Add support for argfiles.

pantsbuild · Jun 6, 2019 · 25819bb · 25819bb
1 parent 742ec20
commit 25819bb
Showing 1 changed file with 11 additions and 2 deletions.
diff --git a/src/scala/org/pantsbuild/zinc/compiler/Main.scala b/src/scala/org/pantsbuild/zinc/compiler/Main.scala
@@ -4,14 +4,19 @@
 
 package org.pantsbuild.zinc.compiler
 
-import com.martiansoftware.nailgun.NGContext
 import java.io.File
 import java.nio.file.Paths
+import scala.collection.JavaConverters._
+
 import sbt.internal.inc.IncrementalCompilerImpl
 import sbt.internal.util.{ ConsoleLogger, ConsoleOut }
 import sbt.util.Level
 import xsbti.CompileFailed
 
+import com.martiansoftware.nailgun.NGContext
+import com.google.common.base.Charsets
+import com.google.common.io.Files
+
 import org.pantsbuild.zinc.analysis.AnalysisMap
 import org.pantsbuild.zinc.util.Util
 
@@ -64,7 +69,11 @@ object Main {
     cl
   }
 
-  def preprocessArgs(args: Array[String]): Array[String] = {
+  def preprocessArgs(rawArgs: Array[String]): Array[String] = {
+    val (argFiles, partialArgs) = rawArgs.partition(_.startsWith("@"))
+    val args = partialArgs ++ argFiles.flatMap { f =>
+      Files.readLines(new File(f.drop(1)), Charsets.UTF_8).asScala
+    }
     val fixedArgs = args.flatMap { arg =>
       arg match {
         case x if x.startsWith("-C") || x.startsWith("-S") => {