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path: root/perl/lib/Nix/Config.pm.in
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package Nix::Config;

use MIME::Base64;

$version = "@PACKAGE_VERSION@";

$binDir = $ENV{"NIX_BIN_DIR"} || "@bindir@";
$libexecDir = $ENV{"NIX_LIBEXEC_DIR"} || "@libexecdir@";
$stateDir = $ENV{"NIX_STATE_DIR"} || "@localstatedir@/nix";
$manifestDir = $ENV{"NIX_MANIFESTS_DIR"} || "@localstatedir@/nix/manifests";
$logDir = $ENV{"NIX_LOG_DIR"} || "@localstatedir@/log/nix";
$confDir = $ENV{"NIX_CONF_DIR"} || "@sysconfdir@/nix";
$storeDir = $ENV{"NIX_STORE_DIR"} || "@storedir@";

$bzip2 = "@bzip2@";
$xz = "@xz@";
$curl = "@curl@";
$openssl = "@openssl@";

$useBindings = "@perlbindings@" eq "yes";

%config = ();

%binaryCachePublicKeys = ();

sub readConfig {
    if (defined $ENV{'_NIX_OPTIONS'}) {
        foreach my $s (split '\n', $ENV{'_NIX_OPTIONS'}) {
            my ($n, $v) = split '=', $s, 2;
            $config{$n} = $v;
        }
    } else {
        my $config = "$confDir/nix.conf";
        return unless -f $config;

        open CONFIG, "<$config" or die "cannot open ‘$config’";
        while (<CONFIG>) {
            /^\s*([\w\-\.]+)\s*=\s*(.*)$/ or next;
            $config{$1} = $2;
        }
        close CONFIG;
    }

    foreach my $s (split(/ /, $config{"binary-cache-public-keys"} // "")) {
        my ($keyName, $publicKey) = split ":", $s;
        next unless defined $keyName && defined $publicKey;
        $binaryCachePublicKeys{$keyName} = decode_base64($publicKey);
    }
}

return 1;