add clonepath tool

src/clonepath.cpp

@@ -0,0 +1,54 @@
+/*
+   The MIT License (MIT)
+
+   Copyright (c) 2014 Antonio SJ Musumeci <trapexit@spawn.link>
+
+   Permission is hereby granted, free of charge, to any person obtaining a copy
+   of this software and associated documentation files (the "Software"), to deal
+   in the Software without restriction, including without limitation the rights
+   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+   copies of the Software, and to permit persons to whom the Software is
+   furnished to do so, subject to the following conditions:
+
+   The above copyright notice and this permission notice shall be included in
+   all copies or substantial portions of the Software.
+
+   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+   THE SOFTWARE.
+ */
+
+#include <unistd.h>
+
+#include <iostream>
+
+#include "fs.hpp"
+
+namespace clonepath
+{
+  static
+  void
+  print_usage_and__exit(void)
+  {
+    std::cerr << "usage: clonepath "
+              << "<sourcedir> <destdir> <relativepath>"
+              << std::endl;
+    _exit(1);
+  }
+
+  int
+  main(const int    argc,
+       char * const argv[])
+  {
+    if(argc != 4)
+      print_usage_and__exit();
+
+    return fs::clonepath(argv[1],
+                         argv[2],
+                         argv[3]);
+  }
+}