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Extract dependencies from Gradle Version Catalogs
This adds partial support for Gradle builds that use a [version catalog](https://docs.gradle.org/current/userguide/version_catalogs.html) (i.e. a `gradle/libs.versions.toml` file). Dependencies are extracted from the version catalog just by parsing the `libs.versions.toml` file. Since the version catalog only contains libraries and no resolvers, the default resolver is used for the `Scope` of these libraries. This is one reason why this Gradle support is only partial. The other is that additional dependencies and plugins that are defined in other Gradle build files are also ignored. Closes: #3534
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| /* | ||
| * Copyright 2018-2025 Scala Steward contributors | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package org.scalasteward.core.buildtool.gradle | ||
|
|
||
| import better.files.File | ||
| import cats.Monad | ||
| import cats.syntax.all.* | ||
| import org.scalasteward.core.buildtool.{BuildRoot, BuildToolAlg} | ||
| import org.scalasteward.core.data.Scope.Dependencies | ||
| import org.scalasteward.core.data.{Resolver, Scope} | ||
| import org.scalasteward.core.io.{FileAlg, WorkspaceAlg} | ||
| import org.typelevel.log4cats.Logger | ||
|
|
||
| final class GradleAlg[F[_]](defaultResolver: Resolver)(implicit | ||
| fileAlg: FileAlg[F], | ||
| override protected val logger: Logger[F], | ||
| workspaceAlg: WorkspaceAlg[F], | ||
| F: Monad[F] | ||
| ) extends BuildToolAlg[F] { | ||
| override def name: String = "Gradle" | ||
|
|
||
| override def containsBuild(buildRoot: BuildRoot): F[Boolean] = | ||
| libsVersionsToml(buildRoot).flatMap(fileAlg.isRegularFile) | ||
|
|
||
| override def getDependencies(buildRoot: BuildRoot): F[List[Dependencies]] = | ||
| libsVersionsToml(buildRoot) | ||
| .flatMap(fileAlg.readFile) | ||
| .map(_.getOrElse("")) | ||
| .map(gradleParser.parseDependenciesAndPlugins) | ||
| .map { case (dependencies, plugins) => | ||
| val ds = Option.when(dependencies.nonEmpty)(Scope(dependencies, List(defaultResolver))) | ||
| val ps = Option.when(plugins.nonEmpty)(Scope(plugins, List(pluginsResolver))) | ||
| ds.toList ++ ps.toList | ||
| } | ||
|
|
||
| private def libsVersionsToml(buildRoot: BuildRoot): F[File] = | ||
| workspaceAlg.buildRootDir(buildRoot).map(_ / "gradle" / libsVersionsTomlName) | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| /* | ||
| * Copyright 2018-2025 Scala Steward contributors | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package org.scalasteward.core.buildtool.gradle | ||
|
|
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| import cats.implicits.* | ||
| import org.scalasteward.core.data.{ArtifactId, Dependency, GroupId, Module, Version} | ||
| import org.tomlj.{Toml, TomlTable} | ||
| import scala.jdk.CollectionConverters.* | ||
|
|
||
| object gradleParser { | ||
| def parseDependenciesAndPlugins(input: String): (List[Dependency], List[Dependency]) = { | ||
| val parsed = Toml.parse(input) | ||
| val versionsTable = getTableSafe(parsed, "versions") | ||
| val librariesTable = getTableSafe(parsed, "libraries") | ||
| val pluginsTable = getTableSafe(parsed, "plugins") | ||
|
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| val dependencies = collectEntries(librariesTable, parseDependency(_, versionsTable)) | ||
| val plugins = collectEntries(pluginsTable, parsePlugin(_, versionsTable)) | ||
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| (dependencies, plugins) | ||
| } | ||
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| private def collectEntries[A: Ordering](table: TomlTable, f: TomlTable => Option[A]): List[A] = { | ||
| val aSet = table.entrySet().asScala.map(_.getValue).flatMap { | ||
| case t: TomlTable => f(t) | ||
| case _ => None | ||
| } | ||
| aSet.toList.sorted | ||
| } | ||
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| private def parseDependency(lib: TomlTable, versions: TomlTable): Option[Dependency] = | ||
| for { | ||
| case (groupId, artifactId) <- parseModuleObj(lib).orElse(parseModuleString(lib)) | ||
| version <- parseVersion(lib, versions) | ||
| } yield Dependency(groupId, artifactId, version) | ||
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| private def parseModuleObj(lib: TomlTable): Option[Module] = | ||
| for { | ||
| groupId <- getStringSafe(lib, "group").map(GroupId(_)) | ||
| artifactId <- getStringSafe(lib, "name").map(ArtifactId(_)) | ||
| } yield (groupId, artifactId) | ||
|
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| private def parseModuleString(lib: TomlTable): Option[Module] = | ||
| getStringSafe(lib, "module").flatMap { | ||
| _.split(':') match { | ||
| case Array(g, a) => Some((GroupId(g), ArtifactId(a))) | ||
| case _ => None | ||
| } | ||
| } | ||
|
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| private def parsePlugin(plugin: TomlTable, versions: TomlTable): Option[Dependency] = | ||
| for { | ||
| id <- getStringSafe(plugin, "id") | ||
| groupId = GroupId(id) | ||
| artifactId = ArtifactId(s"$id.gradle.plugin") | ||
| version <- parseVersion(plugin, versions) | ||
| } yield Dependency(groupId, artifactId, version) | ||
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| private def parseVersion(table: TomlTable, versions: TomlTable): Option[Version] = { | ||
| def versionString = getStringSafe(table, "version") | ||
| def versionRef = getStringSafe(table, "version.ref").flatMap(getStringSafe(versions, _)) | ||
| versionString.orElse(versionRef).map(Version.apply) | ||
| } | ||
|
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| private def getTableSafe(table: TomlTable, key: String): TomlTable = | ||
| Option | ||
| .when(table.contains(key) && table.isTable(key))(table.getTableOrEmpty(key)) | ||
| .getOrElse(emptyTable) | ||
|
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| private val emptyTable: TomlTable = Toml.parse("") | ||
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| private def getStringSafe(table: TomlTable, key: String): Option[String] = | ||
| Option.when(table.contains(key) && table.isString(key))(table.getString(key)) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| /* | ||
| * Copyright 2018-2025 Scala Steward contributors | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package org.scalasteward.core.buildtool | ||
|
|
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| import org.scalasteward.core.data.Resolver | ||
|
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| package object gradle { | ||
| val libsVersionsTomlName = "libs.versions.toml" | ||
|
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| val pluginsResolver: Resolver.MavenRepository = | ||
| Resolver.MavenRepository("gradle-plugins", "https://plugins.gradle.org/m2/", None, None) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| package org.scalasteward.core.buildtool.gradle | ||
|
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| import munit.CatsEffectSuite | ||
| import org.scalasteward.core.TestSyntax.* | ||
| import org.scalasteward.core.buildtool.BuildRoot | ||
| import org.scalasteward.core.data.{Repo, Scope} | ||
| import org.scalasteward.core.mock.MockContext.context.* | ||
| import org.scalasteward.core.mock.{MockEffOps, MockState} | ||
|
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| class GradleAlgTest extends CatsEffectSuite { | ||
| test("getDependencies") { | ||
| val repo = Repo("gradle-alg", "test-getDependencies") | ||
| val buildRoot = BuildRoot(repo, ".") | ||
| val buildRootDir = workspaceAlg.buildRootDir(buildRoot).unsafeRunSync() | ||
|
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| val initial = MockState.empty.addFiles( | ||
| buildRootDir / "gradle" / libsVersionsTomlName -> | ||
| """|[libraries] | ||
| |tomlj = { group = "org.tomlj", name = "tomlj", version = "1.1.1" } | ||
| |[plugins] | ||
| |kotlin-jvm = { id = "org.jetbrains.kotlin.jvm", version = "2.1.20-Beta1" } | ||
| |""".stripMargin | ||
| ) | ||
| val obtained = initial.flatMap(gradleAlg.getDependencies(buildRoot).runA) | ||
| val kotlinJvm = | ||
| "org.jetbrains.kotlin.jvm".g % "org.jetbrains.kotlin.jvm.gradle.plugin".a % "2.1.20-Beta1" | ||
| val expected = List( | ||
| List("org.tomlj".g % "tomlj".a % "1.1.1").withMavenCentral, | ||
| Scope(List(kotlinJvm), List(pluginsResolver)) | ||
| ) | ||
| assertIO(obtained, expected) | ||
| } | ||
| } |
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