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package Nix::Store;
use strict;
use warnings;
use Nix::Config;
require Exporter;
our @ISA = qw(Exporter);
our %EXPORT_TAGS = ( 'all' => [ qw( ) ] );
our @EXPORT_OK = ( @{ $EXPORT_TAGS{'all'} } );
our @EXPORT = qw(
setVerbosity
isValidPath queryReferences queryPathInfo queryDeriver queryPathHash
queryPathFromHashPart
topoSortPaths computeFSClosure followLinksToStorePath exportPaths importPaths
hashPath hashFile hashString convertHash
signString checkSignature
addToStore makeFixedOutputPath
derivationFromPath
);
our $VERSION = '0.15';
sub backtick {
open(RES, "-|", @_) or die;
local $/;
my $res = <RES> || "";
close RES or die;
return $res;
}
if ($Nix::Config::useBindings) {
require XSLoader;
XSLoader::load('Nix::Store', $VERSION);
} else {
# Provide slow fallbacks of some functions on platforms that don't
# support the Perl bindings.
use File::Temp;
use Fcntl qw/F_SETFD/;
*hashFile = sub {
my ($algo, $base32, $path) = @_;
my $res = backtick("$Nix::Config::binDir/nix-hash", "--flat", $path, "--type", $algo, $base32 ? "--base32" : ());
chomp $res;
return $res;
};
*hashPath = sub {
my ($algo, $base32, $path) = @_;
my $res = backtick("$Nix::Config::binDir/nix-hash", $path, "--type", $algo, $base32 ? "--base32" : ());
chomp $res;
return $res;
};
*hashString = sub {
my ($algo, $base32, $s) = @_;
my $fh = File::Temp->new();
print $fh $s;
my $res = backtick("$Nix::Config::binDir/nix-hash", $fh->filename, "--type", $algo, $base32 ? "--base32" : ());
chomp $res;
return $res;
};
*addToStore = sub {
my ($srcPath, $recursive, $algo) = @_;
die "not implemented" if $recursive || $algo ne "sha256";
my $res = backtick("$Nix::Config::binDir/nix-store", "--add", $srcPath);
chomp $res;
return $res;
};
*isValidPath = sub {
my ($path) = @_;
my $res = backtick("$Nix::Config::binDir/nix-store", "--check-validity", "--print-invalid", $path);
chomp $res;
return $res ne $path;
};
*queryPathHash = sub {
my ($path) = @_;
my $res = backtick("$Nix::Config::binDir/nix-store", "--query", "--hash", $path);
chomp $res;
return $res;
};
}
1;
__END__
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