1 files changed, 99 insertions, 0 deletions
diff --git a/node_modules/shelljs/src/mv.js b/node_modules/shelljs/src/mv.js
new file mode 100644
index 000000000..7fc7cf04c
--- /dev/null
+++ b/node_modules/shelljs/src/mv.js
@@ -0,0 +1,99 @@
+var fs = require('fs');
+var path = require('path');
+var common = require('./common');
+var cp = require('./cp');
+var rm = require('./rm');
+
+common.register('mv', _mv, {
+  cmdOptions: {
+    'f': '!no_force',
+    'n': 'no_force',
+  },
+});
+
+//@
+//@ ### mv([options ,] source [, source ...], dest')
+//@ ### mv([options ,] source_array, dest')
+//@ Available options:
+//@
+//@ + `-f`: force (default behavior)
+//@ + `-n`: no-clobber
+//@
+//@ Examples:
+//@
+//@ ```javascript
+//@ mv('-n', 'file', 'dir/');
+//@ mv('file1', 'file2', 'dir/');
+//@ mv(['file1', 'file2'], 'dir/'); // same as above
+//@ ```
+//@
+//@ Moves files.
+function _mv(options, sources, dest) {
+  // 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 {
+    // TODO(nate): figure out if we actually need this line
+    common.error('invalid arguments');
+  }
+
+  var exists = fs.existsSync(dest);
+  var 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.no_force) {
+    common.error('dest file already exists: ' + dest);
+  }
+
+  sources.forEach(function (src) {
+    if (!fs.existsSync(src)) {
+      common.error('no such file or directory: ' + src, { continue: true });
+      return; // skip file
+    }
+
+    // If here, src exists
+
+    // 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.no_force) {
+      common.error('dest file already exists: ' + thisDest, { continue: true });
+      return; // skip file
+    }
+
+    if (path.resolve(src) === path.dirname(path.resolve(thisDest))) {
+      common.error('cannot move to self: ' + src, { continue: true });
+      return; // skip file
+    }
+
+    try {
+      fs.renameSync(src, thisDest);
+    } catch (e) {
+      /* istanbul ignore next */
+      if (e.code === 'EXDEV') {
+        // If we're trying to `mv` to an external partition, we'll actually need
+        // to perform a copy and then clean up the original file. If either the
+        // copy or the rm fails with an exception, we should allow this
+        // exception to pass up to the top level.
+        cp('-r', src, thisDest);
+        rm('-rf', src);
+      }
+    }
+  }); // forEach(src)
+  return '';
+} // mv
+module.exports = _mv;