Program: 110633
Project: 110633
Buggy source:
@Override protected void addBuildVariables(RuleContext ruleContext,Variables.Builder variables) throws RuleErrorException {
  AppleConfiguration appleConfiguration=ruleContext.getFragment(AppleConfiguration.class);
  if (XcodeConfig.getXcodeVersion(ruleContext) == null) {
    ruleContext.throwWithRuleError("String_Node_Str");
  }
  ApplePlatform platform=appleConfiguration.getSingleArchPlatform();
  Map<String,String> appleEnv=getEnvironmentBuildVariables(ruleContext);
  variables.addStringVariable(XCODE_VERSION_KEY,XcodeConfig.getXcodeVersion(ruleContext).toStringWithMinimumComponents(2)).addStringVariable(IOS_SDK_VERSION_KEY,XcodeConfig.getSdkVersionForPlatform(ruleContext,ApplePlatform.IOS_SIMULATOR).toStringWithMinimumComponents(2)).addStringVariable(MACOS_SDK_VERSION_KEY,XcodeConfig.getSdkVersionForPlatform(ruleContext,ApplePlatform.MACOS).toStringWithMinimumComponents(2)).addStringVariable(TVOS_SDK_VERSION_KEY,XcodeConfig.getSdkVersionForPlatform(ruleContext,ApplePlatform.TVOS_SIMULATOR).toStringWithMinimumComponents(2)).addStringVariable(WATCHOS_SDK_VERSION_KEY,XcodeConfig.getSdkVersionForPlatform(ruleContext,ApplePlatform.WATCHOS_SIMULATOR).toStringWithMinimumComponents(2)).addStringVariable(SDK_DIR_KEY,AppleToolchain.sdkDir()).addStringVariable(SDK_FRAMEWORK_DIR_KEY,AppleToolchain.sdkFrameworkDir(platform,ruleContext)).addStringVariable(PLATFORM_DEVELOPER_FRAMEWORK_DIR,AppleToolchain.platformDeveloperFrameworkDir(appleConfiguration)).addStringVariable(XCODE_VERISON_OVERRIDE_VALUE_KEY,appleEnv.getOrDefault(AppleConfiguration.XCODE_VERSION_ENV_NAME,"String_Node_Str")).addStringVariable(APPLE_SDK_VERSION_OVERRIDE_VALUE_KEY,appleEnv.getOrDefault(AppleConfiguration.APPLE_SDK_VERSION_ENV_NAME,"String_Node_Str")).addStringVariable(APPLE_SDK_PLATFORM_VALUE_KEY,appleEnv.getOrDefault(AppleConfiguration.APPLE_SDK_PLATFORM_ENV_NAME,"String_Node_Str")).addStringVariable(VERSION_MIN_KEY,XcodeConfig.getMinimumOsForPlatformType(ruleContext,platform.getType()).toString());
}

Fixed version (ground truth):
@Override protected void addBuildVariables(RuleContext ruleContext,Variables.Builder variables) throws RuleErrorException {
  AppleConfiguration appleConfiguration=ruleContext.getFragment(AppleConfiguration.class);
  if (XcodeConfig.getXcodeVersion(ruleContext) == null) {
    ruleContext.throwWithRuleError("String_Node_Str" + "String_Node_Str");
  }
  ApplePlatform platform=appleConfiguration.getSingleArchPlatform();
  Map<String,String> appleEnv=getEnvironmentBuildVariables(ruleContext);
  variables.addStringVariable(XCODE_VERSION_KEY,XcodeConfig.getXcodeVersion(ruleContext).toStringWithMinimumComponents(2)).addStringVariable(IOS_SDK_VERSION_KEY,XcodeConfig.getSdkVersionForPlatform(ruleContext,ApplePlatform.IOS_SIMULATOR).toStringWithMinimumComponents(2)).addStringVariable(MACOS_SDK_VERSION_KEY,XcodeConfig.getSdkVersionForPlatform(ruleContext,ApplePlatform.MACOS).toStringWithMinimumComponents(2)).addStringVariable(TVOS_SDK_VERSION_KEY,XcodeConfig.getSdkVersionForPlatform(ruleContext,ApplePlatform.TVOS_SIMULATOR).toStringWithMinimumComponents(2)).addStringVariable(WATCHOS_SDK_VERSION_KEY,XcodeConfig.getSdkVersionForPlatform(ruleContext,ApplePlatform.WATCHOS_SIMULATOR).toStringWithMinimumComponents(2)).addStringVariable(SDK_DIR_KEY,AppleToolchain.sdkDir()).addStringVariable(SDK_FRAMEWORK_DIR_KEY,AppleToolchain.sdkFrameworkDir(platform,ruleContext)).addStringVariable(PLATFORM_DEVELOPER_FRAMEWORK_DIR,AppleToolchain.platformDeveloperFrameworkDir(appleConfiguration)).addStringVariable(XCODE_VERISON_OVERRIDE_VALUE_KEY,appleEnv.getOrDefault(AppleConfiguration.XCODE_VERSION_ENV_NAME,"String_Node_Str")).addStringVariable(APPLE_SDK_VERSION_OVERRIDE_VALUE_KEY,appleEnv.getOrDefault(AppleConfiguration.APPLE_SDK_VERSION_ENV_NAME,"String_Node_Str")).addStringVariable(APPLE_SDK_PLATFORM_VALUE_KEY,appleEnv.getOrDefault(AppleConfiguration.APPLE_SDK_PLATFORM_ENV_NAME,"String_Node_Str")).addStringVariable(VERSION_MIN_KEY,XcodeConfig.getMinimumOsForPlatformType(ruleContext,platform.getType()).toString());
}