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|
package mill
import java.io.{InputStream, PrintStream}
import scala.collection.JavaConverters._
import ammonite.main.Cli._
import io.github.retronym.java9rtexport.Export
import mill.eval.Evaluator
import mill.api.DummyInputStream
object MillMain {
def main(args: Array[String]): Unit = {
val as = args match {
case Array(s, _*) if s == "-i" || s == "--interactive" => args.tail
case _ => args
}
val (result, _) = main0(
as,
None,
ammonite.Main.isInteractive(),
System.in,
System.out,
System.err,
System.getenv().asScala.toMap,
b => ()
)
System.exit(if(result) 0 else 1)
}
def main0(args: Array[String],
stateCache: Option[Evaluator.State],
mainInteractive: Boolean,
stdin: InputStream,
stdout: PrintStream,
stderr: PrintStream,
env: Map[String, String],
setIdle: Boolean => Unit): (Boolean, Option[Evaluator.State]) = {
import ammonite.main.Cli
val millHome = mill.api.Ctx.defaultHome
val removed = Set("predef-code", "no-home-predef")
var interactive = false
val interactiveSignature = Arg[Config, Unit](
"interactive", Some('i'),
"Run Mill in interactive mode, suitable for opening REPLs and taking user input. In this mode, no mill server will be used.",
(c, v) =>{
interactive = true
c
}
)
var disableTicker = false
val disableTickerSignature = Arg[Config, Unit](
"disable-ticker", None,
"Disable ticker log (e.g. short-lived prints of stages and progress bars)",
(c, v) =>{
disableTicker = true
c
}
)
var debugLog = false
val debugLogSignature = Arg[Config, Unit](
name = "debug", shortName = Some('d'),
doc = "Show debug output on STDOUT",
(c, v) => {
debugLog = true
c
}
)
var keepGoing = false
val keepGoingSignature = Arg[Config, Unit] (
name = "keep-going", shortName = Some('k'), doc = "Continue build, even after build failures",
(c,v) => {
keepGoing = true
c
}
)
val millArgSignature =
Cli.genericSignature.filter(a => !removed(a.name)) ++
Seq(interactiveSignature, disableTickerSignature, debugLogSignature, keepGoingSignature)
Cli.groupArgs(
args.toList,
millArgSignature,
Cli.Config(home = millHome, remoteLogging = false)
) match{
case _ if interactive =>
stderr.println("-i/--interactive must be passed in as the first argument")
(false, None)
case Left(msg) =>
stderr.println(msg)
(false, None)
case Right((cliConfig, _)) if cliConfig.help =>
val leftMargin = millArgSignature.map(ammonite.main.Cli.showArg(_).length).max + 2
stdout.println(
s"""Mill Build Tool
|usage: mill [mill-options] [target [target-options]]
|
|${formatBlock(millArgSignature, leftMargin).mkString(ammonite.util.Util.newLine)}""".stripMargin
)
(true, None)
case Right((cliConfig, leftoverArgs)) =>
val repl = leftoverArgs.isEmpty
if (repl && stdin == DummyInputStream) {
stderr.println("Build repl needs to be run with the -i/--interactive flag")
(false, stateCache)
}else{
val config =
if(!repl) cliConfig
else cliConfig.copy(
predefCode =
s"""import $$file.build, build._
|implicit val replApplyHandler = mill.main.ReplApplyHandler(
| os.Path(${pprint.apply(cliConfig.home.toIO.getCanonicalPath.replaceAllLiterally("$", "$$")).plainText}),
| $disableTicker,
| interp.colors(),
| repl.pprinter(),
| build.millSelf.get,
| build.millDiscover,
| $debugLog,
| keepGoing = $keepGoing
|)
|repl.pprinter() = replApplyHandler.pprinter
|import replApplyHandler.generatedEval._
|
""".stripMargin,
welcomeBanner = None
)
val runner = new mill.main.MainRunner(
config.copy(colored = config.colored orElse Option(mainInteractive)),
disableTicker,
stdout, stderr, stdin,
stateCache,
env,
setIdle,
debugLog,
keepGoing = keepGoing
)
if (mill.main.client.Util.isJava9OrAbove) {
val rt = cliConfig.home / Export.rtJarName
if (!os.exists(rt)) {
runner.printInfo(s"Preparing Java ${System.getProperty("java.version")} runtime; this may take a minute or two ...")
Export.rtTo(rt.toIO, false)
}
}
if (repl){
runner.printInfo("Loading...")
(runner.watchLoop(isRepl = true, printing = false, _.run()), runner.stateCache)
} else {
(runner.runScript(os.pwd / "build.sc", leftoverArgs), runner.stateCache)
}
}
}
}
}
|
