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.

12 files changed, 0 insertions, 1194 deletions

diff --git a/third_party/nix/perl/MANIFEST b/third_party/nix/perl/MANIFEST
deleted file mode 100644
index 08897647c978..000000000000
--- a/third_party/nix/perl/MANIFEST
+++ /dev/null
@@ -1,7 +0,0 @@
-Changes
-Makefile.PL
-MANIFEST
-Nix.xs
-README
-t/Nix.t
-lib/Nix.pm
diff --git a/third_party/nix/perl/Makefile b/third_party/nix/perl/Makefile
deleted file mode 100644
index f36f5d0e9d88..000000000000
--- a/third_party/nix/perl/Makefile
+++ /dev/null
@@ -1,7 +0,0 @@
-makefiles = local.mk
-
-GLOBAL_CXXFLAGS += -g -Wall
-
--include Makefile.config
-
-include mk/lib.mk
diff --git a/third_party/nix/perl/Makefile.config.in b/third_party/nix/perl/Makefile.config.in
deleted file mode 100644
index c87d4817e172..000000000000
--- a/third_party/nix/perl/Makefile.config.in
+++ /dev/null
@@ -1,18 +0,0 @@
-CC = @CC@
-CFLAGS = @CFLAGS@
-CXX = @CXX@
-CXXFLAGS = @CXXFLAGS@
-HAVE_SODIUM = @HAVE_SODIUM@
-PACKAGE_NAME = @PACKAGE_NAME@
-PACKAGE_VERSION = @PACKAGE_VERSION@
-SODIUM_LIBS = @SODIUM_LIBS@
-NIX_CFLAGS = @NIX_CFLAGS@
-NIX_LIBS = @NIX_LIBS@
-nixbindir = @nixbindir@
-curl = @curl@
-nixlibexecdir = @nixlibexecdir@
-nixlocalstatedir = @nixlocalstatedir@
-perl = @perl@
-perllibdir = @perllibdir@
-nixstoredir = @nixstoredir@
-nixsysconfdir = @nixsysconfdir@
diff --git a/third_party/nix/perl/configure.ac b/third_party/nix/perl/configure.ac
deleted file mode 100644
index e8e3610a860d..000000000000
--- a/third_party/nix/perl/configure.ac
+++ /dev/null
@@ -1,101 +0,0 @@
-AC_INIT(nix-perl, m4_esyscmd([bash -c "echo -n $(cat ../.version)$VERSION_SUFFIX"]))
-AC_CONFIG_SRCDIR(MANIFEST)
-AC_CONFIG_AUX_DIR(../config)
-
-# Set default flags for nix (as per AC_PROG_CC/CXX docs),
-# while still allowing the user to override them from the command line.
-: ${CFLAGS="-O3"}
-: ${CXXFLAGS="-O3"}
-AC_PROG_CC
-AC_PROG_CXX
-AX_CXX_COMPILE_STDCXX_11
-
-# Use 64-bit file system calls so that we can support files > 2 GiB.
-AC_SYS_LARGEFILE
-
-AC_DEFUN([NEED_PROG],
-[
-AC_PATH_PROG($1, $2)
-if test -z "$$1"; then
-    AC_MSG_ERROR([$2 is required])
-fi
-])
-
-NEED_PROG(perl, perl)
-NEED_PROG(curl, curl)
-NEED_PROG(bzip2, bzip2)
-NEED_PROG(xz, xz)
-
-# Test that Perl has the open/fork feature (Perl 5.8.0 and beyond).
-AC_MSG_CHECKING([whether Perl is recent enough])
-if ! $perl -e 'open(FOO, "-|", "true"); while (<FOO>) { print; }; close FOO or die;'; then
-    AC_MSG_RESULT(no)
-    AC_MSG_ERROR([Your Perl version is too old.  Nix requires Perl 5.8.0 or newer.])
-fi
-AC_MSG_RESULT(yes)
-
-
-# Figure out where to install Perl modules.
-AC_MSG_CHECKING([for the Perl installation prefix])
-perlversion=$($perl -e 'use Config; print $Config{version};')
-perlarchname=$($perl -e 'use Config; print $Config{archname};')
-AC_SUBST(perllibdir, [${libdir}/perl5/site_perl/$perlversion/$perlarchname])
-AC_MSG_RESULT($perllibdir)
-
-# Look for libsodium, an optional dependency.
-PKG_CHECK_MODULES([SODIUM], [libsodium],
-  [AC_DEFINE([HAVE_SODIUM], [1], [Whether to use libsodium for cryptography.])
-   CXXFLAGS="$SODIUM_CFLAGS $CXXFLAGS"
-   have_sodium=1], [have_sodium=])
-AC_SUBST(HAVE_SODIUM, [$have_sodium])
-
-# Check for the required Perl dependencies (DBI and DBD::SQLite).
-perlFlags="-I$perllibdir"
-
-AC_ARG_WITH(dbi, AC_HELP_STRING([--with-dbi=PATH],
-  [prefix of the Perl DBI library]),
-  perlFlags="$perlFlags -I$withval")
-
-AC_ARG_WITH(dbd-sqlite, AC_HELP_STRING([--with-dbd-sqlite=PATH],
-  [prefix of the Perl DBD::SQLite library]),
-  perlFlags="$perlFlags -I$withval")
-
-AC_MSG_CHECKING([whether DBD::SQLite works])
-if ! $perl $perlFlags -e 'use DBI; use DBD::SQLite;' 2>&5; then
-    AC_MSG_RESULT(no)
-    AC_MSG_FAILURE([The Perl modules DBI and/or DBD::SQLite are missing.])
-fi
-AC_MSG_RESULT(yes)
-
-AC_SUBST(perlFlags)
-
-PKG_CHECK_MODULES([NIX], [nix-store])
-
-NEED_PROG([NIX_INSTANTIATE_PROGRAM], [nix-instantiate])
-
-# Get nix configure values
-nixbindir=$("$NIX_INSTANTIATE_PROGRAM" --eval '<nix/config.nix>' -A nixBinDir | tr -d \")
-nixlibexecdir=$("$NIX_INSTANTIATE_PROGRAM" --eval '<nix/config.nix>' -A nixLibexecDir | tr -d \")
-nixlocalstatedir=$("$NIX_INSTANTIATE_PROGRAM" --eval '<nix/config.nix>' -A nixLocalstateDir | tr -d \")
-nixsysconfdir=$("$NIX_INSTANTIATE_PROGRAM" --eval '<nix/config.nix>' -A nixSysconfDir | tr -d \")
-nixstoredir=$("$NIX_INSTANTIATE_PROGRAM" --eval '<nix/config.nix>' -A nixStoreDir | tr -d \")
-AC_SUBST(nixbindir)
-AC_SUBST(nixlibexecdir)
-AC_SUBST(nixlocalstatedir)
-AC_SUBST(nixsysconfdir)
-AC_SUBST(nixstoredir)
-
-# Expand all variables in config.status.
-test "$prefix" = NONE && prefix=$ac_default_prefix
-test "$exec_prefix" = NONE && exec_prefix='${prefix}'
-for name in $ac_subst_vars; do
-    declare $name="$(eval echo "${!name}")"
-    declare $name="$(eval echo "${!name}")"
-    declare $name="$(eval echo "${!name}")"
-done
-
-rm -f Makefile.config
-ln -sfn ../mk mk
-
-AC_CONFIG_FILES([])
-AC_OUTPUT
diff --git a/third_party/nix/perl/lib/Nix/Config.pm.in b/third_party/nix/perl/lib/Nix/Config.pm.in
deleted file mode 100644
index 67a20c3f41d7..000000000000
--- a/third_party/nix/perl/lib/Nix/Config.pm.in
+++ /dev/null
@@ -1,34 +0,0 @@
-package Nix::Config;
-
-use MIME::Base64;
-
-$version = "@PACKAGE_VERSION@";
-
-$binDir = $ENV{"NIX_BIN_DIR"} || "@nixbindir@";
-$libexecDir = $ENV{"NIX_LIBEXEC_DIR"} || "@nixlibexecdir@";
-$stateDir = $ENV{"NIX_STATE_DIR"} || "@nixlocalstatedir@/nix";
-$logDir = $ENV{"NIX_LOG_DIR"} || "@nixlocalstatedir@/log/nix";
-$confDir = $ENV{"NIX_CONF_DIR"} || "@nixsysconfdir@/nix";
-$storeDir = $ENV{"NIX_STORE_DIR"} || "@nixstoredir@";
-
-$bzip2 = "@bzip2@";
-$xz = "@xz@";
-$curl = "@curl@";
-
-$useBindings = 1;
-
-%config = ();
-
-sub readConfig {
-    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;
-}
-
-return 1;
diff --git a/third_party/nix/perl/lib/Nix/CopyClosure.pm b/third_party/nix/perl/lib/Nix/CopyClosure.pm
deleted file mode 100644
index 902ee1a1bc9f..000000000000
--- a/third_party/nix/perl/lib/Nix/CopyClosure.pm
+++ /dev/null
@@ -1,61 +0,0 @@
-package Nix::CopyClosure;
-
-use utf8;
-use strict;
-use Nix::Config;
-use Nix::Store;
-use Nix::SSH;
-use List::Util qw(sum);
-use IPC::Open2;
-
-
-sub copyToOpen {
-    my ($from, $to, $sshHost, $storePaths, $includeOutputs, $dryRun, $useSubstitutes) = @_;
-
-    $useSubstitutes = 0 if $dryRun || !defined $useSubstitutes;
-
-    # Get the closure of this path.
-    my @closure = reverse(topoSortPaths(computeFSClosure(0, $includeOutputs,
-        map { followLinksToStorePath $_ } @{$storePaths})));
-
-    # Send the "query valid paths" command with the "lock" option
-    # enabled. This prevents a race where the remote host
-    # garbage-collect paths that are already there. Optionally, ask
-    # the remote host to substitute missing paths.
-    syswrite($to, pack("L<x4L<x4L<x4", 1, 1, $useSubstitutes)) or die;
-    writeStrings(\@closure, $to);
-
-    # Get back the set of paths that are already valid on the remote host.
-    my %present;
-    $present{$_} = 1 foreach readStrings($from);
-
-    my @missing = grep { !$present{$_} } @closure;
-    return if !@missing;
-
-    my $missingSize = 0;
-    $missingSize += (queryPathInfo($_, 1))[3] foreach @missing;
-
-    printf STDERR "copying %d missing paths (%.2f MiB) to '$sshHost'...\n",
-        scalar(@missing), $missingSize / (1024**2);
-    return if $dryRun;
-
-    # Send the "import paths" command.
-    syswrite($to, pack("L<x4", 4)) or die;
-    exportPaths(fileno($to), @missing);
-    readInt($from) == 1 or die "remote machine '$sshHost' failed to import closure\n";
-}
-
-
-sub copyTo {
-    my ($sshHost, $storePaths, $includeOutputs, $dryRun, $useSubstitutes) = @_;
-
-    # Connect to the remote host.
-    my ($from, $to) = connectToRemoteNix($sshHost, []);
-
-    copyToOpen($from, $to, $sshHost, $storePaths, $includeOutputs, $dryRun, $useSubstitutes);
-
-    close $to;
-}
-
-
-1;
diff --git a/third_party/nix/perl/lib/Nix/Manifest.pm b/third_party/nix/perl/lib/Nix/Manifest.pm
deleted file mode 100644
index 6438398e1766..000000000000
--- a/third_party/nix/perl/lib/Nix/Manifest.pm
+++ /dev/null
@@ -1,325 +0,0 @@
-package Nix::Manifest;
-
-use utf8;
-use strict;
-use DBI;
-use DBD::SQLite;
-use Cwd;
-use File::stat;
-use File::Path;
-use Fcntl ':flock';
-use MIME::Base64;
-use Nix::Config;
-use Nix::Store;
-
-our @ISA = qw(Exporter);
-our @EXPORT = qw(readManifest writeManifest addPatch parseNARInfo fingerprintPath);
-
-
-sub addNAR {
-    my ($narFiles, $storePath, $info) = @_;
-
-    $$narFiles{$storePath} = []
-        unless defined $$narFiles{$storePath};
-
-    my $narFileList = $$narFiles{$storePath};
-
-    my $found = 0;
-    foreach my $narFile (@{$narFileList}) {
-        $found = 1 if $narFile->{url} eq $info->{url};
-    }
-
-    push @{$narFileList}, $info if !$found;
-}
-
-
-sub addPatch {
-    my ($patches, $storePath, $patch) = @_;
-
-    $$patches{$storePath} = []
-        unless defined $$patches{$storePath};
-
-    my $patchList = $$patches{$storePath};
-
-    my $found = 0;
-    foreach my $patch2 (@{$patchList}) {
-        $found = 1 if
-            $patch2->{url} eq $patch->{url} &&
-            $patch2->{basePath} eq $patch->{basePath};
-    }
-
-    push @{$patchList}, $patch if !$found;
-
-    return !$found;
-}
-
-
-sub readManifest_ {
-    my ($manifest, $addNAR, $addPatch) = @_;
-
-    # Decompress the manifest if necessary.
-    if ($manifest =~ /\.bz2$/) {
-        open MANIFEST, "$Nix::Config::bzip2 -d < $manifest |"
-            or die "cannot decompress '$manifest': $!";
-    } else {
-        open MANIFEST, "<$manifest"
-            or die "cannot open '$manifest': $!";
-    }
-
-    my $inside = 0;
-    my $type;
-
-    my $manifestVersion = 2;
-
-    my ($storePath, $url, $hash, $size, $basePath, $baseHash, $patchType);
-    my ($narHash, $narSize, $references, $deriver, $copyFrom, $system, $compressionType);
-
-    while (<MANIFEST>) {
-        chomp;
-        s/\#.*$//g;
-        next if (/^$/);
-
-        if (!$inside) {
-
-            if (/^\s*(\w*)\s*\{$/) {
-                $type = $1;
-                $type = "narfile" if $type eq "";
-                $inside = 1;
-                undef $storePath;
-                undef $url;
-                undef $hash;
-                undef $size;
-                undef $narHash;
-                undef $narSize;
-                undef $basePath;
-                undef $baseHash;
-                undef $patchType;
-                undef $system;
-                $references = "";
-                $deriver = "";
-                $compressionType = "bzip2";
-            }
-
-        } else {
-
-            if (/^\}$/) {
-                $inside = 0;
-
-                if ($type eq "narfile") {
-                    &$addNAR($storePath,
-                        { url => $url, hash => $hash, size => $size
-                        , narHash => $narHash, narSize => $narSize
-                        , references => $references
-                        , deriver => $deriver
-                        , system => $system
-                        , compressionType => $compressionType
-                        });
-                }
-
-                elsif ($type eq "patch") {
-                    &$addPatch($storePath,
-                        { url => $url, hash => $hash, size => $size
-                        , basePath => $basePath, baseHash => $baseHash
-                        , narHash => $narHash, narSize => $narSize
-                        , patchType => $patchType
-                        });
-                }
-
-            }
-
-            elsif (/^\s*StorePath:\s*(\/\S+)\s*$/) { $storePath = $1; }
-            elsif (/^\s*CopyFrom:\s*(\/\S+)\s*$/) { $copyFrom = $1; }
-            elsif (/^\s*Hash:\s*(\S+)\s*$/) { $hash = $1; }
-            elsif (/^\s*URL:\s*(\S+)\s*$/) { $url = $1; }
-            elsif (/^\s*Compression:\s*(\S+)\s*$/) { $compressionType = $1; }
-            elsif (/^\s*Size:\s*(\d+)\s*$/) { $size = $1; }
-            elsif (/^\s*BasePath:\s*(\/\S+)\s*$/) { $basePath = $1; }
-            elsif (/^\s*BaseHash:\s*(\S+)\s*$/) { $baseHash = $1; }
-            elsif (/^\s*Type:\s*(\S+)\s*$/) { $patchType = $1; }
-            elsif (/^\s*NarHash:\s*(\S+)\s*$/) { $narHash = $1; }
-            elsif (/^\s*NarSize:\s*(\d+)\s*$/) { $narSize = $1; }
-            elsif (/^\s*References:\s*(.*)\s*$/) { $references = $1; }
-            elsif (/^\s*Deriver:\s*(\S+)\s*$/) { $deriver = $1; }
-            elsif (/^\s*ManifestVersion:\s*(\d+)\s*$/) { $manifestVersion = $1; }
-            elsif (/^\s*System:\s*(\S+)\s*$/) { $system = $1; }
-
-            # Compatibility;
-            elsif (/^\s*NarURL:\s*(\S+)\s*$/) { $url = $1; }
-            elsif (/^\s*MD5:\s*(\S+)\s*$/) { $hash = "md5:$1"; }
-
-        }
-    }
-
-    close MANIFEST;
-
-    return $manifestVersion;
-}
-
-
-sub readManifest {
-    my ($manifest, $narFiles, $patches) = @_;
-    readManifest_($manifest,
-        sub { addNAR($narFiles, @_); },
-        sub { addPatch($patches, @_); } );
-}
-
-
-sub writeManifest {
-    my ($manifest, $narFiles, $patches, $noCompress) = @_;
-
-    open MANIFEST, ">$manifest.tmp"; # !!! check exclusive
-
-    print MANIFEST "version {\n";
-    print MANIFEST "  ManifestVersion: 3\n";
-    print MANIFEST "}\n";
-
-    foreach my $storePath (sort (keys %{$narFiles})) {
-        my $narFileList = $$narFiles{$storePath};
-        foreach my $narFile (@{$narFileList}) {
-            print MANIFEST "{\n";
-            print MANIFEST "  StorePath: $storePath\n";
-            print MANIFEST "  NarURL: $narFile->{url}\n";
-            print MANIFEST "  Compression: $narFile->{compressionType}\n";
-            print MANIFEST "  Hash: $narFile->{hash}\n" if defined $narFile->{hash};
-            print MANIFEST "  Size: $narFile->{size}\n" if defined $narFile->{size};
-            print MANIFEST "  NarHash: $narFile->{narHash}\n";
-            print MANIFEST "  NarSize: $narFile->{narSize}\n" if $narFile->{narSize};
-            print MANIFEST "  References: $narFile->{references}\n"
-                if defined $narFile->{references} && $narFile->{references} ne "";
-            print MANIFEST "  Deriver: $narFile->{deriver}\n"
-                if defined $narFile->{deriver} && $narFile->{deriver} ne "";
-            print MANIFEST "  System: $narFile->{system}\n" if defined $narFile->{system};
-            print MANIFEST "}\n";
-        }
-    }
-
-    foreach my $storePath (sort (keys %{$patches})) {
-        my $patchList = $$patches{$storePath};
-        foreach my $patch (@{$patchList}) {
-            print MANIFEST "patch {\n";
-            print MANIFEST "  StorePath: $storePath\n";
-            print MANIFEST "  NarURL: $patch->{url}\n";
-            print MANIFEST "  Hash: $patch->{hash}\n";
-            print MANIFEST "  Size: $patch->{size}\n";
-            print MANIFEST "  NarHash: $patch->{narHash}\n";
-            print MANIFEST "  NarSize: $patch->{narSize}\n" if $patch->{narSize};
-            print MANIFEST "  BasePath: $patch->{basePath}\n";
-            print MANIFEST "  BaseHash: $patch->{baseHash}\n";
-            print MANIFEST "  Type: $patch->{patchType}\n";
-            print MANIFEST "}\n";
-        }
-    }
-
-
-    close MANIFEST;
-
-    rename("$manifest.tmp", $manifest)
-        or die "cannot rename $manifest.tmp: $!";
-
-
-    # Create a bzipped manifest.
-    unless (defined $noCompress) {
-        system("$Nix::Config::bzip2 < $manifest > $manifest.bz2.tmp") == 0
-            or die "cannot compress manifest";
-
-        rename("$manifest.bz2.tmp", "$manifest.bz2")
-            or die "cannot rename $manifest.bz2.tmp: $!";
-    }
-}
-
-
-# Return a fingerprint of a store path to be used in binary cache
-# signatures. It contains the store path, the base-32 SHA-256 hash of
-# the contents of the path, and the references.
-sub fingerprintPath {
-    my ($storePath, $narHash, $narSize, $references) = @_;
-    die if substr($storePath, 0, length($Nix::Config::storeDir)) ne $Nix::Config::storeDir;
-    die if substr($narHash, 0, 7) ne "sha256:";
-    # Convert hash from base-16 to base-32, if necessary.
-    $narHash = "sha256:" . convertHash("sha256", substr($narHash, 7), 1)
-        if length($narHash) == 71;
-    die if length($narHash) != 59;
-    foreach my $ref (@{$references}) {
-        die if substr($ref, 0, length($Nix::Config::storeDir)) ne $Nix::Config::storeDir;
-    }
-    return "1;" . $storePath . ";" . $narHash . ";" . $narSize . ";" . join(",", @{$references});
-}
-
-
-# Parse a NAR info file.
-sub parseNARInfo {
-    my ($storePath, $content, $requireValidSig, $location) = @_;
-
-    my ($storePath2, $url, $fileHash, $fileSize, $narHash, $narSize, $deriver, $system, $sig);
-    my $compression = "bzip2";
-    my @refs;
-
-    foreach my $line (split "\n", $content) {
-        return undef unless $line =~ /^(.*): (.*)$/;
-        if ($1 eq "StorePath") { $storePath2 = $2; }
-        elsif ($1 eq "URL") { $url = $2; }
-        elsif ($1 eq "Compression") { $compression = $2; }
-        elsif ($1 eq "FileHash") { $fileHash = $2; }
-        elsif ($1 eq "FileSize") { $fileSize = int($2); }
-        elsif ($1 eq "NarHash") { $narHash = $2; }
-        elsif ($1 eq "NarSize") { $narSize = int($2); }
-        elsif ($1 eq "References") { @refs = split / /, $2; }
-        elsif ($1 eq "Deriver") { $deriver = $2; }
-        elsif ($1 eq "System") { $system = $2; }
-        elsif ($1 eq "Sig") { $sig = $2; }
-    }
-
-    return undef if $storePath ne $storePath2 || !defined $url || !defined $narHash;
-
-    my $res =
-        { url => $url
-        , compression => $compression
-        , fileHash => $fileHash
-        , fileSize => $fileSize
-        , narHash => $narHash
-        , narSize => $narSize
-        , refs => [ @refs ]
-        , deriver => $deriver
-        , system => $system
-        };
-
-    if ($requireValidSig) {
-        # FIXME: might be useful to support multiple signatures per .narinfo.
-
-        if (!defined $sig) {
-            warn "NAR info file '$location' lacks a signature; ignoring\n";
-            return undef;
-        }
-        my ($keyName, $sig64) = split ":", $sig;
-        return undef unless defined $keyName && defined $sig64;
-
-        my $publicKey = $Nix::Config::binaryCachePublicKeys{$keyName};
-        if (!defined $publicKey) {
-            warn "NAR info file '$location' is signed by unknown key '$keyName'; ignoring\n";
-            return undef;
-        }
-
-        my $fingerprint;
-        eval {
-            $fingerprint = fingerprintPath(
-                $storePath, $narHash, $narSize,
-                [ map { "$Nix::Config::storeDir/$_" } @refs ]);
-        };
-        if ($@) {
-            warn "cannot compute fingerprint of '$location'; ignoring\n";
-            return undef;
-        }
-
-        if (!checkSignature($publicKey, decode_base64($sig64), $fingerprint)) {
-            warn "NAR info file '$location' has an incorrect signature; ignoring\n";
-            return undef;
-        }
-
-        $res->{signedBy} = $keyName;
-    }
-
-    return $res;
-}
-
-
-return 1;
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;
diff --git a/third_party/nix/perl/lib/Nix/Store.pm b/third_party/nix/perl/lib/Nix/Store.pm
deleted file mode 100644
index d226264d4df3..000000000000
--- a/third_party/nix/perl/lib/Nix/Store.pm
+++ /dev/null
@@ -1,95 +0,0 @@
-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
-    addTempRoot
-);
-
-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__
diff --git a/third_party/nix/perl/lib/Nix/Store.xs b/third_party/nix/perl/lib/Nix/Store.xs
deleted file mode 100644
index ce553bb53ebc..000000000000
--- a/third_party/nix/perl/lib/Nix/Store.xs
+++ /dev/null
@@ -1,346 +0,0 @@
-#include "config.h"
-
-#include "EXTERN.h"
-#include "perl.h"
-#include "XSUB.h"
-
-/* Prevent a clash between some Perl and libstdc++ macros. */
-#undef do_open
-#undef do_close
-
-#include "derivations.hh"
-#include "globals.hh"
-#include "store-api.hh"
-#include "util.hh"
-#include "crypto.hh"
-
-#if HAVE_SODIUM
-#include <sodium.h>
-#endif
-
-
-using namespace nix;
-
-
-static ref<Store> store()
-{
-    static std::shared_ptr<Store> _store;
-    if (!_store) {
-        try {
-            loadConfFile();
-            settings.lockCPU = false;
-            _store = openStore();
-        } catch (Error & e) {
-            croak("%s", e.what());
-        }
-    }
-    return ref<Store>(_store);
-}
-
-
-MODULE = Nix::Store PACKAGE = Nix::Store
-PROTOTYPES: ENABLE
-
-
-#undef dNOOP // Hack to work around "error: declaration of 'Perl___notused' has a different language linkage" error message on clang.
-#define dNOOP
-
-
-void init()
-    CODE:
-        store();
-
-
-void setVerbosity(int level)
-    CODE:
-        verbosity = (Verbosity) level;
-
-
-int isValidPath(char * path)
-    CODE:
-        try {
-            RETVAL = store()->isValidPath(path);
-        } catch (Error & e) {
-            croak("%s", e.what());
-        }
-    OUTPUT:
-        RETVAL
-
-
-SV * queryReferences(char * path)
-    PPCODE:
-        try {
-            PathSet paths = store()->queryPathInfo(path)->references;
-            for (PathSet::iterator i = paths.begin(); i != paths.end(); ++i)
-                XPUSHs(sv_2mortal(newSVpv(i->c_str(), 0)));
-        } catch (Error & e) {
-            croak("%s", e.what());
-        }
-
-
-SV * queryPathHash(char * path)
-    PPCODE:
-        try {
-            auto s = store()->queryPathInfo(path)->narHash.to_string();
-            XPUSHs(sv_2mortal(newSVpv(s.c_str(), 0)));
-        } catch (Error & e) {
-            croak("%s", e.what());
-        }
-
-
-SV * queryDeriver(char * path)
-    PPCODE:
-        try {
-            auto deriver = store()->queryPathInfo(path)->deriver;
-            if (deriver == "") XSRETURN_UNDEF;
-            XPUSHs(sv_2mortal(newSVpv(deriver.c_str(), 0)));
-        } catch (Error & e) {
-            croak("%s", e.what());
-        }
-
-
-SV * queryPathInfo(char * path, int base32)
-    PPCODE:
-        try {
-            auto info = store()->queryPathInfo(path);
-            if (info->deriver == "")
-                XPUSHs(&PL_sv_undef);
-            else
-                XPUSHs(sv_2mortal(newSVpv(info->deriver.c_str(), 0)));
-            auto s = info->narHash.to_string(base32 ? Base32 : Base16);
-            XPUSHs(sv_2mortal(newSVpv(s.c_str(), 0)));
-            mXPUSHi(info->registrationTime);
-            mXPUSHi(info->narSize);
-            AV * arr = newAV();
-            for (PathSet::iterator i = info->references.begin(); i != info->references.end(); ++i)
-                av_push(arr, newSVpv(i->c_str(), 0));
-            XPUSHs(sv_2mortal(newRV((SV *) arr)));
-        } catch (Error & e) {
-            croak("%s", e.what());
-        }
-
-
-SV * queryPathFromHashPart(char * hashPart)
-    PPCODE:
-        try {
-            Path path = store()->queryPathFromHashPart(hashPart);
-            XPUSHs(sv_2mortal(newSVpv(path.c_str(), 0)));
-        } catch (Error & e) {
-            croak("%s", e.what());
-        }
-
-
-SV * computeFSClosure(int flipDirection, int includeOutputs, ...)
-    PPCODE:
-        try {
-            PathSet paths;
-            for (int n = 2; n < items; ++n)
-                store()->computeFSClosure(SvPV_nolen(ST(n)), paths, flipDirection, includeOutputs);
-            for (PathSet::iterator i = paths.begin(); i != paths.end(); ++i)
-                XPUSHs(sv_2mortal(newSVpv(i->c_str(), 0)));
-        } catch (Error & e) {
-            croak("%s", e.what());
-        }
-
-
-SV * topoSortPaths(...)
-    PPCODE:
-        try {
-            PathSet paths;
-            for (int n = 0; n < items; ++n) paths.insert(SvPV_nolen(ST(n)));
-            Paths sorted = store()->topoSortPaths(paths);
-            for (Paths::iterator i = sorted.begin(); i != sorted.end(); ++i)
-                XPUSHs(sv_2mortal(newSVpv(i->c_str(), 0)));
-        } catch (Error & e) {
-            croak("%s", e.what());
-        }
-
-
-SV * followLinksToStorePath(char * path)
-    CODE:
-        try {
-            RETVAL = newSVpv(store()->followLinksToStorePath(path).c_str(), 0);
-        } catch (Error & e) {
-            croak("%s", e.what());
-        }
-    OUTPUT:
-        RETVAL
-
-
-void exportPaths(int fd, ...)
-    PPCODE:
-        try {
-            Paths paths;
-            for (int n = 1; n < items; ++n) paths.push_back(SvPV_nolen(ST(n)));
-            FdSink sink(fd);
-            store()->exportPaths(paths, sink);
-        } catch (Error & e) {
-            croak("%s", e.what());
-        }
-
-
-void importPaths(int fd, int dontCheckSigs)
-    PPCODE:
-        try {
-            FdSource source(fd);
-            store()->importPaths(source, nullptr, dontCheckSigs ? NoCheckSigs : CheckSigs);
-        } catch (Error & e) {
-            croak("%s", e.what());
-        }
-
-
-SV * hashPath(char * algo, int base32, char * path)
-    PPCODE:
-        try {
-            Hash h = hashPath(parseHashType(algo), path).first;
-            auto s = h.to_string(base32 ? Base32 : Base16, false);
-            XPUSHs(sv_2mortal(newSVpv(s.c_str(), 0)));
-        } catch (Error & e) {
-            croak("%s", e.what());
-        }
-
-
-SV * hashFile(char * algo, int base32, char * path)
-    PPCODE:
-        try {
-            Hash h = hashFile(parseHashType(algo), path);
-            auto s = h.to_string(base32 ? Base32 : Base16, false);
-            XPUSHs(sv_2mortal(newSVpv(s.c_str(), 0)));
-        } catch (Error & e) {
-            croak("%s", e.what());
-        }
-
-
-SV * hashString(char * algo, int base32, char * s)
-    PPCODE:
-        try {
-            Hash h = hashString(parseHashType(algo), s);
-            auto s = h.to_string(base32 ? Base32 : Base16, false);
-            XPUSHs(sv_2mortal(newSVpv(s.c_str(), 0)));
-        } catch (Error & e) {
-            croak("%s", e.what());
-        }
-
-
-SV * convertHash(char * algo, char * s, int toBase32)
-    PPCODE:
-        try {
-            Hash h(s, parseHashType(algo));
-            string s = h.to_string(toBase32 ? Base32 : Base16, false);
-            XPUSHs(sv_2mortal(newSVpv(s.c_str(), 0)));
-        } catch (Error & e) {
-            croak("%s", e.what());
-        }
-
-
-SV * signString(char * secretKey_, char * msg)
-    PPCODE:
-        try {
-#if HAVE_SODIUM
-            auto sig = SecretKey(secretKey_).signDetached(msg);
-            XPUSHs(sv_2mortal(newSVpv(sig.c_str(), sig.size())));
-#else
-            throw Error("Nix was not compiled with libsodium, required for signed binary cache support");
-#endif
-        } catch (Error & e) {
-            croak("%s", e.what());
-        }
-
-
-int checkSignature(SV * publicKey_, SV * sig_, char * msg)
-    CODE:
-        try {
-#if HAVE_SODIUM
-            STRLEN publicKeyLen;
-            unsigned char * publicKey = (unsigned char *) SvPV(publicKey_, publicKeyLen);
-            if (publicKeyLen != crypto_sign_PUBLICKEYBYTES)
-                throw Error("public key is not valid");
-
-            STRLEN sigLen;
-            unsigned char * sig = (unsigned char *) SvPV(sig_, sigLen);
-            if (sigLen != crypto_sign_BYTES)
-                throw Error("signature is not valid");
-
-            RETVAL = crypto_sign_verify_detached(sig, (unsigned char *) msg, strlen(msg), publicKey) == 0;
-#else
-            throw Error("Nix was not compiled with libsodium, required for signed binary cache support");
-#endif
-        } catch (Error & e) {
-            croak("%s", e.what());
-        }
-    OUTPUT:
-        RETVAL
-
-
-SV * addToStore(char * srcPath, int recursive, char * algo)
-    PPCODE:
-        try {
-            Path path = store()->addToStore(baseNameOf(srcPath), srcPath, recursive, parseHashType(algo));
-            XPUSHs(sv_2mortal(newSVpv(path.c_str(), 0)));
-        } catch (Error & e) {
-            croak("%s", e.what());
-        }
-
-
-SV * makeFixedOutputPath(int recursive, char * algo, char * hash, char * name)
-    PPCODE:
-        try {
-            Hash h(hash, parseHashType(algo));
-            Path path = store()->makeFixedOutputPath(recursive, h, name);
-            XPUSHs(sv_2mortal(newSVpv(path.c_str(), 0)));
-        } catch (Error & e) {
-            croak("%s", e.what());
-        }
-
-
-SV * derivationFromPath(char * drvPath)
-    PREINIT:
-        HV *hash;
-    CODE:
-        try {
-            Derivation drv = store()->derivationFromPath(drvPath);
-            hash = newHV();
-
-            HV * outputs = newHV();
-            for (DerivationOutputs::iterator i = drv.outputs.begin(); i != drv.outputs.end(); ++i)
-                hv_store(outputs, i->first.c_str(), i->first.size(), newSVpv(i->second.path.c_str(), 0), 0);
-            hv_stores(hash, "outputs", newRV((SV *) outputs));
-
-            AV * inputDrvs = newAV();
-            for (DerivationInputs::iterator i = drv.inputDrvs.begin(); i != drv.inputDrvs.end(); ++i)
-                av_push(inputDrvs, newSVpv(i->first.c_str(), 0)); // !!! ignores i->second
-            hv_stores(hash, "inputDrvs", newRV((SV *) inputDrvs));
-
-            AV * inputSrcs = newAV();
-            for (PathSet::iterator i = drv.inputSrcs.begin(); i != drv.inputSrcs.end(); ++i)
-                av_push(inputSrcs, newSVpv(i->c_str(), 0));
-            hv_stores(hash, "inputSrcs", newRV((SV *) inputSrcs));
-
-            hv_stores(hash, "platform", newSVpv(drv.platform.c_str(), 0));
-            hv_stores(hash, "builder", newSVpv(drv.builder.c_str(), 0));
-
-            AV * args = newAV();
-            for (Strings::iterator i = drv.args.begin(); i != drv.args.end(); ++i)
-                av_push(args, newSVpv(i->c_str(), 0));
-            hv_stores(hash, "args", newRV((SV *) args));
-
-            HV * env = newHV();
-            for (StringPairs::iterator i = drv.env.begin(); i != drv.env.end(); ++i)
-                hv_store(env, i->first.c_str(), i->first.size(), newSVpv(i->second.c_str(), 0), 0);
-            hv_stores(hash, "env", newRV((SV *) env));
-
-            RETVAL = newRV_noinc((SV *)hash);
-        } catch (Error & e) {
-            croak("%s", e.what());
-        }
-    OUTPUT:
-        RETVAL
-
-
-void addTempRoot(char * storePath)
-    PPCODE:
-        try {
-            store()->addTempRoot(storePath);
-        } catch (Error & e) {
-            croak("%s", e.what());
-        }
diff --git a/third_party/nix/perl/lib/Nix/Utils.pm b/third_party/nix/perl/lib/Nix/Utils.pm
deleted file mode 100644
index 44955a70698c..000000000000
--- a/third_party/nix/perl/lib/Nix/Utils.pm
+++ /dev/null
@@ -1,47 +0,0 @@
-package Nix::Utils;
-
-use utf8;
-use File::Temp qw(tempdir);
-
-our @ISA = qw(Exporter);
-our @EXPORT = qw(checkURL uniq writeFile readFile mkTempDir);
-
-$urlRE = "(?: [a-zA-Z][a-zA-Z0-9\+\-\.]*\:[a-zA-Z0-9\%\/\?\:\@\&\=\+\$\,\-\_\.\!\~\*]+ )";
-
-sub checkURL {
-    my ($url) = @_;
-    die "invalid URL '$url'\n" unless $url =~ /^ $urlRE $ /x;
-}
-
-sub uniq {
-    my %seen;
-    my @res;
-    foreach my $name (@_) {
-        next if $seen{$name};
-        $seen{$name} = 1;
-        push @res, $name;
-    }
-    return @res;
-}
-
-sub writeFile {
-    my ($fn, $s) = @_;
-    open TMP, ">$fn" or die "cannot create file '$fn': $!";
-    print TMP "$s" or die;
-    close TMP or die;
-}
-
-sub readFile {
-    local $/ = undef;
-    my ($fn) = @_;
-    open TMP, "<$fn" or die "cannot open file '$fn': $!";
-    my $s = <TMP>;
-    close TMP or die;
-    return $s;
-}
-
-sub mkTempDir {
-    my ($name) = @_;
-    return tempdir("$name.XXXXXX", CLEANUP => 1, DIR => $ENV{"TMPDIR"} // $ENV{"XDG_RUNTIME_DIR"} // "/tmp")
-        || die "cannot create a temporary directory";
-}
diff --git a/third_party/nix/perl/local.mk b/third_party/nix/perl/local.mk
deleted file mode 100644
index b13d4c0d6396..000000000000
--- a/third_party/nix/perl/local.mk
+++ /dev/null
@@ -1,43 +0,0 @@
-nix_perl_sources := \
-  lib/Nix/Store.pm \
-  lib/Nix/Manifest.pm \
-  lib/Nix/SSH.pm \
-  lib/Nix/CopyClosure.pm \
-  lib/Nix/Config.pm.in \
-  lib/Nix/Utils.pm
-
-nix_perl_modules := $(nix_perl_sources:.in=)
-
-$(foreach x, $(nix_perl_modules), $(eval $(call install-data-in, $(x), $(perllibdir)/Nix)))
-
-lib/Nix/Store.cc: lib/Nix/Store.xs
-	$(trace-gen) xsubpp $^ -output $@
-
-libraries += Store
-
-Store_DIR := lib/Nix
-
-Store_SOURCES := $(Store_DIR)/Store.cc
-
-Store_CXXFLAGS = \
-  $(NIX_CFLAGS) \
-  -I$(shell perl -e 'use Config; print $$Config{archlibexp};')/CORE \
-  -D_FILE_OFFSET_BITS=64 \
-  -Wno-unknown-warning-option -Wno-unused-variable -Wno-literal-suffix \
-  -Wno-reserved-user-defined-literal -Wno-duplicate-decl-specifier -Wno-pointer-bool-conversion
-
-Store_LDFLAGS := $(SODIUM_LIBS) $(NIX_LIBS)
-
-ifeq (CYGWIN,$(findstring CYGWIN,$(OS)))
-  archlib = $(shell perl -E 'use Config; print $$Config{archlib};')
-  libperl = $(shell perl -E 'use Config; print $$Config{libperl};')
-  Store_LDFLAGS += $(shell find ${archlib} -name ${libperl})
-endif
-
-Store_ALLOW_UNDEFINED = 1
-
-Store_FORCE_INSTALL = 1
-
-Store_INSTALL_DIR = $(perllibdir)/auto/Nix/Store
-
-clean-files += lib/Nix/Config.pm lib/Nix/Store.cc Makefile.config