public rename(): void {
   if (this.isInGitRepo()) {
     execSync(`git mv '${this.fromFullpath}' '${this.toFullpath}'`)
   } else {
     mv(this.fromFullpath, this.toFullpath)
   }
 }

 writeFile(file: FileInfo): void {
   mkdir('-p', dirname(file.path));
   const backPath = file.path + '.bak';
   if (existsSync(file.path) && !existsSync(backPath)) {
     mv(file.path, backPath);
   }
   writeFileSync(file.path, file.contents, 'utf8');
 }

 renameFiles.forEach(function(files) {
   // Files[0] is the current filename
   // Files[1] is the new name
   let newFilename = files[1].replace(/--libraryname--/g, libraryName)
   mv(
     path.resolve(__dirname, "..", files[0]),
     path.resolve(__dirname, "..", newFilename)
   )
   console.log(colors.cyan(files[0] + " => " + newFilename))
 })

 protected writeFileAndBackup(file: FileInfo): void {
   mkdir('-p', dirname(file.path));
   const backPath = file.path + '.__ivy_ngcc_bak';
   if (existsSync(backPath)) {
     throw new Error(
         `Tried to overwrite ${backPath} with an ngcc back up file, which is disallowed.`);
   }
   if (existsSync(file.path)) {
     mv(file.path, backPath);
   }
   writeFileSync(file.path, file.contents, 'utf8');
 }

	constructor($errors: IErrors,
		$staticConfig: IStaticConfig,
		$hostInfo: IHostInfo) {
		super({
			ipa: { type: OptionType.String },
			frameworkPath: { type: OptionType.String },
			frameworkName: { type: OptionType.String },
			framework: { type: OptionType.String },
			frameworkVersion: { type: OptionType.String },
			copyFrom: { type: OptionType.String },
			linkTo: { type: OptionType.String  },
			symlink: { type: OptionType.Boolean },
			forDevice: { type: OptionType.Boolean },
			client: { type: OptionType.Boolean, default: true},
			production: { type: OptionType.Boolean },
			debugTransport: {type: OptionType.Boolean},
			keyStorePath: { type: OptionType.String },
			keyStorePassword: { type: OptionType.String,},
			keyStoreAlias: { type: OptionType.String },
			keyStoreAliasPassword: { type: OptionType.String },
			ignoreScripts: {type: OptionType.Boolean },
			tnsModulesVersion: { type: OptionType.String },
			compileSdk: {type: OptionType.Number },
			port: { type: OptionType.Number },
			copyTo: { type: OptionType.String },
			baseConfig: { type: OptionType.String },
			platformTemplate: { type: OptionType.String },
			ng: {type: OptionType.Boolean },
			tsc: {type: OptionType.Boolean },
			bundle: {type: OptionType.Boolean },
			all: {type: OptionType.Boolean },
			teamId: { type: OptionType.String }
		},
		path.join($hostInfo.isWindows ? process.env.AppData : path.join(osenv.home(), ".local/share"), ".nativescript-cli"),
			$errors, $staticConfig);

		// On Windows we moved settings from LocalAppData to AppData. Move the existing file to keep the existing settings
		// I guess we can remove this code after some grace period, say after 1.7 is out
		if ($hostInfo.isWindows) {
			try {
				let shelljs = require("shelljs"),
					oldSettings = path.join(process.env.LocalAppData, ".nativescript-cli", "user-settings.json"),
					newSettings = path.join(process.env.AppData, ".nativescript-cli", "user-settings.json");
				if (shelljs.test("-e", oldSettings) && !shelljs.test("-e", newSettings)) {
					shelljs.mkdir(path.join(process.env.AppData, ".nativescript-cli"));
					shelljs.mv(oldSettings, newSettings);
				}
			} catch (err) {
				// ignore the error - it is too early to use $logger here
			}
		}
	}

 function copyFile(file: string, baseDir: string, relative = '.') {
   const dir = path.join(baseDir, relative);
   shx.mkdir('-p', dir);
   shx.cp(file, dir);
   // Double-underscore is used to escape forward slash in FESM filenames.
   // See ng_package.bzl:
   //   fesm_output_filename = entry_point.replace("/", "__")
   // We need to unescape these.
   if (file.indexOf('__') >= 0) {
     const outputPath = path.join(dir, ...path.basename(file).split('__'));
     shx.mkdir('-p', path.dirname(outputPath));
     shx.mv(path.join(dir, path.basename(file)), outputPath);
   }
 }

 function writeFesm(file: string, baseDir: string) {
   const parts = path.basename(file).split('__');
   const entryPointName = parts.join('/').replace(/\..*/, '');
   if (primaryEntryPoint === null || primaryEntryPoint === entryPointName) {
     primaryEntryPoint = entryPointName;
   } else {
     secondaryEntryPoints.add(entryPointName);
   }
   const filename = parts.splice(-1)[0];
   const dir = path.join(baseDir, ...parts);
   shx.mkdir('-p', dir);
   shx.cp(file, dir);
   shx.mv(path.join(dir, path.basename(file)), path.join(dir, filename));
 }

  function copyFile(file: string, baseDir: string, relative = '.') {
    const dir = path.join(baseDir, relative);
    shx.mkdir('-p', dir);
    shx.cp(file, dir);
    // Double-underscore is used to escape forward slash in FESM filenames.
    // See ng_package.bzl:
    //   fesm_output_filename = entry_point.replace("/", "__")
    // We need to unescape these.
    if (file.indexOf('__') >= 0) {
      const outputPath = path.join(dir, ...path.basename(file).split('__'));
      shx.mkdir('-p', path.dirname(outputPath));
      shx.mv(path.join(dir, path.basename(file)), outputPath);

      // if we are renaming the .js file, we'll also need to update the sourceMappingURL in the file
      if (file.endsWith('.js')) {
        shx.chmod('+w', outputPath);
        shx.sed('-i', `${path.basename(file)}.map`, `${path.basename(outputPath)}.map`, outputPath);
      }
    }
  }

then(() => shell.mv(otherVisPrDir, targetVisPrDir)).

then(() => shell.mv(oldPrDir, newPrDir)).

 moveFile(from: AbsoluteFsPath, to: AbsoluteFsPath): void { mv(from, to); }