diff options
| author | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2012-11-23 16:20:16 +0100 |
|---|---|---|
| committer | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2012-11-23 16:20:16 +0100 |
| commit | a3d6585c5a1006d4f9ebd2163d06f86ab71a4a3e (patch) | |
| tree | 9e6cb9a904d0c93f825af28c43c319666121da2d /perl/lib/Nix | |
| parent | 9de6bc5d05027363f968c20e53e8c3d5aa34f8b4 (diff) | |
nix-copy-closure: Add flag ‘--use-substitutes’
Diffstat (limited to 'perl/lib/Nix')
| -rw-r--r-- | perl/lib/Nix/CopyClosure.pm | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/perl/lib/Nix/CopyClosure.pm b/perl/lib/Nix/CopyClosure.pm index 79c6dfccc..931057e9f 100644 --- a/perl/lib/Nix/CopyClosure.pm +++ b/perl/lib/Nix/CopyClosure.pm @@ -6,7 +6,8 @@ use Nix::Store; sub copyTo { - my ($sshHost, $sshOpts, $storePaths, $compressor, $decompressor, $includeOutputs, $dryRun, $sign, $progressViewer) = @_; + my ($sshHost, $sshOpts, $storePaths, $compressor, $decompressor, + $includeOutputs, $dryRun, $sign, $progressViewer, $useSubstitutes) = @_; $compressor = "$compressor |" if $compressor ne ""; $decompressor = "$decompressor |" if $decompressor ne ""; @@ -16,6 +17,12 @@ sub copyTo { my @closure = reverse(topoSortPaths(computeFSClosure(0, $includeOutputs, map { followLinksToStorePath $_ } @{$storePaths}))); + # Optionally use substitutes on the remote host. + if (!$dryRun && $useSubstitutes) { + system "ssh $sshHost @{$sshOpts} nix-store -r --ignore-unknown @closure"; + # Ignore exit status because this is just an optimisation. + } + # Ask the remote host which paths are invalid. Because of limits # to the command line length, do this in chunks. Eventually, # we'll want to use ‘--from-stdin’, but we can't rely on the |