81 lines
2.5 KiB
Nix
81 lines
2.5 KiB
Nix
{ stdenv, maven, runCommand, writeText, fetchurl, lib, requireFile }:
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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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infoFile: let
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info = lib.importJSON infoFile;
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script = writeText "build-maven-repository.sh" ''
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${lib.concatStrings (map (dep: let
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inherit (dep) sha1 groupId artifactId version metadata repository-id;
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versionDir = dep.unresolved-version or version;
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authenticated = dep.authenticated or false;
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url = dep.url or "";
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fetch = if (url != "") then ((if authenticated then requireFile else fetchurl) {
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inherit url sha1;
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}) else "";
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fetchMetadata = (if authenticated then requireFile else fetchurl) {
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inherit (metadata) url sha1;
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};
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in ''
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dir=$out/$(echo ${groupId} | sed 's|\.|/|g')/${artifactId}/${versionDir}
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mkdir -p $dir
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${lib.optionalString (fetch != "") ''
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ln -sv ${fetch} $dir/${fetch.name}
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''}
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${lib.optionalString (dep ? metadata) ''
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ln -svf ${fetchMetadata} $dir/maven-metadata-${repository-id}.xml
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${lib.optionalString (fetch != "") ''
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ln -sv ${fetch} $dir/$(echo ${fetch.name} | sed 's|${version}|${dep.unresolved-version}|')
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''}
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''}
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'') info.dependencies)}
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'';
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repo = runCommand "maven-repository" {} ''
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bash ${script}
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'';
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settings = writeText "settings.xml" ''
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<settings xmlns="http://maven.apache.org/SETTINGS/1.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0
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http://maven.apache.org/xsd/settings-1.0.0.xsd">
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<localRepository>${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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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 (path: type:
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(toString path) != (toString (src + "/target")) &&
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(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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