NUR/pkgs/mcaselector/gradle-env.nix

400 lines
12 KiB
Nix
Raw Normal View History

2021-12-09 14:27:28 +01:00
# This file is generated by gradle2nix.
#
# Example usage (e.g. in default.nix):
#
# with (import <nixpkgs> {});
# let
# buildGradle = callPackage ./gradle-env.nix {};
# in
# buildGradle {
# envSpec = ./gradle-env.json;
#
# src = ./.;
#
# gradleFlags = [ "installDist" ];
#
# installPhase = ''
# mkdir -p $out
# cp -r app/build/install/myproject $out
# '';
# }
{ lib
, stdenv
, buildEnv
, fetchs3
, fetchurl
, gradleGen
, writeText
, writeTextDir
}:
{
# Path to the environment spec generated by gradle2nix (e.g. gradle-env.json).
envSpec
, pname ? null
, version ? null
, enableParallelBuilding ? true
# Arguments to Gradle used to build the project in buildPhase.
, gradleFlags ? [ "build" ]
# Gradle package to use instead of the one generated by gradle2nix.
, gradlePackage ? null
# Enable debugging for the Gradle build; this will cause Gradle to run a debug server
# and wait for a JVM debugging client to attach.
, enableDebug ? false
# Additional code to run in the Gradle init script (init.gradle).
, extraInit ? ""
# Override the default JDK used to run Gradle itself.
, buildJdk ? null
# Override functions which fetch dependency artifacts.
# Keys in this set are URL schemes such as "https" or "s3".
# Values are functions which take a dependency in the form
# `{ urls, sha256 }` and fetch into the Nix store. For example:
#
# {
# s3 = { urls, sha256 }: fetchs3 {
# s3url = builtins.head urls;
# inherit sha256;
# region = "us-west-2";
# credentials = {
# access_key_id = "foo";
# secret_access_key = "bar";
# };
# };
# }
, fetchers ? { }
, ... } @ args:
let
inherit (builtins)
attrValues concatStringsSep filter fromJSON getAttr head match
replaceStrings sort;
inherit (lib)
assertMsg concatMapStringsSep groupBy' hasSuffix hasPrefix last mapAttrs
mapAttrsToList optionalString readFile removeSuffix unique versionAtLeast
versionOlder;
fetchers' = {
http = fetchurl;
https = fetchurl;
s3 = { urls, sha256 }: fetchs3 {
s3url = head urls;
inherit sha256;
};
} // fetchers;
# Fetch urls using the scheme for the first entry only; there isn't a
# straightforward way to tell Nix to try multiple fetchers in turn
# and short-circuit on the first successful fetch.
fetch = { urls, sha256 }:
let
first = head urls;
scheme = head (builtins.match "([a-z0-9+.-]+)://.*" first);
fetch' = getAttr scheme fetchers';
urls' = filter (hasPrefix scheme) urls;
in
fetch' { urls = urls'; inherit sha256; };
mkDep = { name, path, urls, sha256, ... }: stdenv.mkDerivation {
inherit name;
src = fetch {
inherit urls sha256;
};
phases = "installPhase";
installPhase = ''
mkdir -p $out/${path}
ln -s $src $out/${path}/${name}
'';
};
mkModuleMetadata = deps:
let
ids = filter
(id: id.type == "pom")
(map (dep: dep.id) deps);
modules = groupBy'
(meta: id:
let
isNewer = versionOlder meta.latest id.version;
isNewerRelease =
!(hasSuffix "-SNAPSHOT" id.version) &&
versionOlder meta.release id.version;
in {
groupId = id.group;
artifactId = id.name;
latest = if isNewer then id.version else meta.latest;
release = if isNewerRelease then id.version else meta.release;
versions = meta.versions ++ [id.version];
}
)
{
latest = "";
release = "";
versions = [];
}
(id: "${replaceStrings ["."] ["/"] id.group}/${id.name}/maven-metadata.xml")
ids;
in
attrValues (mapAttrs (path: meta:
let
versions' = sort versionOlder (unique meta.versions);
in
with meta; writeTextDir path ''
<?xml version="1.0" encoding="UTF-8"?>
<metadata modelVersion="1.1">
<groupId>${groupId}</groupId>
<artifactId>${artifactId}</artifactId>
<versioning>
${optionalString (latest != "") "<latest>${latest}</latest>"}
${optionalString (release != "") "<release>${release}</release>"}
<versions>
${concatMapStringsSep "\n " (v: "<version>${v}</version>") versions'}
</versions>
</versioning>
</metadata>
''
) modules);
mkSnapshotMetadata = deps:
let
snapshotDeps = filter (dep: dep ? build && dep ? timestamp) deps;
modules = groupBy'
(meta: dep:
let
id = dep.id;
isNewer = dep.build > meta.buildNumber;
# Timestamp values can be bogus, e.g. jitpack.io
updated = if (match "[0-9]{8}\.[0-9]{6}" dep.timestamp) != null
then replaceStrings ["."] [""] dep.timestamp
else "";
in {
groupId = id.group;
artifactId = id.name;
version = id.version;
timestamp = if isNewer then dep.timestamp else meta.timestamp;
buildNumber = if isNewer then dep.build else meta.buildNumber;
lastUpdated = if isNewer then updated else meta.lastUpdated;
versions = meta.versions or [] ++ [{
classifier = id.classifier or "";
extension = id.extension;
value = "${removeSuffix "-SNAPSHOT" id.version}-${dep.timestamp}-${toString dep.build}";
updated = updated;
}];
}
)
{
timestamp = "";
buildNumber = -1;
lastUpdated = "";
}
(dep: "${replaceStrings ["."] ["/"] dep.id.group}/${dep.id.name}/${dep.id.version}/maven-metadata.xml")
snapshotDeps;
mkSnapshotVersion = version: ''
<snapshotVersion>
${optionalString (version.classifier != "") "<classifier>${version.classifier}</classifier>"}
<extension>${version.extension}</extension>
<value>${version.value}</value>
${optionalString (version.updated != "") "<updated>${version.updated}</updated>"}
</snapshotVersion>
'';
in
attrValues (mapAttrs (path: meta:
with meta; writeTextDir path ''
<?xml version="1.0" encoding="UTF-8"?>
<metadata modelVersion="1.1">
<groupId>${groupId}</groupId>
<artifactId>${artifactId}</artifactId>
<version>${version}</version>
<versioning>
<snapshot>
${optionalString (timestamp != "") "<timestamp>${timestamp}</timestamp>"}
${optionalString (buildNumber != -1) "<buildNumber>${toString buildNumber}</buildNumber>"}
</snapshot>
${optionalString (lastUpdated != "") "<lastUpdated>${lastUpdated}</lastUpdated>"}
<snapshotVersions>
${concatMapStringsSep "\n " mkSnapshotVersion versions}
</snapshotVersions>
</versioning>
</metadata>
''
) modules);
mkRepo = project: type: deps: buildEnv {
name = "${project}-gradle-${type}-env";
paths = map mkDep deps ++ mkModuleMetadata deps ++ mkSnapshotMetadata deps;
};
mkInitScript = projectSpec: gradle:
let
repos = mapAttrs (mkRepo projectSpec.name) projectSpec.dependencies;
hasDependencies = mapAttrs (type: deps: deps != []) projectSpec.dependencies;
inSettings = pred: script:
optionalString pred (
if versionAtLeast gradle.version "6.0" then ''
gradle.beforeSettings {
${script}
}
'' else ''
gradle.settingsEvaluated {
${script}
}
''
);
in
assert (assertMsg (hasDependencies.settings -> versionAtLeast gradle.version "6.0") ''
Project `${projectSpec.name}' has settings script dependencies, such as settings
plugins, which are not supported by gradle2nix for Gradle versions prior to 6.0.
Potential remedies:
- Pass `--gradle-version=<version>' to the gradle2nix command.
- Patch the `settings.gradle[.kts]' file to remove script dependencies.
'');
writeText "init.gradle" ''
static def offlineRepo(RepositoryHandler repositories, String env, String path) {
repositories.clear()
repositories.maven {
name "Nix''${env.capitalize()}MavenOffline"
url path
metadataSources {
it.gradleMetadata()
it.mavenPom()
it.artifact()
}
}
repositories.ivy {
name "Nix''${env.capitalize()}IvyOffline"
url path
layout "maven"
metadataSources {
it.gradleMetadata()
it.ivyDescriptor()
it.artifact()
}
}
}
${inSettings (hasDependencies.settings && (versionAtLeast gradle.version "6.0")) ''
offlineRepo(it.buildscript.repositories, "settings", "${repos.settings}")
''}
${inSettings (hasDependencies.plugin) ''
offlineRepo(it.pluginManagement.repositories, "plugin", "${repos.plugin}")
''}
${optionalString (hasDependencies.buildscript) ''
gradle.projectsLoaded {
allprojects {
buildscript {
offlineRepo(repositories, "buildscript", "${repos.buildscript}")
}
}
}
''}
${optionalString (hasDependencies.project) (
if versionAtLeast gradle.version "6.8"
then ''
gradle.beforeSettings {
it.dependencyResolutionManagement {
offlineRepo(repositories, "project", "${repos.project}")
repositoriesMode.set(RepositoriesMode.PREFER_SETTINGS)
}
}
''
else ''
gradle.projectsLoaded {
allprojects {
offlineRepo(repositories, "project", "${repos.project}")
}
}
''
)}
${extraInit}
'';
mkGradle = gradleSpec:
gradleGen.gradleGen {
inherit (gradleSpec) nativeVersion;
name = "gradle-${gradleSpec.version}-${gradleSpec.type}";
src = fetchurl {
inherit (gradleSpec) url sha256;
};
} // {
inherit (gradleSpec) version;
};
mkProjectEnv = projectSpec: rec {
inherit (projectSpec) name path version;
gradle = args.gradlePackage or mkGradle projectSpec.gradle;
initScript = mkInitScript projectSpec gradle;
};
gradleEnv = mapAttrs
(_: p: mkProjectEnv p)
(fromJSON (readFile envSpec));
projectEnv = gradleEnv."";
pname = args.pname or projectEnv.name;
version = args.version or projectEnv.version;
buildProject = env: flags: ''
cp ${env.initScript} "$GRADLE_USER_HOME/init.d"
gradle --offline --no-daemon --no-build-cache \
--info --full-stacktrace --warning-mode=all \
${optionalString enableParallelBuilding "--parallel"} \
${optionalString enableDebug "-Dorg.gradle.debug=true"} \
${optionalString (buildJdk != null) "-Dorg.gradle.java.home=${buildJdk.home}"} \
--init-script ${env.initScript} \
${optionalString (env.path != "") ''-p "${env.path}"''} \
${concatStringsSep " " flags}
'';
buildIncludedProjects =
concatStringsSep "\n" (mapAttrsToList
(_: env: buildProject env [ "build" ])
(removeAttrs gradleEnv [ "" ]));
buildRootProject = buildProject projectEnv gradleFlags;
in stdenv.mkDerivation (args // {
inherit pname version;
nativeBuildInputs = (args.nativeBuildInputs or []) ++ [ projectEnv.gradle ];
buildPhase = args.buildPhase or ''
runHook preBuild
(
set -eux
# Work around https://github.com/gradle/gradle/issues/1055
TMPHOME="$(mktemp -d)"
mkdir -p "$TMPHOME/init.d"
export GRADLE_USER_HOME="$TMPHOME"
${buildIncludedProjects}
${buildRootProject}
)
runHook postBuild
'';
dontStrip = true;
})