message: contrib: Add support for http[s] URLs in github-merge
  Sometimes it can be useful to use github-merge with read-only access
  (say, for reviewing and testing).
diff: @@ -168,7 +168,10 @@ def main():
  print("git config --global user.signingkey <key>",file=stderr)
  sys.exit(1)
  - host_repo = host+":"+repo # shortcut for push/pull target
  + if host.startswith(('https:','http:')):
  + host_repo = host+"/"+repo+".git"
  + else:
  + host_repo = host+":"+repo
  # Extract settings from command line
  args = parse_arguments()
  