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|
#!/usr/bin/perl
use strict;
use warnings;
use Getopt::Long;
my $index;
my @add;
my @remove;
GetOptions(
"index=s" => \$index,
"add=s" => \@add,
"remove=s" => \@remove
);
unless (defined($index) && -f $index && (@add || @remove))
{
die "Usage: $0 --index <pkg index> --add <pkg> --remove <pkg>\n";
}
sub pkg_basename
{
my $file = shift || return;
return undef unless -f $file;
my ($name) = $file =~ m!^(?:.+/)?([^_/]+)[^/]+\.ipk$!;
return $name;
}
sub pkg_metadata
{
my $file = shift || return;
return undef unless -f $file;
my $size = -s $file;
my $md5sum;
my $sha256sum;
if (open MD5, "md5sum $file |")
{
if (defined(my $line = readline MD5))
{
($md5sum) = $line =~ /^([0-9a-fA-F]{32})/;
}
close MD5;
}
if (open SHA256, "openssl dgst -sha256 $file |")
{
if (defined(my $line = readline SHA256))
{
($sha256sum) = $line =~ /([0-9a-fA-f]{64})$/;
}
close SHA256;
}
return undef unless $md5sum && $sha256sum;
my $meta = '';
my ($name) = $file =~ m!([^/]+)$!;
if (open TAR, "tar -xzOf $file ./control.tar.gz | tar -xzOf - ./control |")
{
while (defined(my $line = readline TAR))
{
if ($line =~ /^Description:/)
{
$meta .= sprintf "Filename: %s\n", $name;
$meta .= sprintf "Size: %d\n", $size;
$meta .= sprintf "MD5Sum: %s\n", $md5sum;
$meta .= sprintf "SHA256sum: %s\n", $sha256sum;
}
$meta .= $line;
}
$meta .= "\n";
close TAR;
}
# Fix up source
$meta =~ s!^Source: .+/(feeds/.+)$!Source: $1!m;
return $meta;
}
my %addpkg;
my %rempkg;
foreach my $pkg (@add)
{
my $name = pkg_basename($pkg);
my $meta = pkg_metadata($pkg);
if (!defined $name || !defined $meta)
{
warn "$pkg is not a valid .ipk file\n";
next;
}
$addpkg{$name} = $meta;
$rempkg{$name} = 1;
}
my ($cur_pkg, $cur_meta);
my $cat = ($index =~ /\.gz$/) ? "zcat" : "cat";
@rempkg{@remove} = (1) x @remove;
if (open IDX, "$cat $index |")
{
while (1)
{
my $line = readline IDX;
if (defined($line) && $line =~ /^Package: (.+)$/)
{
$cur_pkg = $1;
$cur_meta = $line;
}
elsif (defined($line) && $line !~ /^$/ && defined($cur_meta))
{
$cur_meta .= $line;
}
else
{
foreach my $add (sort keys %addpkg)
{
if (!defined($cur_pkg) || $add le $cur_pkg)
{
print $addpkg{$add};
delete $addpkg{$add};
#$cur_pkg = $add;
}
}
if (defined($cur_pkg) && !$rempkg{$cur_pkg})
{
print $cur_meta, "\n";
}
undef $cur_pkg;
undef $cur_meta;
}
last unless defined $line;
}
close IDX;
}
|
