Consume different tool-cache

node_modules/shelljs/src/cp.js

@@ -0,0 +1,201 @@
+var fs = require('fs');
+var path = require('path');
+var common = require('./common');
+var os = require('os');
+
+// Buffered file copy, synchronous
+// (Using readFileSync() + writeFileSync() could easily cause a memory overflow
+//  with large files)
+function copyFileSync(srcFile, destFile) {
+  if (!fs.existsSync(srcFile))
+    common.error('copyFileSync: no such file or directory: ' + srcFile);
+
+  var BUF_LENGTH = 64*1024,
+      buf = new Buffer(BUF_LENGTH),
+      bytesRead = BUF_LENGTH,
+      pos = 0,
+      fdr = null,
+      fdw = null;
+
+  try {
+    fdr = fs.openSync(srcFile, 'r');
+  } catch(e) {
+    common.error('copyFileSync: could not read src file ('+srcFile+')');
+  }
+
+  try {
+    fdw = fs.openSync(destFile, 'w');
+  } catch(e) {
+    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, opts) {
+  if (!opts) opts = {};
+
+  /* Create the directory where all our junk is moving to; read the mode of the source directory and mirror it */
+  var checkDir = fs.statSync(sourceDir);
+  try {
+    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);
+
+    if (srcFileStat.isDirectory()) {
+      /* recursion this thing right on back. */
+      cpdirSyncRecursive(srcFile, destFile, opts);
+    } else if (srcFileStat.isSymbolicLink()) {
+      var symlinkFull = fs.readlinkSync(srcFile);
+      fs.symlinkSync(symlinkFull, destFile, os.platform() === "win32" ? "junction" : null);
+    } else {
+      /* At this point, we've hit a file actually worth copying... so copy it on over. */
+      if (fs.existsSync(destFile) && !opts.force) {
+        common.log('skipping existing file: ' + files[i]);
+      } else {
+        copyFileSync(srcFile, destFile);
+      }
+    }
+
+  } // for files
+} // cpdirSyncRecursive
+
+
+//@
+//@ ### cp([options ,] source [,source ...], dest)
+//@ ### cp([options ,] source_array, dest)
+//@ Available options:
+//@
+//@ + `-f`: force
+//@ + `-r, -R`: recursive
+//@
+//@ Examples:
+//@
+//@ ```javascript
+//@ cp('file1', 'dir1');
+//@ cp('-Rf', '/tmp/*', '/usr/local/*', '/home/tmp');
+//@ cp('-Rf', ['/tmp/*', '/usr/local/*'], '/home/tmp'); // same as above
+//@ ```
+//@
+//@ Copies files. The wildcard `*` is accepted.
+function _cp(options, sources, dest) {
+  options = common.parseOptions(options, {
+    'f': 'force',
+    'R': 'recursive',
+    'r': 'recursive'
+  });
+
+  // Get sources, dest
+  if (arguments.length < 3) {
+    common.error('missing <source> and/or <dest>');
+  } else if (arguments.length > 3) {
+    sources = [].slice.call(arguments, 1, arguments.length - 1);
+    dest = arguments[arguments.length - 1];
+  } else if (typeof sources === 'string') {
+    sources = [sources];
+  } else if ('length' in sources) {
+    sources = sources; // no-op for array
+  } else {
+    common.error('invalid arguments');
+  }
+
+  var exists = fs.existsSync(dest),
+      stats = exists && fs.statSync(dest);
+
+  // Dest is not existing dir, but multiple sources given
+  if ((!exists || !stats.isDirectory()) && sources.length > 1)
+    common.error('dest is not a directory (too many sources)');
+
+  // Dest is an existing file, but no -f given
+  if (exists && stats.isFile() && !options.force)
+    common.error('dest file already exists: ' + dest);
+
+  if (options.recursive) {
+    // Recursive allows the shortcut syntax "sourcedir/" for "sourcedir/*"
+    // (see Github issue #15)
+    sources.forEach(function(src, i) {
+      if (src[src.length - 1] === '/')
+        sources[i] += '*';
+    });
+
+    // Create dest
+    try {
+      fs.mkdirSync(dest, parseInt('0777', 8));
+    } catch (e) {
+      // like Unix's cp, keep going even if we can't create dest dir
+    }
+  }
+
+  sources = common.expand(sources);
+
+  sources.forEach(function(src) {
+    if (!fs.existsSync(src)) {
+      common.error('no such file or directory: '+src, true);
+      return; // skip file
+    }
+
+    // If here, src exists
+    if (fs.statSync(src).isDirectory()) {
+      if (!options.recursive) {
+        // Non-Recursive
+        common.log(src + ' is a directory (not copied)');
+      } else {
+        // Recursive
+        // 'cp /a/source dest' should create 'source' in 'dest'
+        var newDest = path.join(dest, path.basename(src)),
+            checkDir = fs.statSync(src);
+        try {
+          fs.mkdirSync(newDest, checkDir.mode);
+        } catch (e) {
+          //if the directory already exists, that's okay
+          if (e.code !== 'EEXIST') throw e;
+        }
+
+        cpdirSyncRecursive(src, newDest, {force: options.force});
+      }
+      return; // done with dir
+    }
+
+    // If here, src is a file
+
+    // When copying to '/path/dir':
+    //    thisDest = '/path/dir/file1'
+    var thisDest = dest;
+    if (fs.existsSync(dest) && fs.statSync(dest).isDirectory())
+      thisDest = path.normalize(dest + '/' + path.basename(src));
+
+    if (fs.existsSync(thisDest) && !options.force) {
+      common.error('dest file already exists: ' + thisDest, true);
+      return; // skip file
+    }
+
+    copyFileSync(src, thisDest);
+  }); // forEach(src)
+}
+module.exports = _cp;