Merge master into staging-next

pkgs/build-support/docker/default.nix

@@ -528,11 +528,9 @@ rec {
     created ? "1970-01-01T00:00:01Z",
     # Optional bash script to run on the files prior to fixturizing the layer.
     extraCommands ? "", uid ? 0, gid ? 0,
-    # Docker's lowest maximum layer limit is 42-layers for an old
-    # version of the AUFS graph driver. We pick 24 to ensure there is
-    # plenty of room for extension. I believe the actual maximum is
-    # 128.
-    maxLayers ? 24
+    # We pick 100 to ensure there is plenty of room for extension. I
+    # believe the actual maximum is 128.
+    maxLayers ? 100
   }:
     let
       baseName = baseNameOf name;

pkgs/build-support/docker/examples.nix

@@ -236,7 +236,6 @@ rec {
     name = "another-layered-image";
     tag = "latest";
     config.Cmd = [ "${pkgs.hello}/bin/hello" ];
-    contents = [ pkgs.hello ];
   };
 
 }

pkgs/build-support/skaware/build-skaware-package.nix

@@ -18,12 +18,15 @@ in {
 , configureFlags
   # mostly for moving and deleting files from the build directory
   # : lines
-, postInstall
+, postInstall ? ""
+  # : lines
+, postFixup ? ""
   # : list Maintainer
 , maintainers ? []
-
-
-}:
+  # : attrs
+, meta ? {}
+, ...
+} @ args:
 
 let
 
@@ -50,16 +53,12 @@ let
     "README.*"
   ];
 
-in stdenv.mkDerivation {
-  name = "${pname}-${version}";
-
+in stdenv.mkDerivation ({
   src = fetchurl {
     url = "https://skarnet.org/software/${pname}/${pname}-${version}.tar.gz";
     inherit sha256;
   };
 
-  inherit outputs;
-
   dontDisableStatic = true;
   enableParallelBuilding = true;
 
@@ -84,13 +83,11 @@ in stdenv.mkDerivation {
        noiseFiles = commonNoiseFiles;
        docFiles = commonMetaFiles;
      }} $doc/share/doc/${pname}
-
-    ${postInstall}
-  '';
+  '' + postInstall;
 
   postFixup = ''
     ${cleanPackaging.checkForRemainingFiles}
-  '';
+  '' + postFixup;
 
   meta = {
     homepage = "https://skarnet.org/software/${pname}/";
@@ -98,6 +95,9 @@ in stdenv.mkDerivation {
     license = stdenv.lib.licenses.isc;
     maintainers = with lib.maintainers;
       [ pmahoney Profpatsch ] ++ maintainers;
-  };
+  } // meta;
 
-}
+} // builtins.removeAttrs args [
+  "sha256" "configureFlags" "postInstall" "postFixup"
+  "meta" "description" "platforms"  "maintainers"
+])