Commit 38c1400f authored by Robert Scott's avatar Robert Scott
Browse files

dockerTools: use makeOverridable for buildImage family of functions 

this allows nix users to modify existing images without having
to rely on container image inheritance mechanisms via fromImage
parent 63b12f0e

pkgs/build-support/docker/default.nix

+9 −6
Original line number Diff line number Diff line
@@ -487,7 +487,7 @@ rec { 
      '';

    };



  buildLayeredImage = { name, ... }@args:

  buildLayeredImage = lib.makeOverridable ({ name, ... }@args:

    let

      stream = streamLayeredImage args;

    in
@@ -496,7 +496,8 @@ rec { 
        inherit (stream) imageName;

        passthru = { inherit (stream) imageTag; };

        nativeBuildInputs = [ pigz ];

      } "${stream} | pigz -nTR > $out";

      } "${stream} | pigz -nTR > $out"

  );



  # 1. extract the base image

  # 2. create the layer
@@ -504,7 +505,7 @@ rec { 
  # 4. compute the layer id

  # 5. put the layer in the image

  # 6. repack the image

  buildImage =

  buildImage = lib.makeOverridable (

    args@{

      # Image name.

      name
@@ -751,7 +752,8 @@ rec { 
      '';



    in

    checked result;

    checked result

  );



  # Merge the tarballs of images built with buildImage into a single

  # tarball that contains all images. Running `docker load` on the resulting
@@ -837,7 +839,7 @@ rec { 
    })

  );



  streamLayeredImage =

  streamLayeredImage = lib.makeOverridable (

    {

      # Image Name

      name
@@ -1046,7 +1048,8 @@ rec { 
          makeWrapper ${streamScript} $out --add-flags ${conf}

        '';

      in

      result;

      result

  );



  # This function streams a docker image that behaves like a nix-shell for a derivation

  streamNixShellImage =