#!/usr/bin/python3
"""
Subversion post-commit hook which copy (append) the issue-tracking information
to a new (or existing) card-index in the /issues/ directory. A commit of this
information is performed.
"""
#Author: Alain Hebert, Ecole Polytechnique, 2006.

import os, sys, pysvn, time

def main(repos, rev):
  # Recover the revision data:
  client = pysvn.Client()
  log_message=client.log('file://' + repos + '', discover_changed_paths=True, \
  revision_end=pysvn.Revision(pysvn.opt_revision_kind.number, rev))
  message = str(log_message[0]['message'])
  if message[11:] != ': Issue-tracking commit' and message[11:] != ':':
    # Recover the existing card-index
    fileName = str(log_message[0]['message'])[:11]
    if os.path.isdir('/tmp/post-issues'):
      os.system("chmod -R 777 /tmp/post-issues/")
      os.system("rm -r /tmp/post-issues/")
    myls = client.ls('file://'+repos+'/'+'/issues/')
    myls2 = []
    for k in range(len(myls)):
      myls2.append(str(myls[k]['name']).split('/')[-1])
    client.checkout('file://'+repos+'/'+'/issues/','/tmp/post-issues/',recurse=False)
    if fileName in myls2:
      # Recover the existing card-index and open it
      f = open('/tmp/post-issues/'+fileName, 'a')
    else:
      # Create a new card-index
      f = open('/tmp/post-issues/'+fileName, 'w')
      f.write('Card-index: '+fileName+'\n')
      f.write('---------------------------------------------------------\n')
      client.add('/tmp/post-issues/'+fileName)
    f.write(str(log_message[0]['author'])+'\n')
    f.write(time.ctime(log_message[0]['date'])+'\n')
    f.write('subversion revision=%d\n'%log_message[0]['revision'].number)
    f.write(message+'\n')
    for cpath in log_message[0]['changed_paths']:
      f.write(cpath['action']+' '+cpath['path']+'\n')
    f.write('---------------------------------------------------------\n')
    f.close()
    #committing the issue-tracking card-index to the repository
    client.cleanup('/tmp/post-issues/')
    client.checkin(['/tmp/post-issues/'], fileName+': Issue-tracking commit')
    os.system("rm -r -f /tmp/post-issues/")

if __name__ == '__main__':
  if len(sys.argv) < 3:
    sys.stderr.write("Usage: %s repos rev\n" % (sys.argv[0]))
  else:
    main(sys.argv[1], sys.argv[2])