guix/scripts/maintenance/gc-releases.pl
Eelco Dolstra bae75ca5a1 * New kind of manifest object: "localPath", which denotes that a store
path can be created by copying it from another location in the file
  system.  This is useful in the NixOS installation.
2007-01-23 16:50:19 +00:00

55 lines
1.4 KiB
Perl
Executable file

#! /usr/bin/perl -w -I. -I..
use strict;
use readmanifest;
use readcache;
# Read the manifests.
my %narFiles;
my %localPaths;
my %patches;
foreach my $manifest (@ARGV) {
print STDERR "loading $manifest\n";
if (readManifest($manifest, \%narFiles, \%localPaths, \%patches, 1) < 3) {
# die "manifest `$manifest' is too old (i.e., for Nix <= 0.7)\n";
}
}
# Find the live archives.
my %usedFiles;
foreach my $narFile (keys %narFiles) {
foreach my $file (@{$narFiles{$narFile}}) {
$file->{url} =~ /\/([^\/]+)$/;
my $basename = $1;
die unless defined $basename;
# print $basename, "\n";
$usedFiles{$basename} = 1;
print STDERR "missing archive `$basename'\n"
unless defined $readcache::archives{$basename};
}
}
foreach my $patch (keys %patches) {
foreach my $file (@{$patches{$patch}}) {
$file->{url} =~ /\/([^\/]+)$/;
my $basename = $1;
die unless defined $basename;
# print $basename, "\n";
$usedFiles{$basename} = 1;
die "missing archive `$basename'"
unless defined $readcache::archives{$basename};
}
}
# Print out the dead archives.
foreach my $archive (keys %readcache::archives) {
next if $archive eq "." || $archive eq "..";
if (!defined $usedFiles{$archive}) {
print $readcache::archives{$archive}, "\n";
}
}