chore: add DISABLE_RNREPO support to CI build configurations in Podfile and Gradle files

Author: radoslawrolka

FabricExample/android/app/build.gradle

@@ -2,9 +2,19 @@ apply plugin: "com.android.application"
 apply plugin: "org.jetbrains.kotlin.android"
 apply plugin: "com.facebook.react"
 
-// Use RNRepo in CI builds
-if (["1", "true"].contains(System.getenv("CI"))) {
-  apply plugin: "org.rnrepo.tools.prebuilds-plugin"
+def isCIEnabled() {
+    return ["1", "true"].contains(System.getenv("CI")?.toLowerCase())
+}
+
+// System.setProperty("DISABLE_RNREPO", "1") // Uncomment to disable RNRepo even in CI
+def isRNRepoEnabled() {
+    return System.getenv("DISABLE_RNREPO") == null
+}
+
+// Use RNRepo in CI builds. 
+// Set DISABLE_RNREPO to any value to disable RNRepo.
+if (isCIEnabled() && isRNRepoEnabled()) {
+    apply plugin: "org.rnrepo.tools.prebuilds-plugin"
 }
 
 /**

FabricExample/android/build.gradle

@@ -1,3 +1,15 @@
+// RNRepo plugin classpath for CI builds (plugin applied in app/build.gradle).
+// To disable RNRepo support, set DISABLE_RNREPO environment variable to ANY value.
+def rnrepoClasspath() {
+    def rnrepoDir = new File(
+        providers.exec {
+            workingDir(rootDir)
+            commandLine("node", "--print", "require.resolve('@rnrepo/build-tools/package.json')")
+        }.standardOutput.asText.get().trim()
+    ).getParentFile().absolutePath
+    return fileTree(dir: "${rnrepoDir}/gradle-plugin/build/libs", include: ["prebuilds-plugin.jar"])
+}
+
 buildscript {
     ext {
         buildToolsVersion = "36.0.0"
@@ -15,14 +27,7 @@ buildscript {
         classpath("com.android.tools.build:gradle")
         classpath("com.facebook.react:react-native-gradle-plugin")
         classpath("org.jetbrains.kotlin:kotlin-gradle-plugin")
-        // RNRepo plugin in CI builds (plugin applied in app/build.gradle)
-        def rnrepoDir = new File(
-            providers.exec {
-                workingDir(rootDir)
-                commandLine("node", "--print", "require.resolve('@rnrepo/build-tools/package.json')")
-            }.standardOutput.asText.get().trim()
-        ).getParentFile().absolutePath
-        classpath fileTree(dir: "${rnrepoDir}/gradle-plugin/build/libs", include: ["prebuilds-plugin.jar"])
+        classpath rnrepoClasspath()
     }
 }
 

FabricExample/ios/Podfile

@@ -5,8 +5,17 @@ require Pod::Executable.execute_command('node', ['-p',
     {paths: [process.argv[1]]},
   )', __dir__]).strip
 
-# Use RNRepo in CI builds
-if %w[1 true].include?(ENV['CI'].to_s.downcase)
+def is_ci_enabled?
+  %w[1 true].include?(ENV['CI'].to_s.downcase)
+end
+
+# ENV['DISABLE_RNREPO'] = "1" # Uncomment to disable RNRepo even in CI
+def is_rnrepo_enabled?
+  ENV['DISABLE_RNREPO'].nil?
+end
+
+# Use RNRepo in CI builds. Set DISABLE_RNREPO to any value to disable RNRepo.
+if is_ci_enabled? && is_rnrepo_enabled?
   require Pod::Executable.execute_command('node', ['-p',
     'require.resolve(
       "@rnrepo/build-tools/cocoapods-plugin/lib/plugin.rb",
@@ -39,7 +48,7 @@ target 'FabricExample' do
   )
 
   post_install do |installer|
-    if %w[1 true].include?(ENV['CI'].to_s.downcase)
+    if is_ci_enabled? && is_rnrepo_enabled?
       rnrepo_post_install(installer)
     end
     react_native_post_install(