NodeProcessBuilder.java 文件源码

/**
 * Prepares process builder for simple npm commands, e.g. "npm install" or "npm uninstall". Specific command should
 * be passed without surrounding spaces or or quotes.
 *
 * @param invokationPath
 *            location on which npm command should be invoked
 * @param packageName
 *            package passed as parameter to the command (might be space separated list of names)
 * @param save
 *            instructs npm to save command result to packages in package.json (if available)
 * @param simpleCommand
 *            command to execute
 * @return configured, operating system aware process builder for given command
 */
private ProcessBuilder simpleCall(File invokationPath, String packageName, boolean save, String simpleCommand) {
    Builder<String> builder = ImmutableList.<String> builder();
    NpmBinary npmBinary = npmBinaryProvider.get();
    String saveCommand = save ? NPM_OPTION_SAVE : "";

    if (isWindows()) {
        builder.add(WIN_SHELL_COMAMNDS);
        builder.add(escapeBinaryPath(npmBinary.getBinaryAbsolutePath()), simpleCommand, packageName, saveCommand);
    } else {
        builder.add(NIX_SHELL_COMAMNDS);
        builder.add(
                escapeBinaryPath(npmBinary.getBinaryAbsolutePath()) + " " + simpleCommand + " " + packageName + " "
                        + saveCommand);
    }

    return create(builder.build(), npmBinary, invokationPath, false);
}