1 files changed, 278 insertions, 0 deletions
diff --git a/node_modules/shelljs/src/cp.js b/node_modules/shelljs/src/cp.js
new file mode 100644
index 000000000..04c4e57ef
--- /dev/null
+++ b/node_modules/shelljs/src/cp.js
@@ -0,0 +1,278 @@
+var fs = require('fs');
+var path = require('path');
+var common = require('./common');
+var os = require('os');
+
+common.register('cp', _cp, {
+  cmdOptions: {
+    'f': '!no_force',
+    'n': 'no_force',
+    'u': 'update',
+    'R': 'recursive',
+    'r': 'recursive',
+    'L': 'followsymlink',
+    'P': 'noFollowsymlink',
+  },
+  wrapOutput: false,
+});
+
+// Buffered file copy, synchronous
+// (Using readFileSync() + writeFileSync() could easily cause a memory overflow
+//  with large files)
+function copyFileSync(srcFile, destFile, options) {
+  if (!fs.existsSync(srcFile)) {
+    common.error('copyFileSync: no such file or directory: ' + srcFile);
+  }
+
+  // Check the mtimes of the files if the '-u' flag is provided
+  try {
+    if (options.update && fs.statSync(srcFile).mtime < fs.statSync(destFile).mtime) {
+      return;
+    }
+  } catch (e) {
+    // If we're here, destFile probably doesn't exist, so just do a normal copy
+  }
+
+  if (fs.lstatSync(srcFile).isSymbolicLink() && !options.followsymlink) {
+    try {
+      fs.lstatSync(destFile);
+      common.unlinkSync(destFile); // re-link it
+    } catch (e) {
+      // it doesn't exist, so no work needs to be done
+    }
+
+    var symlinkFull = fs.readlinkSync(srcFile);
+    fs.symlinkSync(symlinkFull, destFile, os.platform() === 'win32' ? 'junction' : null);
+  } else {
+    var BUF_LENGTH = 64 * 1024;
+    var buf = new Buffer(BUF_LENGTH);
+    var bytesRead = BUF_LENGTH;
+    var pos = 0;
+    var fdr = null;
+    var fdw = null;
+
+    try {
+      fdr = fs.openSync(srcFile, 'r');
+    } catch (e) {
+      /* istanbul ignore next */
+      common.error('copyFileSync: could not read src file (' + srcFile + ')');
+    }
+
+    try {
+      fdw = fs.openSync(destFile, 'w');
+    } catch (e) {
+      /* istanbul ignore next */
+      common.error('copyFileSync: could not write to dest file (code=' + e.code + '):' + destFile);
+    }
+
+    while (bytesRead === BUF_LENGTH) {
+      bytesRead = fs.readSync(fdr, buf, 0, BUF_LENGTH, pos);
+      fs.writeSync(fdw, buf, 0, bytesRead);
+      pos += bytesRead;
+    }
+
+    fs.closeSync(fdr);
+    fs.closeSync(fdw);
+
+    fs.chmodSync(destFile, fs.statSync(srcFile).mode);
+  }
+}
+
+// Recursively copies 'sourceDir' into 'destDir'
+// Adapted from https://github.com/ryanmcgrath/wrench-js
+//
+// Copyright (c) 2010 Ryan McGrath
+// Copyright (c) 2012 Artur Adib
+//
+// Licensed under the MIT License
+// http://www.opensource.org/licenses/mit-license.php
+function cpdirSyncRecursive(sourceDir, destDir, currentDepth, opts) {
+  if (!opts) opts = {};
+
+  // Ensure there is not a run away recursive copy
+  if (currentDepth >= common.config.maxdepth) return;
+  currentDepth++;
+
+  // Create the directory where all our junk is moving to; read the mode of the
+  // source directory and mirror it
+  try {
+    var checkDir = fs.statSync(sourceDir);
+    fs.mkdirSync(destDir, checkDir.mode);
+  } catch (e) {
+    // if the directory already exists, that's okay
+    if (e.code !== 'EEXIST') throw e;
+  }
+
+  var files = fs.readdirSync(sourceDir);
+
+  for (var i = 0; i < files.length; i++) {
+    var srcFile = sourceDir + '/' + files[i];
+    var destFile = destDir + '/' + files[i];
+    var srcFileStat = fs.lstatSync(srcFile);
+
+    var symlinkFull;
+    if (opts.followsymlink) {
+      if (cpcheckcycle(sourceDir, srcFile)) {
+        // Cycle link found.
+        console.error('Cycle link found.');
+        symlinkFull = fs.readlinkSync(srcFile);
+        fs.symlinkSync(symlinkFull, destFile, os.platform() === 'win32' ? 'junction' : null);
+        continue;
+      }
+    }
+    if (srcFileStat.isDirectory()) {
+      /* recursion this thing right on back. */
+      cpdirSyncRecursive(srcFile, destFile, currentDepth, opts);
+    } else if (srcFileStat.isSymbolicLink() && !opts.followsymlink) {
+      symlinkFull = fs.readlinkSync(srcFile);
+      try {
+        fs.lstatSync(destFile);
+        common.unlinkSync(destFile); // re-link it
+      } catch (e) {
+        // it doesn't exist, so no work needs to be done
+      }
+      fs.symlinkSync(symlinkFull, destFile, os.platform() === 'win32' ? 'junction' : null);
+    } else if (srcFileStat.isSymbolicLink() && opts.followsymlink) {
+      srcFileStat = fs.statSync(srcFile);
+      if (srcFileStat.isDirectory()) {
+        cpdirSyncRecursive(srcFile, destFile, currentDepth, opts);
+      } else {
+        copyFileSync(srcFile, destFile, opts);
+      }
+    } else {
+      /* At this point, we've hit a file actually worth copying... so copy it on over. */
+      if (fs.existsSync(destFile) && opts.no_force) {
+        common.log('skipping existing file: ' + files[i]);
+      } else {
+        copyFileSync(srcFile, destFile, opts);
+      }
+    }
+  } // for files
+} // cpdirSyncRecursive
+
+function cpcheckcycle(sourceDir, srcFile) {
+  var srcFileStat = fs.lstatSync(srcFile);
+  if (srcFileStat.isSymbolicLink()) {
+    // Do cycle check. For example:
+    //   $ mkdir -p 1/2/3/4
+    //   $ cd  1/2/3/4
+    //   $ ln -s ../../3 link
+    //   $ cd ../../../..
+    //   $ cp -RL 1 copy
+    var cyclecheck = fs.statSync(srcFile);
+    if (cyclecheck.isDirectory()) {
+      var sourcerealpath = fs.realpathSync(sourceDir);
+      var symlinkrealpath = fs.realpathSync(srcFile);
+      var re = new RegExp(symlinkrealpath);
+      if (re.test(sourcerealpath)) {
+        return true;
+      }
+    }
+  }
+  return false;
+}
+
+//@
+//@ ### cp([options,] source [, source ...], dest)
+//@ ### cp([options,] source_array, dest)
+//@ Available options:
+//@
+//@ + `-f`: force (default behavior)
+//@ + `-n`: no-clobber
+//@ + `-u`: only copy if source is newer than dest
+//@ + `-r`, `-R`: recursive
+//@ + `-L`: follow symlinks
+//@ + `-P`: don't follow symlinks
+//@
+//@ Examples:
+//@
+//@ ```javascript
+//@ cp('file1', 'dir1');
+//@ cp('-R', 'path/to/dir/', '~/newCopy/');
+//@ cp('-Rf', '/tmp/*', '/usr/local/*', '/home/tmp');
+//@ cp('-Rf', ['/tmp/*', '/usr/local/*'], '/home/tmp'); // same as above
+//@ ```
+//@
+//@ Copies files.
+function _cp(options, sources, dest) {
+  // If we're missing -R, it actually implies -L (unless -P is explicit)
+  if (options.followsymlink) {
+    options.noFollowsymlink = false;
+  }
+  if (!options.recursive && !options.noFollowsymlink) {
+    options.followsymlink = true;
+  }
+
+  // Get sources, dest
+  if (arguments.length < 3) {
+    common.error('missing <source> and/or <dest>');
+  } else {
+    sources = [].slice.call(arguments, 1, arguments.length - 1);
+    dest = arguments[arguments.length - 1];
+  }
+
+  var destExists = fs.existsSync(dest);
+  var destStat = destExists && fs.statSync(dest);
+
+  // Dest is not existing dir, but multiple sources given
+  if ((!destExists || !destStat.isDirectory()) && sources.length > 1) {
+    common.error('dest is not a directory (too many sources)');
+  }
+
+  // Dest is an existing file, but -n is given
+  if (destExists && destStat.isFile() && options.no_force) {
+    return new common.ShellString('', '', 0);
+  }
+
+  sources.forEach(function (src) {
+    if (!fs.existsSync(src)) {
+      common.error('no such file or directory: ' + src, { continue: true });
+      return; // skip file
+    }
+    var srcStat = fs.statSync(src);
+    if (!options.noFollowsymlink && srcStat.isDirectory()) {
+      if (!options.recursive) {
+        // Non-Recursive
+        common.error("omitting directory '" + src + "'", { continue: true });
+      } else {
+        // Recursive
+        // 'cp /a/source dest' should create 'source' in 'dest'
+        var newDest = (destStat && destStat.isDirectory()) ?
+            path.join(dest, path.basename(src)) :
+            dest;
+
+        try {
+          fs.statSync(path.dirname(dest));
+          cpdirSyncRecursive(src, newDest, 0, { no_force: options.no_force, followsymlink: options.followsymlink });
+        } catch (e) {
+          /* istanbul ignore next */
+          common.error("cannot create directory '" + dest + "': No such file or directory");
+        }
+      }
+    } else {
+      // If here, src is a file
+
+      // When copying to '/path/dir':
+      //    thisDest = '/path/dir/file1'
+      var thisDest = dest;
+      if (destStat && destStat.isDirectory()) {
+        thisDest = path.normalize(dest + '/' + path.basename(src));
+      }
+
+      if (fs.existsSync(thisDest) && options.no_force) {
+        return; // skip file
+      }
+
+      if (path.relative(src, thisDest) === '') {
+        // a file cannot be copied to itself, but we want to continue copying other files
+        common.error("'" + thisDest + "' and '" + src + "' are the same file", { continue: true });
+        return;
+      }
+
+      copyFileSync(src, thisDest, options);
+    }
+  }); // forEach(src)
+
+  return new common.ShellString('', common.state.error, common.state.errorCode);
+}
+module.exports = _cp;