contrib/hook-scripts/commit-block-joke.py

   1 #!/usr/bin/env python
   2 # ====================================================================
   3 # Copyright (c) 2004 CollabNet.  All rights reserved.
   4 #
   5 # This software is licensed as described in the file COPYING, which
   6 # you should have received as part of this distribution.  The terms
   7 # are also available at http://subversion.tigris.org/license.html.
   8 # If newer versions of this license are posted there, you may use a
   9 # newer version instead, at your option.
  10 #
  11 # This software consists of voluntary contributions made by many
  12 # individuals.  For exact contribution history, see the revision
  13 # history and logs, available at http://subversion.tigris.org/.
  14 # ====================================================================
  15
  16 import sys, os, string
  17
  18 SVNLOOK='/usr/local/bin/svnlook'
  19 MESSAGE="""
  20 Dear {AUTHOR}:
  21
  22 We're sorry, but we just couldn't allow you to have the
  23 revision {REVISION} commit.
  24
  25        -- Love, Your Administrator(s).
  26 """
  27
  28 if len(sys.argv) < 5:
  29     sys.stderr.write(
  30         "Usage: %s REPOS AUTHOR BLOCKED_REV BLOCKED_AUTHOR [...]\n"
  31         "\n"
  32         "Disallow a set BLOCKED_AUTHORS from committing the revision\n"
  33         "expected to bring REPOS to a youngest revision of BLOCKED_REV.\n"
  34         "Written as a prank for use as a start-commit hook (which provides\n"
  35         "REPOS and AUTHOR for you).\n"
  36         "\n"
  37         "NOTE: There is a small chance that while HEAD is BLOCKED_REV - 2,\n"
  38         "a commit could slip in between the time we query the youngest\n"
  39         "revision and the time this commit-in-progress actually occurs.\n"
  40         "\n"
  41         % sys.argv[0])
  42     sys.exit(1)
  43
  44 repos = sys.argv[1]
  45 author = sys.argv[2]
  46 blocked_rev = sys.argv[3]
  47 blocked_authors = sys.argv[4:]
  48
  49 if author in blocked_authors:
  50     youngest_cmd = '%s youngest %s' % (SVNLOOK, repos)
  51     youngest = os.popen(youngest_cmd, 'r').readline().rstrip('\n')
  52
  53     # See if this is the blocked revision
  54     if int(youngest) == int(blocked_rev) - 1:
  55         MESSAGE = MESSAGE.replace('{AUTHOR}', author)
  56         MESSAGE = MESSAGE.replace('{REVISION}', blocked_rev)
  57         sys.stderr.write(MESSAGE)
  58         sys.exit(1)
  59
  60 sys.exit(0)