112 lines
2.8 KiB
Nix
112 lines
2.8 KiB
Nix
{
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stdenv,
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maven,
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runCommand,
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writeText,
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fetchurl,
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lib,
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requireFile,
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linkFarm,
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}:
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# Takes an info file generated by mvn2nix
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# (https://github.com/NixOS/mvn2nix-maven-plugin) and builds the maven
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# project with it.
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#
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# repo: A local maven repository with the project's dependencies.
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#
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# settings: A settings.xml to pass to maven to use the repo.
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#
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# build: A simple build derivation that uses mvn compile and package to build
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# the project.
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#
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# @example
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# project = pkgs.buildMaven ./project-info.json
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infoFile:
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let
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info = lib.importJSON infoFile;
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dependencies = lib.flatten (
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map (
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dep:
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let
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inherit (dep)
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sha1
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groupId
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artifactId
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version
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metadata
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repository-id
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;
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versionDir = dep.unresolved-version or version;
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authenticated = dep.authenticated or false;
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url = dep.url or "";
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fetch =
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if (url != "") then
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((if authenticated then requireFile else fetchurl) { inherit url sha1; })
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else
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"";
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fetchMetadata = (if authenticated then requireFile else fetchurl) { inherit (metadata) url sha1; };
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layout = "${builtins.replaceStrings [ "." ] [ "/" ] groupId}/${artifactId}/${versionDir}";
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in
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lib.optional (url != "") {
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layout = "${layout}/${fetch.name}";
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drv = fetch;
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}
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++ lib.optionals (dep ? metadata) (
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[
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{
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layout = "${layout}/maven-metadata-${repository-id}.xml";
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drv = fetchMetadata;
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}
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]
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++ lib.optional (fetch != "") {
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layout = "${layout}/${builtins.replaceStrings [ version ] [ dep.unresolved-version ] fetch.name}";
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drv = fetch;
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}
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)
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) info.dependencies
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);
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repo = linkFarm "maven-repository" (
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lib.forEach dependencies (dependency: {
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name = dependency.layout;
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path = dependency.drv;
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})
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);
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settings = writeText "settings.xml" ''
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<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0
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http://maven.apache.org/xsd/settings-1.0.0.xsd">
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<localRepository>${repo}</localRepository>
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</settings>
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'';
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src = dirOf infoFile;
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in
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{
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inherit repo settings info;
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build = stdenv.mkDerivation {
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name = "${info.project.artifactId}-${info.project.version}.jar";
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src = builtins.filterSource (
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path: type:
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(toString path) != (toString (src + "/target")) && (toString path) != (toString (src + "/.git"))
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) src;
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buildInputs = [ maven ];
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buildPhase = "mvn --offline --settings ${settings} compile";
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installPhase = ''
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mvn --offline --settings ${settings} package
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mv target/*.jar $out
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'';
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};
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}
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