contrib/mtnpatch.py

   1 #!/usr/bin/env python
   2 import sys, os, string, getopt, re
   3
   4 mtncmd = "mtn"
   5
   6 def main(argv = None):
   7     if argv is None:
   8         argv = sys.argv
   9     opts, list = getopt.getopt(sys.argv[1:], ':R')
  10     if len(list) < 1:
  11         print "You must specify a file"
  12         return 2
  13     reverse = False
  14     for o, a in opts:
  15         if o == "-R":
  16             reverse = True
  17     if os.path.exists(list[0]):
  18         input = open(list[0], 'r')
  19         renameFrom = ""
  20         cmd = ""
  21         for line in input:
  22             if len(line) > 0:
  23                 if line[0] == '#':
  24                     matches = re.search("#\s+(\w+)\s+\"(.*)\"", line)
  25                     if matches is not None:
  26                         cmd = matches.group(1)
  27                         fileName = matches.group(2)
  28                         if cmd == "delete":
  29                             if reverse:
  30                                 print "%s add %s" % (mtncmd, fileName)
  31                             else:
  32                                 print "%s drop -e %s" % (mtncmd, fileName)
  33                         elif cmd == "add" or cmd == "add_file" or cmd == "add_dir":
  34                             if reverse:
  35                                 print "%s drop -e %s" % (mtncmd, fileName)
  36                             else:
  37                                 print "%s add %s" % (mtncmd, fileName)
  38                         elif cmd == "rename":
  39                             renameFrom = fileName
  40                         elif cmd == "to" and renameFrom != "":
  41                             if reverse:
  42                                 print "%s rename -e %s %s" % (mtncmd, fileName, renameFrom)
  43                             else:
  44                                 print "%s rename -e %s %s" % (mtncmd, renameFrom, fileName)
  45                             renameFrom = ""
  46                         else:
  47                             cmd = ""
  48         if reverse:
  49             print "patch -R -p0 < %s" % list[0]
  50         else:
  51             print "patch -p0 < %s" % list[0]
  52
  53 if __name__ == "__main__":
  54     sys.exit(main())