1 files changed, 0 insertions, 61 deletions
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 902ee1a1bc..0000000000
--- 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;