chore(3p/nix): Remove old build system and other miscellanies r/741

There are still remnants of the old build system (for example, the
build derivations are not yet updated at all), but we'll get there.

1 files changed, 0 insertions, 110 deletions

diff --git a/third_party/nix/perl/lib/Nix/SSH.pm b/third_party/nix/perl/lib/Nix/SSH.pm
deleted file mode 100644
index 490ba0ea991e..000000000000
--- a/third_party/nix/perl/lib/Nix/SSH.pm
+++ /dev/null
@@ -1,110 +0,0 @@
-package Nix::SSH;
-
-use utf8;
-use strict;
-use File::Temp qw(tempdir);
-use IPC::Open2;
-
-our @ISA = qw(Exporter);
-our @EXPORT = qw(
-  @globalSshOpts
-  readN readInt readString readStrings
-  writeInt writeString writeStrings
-  connectToRemoteNix
-);
-
-
-our @globalSshOpts = split ' ', ($ENV{"NIX_SSHOPTS"} or "");
-
-
-sub readN {
-    my ($bytes, $from) = @_;
-    my $res = "";
-    while ($bytes > 0) {
-        my $s;
-        my $n = sysread($from, $s, $bytes);
-        die "I/O error reading from remote side\n" if !defined $n;
-        die "got EOF while expecting $bytes bytes from remote side\n" if !$n;
-        $bytes -= $n;
-        $res .= $s;
-    }
-    return $res;
-}
-
-
-sub readInt {
-    my ($from) = @_;
-    return unpack("L<x4", readN(8, $from));
-}
-
-
-sub readString {
-    my ($from) = @_;
-    my $len = readInt($from);
-    my $s = readN($len, $from);
-    readN(8 - $len % 8, $from) if $len % 8; # skip padding
-    return $s;
-}
-
-
-sub readStrings {
-    my ($from) = @_;
-    my $n = readInt($from);
-    my @res;
-    push @res, readString($from) while $n--;
-    return @res;
-}
-
-
-sub writeInt {
-    my ($n, $to) = @_;
-    syswrite($to, pack("L<x4", $n)) or die;
-}
-
-
-sub writeString {
-    my ($s, $to) = @_;
-    my $len = length $s;
-    my $req .= pack("L<x4", $len);
-    $req .= $s;
-    $req .= "\000" x (8 - $len % 8) if $len % 8;
-    syswrite($to, $req) or die;
-}
-
-
-sub writeStrings {
-    my ($ss, $to) = @_;
-    writeInt(scalar(@{$ss}), $to);
-    writeString($_, $to) foreach @{$ss};
-}
-
-
-sub connectToRemoteNix {
-    my ($sshHost, $sshOpts, $extraFlags) = @_;
-
-    $extraFlags ||= "";
-
-    # Start ‘nix-store --serve’ on the remote host.
-    my ($from, $to);
-    # FIXME: don't start a shell, start ssh directly.
-    my $pid = open2($from, $to, "exec ssh -x -a $sshHost @globalSshOpts @{$sshOpts} nix-store --serve --write $extraFlags");
-
-    # Do the handshake.
-    my $magic;
-    eval {
-        my $SERVE_MAGIC_1 = 0x390c9deb; # FIXME
-        my $clientVersion = 0x200;
-        syswrite($to, pack("L<x4L<x4", $SERVE_MAGIC_1, $clientVersion)) or die;
-        $magic = readInt($from);
-    };
-    die "unable to connect to '$sshHost'\n" if $@;
-    die "did not get valid handshake from remote host\n" if $magic  != 0x5452eecb;
-
-    my $serverVersion = readInt($from);
-    die "unsupported server version\n" if $serverVersion < 0x200 || $serverVersion >= 0x300;
-
-    return ($from, $to, $pid);
-}
-
-
-1;