Support building and running against different IntelliJ versions

[fcurts]

It would be very useful if there was a way to configure an IntelliJ versions for the runIde task that is different from intellij { version = ... }. For example, I might want to build against 2019.1 but also test with 2019.3.

My current solution is runIde { ideDirectory = "..." }, but this is cumbersome (not automatically downloaded, etc.).

[jansorg]

@fcurts I usually use a gradle property for the version of the IDE. Then you can override that property on the command line and create scripts to run different versions of the IDE.

[fcurts]

@jansorg The problem is that intellij { version = ... } sets both build time and run time IntelliJ version but I often need them to differ. For example, grammar-kit requires IntelliJ version >= x at build time but I want to test with IntelliJ version < x. Setting runIde.ideDirectory is inconvenient (e.g., ~/.gradle/caches/modules-2/files-2.1/com.jetbrains.intellij.idea/ideaIC/2019.2.4/a2eb13f21bdc018b64b31208823a57771b47273/ideaIC-2019.2.4) and IntelliJ isn't automatically downloaded in this case.

[jansorg]

@fcurts You could add a new task, which updates the ide version in the configuration phase. You could run this with gradle -PmyIdeVersion=2019.1.1 runMyIde to use 2019.1.1 at runtime and 2019.3.2 at build time and for runIde.

intellij {
  version '2019.3.2'
}

tasks.register("runMyIde") { myTask ->
  if (project.hasProperty("myIdeVersion")) {
    intellij.version project.property("myIdeVersion")
  }
  myTask.dependsOn tasks.named("runIde")
}

[fcurts]

@jansorg That looks like a totally unreliable/unsupported Gradle hack to me. (There is no reliable way to assign different values to the same property over the course of a build and have the right value show up in the right places. Invoking runIde also builds the plugin.) Anyways, thanks for your suggestions.

[jansorg]

You‘re right, this only works if no compilation is necessary because it also updates the ide version used for the build. Disregard my suggestion

[hsz]

Starting with the IntelliJ Platform Gradle Plugin 2.0, it is possible to declare multiple runIde-like tasks to run different IDE instances with your plugin loaded, by extending the RunIdeTask task class:

import org.jetbrains.intellij.platform.gradle.IntelliJPlatformType
import org.jetbrains.intellij.platform.gradle.tasks.RunIdeTask

tasks {
  val runPhpStorm by registering(RunIdeTask::class) {
    type = IntelliJPlatformType.PhpStorm
    version = "2023.2.2"
  }

  val runLocalIde by registering(RunIdeTask::class) {
    localPath = file("/Users/hsz/Applications/Android Studio.app")
  }
}

You can use type/version or localPath to specify the IDE of your choice. See: https://plugins.jetbrains.com/docs/intellij/tools-intellij-platform-gradle-plugin-tasks.html#runIde

This approach can also be applied to the TestIdeTask: https://plugins.jetbrains.com/docs/intellij/tools-intellij-platform-gradle-plugin-tasks.html#testIde