[2.x] Add runner support for execution log (#9237)

**Problem/Solution**
This adds runner commandline option experimental_execution_log.

launcher-package/integration-test/src/test/scala/RunnerScriptTest.scala

@@ -330,4 +330,8 @@ object RunnerScriptTest extends verify.BasicTestSuite with ShellScriptUtil:
       s"Should not have errors from comment character, but found: ${errorMessages.mkString(", ")}"
     )
 
+  testOutput("sbt --experimental_execution_log=true")("--experimental_execution_log=true", "-v"):
+    (out: List[String]) =>
+      assert(out.contains[String]("-Dsbt.experimental_execution_log=true"))
+
 end RunnerScriptTest

launcher-package/src/universal/bin/sbt.bat

@@ -54,6 +54,7 @@ set sbt_args_mem=
 set sbt_args_client=
 set sbt_args_jvm_client=
 set sbt_args_no_server=
+set sbt_args_experimental_execution_log=
 set is_this_dir_sbt=0
 
 rem users can set SBT_OPTS via .sbtopts
@@ -419,6 +420,21 @@ if defined _color_arg (
   goto args_loop
 )
 
+if "%~0" == "--experimental_execution_log" set _experimental_execution_log_arg=true
+
+if defined _experimental_execution_log_arg (
+  set _experimental_execution_log_arg=
+  if not "%~1" == "" (
+   set sbt_args_experimental_execution_log=%~1
+   shift
+   goto args_loop
+  ) else (
+   echo "%~0" is missing a value
+   goto error
+  )
+  goto args_loop
+)
+
 if "%~0" == "--no-share" set _no_share_arg=true
 if "%~0" == "-no-share" set _no_share_arg=true
 
@@ -724,6 +740,10 @@ if not defined sbt_args_no_hide_jdk_warnings (
   )
 )
 
+if defined sbt_args_experimental_execution_log (
+  set _SBT_OPTS=-Dsbt.experimental_execution_log=!sbt_args_experimental_execution_log! !_SBT_OPTS!
+)
+
 rem TODO: _SBT_OPTS needs to be processed as args and diffed against SBT_ARGS
 
 if !sbt_args_print_sbt_version! equ 1 (
@@ -1137,6 +1157,8 @@ echo   --script-version    print the version of sbt script
 echo   -d ^| --debug        set sbt log level to debug
 echo   -debug-inc ^| --debug-inc
 echo                       enable extra debugging for the incremental compiler
+echo   --experimental_execution_log=true^|^<path^>
+echo                       enable experimental execution log
 rem echo   -J-X                pass option -X directly to the java runtime
 rem echo                       ^(-J is stripped^)
 rem echo   -S-X                add -X to sbt's scalacOptions ^(-S is stripped^)

sbt

@@ -668,6 +668,8 @@ Usage: `basename "$0"` [options]
   -d | --debug        set sbt log level to debug
   -debug-inc | --debug-inc
                       enable extra debugging for the incremental compiler
+  --experimental_execution_log=true|<path>
+                      enable experimental execution log
 
   # sbt version (default: from project/build.properties if present, else latest release)
   --sbt-version  <version>   use the specified version of sbt
@@ -725,6 +727,7 @@ map_args () {
              -autostart=*) options=( "${options[@]}" "-Dsbt.server.autostart=${1:12}" ) && shift ;;
                   --color=*) options=( "${options[@]}" "-Dsbt.color=${1:8}" ) && shift ;;
                    -color=*) options=( "${options[@]}" "-Dsbt.color=${1:7}" ) && shift ;;
+     --experimental_execution_log=*) options=( "${options[@]}" "-Dsbt.experimental_execution_log=${1:29}" ) && shift ;;
        -no-share|--no-share) options=( "${options[@]}" "${noshare_opts[@]}" ) && shift ;;
      -no-global|--no-global) options=( "${options[@]}" "-Dsbt.global.base=$(pwd)/project/.sbtboot" ) && shift ;;
                  -ivy|--ivy) require_arg path "$1" "$2" && options=( "${options[@]}" "-Dsbt.ivy.home=$2" ) && shift 2 ;;

sbtw/src/main/scala/sbtw/ArgParser.scala

@@ -44,6 +44,9 @@ object ArgParser:
         opt[String]("autostart").action((x, c) => c.copy(autostart = Some(x))),
         opt[Int]("jvm-debug").action((x, c) => c.copy(jvmDebug = Some(x))),
         opt[String]("java-home").action((x, c) => c.copy(javaHome = Some(x))),
+        opt[String]("experimental_execution_log").action((x, c) =>
+          c.copy(experimentalExecutionLog = Some(x))
+        ),
         arg[String]("<arg>")
           .unbounded()
           .optional()

sbtw/src/main/scala/sbtw/LauncherOptions.scala

@@ -35,6 +35,7 @@ case class LauncherOptions(
     server: Boolean = false,
     residual: Seq[String] = Nil,
     sbtNew: Boolean = false,
+    experimentalExecutionLog: Option[String] = None,
 )
 
 object LauncherOptions:

sbtw/src/main/scala/sbtw/Runner.scala

@@ -63,6 +63,7 @@ object Runner:
     opts.ivy.foreach(v => s = s :+ s"-Dsbt.ivy.home=$v")
     opts.color.foreach(v => s = s :+ s"-Dsbt.color=$v")
     opts.autostart.foreach(v => s = s :+ s"-Dsbt.server.autostart=$v")
+    opts.experimentalExecutionLog.foreach(v => s = s :+ s"-Dsbt.experimental_execution_log=$v")
     if opts.timings then
       s = s ++ Seq("-Dsbt.task.timings=true", "-Dsbt.task.timings.on.shutdown=true")
     if opts.traces then s = s :+ "-Dsbt.traces=true"