Use sbt-native-image plugin (#741)

* Use sbt-native-image plugin

* fix build

.github/workflows/ci.yml

@@ -93,14 +93,10 @@ jobs:
         uses: "olafurpg/setup-scala@v10"
         with:
           java-version: "[email protected]"
-      - name: "install native-image"
-        run: |
-          java -version
-          gu install native-image
       - name: "build assembly jar and native image"
         run: |
-          sbt "++${{matrix.scala}} cli/assembly"
-          ./build_native.sh
+          sbt "++${{matrix.scala}} cli/assembly; cli/nativeImage"
+          cp cli/target/native-image/bosatsu-cli bosatsu
       - name: "run bosatsu tests"
         run: |
           ./bosatsu test --input_dir test_workspace/ --package_root test_workspace/

build.sbt

@@ -120,7 +120,8 @@ lazy val cli = (project in file("cli")).
     commonSettings,
     name := "bosatsu-cli",
     test in assembly := {},
-    mainClass in assembly := Some("org.bykn.bosatsu.Main"),
+    assembly / mainClass := Some("org.bykn.bosatsu.Main"),
+    Compile / mainClass := Some("org.bykn.bosatsu.Main"),
     libraryDependencies ++=
       Seq(
         catsEffect.value,
@@ -130,9 +131,11 @@ lazy val cli = (project in file("cli")).
       ),
     PB.targets in Compile := Seq(
      scalapb.gen() -> (sourceManaged in Compile).value
+    ),
+    nativeImageOptions ++= Seq("--static", "--no-fallback", "--verbose", "--initialize-at-build-time")
    )
-  )
   .dependsOn(coreJVM % "compile->compile;test->test")
+  .enablePlugins(NativeImagePlugin)
 
 lazy val core = (crossProject(JSPlatform, JVMPlatform).crossType(CrossType.Pure) in file("core")).
   settings(

project/plugins.sbt

@@ -5,6 +5,7 @@ addSbtPlugin("com.thesamet" % "sbt-protoc" % "0.99.34")
 addSbtPlugin("com.typesafe.sbt" % "sbt-git" % "1.0.1")
 addSbtPlugin("org.portable-scala" % "sbt-scalajs-crossproject" % "1.0.0")
 addSbtPlugin("org.scala-js" % "sbt-scalajs" % "1.5.1")
+addSbtPlugin("org.scalameta" % "sbt-native-image" % "0.3.0")
 addSbtPlugin("org.scoverage" % "sbt-scoverage" % "1.8.2")
 addSbtPlugin("pl.project13.scala" % "sbt-jmh" % "0.4.3")