Upload fat jar launcher of scala-cli into artifacts

Author: lwronski

.github/workflows/ci.yml

@@ -27,6 +27,9 @@ jobs:
     - name: Copy launcher
       run: ./mill -i copyJvmLauncher artifacts/
       if: runner.os == 'Linux'
+    - name: Copy bootstrapped launcher
+      run: ./mill -i copyJvmBootstrappedLauncher artifacts/
+      if: runner.os == 'Linux'
     - uses: actions/upload-artifact@v3
       if: runner.os == 'Linux'
       with:

build.sc

@@ -1248,6 +1248,15 @@ def copyJvmLauncher(directory: String = "artifacts") = T.command {
     replaceExisting = true
   )
 }
+def copyJvmBootstrappedLauncher(directory: String = "artifacts") = T.command {
+  val launcher = cliBootstrapped.jar().path
+  os.copy(
+    launcher,
+    os.Path(directory, os.pwd) / s"scala-cli.jar",
+    createFolders = true,
+    replaceExisting = true
+  )
+}
 
 def uploadLaunchers(directory: String = "artifacts") = T.command {
   val version = cli.publishVersion()