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