org.virtuslab.ideprobe.pants.BspFixture.scala Maven / Gradle / Ivy

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package org.virtuslab.ideprobe.pants

import java.net.URL
import java.nio.file.Files
import java.nio.file.Path
import java.nio.file.Paths

import org.virtuslab.ideprobe.CommandResult
import org.virtuslab.ideprobe.Config
import org.virtuslab.ideprobe.Extensions._
import org.virtuslab.ideprobe.Shell

trait BspFixture {
  lazy val coursierPath: Path = {
    val destination = Paths.get(System.getProperty("java.io.tmpdir"), "ideprobe-coursier")
    if (!Files.exists(destination)) {
      val url = new URL(sys.env.getOrElse("FASTPASS_COURSIER_URL", "https://git.io/coursier-cli"))
      Files.copy(url.openConnection.getInputStream, destination)
      destination.toFile.setExecutable(true)
    }
    destination
  }

  def runFastpassCreate(config: Config, workspace: Path, targets: Seq[String]): Path = {
    val version = runFastpass(config, workspace, Seq("--version")).out
    println(s"Using fastpass version $version")
    val command = Seq(
      "create",
      "--no-bloop-exit",
      "--intellij",
      "--intellijLauncher",
      "echo"
    ) ++ targets
    val result = runFastpass(config, workspace, command)
    if (result.isFailed) {
      val needRecreate =
        """can't create project named '(.*)' because it already exists.""".r.unanchored
      result.err match {
        case needRecreate(name) =>
          workspace.resolveSibling("bsp-projects").resolve(name).delete()
          runFastpassCreate(config, workspace, targets)
        case _ =>
          Paths.get(result.out)
      }
    } else {
      Paths.get(result.out)
    }
  }

  def runFastpass(config: Config, workspace: Path, args: Seq[String]): CommandResult = {
    val fastpassVersion = config.get[String]("fastpass.version").getOrElse("latest.stable")
    val command = Seq(
      coursierPath.toString,
      "launch",
      s"org.scalameta:fastpass_2.12:$fastpassVersion",
      "-r",
      "sonatype:snapshots",
      "--quiet",
      "--main",
      "scala.meta.fastpass.Fastpass",
      "--"
    ) ++ args
    Shell.run(workspace, command: _*)
  }

}