get-pr-branch

#!/usr/bin/env python

from sys import exit, argv
from os.path import expanduser
from github import Github
from socket import setdefaulttimeout
setdefaulttimeout(120)

if __name__ == "__main__":
  prId = int(argv[1])
  gh = Github(login_or_token=open(expanduser("~/.github-token")).read().strip())
  try:
    pr = gh.get_repo( 'cms-sw/cmssw' ).get_pull(prId)
  except Exception as ex:
    print "Could not find pull request %s. Maybe this is an issue" % prId
    print ex
    exit(1)

  if pr.base.ref == "master":
    from releases import CMSSW_DEVEL_BRANCH
    from commands import getstatusoutput
    e, o = getstatusoutput("curl -s -L https://cmssdt.cern.ch/SDT/BaselineDevRelease | grep '^CMSSW_'")
    if not o: o = CMSSW_DEVEL_BRANCH
    print o
  else:
    print pr.base.ref