname = $pkg;
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$pkgdata =~ m/^Source: (\S+)/m and $srcname = $1;
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$pkgdata = grab_src_info($pth, $srcname);
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if (length($pkgdata) > 2) {
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my $dir;
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$pkgdata =~ m/^Directory: (\S+)/m and $dir = $1;
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$pkgdata =~ m/^ (\S+) (\S+) ((\S+).*dsc)/m and print "$dir/$3\n";
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$pkgdata =~ m/^ (\S+) (\S+) ((\S+).*diff.gz)/m and print "$dir/$3\n";
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$pkgdata =~ m/^ (\S+) (\S+) ((\S+).*tar.gz)/m and print "$dir/$3\n";
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}
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}
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}
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