Fix task ordering and more in Gradle Android build

android/app/build.gradle

@@ -53,14 +53,18 @@ android {
 
 task prepareAssets() {
 	def assetsFolder = "build/assets"
-	def projRoot = "../.."
+	def projRoot = rootDir.parent
 	def gameToCopy = "minetest_game"
 
+	doFirst {
+		logger.lifecycle('Preparing assets at {}', assetsFolder)
+	}
+	doLast {
 		copy {
 			from "${projRoot}/minetest.conf.example", "${projRoot}/README.md" into assetsFolder
 		}
 		copy {
-		from "${projRoot}/doc/lgpl-2.1.txt" into "${assetsFolder}"
+			from "${projRoot}/doc/lgpl-2.1.txt" into assetsFolder
 		}
 		copy {
 			from "${projRoot}/builtin" into "${assetsFolder}/builtin"
@@ -77,6 +81,11 @@ task prepareAssets() {
 		copy {
 			from "${projRoot}/games/${gameToCopy}" into "${assetsFolder}/games/${gameToCopy}"
 		}
+		copy {
+			from "${projRoot}/textures" into "${assetsFolder}/textures"
+		}
+
+		// compile translations
 		fileTree("${projRoot}/po").include("**/*.po").forEach { poFile ->
 			def moPath = "${assetsFolder}/locale/${poFile.parentFile.name}/LC_MESSAGES/"
 			file(moPath).mkdirs()
@@ -84,20 +93,19 @@ task prepareAssets() {
 				commandLine 'msgfmt', '-o', "${moPath}/minetest.mo", poFile
 			}
 		}
-	copy {
-		from "${projRoot}/textures" into "${assetsFolder}/textures"
-	}
 
 		file("${assetsFolder}/.nomedia").text = ""
+	}
 
-	task zipAssets(type: Zip) {
+	task zipAssets(dependsOn: prepareAssets, type: Zip) {
 		archiveFileName = "Minetest.zip"
-		from "${assetsFolder}"
+		from assetsFolder
 		destinationDirectory = file("src/main/assets")
 	}
 }
 
 preBuild.dependsOn zipAssets
+prepareAssets.dependsOn ':native:getDeps'
 
 // Map for the version code that gives each ABI a value.
 import com.android.build.OutputFile

android/build.gradle

@@ -33,5 +33,4 @@ allprojects {
 
 task clean(type: Delete) {
 	delete rootProject.buildDir
-	delete 'native/deps'
 }

android/native/build.gradle

@@ -52,18 +52,23 @@ android {
 
 // get precompiled deps
 task downloadDeps(type: Download) {
+	def depsDir = new File(buildDir.parent, 'deps')
+	def depsZip = new File(buildDir, 'deps.zip')
+
 	src 'https://github.com/minetest/minetest_android_deps/releases/download/latest/deps.zip'
-	dest new File(buildDir, 'deps.zip')
+	dest depsZip
 	overwrite false
-}
 
 	task getDeps(dependsOn: downloadDeps, type: Copy) {
-	def deps = new File(buildDir.parent, 'deps')
-	if (!deps.exists()) {
-		deps.mkdir()
-		from zipTree(downloadDeps.dest)
-		into deps
+		depsDir.mkdir()
+		from zipTree(depsZip)
+		into depsDir
+		doFirst { logger.lifecycle('Extracting to {}', depsDir) }
 	}
 }
 
 preBuild.dependsOn getDeps
+
+clean {
+	delete new File(buildDir.parent, 'deps')
+}