summaryrefslogtreecommitdiff
path: root/deps/npm/node_modules/update-notifier/node_modules/boxen/node_modules/term-size/node_modules/execa/node_modules/cross-spawn-async/lib/parse.js
diff options
context:
space:
mode:
Diffstat (limited to 'deps/npm/node_modules/update-notifier/node_modules/boxen/node_modules/term-size/node_modules/execa/node_modules/cross-spawn-async/lib/parse.js')
-rw-r--r--deps/npm/node_modules/update-notifier/node_modules/boxen/node_modules/term-size/node_modules/execa/node_modules/cross-spawn-async/lib/parse.js128
1 files changed, 0 insertions, 128 deletions
diff --git a/deps/npm/node_modules/update-notifier/node_modules/boxen/node_modules/term-size/node_modules/execa/node_modules/cross-spawn-async/lib/parse.js b/deps/npm/node_modules/update-notifier/node_modules/boxen/node_modules/term-size/node_modules/execa/node_modules/cross-spawn-async/lib/parse.js
deleted file mode 100644
index 923e05e7af..0000000000
--- a/deps/npm/node_modules/update-notifier/node_modules/boxen/node_modules/term-size/node_modules/execa/node_modules/cross-spawn-async/lib/parse.js
+++ /dev/null
@@ -1,128 +0,0 @@
-'use strict';
-
-var fs = require('fs');
-var LRU = require('lru-cache');
-var resolveCommand = require('./resolveCommand');
-
-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 parse(command, args, options) {
- var shebang;
- var applyQuotes;
- var file;
- var original;
-
- // 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);
-
- if (shebang) {
- args.unshift(file);
- command = shebang;
- }
-
- // 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;