mirror of
https://github.com/dhall-lang/dhall-kubernetes.git
synced 2024-09-17 10:27:08 +03:00
2db84bb673
... and generate the files based on that
138 lines
4.1 KiB
Nix
138 lines
4.1 KiB
Nix
let
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spec = builtins.fromJSON (builtins.readFile ./nixpkgs.json);
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nixpkgs = builtins.fetchGit {
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inherit (spec) url rev;
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};
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overlay = pkgsNew: pkgsOld: {
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make-dhall-kubernetes =
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spec:
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pkgsNew.runCommand "dhall-${spec.name}" {} ''
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${pkgsNew.coreutils}/bin/mkdir -p $out
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cd $out
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${pkgsNew.haskellPackages.dhall-kubernetes-generator}/bin/dhall-kubernetes-generator '${spec}'
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'';
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make-dhall-kubernetes-package =
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spec:
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let
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drv = pkgsNew.make-dhall-kubernetes spec;
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kubernetesFiles = [
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"defaults.dhall"
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"types.dhall"
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"schemas.dhall"
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"typesUnion.dhall"
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"package.dhall"
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];
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examples = [
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"aws-iam-authenticator-chart"
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"deployment"
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"deploymentSimple"
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"ingress"
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"service"
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];
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exampleFiles =
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let
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exampleToLocal = example: "examples/${example}.dhall";
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in
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map exampleToLocal examples;
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copiedFiles =
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exampleFiles ++ [ "Prelude.dhall" "docs/README.md.dhall" ];
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frozenFiles = kubernetesFiles ++ exampleFiles;
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checkedFiles = frozenFiles;
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copyKubernetes =
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file:
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"${pkgsNew.coreutils}/bin/cp ${drv}/${file} $out/${file}";
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copyLocal =
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file:
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"${pkgsNew.coreutils}/bin/cp ${./.. + "/${file}"} $out/${file}";
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freezeFile =
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file:
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''echo 'Freezing ./${file}'
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${pkgsNew.dhall}/bin/dhall freeze --all --inplace $out/${file}
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echo 'Checking ./${file}'
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${pkgsNew.dhall}/bin/dhall type --quiet --file $out/${file}
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'';
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buildExample =
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example:
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let
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inputFile = "examples/${example}.dhall";
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outputFile = "examples/out/${example}.yaml";
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in
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''echo './${inputFile} → ./${outputFile}'
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${pkgsNew.dhall-json}/bin/dhall-to-yaml --file $out/${inputFile} > $out/${outputFile}
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'';
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in
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pkgsNew.runCommand "package-${drv.name}" { XDG_CACHE_HOME="."; } ''
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${pkgsNew.coreutils}/bin/mkdir --parents "$out/examples/out"
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${pkgsNew.coreutils}/bin/mkdir --parents "$out/docs"
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${pkgsNew.rsync}/bin/rsync --recursive ${drv}/ $out/
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${pkgsNew.coreutils}/bin/chmod u+w $out/
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${pkgsNew.lib.concatMapStringsSep "\n" copyLocal copiedFiles}
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${pkgsNew.coreutils}/bin/chmod u+w --recursive $out/
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${pkgsNew.lib.concatMapStringsSep "\n" freezeFile frozenFiles}
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${pkgsNew.lib.concatMapStringsSep "\n" buildExample examples}
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${let
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inputFile = "docs/README.md.dhall";
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outputFile = "README.md";
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in
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''echo './${inputFile} → ./${outputFile}'
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${pkgsNew.dhall}/bin/dhall text --file $out/${inputFile} > $out/${outputFile}
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''
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}
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'';
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dhall-kubernetes = pkgsNew.callPackage ./dhall-kubernetes.nix {};
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haskellPackages = pkgsOld.haskellPackages.override (old: {
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overrides =
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let
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previous = old.overrides or (_: _: {});
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packages = pkgsNew.haskell.lib.packageSourceOverrides {
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dhall-kubernetes-generator = ../dhall-kubernetes-generator;
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};
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packagesFromDirectory = pkgsNew.haskell.lib.packagesFromDirectory {
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directory = ./haskell;
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};
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manual = haskellPackagesNew: haskellPackagesOld: {
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dhall = haskellPackagesOld.dhall_1_33_0;
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dhall-json = haskellPackagesOld.dhall-json_1_7_0;
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};
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in
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pkgsNew.lib.fold pkgsNew.lib.composeExtensions (_: _: {})
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[ previous
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packages
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# packagesFromDirectory
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manual
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];
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}
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);
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};
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in
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import nixpkgs { config = {}; overlays = [ overlay ]; }
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