Fix MissingBuildToolSuite on Ubuntu

Author: olafurpg

build.sbt

@@ -188,6 +188,7 @@ lazy val unit = project
       Seq[BuildInfoKey](
         version,
         scalaVersion,
+        "temporaryDirectory" -> target.value / "tmpdir",
         "sourceroot" -> baseDirectory.in(ThisBuild).value,
         "minimizedJavaSourceDirectory" ->
           sourceDirectory.in(minimized, Compile).value / "java",

tests/buildTools/src/test/scala/tests/BaseBuildToolSuite.scala

@@ -2,28 +2,29 @@ package tests
 
 import java.nio.file.FileSystems
 import java.nio.file.Path
-import java.nio.file.Paths
-
-import scala.util.Properties
 
 import scala.meta.internal.io.FileIO
 import scala.meta.io.AbsolutePath
 
 import com.sourcegraph.lsif_java.LsifJava
+import moped.testkit.DeleteVisitor
 import moped.testkit.FileLayout
 import moped.testkit.MopedSuite
 import munit.TestOptions
 
 abstract class BaseBuildToolSuite extends MopedSuite(LsifJava.app) {
   override def environmentVariables: Map[String, String] = sys.env
-  override def workingDirectory: Path = {
-    val dir = super.workingDirectory
-    if (Properties.isMac && dir.toString.startsWith("/var")) {
-      Paths.get(s"/private/$dir")
-    } else {
-      dir
+
+  // NOTE(olafur): workaround for https://github.com/scalameta/moped/issues/18
+  override val temporaryDirectory: DirectoryFixture =
+    new DirectoryFixture {
+      private val path = BuildInfo.temporaryDirectory.toPath
+      override def apply(): Path = path
+      override def beforeAll(): Unit = {}
+      override def afterEach(context: AfterEach): Unit = {
+        DeleteVisitor.deleteRecursively(path)
+      }
     }
-  }
 
   private val semanticdbPattern = FileSystems
     .getDefault

tests/buildTools/src/test/scala/tests/MissingBuildToolSuite.scala

@@ -5,7 +5,7 @@ class MissingBuildToolSuite extends BaseBuildToolSuite {
     "basic",
     List(),
     expectedOutput =
-      """|error: No build tool detected in workspace '/private/workingDirectory'. At the moment, the only supported build tools are: Gradle, Maven.
+      """|error: No build tool detected in workspace '/workingDirectory'. At the moment, the only supported build tools are: Gradle, Maven.
          |""".stripMargin,
     workingDirectoryLayout = ""
   )