Make community build docs experiment-aware

Author: abgruszecki

community-build/src/scala/dotty/communitybuild/Main.scala

@@ -54,7 +54,10 @@ object Main:
         Seq("rm", "-rf", destStr).!
         Files.createDirectory(dest)
         val (toRun, ignored) =
-          allProjects.partition(_.docCommand != null)
+          allProjects.partition( p =>
+            p.docCommand != null
+            && (!p.requiresExperimental || compilerSupportExperimental)
+          )
 
         val paths = toRun.map { project =>
           val name = project.project

community-build/src/scala/dotty/communitybuild/projects.scala

@@ -40,6 +40,7 @@ sealed trait CommunityProject:
   val dependencies: List[CommunityProject]
   val binaryName: String
   val runCommandsArgs: List[String] = Nil
+  val requiresExperimental: Boolean
 
   final val projectDir = communitybuildDir.resolve("community-projects").resolve(project)
 
@@ -48,6 +49,7 @@ sealed trait CommunityProject:
 
   /** Publish this project to the local Maven repository */
   final def publish(): Unit =
+    // TODO what should this do with .requiresExperimental?
     if !published then
       publishDependencies()
       log(s"Publishing $project")
@@ -59,6 +61,11 @@ sealed trait CommunityProject:
       published = true
 
   final def doc(): Unit =
+    if this.requiresExperimental && !compilerSupportExperimental then
+      log(
+        s"Skipping ${this.project} - it needs experimental features unsupported in this build."
+      )
+      return
     publishDependencies()
     log(s"Documenting $project")
     if docCommand eq null then
@@ -78,6 +85,7 @@ final case class MillCommunityProject(
     baseCommand: String,
     dependencies: List[CommunityProject] = Nil,
     ignoreDocs: Boolean = false,
+    requiresExperimental: Boolean = false,
     ) extends CommunityProject:
   override val binaryName: String = "./mill"
   override val testCommand = s"$baseCommand.test"
@@ -94,7 +102,8 @@ final case class SbtCommunityProject(
     dependencies: List[CommunityProject] = Nil,
     sbtPublishCommand: String = null,
     sbtDocCommand: String = null,
-    scalacOptions: List[String] = SbtCommunityProject.scalacOptions
+    scalacOptions: List[String] = SbtCommunityProject.scalacOptions,
+    requiresExperimental: Boolean = false,
   ) extends CommunityProject:
   override val binaryName: String = "sbt"
 
@@ -237,13 +246,15 @@ object projects:
 
   lazy val scas = MillCommunityProject(
     project = "scas",
-    baseCommand = "scas.application"
+    baseCommand = "scas.application",
+    requiresExperimental = true
   )
 
   lazy val intent = SbtCommunityProject(
     project       = "intent",
     sbtTestCommand   = "test",
-    sbtDocCommand = "doc"
+    sbtDocCommand = "doc",
+    requiresExperimental = true,
   )
 
   lazy val algebra = SbtCommunityProject(
@@ -398,15 +409,17 @@ object projects:
     sbtTestCommand   = "coreJVM/test;coreJS/test",
     sbtPublishCommand = "coreJVM/publishLocal;coreJS/publishLocal",
     sbtDocCommand   = "coreJVM/doc",
-    dependencies = List(munit)
+    dependencies = List(munit),
+    requiresExperimental = true,
   )
 
   lazy val scodec = SbtCommunityProject(
     project          = "scodec",
     sbtTestCommand   = "unitTests/test",
     // Adds <empty> package
     sbtDocCommand   = "coreJVM/doc",
-    dependencies = List(munit, scodecBits)
+    dependencies = List(munit, scodecBits),
+    requiresExperimental = true,
   )
 
   lazy val scalaParserCombinators = SbtCommunityProject(

community-build/test/scala/dotty/communitybuild/CommunityBuildTest.scala

@@ -20,7 +20,12 @@ abstract class CommunityBuildTest:
    *  and avoid network overhead. See https://github.com/lampepfl/dotty-drone
    *  for more infrastructural details.
    */
-  extension (self: CommunityProject) def run()(using suite: CommunityBuildTest) =
+  extension (self: CommunityProject) def run()(using suite: CommunityBuildTest): Unit =
+    if self.requiresExperimental && !compilerSupportExperimental then
+      println(
+        s"Skipping ${self.project} - it needs experimental features unsupported in this build."
+      )
+      return
     self.dependencies.foreach(_.publish())
     suite.test(self)
 
@@ -116,8 +121,8 @@ class CommunityBuildTestB extends CommunityBuildTest:
   @Test def disciplineSpecs2 = projects.disciplineSpecs2.run()
   @Test def munit = projects.munit.run()
   @Test def perspective = projects.perspective.run()
-  @Test def scodec = if compilerSupportExperimental then projects.scodec.run()
-  @Test def scodecBits = if compilerSupportExperimental then projects.scodecBits.run()
+  @Test def scodec = projects.scodec.run()
+  @Test def scodecBits = projects.scodecBits.run()
   @Test def simulacrumScalafixAnnotations = projects.simulacrumScalafixAnnotations.run()
 end CommunityBuildTestB
 
@@ -134,7 +139,7 @@ class CommunityBuildTestC extends CommunityBuildTest:
   @Test def fansi = projects.fansi.run()
   @Test def fastparse = projects.fastparse.run()
   @Test def geny = projects.geny.run()
-  @Test def intent = if compilerSupportExperimental then projects.intent.run()
+  @Test def intent = projects.intent.run()
   @Test def minitest = projects.minitest.run()
   @Test def onnxScala = projects.onnxScala.run()
   @Test def oslib = projects.oslib.run()