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dockerTools: use pigz for final image tar

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Saves a few seconds on large images.
This commit is contained in:
Brian McKenna 2016-04-11 16:31:15 +10:00
parent ebb911cc0b
commit d150fe8915
1 changed files with 3 additions and 3 deletions
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6
pkgs/build-support/docker/default.nix
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@ -1,5 +1,5 @@
{ stdenv, lib, callPackage, runCommand, writeReferencesToFile, writeText, vmTools, writeScript { stdenv, lib, callPackage, runCommand, writeReferencesToFile, writeText, vmTools, writeScript
, docker, shadow, utillinux, coreutils, jshon, e2fsprogs, goPackages }: , docker, shadow, utillinux, coreutils, jshon, e2fsprogs, goPackages, pigz }:
# WARNING: this API is unstable and may be subject to backwards-incompatible changes in the future. # WARNING: this API is unstable and may be subject to backwards-incompatible changes in the future.
@ -249,7 +249,7 @@ EOF
then mkPureLayer { inherit baseJson contents extraCommands; } then mkPureLayer { inherit baseJson contents extraCommands; }
else mkRootLayer { inherit baseJson fromImage fromImageName fromImageTag contents runAsRoot diskSize extraCommands; }); else mkRootLayer { inherit baseJson fromImage fromImageName fromImageTag contents runAsRoot diskSize extraCommands; });
result = runCommand "${baseName}.tar.gz" { result = runCommand "${baseName}.tar.gz" {
buildInputs = [ jshon ]; buildInputs = [ jshon pigz ];
imageName = name; imageName = name;
imageTag = tag; imageTag = tag;
@ -317,7 +317,7 @@ EOF
chmod -R a-w image chmod -R a-w image
echo Cooking the image echo Cooking the image
tar -C image -czf $out . tar -C image -c . | pigz > $out
''; '';
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