docs: def get_sys_info():
      "Returns system information as a dict"
  
      blob = []
  
      # get full commit hash
      commit = None
      if os.path.isdir(".git") and os.path.isdir("xarray"):
          try:
              pipe = subprocess.Popen('git log --format="%H" -n 1'.split(" "),
                                      stdout=subprocess.PIPE,
                                      stderr=subprocess.PIPE)
              so, serr = pipe.communicate()
          except Exception:
              pass
          else:
              if pipe.returncode == 0:
                  commit = so
                  try:
                      commit = so.decode('utf-8')
                  except ValueError:
                      pass
                  commit = commit.strip().strip('"')
  
      blob.append(('commit', commit))
  
      try:
          (sysname, nodename, release,
           version, machine, processor) = platform.uname()
          blob.extend([
              ("python", sys.version),
              ("python-bits", struct.calcsize("P") * 8),
              ("OS", "%s" % (sysname)),
              ("OS-release", "%s" % (release)),
              # ("Version", "%s" % (version)),
              ("machine", "%s" % (machine)),
              ("processor", "%s" % (processor)),
              ("byteorder", "%s" % sys.byteorder),
              ("LC_ALL", "%s" % os.environ.get('LC_ALL', "None")),
              ("LANG", "%s" % os.environ.get('LANG', "None")),
              ("LOCALE", "%s.%s" % locale.getlocale()),
  
          ])
      except Exception:
          pass
  
      return blob