debian-cd-clone/tools/generate_di_list

105 lines
3.0 KiB
Perl
Executable File

#!/usr/bin/perl -w
# Generate a list of packages required for debian-installer
# This script makes use of the following variables that need to be preset:
# MIRROR, DI_CODENAME, BASEDIR
die "Missing \$MIRROR variable" unless $ENV{MIRROR};
die "Missing \$DI_CODENAME variable" unless $ENV{DI_CODENAME};
die "Missing \$BASEDIR variable" unless $ENV{BASEDIR};
die "Missing \$ARCHES variable" unless $ENV{ARCHES};
# Early exit if we're building a source-only CD
exit 0 if $ENV{ARCHES} =~ /^\s*source\s*$/;
my @ARCHES;
if ( $ENV{ARCHES} ) {
push @ARCHES, 'i386' if $ENV{ARCHES} =~ /[^\s]i386[\s\$]/;
push @ARCHES, 'amd64' if $ENV{ARCHES} =~ /[^\s]amd64[\s\$]/;
push @ARCHES, grep { !/^(source|i386|amd64)$/ } split /\s+/, $ENV{ARCHES};
}
@ARCHES = qw{i386 amd64} unless @ARCHES;
@VARIANTS = split(" ", $ENV{VARIANTS});
my $DATE=`date`;
chomp $DATE;
open(OUT, ">debian-installer") || die "write: $!";
print OUT << "EOF";
/* List of udebs to be included so that debian-installer works fine
*
* This list can be generated with the command:
* ../tools/generate_di_list
*
* DO NOT EDIT THIS FILE, edit the above script
*
* Last update: $DATE
*/
EOF
my @common_excludes = read_exclude("exclude-udebs");
my $mirror_path = "$ENV{MIRROR}/dists/$ENV{DI_CODENAME}";
my @components = qw(main);
push @components, 'contrib' if $ENV{CONTRIB};
push @components, 'non-free' if $ENV{NONFREE};
push @components, 'local' if $ENV{LOCAL};
foreach my $arch (@ARCHES) {
(my $cpparch = $arch) =~ s/-/_/g;
my $output = '';
for my $component ( @components ) {
my $packagefile="$mirror_path/$component/debian-installer/binary-$arch/Packages.gz";
if ( $component eq 'local' and $ENV{LOCALDEBS} ) {
$packagefile="$ENV{LOCALDEBS}/dists/$ENV{DI_CODENAME}/local/debian-installer/binary-$arch/Packages.gz";
}
if (! -f $packagefile) {
print "Missing package file for $arch/$component.\n";
next;
}
my @exclude = @common_excludes;
push @exclude, read_exclude("exclude-udebs-$arch")
if -e exclude_path("exclude-udebs-$arch");
foreach my $udeb (map { chomp; $_ } `zcat $packagefile | awk '/^Package:/ {print \$2}'`) {
$output .= "$udeb\n" unless grep { $udeb =~ /^${_}$/ } @exclude;
}
}
next unless $output;
print OUT "#ifdef ARCH_$cpparch\n";
print OUT $output;
print OUT "#endif /* ARCH_$cpparch */\n";
}
sub read_exclude {
my $file=exclude_path(shift);
unless ( open (IN, "<$file") ) {
warn "failed to read exclude file $file";
return;
}
my @ret;
while (<IN>) {
chomp;
s/^#.*//;
next unless length;
my ($pkg,@cond) = split(" ", $_);
my $skip = 0;
foreach my $cond ( @cond ) {
if ($cond =~ /^!(.*)/) {
$skip = 1 if grep { $_ eq $1 } @VARIANTS;
} else {
$skip = 1 unless grep { $_ eq $cond } @VARIANTS;
}
}
next if $skip;
$pkg=quotemeta($pkg);
$pkg=~s/\\\*/.*/g;
push @ret, $pkg;
}
close IN;
return @ret;
}
sub exclude_path {
my $file=shift;
return "$ENV{BASEDIR}/data/$ENV{DI_CODENAME}/$file";
}