Bug 1955358 - Allow Android Studio to read from local mozconfig. r=geckoview-reviewers,saschanaz,nalexander,ohall

Differential Revision: https://phabricator.services.mozilla.com/D242463

mobile/android/gradle/mach_env.gradle

@@ -13,13 +13,12 @@ ext.machEnv = { topsrcdir ->
   }
 
   def localMozconfig = localProperties.getProperty("mozilla-central.mozconfig")
-
-  def env = System.env.collect { k, v -> "${k}=${v}" }
+  def env = new HashMap(System.env)
   if (localMozconfig) {
       def envMozconfig = System.env.get('FOUND_MOZCONFIG')
       if (!envMozconfig || localMozconfig == envMozconfig) {
           logger.lifecycle("settings.gradle> Setting mozconfig from local.properties: ${localMozconfig}")
-          env << "MOZCONFIG=${localMozconfig}"
+          env.MOZCONFIG = localMozconfig
       } else {
           logger.lifecycle("settings.gradle> Preferring mozconfig set in mach environment to mozconfig set in local.properties: ${envMozconfig}")
       }

mobile/android/gradle/mozconfig.gradle

@@ -23,7 +23,9 @@ if (System.env.GRADLE_MACH_PYTHON) {
 }
 
 def proc = providers.exec {
-    commandLine(command)
+    workingDir = new File(topsrcdir)
+    environment = machEnv(topsrcdir)
+    commandLine = command
     ignoreExitValue = true
 }
 

substitute-local-geckoview.gradle

@@ -49,24 +49,26 @@ def loadMozconfig() {
     // Cribbed from https://hg.mozilla.org/mozilla-central/file/tip/settings.gradle.  When run in
     // topobjdir, `mach environment` correctly finds the mozconfig corresponding to that object
     // directory.
-    def commandLine = ["${topsrcdir}/mach", "environment", "--format", "json", "--verbose"]
-    def proc = commandLine.execute(
-            machEnv(topsrcdir),
-            new File(ext.has('topobjdir') ? ext.get('topobjdir') : topsrcdir))
-    def standardOutput = new ByteArrayOutputStream()
-    def standardError = new ByteArrayOutputStream()
-    proc.consumeProcessOutput(standardOutput, standardError)
-    proc.waitFor()
+    def command = ["${topsrcdir}/mach", "environment", "--format", "json", "--verbose"]
+    def proc = providers.exec {
+        workingDir = new File(ext.has('topobjdir') ? ext.get('topobjdir') : topsrcdir)
+        environment = machEnv(topsrcdir)
+        commandLine = command
+        ignoreExitValue = true
+    }
+    def result = proc.result.get().exitValue
+    def standardOutput = proc.standardOutput.asText.get()
+    def standardError = proc.standardError.asText.get()
 
     // Only show the output if something went wrong.
-    if (proc.exitValue() != 0) {
-        throw new GradleException("Process '${commandLine}' finished with non-zero exit value ${proc.exitValue()}:\n\n"
-                + "stdout:\n${standardOutput.toString()}\n\n"
-                + "stderr:\n${standardError.toString()}")
+    if (result != 0) {
+        throw new GradleException("Process '${command}' finished with non-zero exit value ${result}:\n\n"
+                + "stdout:\n${standardOutput}\n\n"
+                + "stderr:\n${standardError}")
     }
 
     def slurper = new JsonSlurper()
-    def mozconfig = slurper.parseText(standardOutput.toString())
+    def mozconfig = slurper.parseText(standardOutput)
 
     if (topsrcdir != mozconfig.topsrcdir) {
         throw new GradleException("Specified topsrcdir ('${topsrcdir}') is not mozconfig topsrcdir ('${mozconfig.topsrcdir}')")