bae75ca5a1
path can be created by copying it from another location in the file system. This is useful in the NixOS installation.
53 lines
1.3 KiB
Perl
Executable file
53 lines
1.3 KiB
Perl
Executable file
#! /usr/bin/perl -w -I.
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use strict;
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use readmanifest;
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die unless scalar @ARGV == 2;
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my $cache = $ARGV[0];
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my $manifest = $ARGV[1];
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my %narFiles;
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my %localPaths;
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my %patches;
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readManifest $manifest, \%narFiles, \%localPaths, \%patches;
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foreach my $storePath (keys %narFiles) {
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my $narFileList = $narFiles{$storePath};
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foreach my $narFile (@{$narFileList}) {
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if (!defined $narFile->{size} or
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!defined $narFile->{narHash})
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{
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$narFile->{url} =~ /\/([^\/]+)$/;
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die unless defined $1;
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my $fn = "$cache/$1";
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my @info = stat $fn or die;
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$narFile->{size} = $info[7];
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my $narHash;
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my $hashFile = "$fn.NARHASH";
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if (-e $hashFile) {
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open HASH, "<$hashFile" or die;
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$narHash = <HASH>;
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close HASH;
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} else {
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print "$fn\n";
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$narHash = `bunzip2 < '$fn' | nix-hash --flat /dev/stdin` or die;
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open HASH, ">$hashFile" or die;
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print HASH $narHash;
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close HASH;
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}
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chomp $narHash;
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$narFile->{narHash} = $narHash;
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}
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}
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}
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if (! -e "$manifest.backup") {
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system "mv --reply=no '$manifest' '$manifest.backup'";
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}
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writeManifest $manifest, \%narFiles, \%patches;
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