Add a release fork build

app/build.gradle

@@ -109,6 +109,16 @@ android {
             resValue "bool", "IS_DEBUG", "true"
             pseudoLocalesEnabled true
         }
+        forkRelease releaseTemplate >> {
+            buildConfigField "boolean", "USE_RELEASE_VERSIONING", "true"
+            applicationIdSuffix ".firefox"
+            def deepLinkSchemeValue = "fenix"
+            buildConfigField "String", "DEEP_LINK_SCHEME", "\"$deepLinkSchemeValue\""
+            manifestPlaceholders = [
+                    "deepLinkScheme": deepLinkSchemeValue
+            ]
+        }
+        
     }
 
     aaptOptions {
@@ -152,6 +162,10 @@ android {
         forkDebug {
             java.srcDirs = ['src/geckoNightly/java']
         }
+        forkRelease {
+            // No migration needed for fork
+            java.srcDirs = ['src/geckoRelease/java']
+        }
     }
 
     splits {
@@ -331,6 +345,7 @@ dependencies {
     nightlyImplementation Deps.mozilla_browser_engine_gecko_nightly
     betaImplementation Deps.mozilla_browser_engine_gecko_beta
     releaseImplementation Deps.mozilla_browser_engine_gecko_release
+    forkReleaseImplementation Deps.mozilla_browser_engine_gecko_release
 
     implementation Deps.kotlin_stdlib
     implementation Deps.kotlin_coroutines

app/src/main/java/org/mozilla/fenix/Config.kt

@@ -9,7 +9,8 @@ enum class ReleaseChannel {
     ForkDebug,
     Nightly,
     Beta,
-    Release;
+    Release,
+    ForkRelease;
 
     val isReleased: Boolean
         get() = when (this) {
@@ -29,11 +30,12 @@ enum class ReleaseChannel {
         get() = !this.isReleased
 
     val isReleaseOrBeta: Boolean
-        get() = this == Release || this == Beta
+        get() = this == Release || this == Beta || this == ForkRelease
 
     val isRelease: Boolean
         get() = when (this) {
             Release -> true
+            ForkRelease -> true
             else -> false
         }
 
@@ -63,6 +65,7 @@ object Config {
         "beta" -> ReleaseChannel.Beta
         "release" -> ReleaseChannel.Release
         "forkDebug" -> ReleaseChannel.ForkDebug
+        "forkRelease" -> ReleaseChannel.ForkRelease
         else -> {
             throw IllegalStateException("Unknown build type: ${BuildConfig.BUILD_TYPE}")
         }