theoretical task

Alfons.moon

@@ -1,6 +1,7 @@
 tasks:
 	build: =>
-		sh "moon bin/moonbuild.moon -jy"
+		load 'moonbuild'
+		tasks.moonbuild j: true
 	release: =>
 		error "no version provided" unless @v
 		tasks.build!

bin/task.moon

@@ -0,0 +1,24 @@
+-- load everything we need
+import loadfile from require 'moonscript.base'
+Context = require 'moonbuild.context'
+DepGraph = require 'moonbuild.core.DAG'
+
+tasks:
+	moonbuild: =>
+		args = {
+			nparallel: @parallel or @j
+			quiet: @quiet or @q
+			buildfile: @buildfile or @b
+			force: @force or @f
+		}
+		ctx = Context!
+		ctx\load (loadfile args.buildfile or 'Build.moon'), @
+		ctx\init!
+		dag = DepGraph ctx, #@ == 0 and ctx.defaulttargets or @
+		executor = do
+			Executor = do
+				ok, Executor = pcall -> require 'moonbuild.core.multiprocessexecutor'
+				ok and Executor or require 'moonbuild.core.singleprocessexecutor'
+			args.nparallel = Executor\getmaxparallel! if args.nparallel == true
+			Executor dag, args.nparallel
+		executor\execute args