fix release builds by renaming .env.prod to .env.release

This way the nix expression in nix/mobile/android/targets/release-android.nix will not fail.
And the naming of build types and `.env.${type}` files will be more consistent.

Signed-off-by: Jakub Sokołowski <jakub@status.im>

ci/utils.groovy

@@ -168,15 +168,12 @@ def changeId() {
 }
 
 def updateEnv(type) {
-  def envFile = "${env.WORKSPACE}/.env"
+  def envFile = "${env.WORKSPACE}/.env.jenkins"
   /* select .env based on type of build */
-  def selectedEnv = '.env.jenkins'
-  switch (type) {
-    case 'nightly': selectedEnv = '.env.nightly'; break
-    case 'release': selectedEnv = '.env.prod';    break
-    case 'e2e':     selectedEnv = '.env.e2e';     break
+  if (['nightly', 'release', 'e2e'].contains(type)) {
+    envFile = "${env.WORKSPACE}/.env.${type}"
   }
-  sh "cp ${selectedEnv} .env"
+  sh "ln -sf ${envFile} .env"
   /* find a list of .env settings to check for them in params */
   def envContents = readFile(envFile)
   def envLines = envContents.split()

fastlane/Fastfile

@@ -256,7 +256,7 @@ platform :ios do
 
   desc "`fastlane ios saucelabs` - upload .app to sauce labs"
   desc "also notifies in a GitHub comments"
-  desc "expects to have an .apk prepared: `android/app/build/outputs/apk/release/app-release.apk`"
+  desc "expects to have an .apk prepared: `android/result/app.apk`"
   desc "expects to have a saucelabs access key as SAUCE_ACCESS_KEY env variable"
   desc "expects to have a saucelabs username token as SAUCE_USERNAME env variable"
   desc "expects to have a saucelabs destination name as SAUCE_LABS_NAME env variable"
@@ -276,7 +276,7 @@ end
 
 platform :android do
   # Optional env variables
-  APK_PATH = ENV["APK_PATH"] || "android/app/build/outputs/apk/release/app-release.apk"
+  APK_PATH = ENV["APK_PATH"] || "android/result/app.apk"
 
   desc "Deploy a new internal build to Google Play"
   desc "expects GOOGLE_PLAY_JSON_KEY environment variable"
@@ -311,7 +311,7 @@ platform :android do
   end
 
   desc "`fastlane android upload_diawi` - upload .apk to diawi"
-  desc "expects to have an .apk prepared: `android/app/build/outputs/apk/release/app-release.apk`"
+  desc "expects to have an .apk prepared: `android/result/app.apk`"
   desc "expects to have a diawi token as DIAWI_TOKEN env variable"
   desc "expects to have a github token as GITHUB_TOKEN env variable"
   desc "will fails if file isn't there"
@@ -322,7 +322,7 @@ platform :android do
   end
 
   desc "`fastlane android saucelabs` - upload .apk to sauce labs"
-  desc "expects to have an .apk prepared: `android/app/build/outputs/apk/release/app-release.apk`"
+  desc "expects to have an .apk prepared: `android/result/app.apk`"
   desc "expects to have a saucelabs access key as SAUCE_ACCESS_KEY env variable"
   desc "expects to have a saucelabs username token as SAUCE_USERNAME env variable"
   desc "expects to have a saucelabs destination name as SAUCE_LABS_NAME env variable"