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      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 fnmatch
     11 
     12 EXECMAGIC = '\001\140\000\010'
     13 
     14 MAXSIZE = 200*1024 # Files this big must be binaries and are skipped.
     15 
     16 def getargs():
     17     args = sys.argv[1:]
     18     if args:
     19         return args
     20     print 'No arguments, checking almost *, in "ls -t" order'
     21     list = []
     22     for file in os.listdir(os.curdir):
     23         if not skipfile(file):
     24             list.append((getmtime(file), file))
     25     list.sort()
     26     if not list:
     27         print 'Nothing to do -- exit 1'
     28         sys.exit(1)
     29     list.sort()
     30     list.reverse()
     31     for mtime, file in list: args.append(file)
     32     return args
     33 
     34 def getmtime(file):
     35     try:
     36         st = os.stat(file)
     37         return st[ST_MTIME]
     38     except os.error:
     39         return -1
     40 
     41 badnames = ['tags', 'TAGS', 'xyzzy', 'nohup.out', 'core']
     42 badprefixes = ['.', ',', '@', '#', 'o.']
     43 badsuffixes = \
     44         ['~', '.a', '.o', '.old', '.bak', '.orig', '.new', '.prev', '.not', \
     45          '.pyc', '.fdc', '.rgb', '.elc', ',v']
     46 ignore = []
     47 
     48 def setup():
     49     ignore[:] = badnames
     50     for p in badprefixes:
     51         ignore.append(p + '*')
     52     for p in badsuffixes:
     53         ignore.append('*' + p)
     54     try:
     55         f = open('.xxcign', 'r')
     56     except IOError:
     57         return
     58     ignore[:] = ignore + f.read().split()
     59 
     60 def skipfile(file):
     61     for p in ignore:
     62         if fnmatch.fnmatch(file, p): return 1
     63     try:
     64         st = os.lstat(file)
     65     except os.error:
     66         return 1 # Doesn't exist -- skip it
     67     # Skip non-plain files.
     68     if not S_ISREG(st[ST_MODE]): return 1
     69     # Skip huge files -- probably binaries.
     70     if st[ST_SIZE] >= MAXSIZE: return 1
     71     # Skip executables
     72     try:
     73         data = open(file, 'r').read(len(EXECMAGIC))
     74         if data == EXECMAGIC: return 1
     75     except:
     76         pass
     77     return 0
     78 
     79 def badprefix(file):
     80     for bad in badprefixes:
     81         if file[:len(bad)] == bad: return 1
     82     return 0
     83 
     84 def badsuffix(file):
     85     for bad in badsuffixes:
     86         if file[-len(bad):] == bad: return 1
     87     return 0
     88 
     89 def go(args):
     90     for file in args:
     91         print file + ':'
     92         if differing(file):
     93             showdiffs(file)
     94             if askyesno('Check in ' + file + ' ? '):
     95                 sts = os.system('rcs -l ' + file) # ignored
     96                 sts = os.system('ci -l ' + file)
     97 
     98 def differing(file):
     99     cmd = 'co -p ' + file + ' 2>/dev/null | cmp -s - ' + file
    100     sts = os.system(cmd)
    101     return sts != 0
    102 
    103 def showdiffs(file):
    104     cmd = 'rcsdiff ' + file + ' 2>&1 | ${PAGER-more}'
    105     sts = os.system(cmd)
    106 
    107 def askyesno(prompt):
    108     s = raw_input(prompt)
    109     return s in ['y', 'yes']
    110 
    111 if __name__ == '__main__':
    112     try:
    113         setup()
    114         go(getargs())
    115     except KeyboardInterrupt:
    116         print '[Intr]'
    117