inputs.files from mapping task to outputs.files

Author: liblit

com.ibm.wala.cast/smoke_main/build.gradle

@@ -39,13 +39,13 @@ application {
 					// "primordial.txt" resource loaded during test
 					final coreResources = project(':com.ibm.wala.core').tasks.named('processResources', Copy)
 					pathElements.add(coreResources.map { it.destinationDir })
-					inputs.files coreResources
+					inputs.files coreResources.map { it.outputs.files }
 
 					// additional supporting Java class files
 					['cast', 'core', 'util'].each {
 						final compileJava = project(":com.ibm.wala.$it").tasks.named('compileJava', AbstractCompile)
 						pathElements.add(compileJava.map { it.destinationDir })
-						inputs.files compileJava
+						inputs.files compileJava.map { it.outputs.files }
 					}
 
 					// all combined as a colon-delimited path list

com.ibm.wala.core/build.gradle

@@ -75,7 +75,7 @@ final downloadKawa = tasks.register('downloadKawa', VerifiedDownload) {
 }
 
 tasks.register('extractKawa') {
-	inputs.files downloadKawa
+	inputs.files downloadKawa.map { it.outputs.files }
 	outputs.file layout.buildDirectory.file("$name/kawa.jar")
 
 	doLast {
@@ -134,7 +134,7 @@ final downloadKawaChess = tasks.register('downloadKawaChess', VerifiedDownload)
 }
 
 final unpackKawaChess = tasks.register('unpackKawaChess') {
-	inputs.files downloadKawaChess
+	inputs.files downloadKawaChess.map { it.outputs.files }
 	outputs.dir project.layout.buildDirectory.file("kawa-chess-$kawaChessCommitHash")
 
 	doLast {
@@ -193,7 +193,7 @@ final downloadBcel = tasks.register('downloadBcel', VerifiedDownload) {
 tasks.register('extractBcel') {
 	final basename = downloadBcel.map { it.basename }
 	final jarFile = basename.flatMap { layout.buildDirectory.file "$name/${it}.jar" }
-	inputs.files downloadBcel
+	inputs.files downloadBcel.map { it.outputs.files }
 	outputs.file jarFile
 
 	doLast {