nixpkgs/helpers/paths-from-graph.pl
Eelco Dolstra 995b749f70 * Put a nix-pull manifest of the Nix store on the CD.
svn path=/nixos/trunk/; revision=7777
2007-01-23 15:08:00 +00:00

53 lines
1.1 KiB
Perl

use strict;
my %storePaths;
my %refs;
foreach my $graph (@ARGV) {
open GRAPH, "<$graph" or die;
while (<GRAPH>) {
chomp;
my $storePath = "$_";
$storePaths{$storePath} = 1;
my $deriver = <GRAPH>; chomp $deriver;
my $count = <GRAPH>; chomp $count;
my @refs = ();
for (my $i = 0; $i < $count; ++$i) {
my $ref = <GRAPH>; chomp $ref;
push @refs, $ref;
}
$refs{$storePath} = \@refs;
}
close GRAPH;
}
if ($ENV{"printManifest"} eq "1") {
print "version {\n";
print " ManifestVersion: 3\n";
print "}\n";
foreach my $storePath (sort (keys %storePaths)) {
print "{\n";
print " StorePath: $storePath\n";
print " CopyFrom: /tmp/inst-store$storePath\n";
print " References: ";
foreach my $ref (@{$refs{$storePath}}) {
print "$ref ";
}
print "\n";
print "}\n";
}
}
else {
foreach my $storePath (sort (keys %storePaths)) {
print "$storePath\n";
}
}