Tools/scripts/xxci.py

   1 #! /usr/bin/env python
   2
   3 # xxci
   4 #
   5 # check in files for which rcsdiff returns nonzero exit status
   6
   7 import sys
   8 import os
   9 from stat import *
  10 import commands
  11 import fnmatch
  12
  13 EXECMAGIC = '\001\140\000\010'
  14
  15 MAXSIZE = 200*1024 # Files this big must be binaries and are skipped.
  16
  17 def getargs():
  18     args = sys.argv[1:]
  19     if args:
  20         return args
  21     print 'No arguments, checking almost *, in "ls -t" order'
  22     list = []
  23     for file in os.listdir(os.curdir):
  24         if not skipfile(file):
  25             list.append((getmtime(file), file))
  26     list.sort()
  27     if not list:
  28         print 'Nothing to do -- exit 1'
  29         sys.exit(1)
  30     list.sort()
  31     list.reverse()
  32     for mtime, file in list: args.append(file)
  33     return args
  34
  35 def getmtime(file):
  36     try:
  37         st = os.stat(file)
  38         return st[ST_MTIME]
  39     except os.error:
  40         return -1
  41
  42 badnames = ['tags', 'TAGS', 'xyzzy', 'nohup.out', 'core']
  43 badprefixes = ['.', ',', '@', '#', 'o.']
  44 badsuffixes = \
  45         ['~', '.a', '.o', '.old', '.bak', '.orig', '.new', '.prev', '.not', \
  46          '.pyc', '.fdc', '.rgb', '.elc', ',v']
  47 ignore = []
  48
  49 def setup():
  50     ignore[:] = badnames
  51     for p in badprefixes:
  52         ignore.append(p + '*')
  53     for p in badsuffixes:
  54         ignore.append('*' + p)
  55     try:
  56         f = open('.xxcign', 'r')
  57     except IOError:
  58         return
  59     ignore[:] = ignore + f.read().split()
  60
  61 def skipfile(file):
  62     for p in ignore:
  63         if fnmatch.fnmatch(file, p): return 1
  64     try:
  65         st = os.lstat(file)
  66     except os.error:
  67         return 1 # Doesn't exist -- skip it
  68     # Skip non-plain files.
  69     if not S_ISREG(st[ST_MODE]): return 1
  70     # Skip huge files -- probably binaries.
  71     if st[ST_SIZE] >= MAXSIZE: return 1
  72     # Skip executables
  73     try:
  74         data = open(file, 'r').read(len(EXECMAGIC))
  75         if data == EXECMAGIC: return 1
  76     except:
  77         pass
  78     return 0
  79
  80 def badprefix(file):
  81     for bad in badprefixes:
  82         if file[:len(bad)] == bad: return 1
  83     return 0
  84
  85 def badsuffix(file):
  86     for bad in badsuffixes:
  87         if file[-len(bad):] == bad: return 1
  88     return 0
  89
  90 def go(args):
  91     for file in args:
  92         print file + ':'
  93         if differing(file):
  94             showdiffs(file)
  95             if askyesno('Check in ' + file + ' ? '):
  96                 sts = os.system('rcs -l ' + file) # ignored
  97                 sts = os.system('ci -l ' + file)
  98
  99 def differing(file):
 100     cmd = 'co -p ' + file + ' 2>/dev/null | cmp -s - ' + file
 101     sts = os.system(cmd)
 102     return sts != 0
 103
 104 def showdiffs(file):
 105     cmd = 'rcsdiff ' + file + ' 2>&1 | ${PAGER-more}'
 106     sts = os.system(cmd)
 107
 108 def askyesno(prompt):
 109     s = raw_input(prompt)
 110     return s in ['y', 'yes']
 111
 112 try:
 113     setup()
 114     go(getargs())
 115 except KeyboardInterrupt:
 116     print '[Intr]'