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