build.gradle

plugins {
    id 'org.jetbrains.intellij' version '0.0.37'
    id "de.undercouch.download" version '2.1.0'
}

repositories {
    mavenCentral()
}

def runWithPython = System.getenv().getOrDefault("RUN_WITH_PYTHON", "true").toBoolean()
configurations {
    ideaPlugins
    if(runWithPython)
        compile.extendsFrom(ideaPlugins)
}

apply plugin: 'scala'
apply plugin: 'org.jetbrains.intellij'

sourceCompatibility = JavaVersion.VERSION_1_8

// Following two assignments are necessary to let the scala plugin handle both java and scala compilation
sourceSets.main.java.srcDirs = []
sourceSets.test.java.srcDirs = []

// Python plugin is still necesessary to compile, even if not used at runtime
if(!runWithPython) {
    sourceSets.main.compileClasspath += configurations.ideaPlugins
    sourceSets.test.compileClasspath += configurations.ideaPlugins
}
sourceSets.main.scala.srcDir 'src/main/java'
sourceSets.main.scala.srcDir 'src/main/java-gen'
sourceSets.test.scala.srcDir 'src/test/java'

dependencies {
    compile 'org.scala-lang:scala-library:2.11.7'
    ideaPlugins fileTree("${projectDir}/lib/") {
        include 'python*/lib/python*.jar'
    }
    testCompile 'org.scalatest:scalatest_2.11:2.2.5'
}

// Build number ranges:   http://www.jetbrains.org/intellij/sdk/docs/basics/getting_started/build_number_ranges.html
// Python CE plugin:      https://plugins.jetbrains.com/plugin/7322-python-community-edition
// Python plugin:         https://plugins.jetbrains.com/plugin/631-python
// Intellij repositories: https://www.jetbrains.com/intellij-repository/releases
//                        https://www.jetbrains.com/intellij-repository/snapshots

def pythonPluginForVersion = [
        'IC-2017.3.2': 'https://plugins.jetbrains.com/plugin/download?updateId=41833',
        'IC-2017.2.1': 'https://plugins.jetbrains.com/plugin/download?updateId=37356',
        'IC-171.3780-EAP-CANDIDATE-SNAPSHOT': 'https://plugins.jetbrains.com/plugin/download?updateId=33293',
        'IC-163.13906.18' : 'https://plugins.jetbrains.com/plugin/download?updateId=32326',
        'IC-163.4396.1': 'https://plugins.jetbrains.com/plugin/download?pr=idea_ce&updateId=27090',
        'IC-2016.1.1': 'https://plugins.jetbrains.com/plugin/download?pr=idea_ce&updateId=24604',
        'IC-2016.1': 'https://plugins.jetbrains.com/plugin/download?pr=idea_ce&updateId=24604',
        'IC-15.0.2': 'https://plugins.jetbrains.com/plugin/download?pr=idea_ce&updateId=22400',
        'IC-14.1.6': 'https://plugins.jetbrains.com/plugin/download?pr=idea_ce&updateId=20879',
        'IU-2017.3.2': 'https://plugins.jetbrains.com/plugin/download?updateId=41832',
        'IU-171.3780-EAP-CANDIDATE-SNAPSHOT': 'https://plugins.jetbrains.com/plugin/download?updateId=33292',
        'IU-2016.2.5': 'https://plugins.jetbrains.com/plugin/download?updateId=32327',
        'IU-2016.1': 'https://plugins.jetbrains.com/plugin/download?pr=idea&updateId=24602',
        'IU-15.0.2': 'https://plugins.jetbrains.com/plugin/download?pr=idea&updateId=22399'
]

intellij {
    version = System.getenv().getOrDefault('IDEA_VERSION', 'IC-2017.3.2')
    plugins = ['coverage', 'yaml']  // Dependent plugins are added for Python IU plugin
    intellijFiles.addAll(configurations.ideaPlugins.files)
    updateSinceUntilBuild = false

    publish {
        username 'AmailP'
        pluginId '7415'
    }
}

test {
    exclude 'amailp/intellij/robot/testFramework'
    if(!runWithPython) {
        exclude 'amailp/intellij/robot/psi/reference/LibraryToDefinitionReferenceTest.class'
        exclude 'amailp/intellij/robot/psi/reference/PythonKeywordToDefinitionReferenceTest.class'
    }
}

import de.undercouch.gradle.tasks.download.Download
task downloadJFlex(type: Download) {
    src 'https://bintray.com/jetbrains/intellij-third-party-dependencies/download_file?file_path=org%2Fjetbrains%2Fintellij%2Fdeps%2Fjflex%2Fjflex%2F1.7.0%2Fjflex-1.7.0.jar'
    dest "${buildDir}/downloads/JFlex.jar"
    onlyIfNewer true
    overwrite false
}

task downloadSkeleton(dependsOn: downloadJFlex, type: Download) {
    src 'https://github.com/JetBrains/intellij-community/raw/master/tools/lexer/idea-flex.skeleton'
    dest "${buildDir}/downloads/idea-flex.skeleton"
    onlyIfNewer true
    overwrite false
}

task generateLexer(dependsOn: downloadSkeleton, type: JavaExec) {
    main '-jar'
    args """${buildDir}/downloads/JFlex.jar
           |--nobak
           |--skel
           |${buildDir}/downloads/idea-flex.skeleton
           |-d
           |${projectDir}/src/main/java-gen/amailp/intellij/robot/lexer
           |${projectDir}/src/main/resources/amailp/intellij/robot/lexer/Robot.flex""".stripMargin().split('\n').toList()
    inputs.file "${projectDir}/src/main/resources/amailp/intellij/robot/lexer/Robot.flex"
    outputs.dir "${projectDir}/src/main/java-gen/amailp/intellij/robot/lexer"
}

task downloadPython(type: Download) {
    src pythonPluginForVersion["${intellij.type}-${intellij.version}"]
    dest "${buildDir}/downloads/python.zip"
    onlyIfNewer true
    overwrite false
}

task unzipPython(dependsOn: downloadPython, type: Copy) {
    from zipTree(downloadPython.dest)
    into "${buildDir}/plugins/"
}

task copyPythonToSandbox(dependsOn: unzipPython, type: Copy) {
    from "${buildDir}/plugins/python"
    into "${intellij.sandboxDirectory}/plugins/python"
}

task copyPythonJarToLib(dependsOn: unzipPython, type: Copy) {
    from ("${buildDir}/plugins") {
        include 'python*/lib/python*.jar'
    }
    into "${projectDir}/lib"
}

compileScala.dependsOn(copyPythonJarToLib)
compileScala.dependsOn(generateLexer)

afterEvaluate {
    if(runWithPython)
        tasks.getByPath('prepareSandbox').dependsOn copyPythonToSandbox
    tasks.getByPath('publishPlugin').doFirst {
        def requiredVersion = JavaVersion.VERSION_1_8
        if(JavaVersion.current() != requiredVersion)
            throw new GradleException("The plugin should be published using JavaVersion $requiredVersion" )
    }
}