1 files changed, 140 insertions, 0 deletions
diff --git a/deps/npm/node_modules/libnpx/node_modules/yargs/node_modules/os-locale/node_modules/execa/node_modules/cross-spawn/lib/parse.js b/deps/npm/node_modules/libnpx/node_modules/yargs/node_modules/os-locale/node_modules/execa/node_modules/cross-spawn/lib/parse.js
new file mode 100644
index 0000000000..77cbb83d2d
--- /dev/null
+++ b/deps/npm/node_modules/libnpx/node_modules/yargs/node_modules/os-locale/node_modules/execa/node_modules/cross-spawn/lib/parse.js
@@ -0,0 +1,140 @@
+'use strict';
+
+var fs = require('fs');
+var LRU = require('lru-cache');
+var resolveCommand = require('./resolveCommand');
+var hasBrokenSpawn = require('./hasBrokenSpawn');
+
+var isWin = process.platform === 'win32';
+var shebangCache = new LRU({ max: 50, maxAge: 30 * 1000 });  // Cache just for 30sec
+
+function readShebang(command) {
+    var buffer;
+    var fd;
+    var match;
+    var shebang;
+
+    // Check if it is in the cache first
+    if (shebangCache.has(command)) {
+        return shebangCache.get(command);
+    }
+
+    // Read the first 150 bytes from the file
+    buffer = new Buffer(150);
+
+    try {
+        fd = fs.openSync(command, 'r');
+        fs.readSync(fd, buffer, 0, 150, 0);
+        fs.closeSync(fd);
+    } catch (e) { /* empty */ }
+
+    // Check if it is a shebang
+    match = buffer.toString().trim().match(/#!(.+)/i);
+
+    if (match) {
+        shebang = match[1].replace(/\/usr\/bin\/env\s+/i, '');   // Remove /usr/bin/env
+    }
+
+    // Store the shebang in the cache
+    shebangCache.set(command, shebang);
+
+    return shebang;
+}
+
+function escapeArg(arg, quote) {
+    // Convert to string
+    arg = '' + arg;
+
+    // If we are not going to quote the argument,
+    // escape shell metacharacters, including double and single quotes:
+    if (!quote) {
+        arg = arg.replace(/([\(\)%!\^<>&|;,"'\s])/g, '^$1');
+    } else {
+        // Sequence of backslashes followed by a double quote:
+        // double up all the backslashes and escape the double quote
+        arg = arg.replace(/(\\*)"/g, '$1$1\\"');
+
+        // Sequence of backslashes followed by the end of the string
+        // (which will become a double quote later):
+        // double up all the backslashes
+        arg = arg.replace(/(\\*)$/, '$1$1');
+
+        // All other backslashes occur literally
+
+        // Quote the whole thing:
+        arg = '"' + arg + '"';
+    }
+
+    return arg;
+}
+
+function escapeCommand(command) {
+    // Do not escape if this command is not dangerous..
+    // We do this so that commands like "echo" or "ifconfig" work
+    // Quoting them, will make them unaccessible
+    return /^[a-z0-9_-]+$/i.test(command) ? command : escapeArg(command, true);
+}
+
+function requiresShell(command) {
+    return !/\.(?:com|exe)$/i.test(command);
+}
+
+function parse(command, args, options) {
+    var shebang;
+    var applyQuotes;
+    var file;
+    var original;
+    var shell;
+
+    // Normalize arguments, similar to nodejs
+    if (args && !Array.isArray(args)) {
+        options = args;
+        args = null;
+    }
+
+    args = args ? args.slice(0) : [];  // Clone array to avoid changing the original
+    options = options || {};
+    original = command;
+
+    if (isWin) {
+        // Detect & add support for shebangs
+        file = resolveCommand(command);
+        file = file || resolveCommand(command, true);
+        shebang = file && readShebang(file);
+        shell = options.shell || hasBrokenSpawn;
+
+        if (shebang) {
+            args.unshift(file);
+            command = shebang;
+            shell = shell || requiresShell(resolveCommand(shebang) || resolveCommand(shebang, true));
+        } else {
+            shell = shell || requiresShell(file);
+        }
+
+        if (shell) {
+            // Escape command & arguments
+            applyQuotes = (command !== 'echo');  // Do not quote arguments for the special "echo" command
+            command = escapeCommand(command);
+            args = args.map(function (arg) {
+                return escapeArg(arg, applyQuotes);
+            });
+
+            // Use cmd.exe
+            args = ['/s', '/c', '"' + command + (args.length ? ' ' + args.join(' ') : '') + '"'];
+            command = process.env.comspec || 'cmd.exe';
+
+            // Tell node's spawn that the arguments are already escaped
+            options.windowsVerbatimArguments = true;
+        }
+    }
+
+    return {
+        command: command,
+        args: args,
+        options: options,
+        file: file,
+        original: original,
+    };
+}
+
+module.exports = parse;