debian-cd-clone/etchnhalf/tools/generate_di_list

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#!/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};
my @ARCHES=qw{alpha arm armel hppa hurd-i386 i386 ia64 mips mipsel
powerpc s390 sparc amd64};
my $DATE=`date`;
chomp $DATE;
open(OUT, ">debian-installer-$ENV{DI_CODENAME}") || 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");
foreach my $arch (@ARCHES) {
my $packagefile="$ENV{MIRROR}/dists/$ENV{DI_CODENAME}/main/debian-installer/binary-$arch/Packages.gz";
unless (-f $packagefile) {
print "Missing package file for arch $arch.\n";
next;
}
(my $cpparch = $arch) =~ s/-/_/g;
print OUT "#ifdef ARCH_$cpparch\n";
my @exclude = @common_excludes;
push @exclude, read_exclude("exclude-udebs-$arch")
if -e exclude_path("exclude-udebs-$arch");
UDEB: foreach my $udeb (map { chomp; $_ } `zcat $packagefile | awk '/^Package:/ {print \$2}'`) {
foreach my $pattern (@exclude) {
if ($udeb =~ /^$pattern$/) {
next UDEB;
}
}
print OUT "$udeb\n";
}
print OUT "#endif /* ARCH_$cpparch */\n";
}
sub read_exclude {
my $file=exclude_path(shift);
open (IN, "<$file") || warn "failed to read exclude file $file";
my @ret;
while (<IN>) {
chomp;
s/^#.*//;
next unless length;
$_=quotemeta($_);
$_=~s/\\\*/.*/g;
push @ret, $_;
}
close IN;
return @ret;
}
sub exclude_path {
my $file=shift;
return "$ENV{BASEDIR}/data/$ENV{DI_CODENAME}/$file";
}