Fix binary-sizes.py script

A while back we removed the nitrocli/ directory in the repository root.
Unfortunately, we missed that the binary-sizes.py script relied on the
previous directory structure. This change adjusts the script to work
with the new structure.

var/binary-size.py

@@ -1,7 +1,7 @@
 #!/usr/bin/python3 -B
 
 #/***************************************************************************
-# * Copyright (C) 2019 Daniel Mueller ([email protected])  *
+# * Copyright (C) 2019-2020 Daniel Mueller ([email protected]) *
 # * *
 # * This program is free software: you can redistribute it and/or modify *
 # * it under the terms of the GNU General Public License as published by *
@@ -86,9 +86,8 @@ def resolveCommit(commit):
 def determineSizeAt(root, rev):
  """Determine the size of the nitrocli release build binary at the given git revision."""
  sha1 = resolveCommit(rev)
- with TemporaryDirectory() as d:
- cwd = join(d, "nitrocli")
- check_call(["git", "clone", root, d])
+ with TemporaryDirectory() as cwd:
+ check_call(["git", "clone", root, cwd])
  check_call(["git", "checkout", "--quiet", sha1], cwd=cwd)
  check_call(["cargo", "build", "--quiet", "--release"], cwd=cwd)