xxci.py revision e236b38731823aeb87bb6d101062f54a72044954 
1#! /usr/bin/env python
2
3# xxci
4#
5# check in files for which rcsdiff returns nonzero exit status
6
7import sys
8import os
9from stat import *
10import commands
11import fnmatch
12
13EXECMAGIC = '\001\140\000\010'
14
15MAXSIZE = 200*1024 # Files this big must be binaries and are skipped.
16
17def 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
35def getmtime(file):
36    try:
37        st = os.stat(file)
38        return st[ST_MTIME]
39    except os.error:
40        return -1
41
42badnames = ['tags', 'TAGS', 'xyzzy', 'nohup.out', 'core']
43badprefixes = ['.', ',', '@', '#', 'o.']
44badsuffixes = \
45        ['~', '.a', '.o', '.old', '.bak', '.orig', '.new', '.prev', '.not', \
46         '.pyc', '.fdc', '.rgb', '.elc', ',v']
47ignore = []
48
49def 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
61def 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
80def badprefix(file):
81    for bad in badprefixes:
82        if file[:len(bad)] == bad: return 1
83    return 0
84
85def badsuffix(file):
86    for bad in badsuffixes:
87        if file[-len(bad):] == bad: return 1
88    return 0
89
90def 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
99def differing(file):
100    cmd = 'co -p ' + file + ' 2>/dev/null | cmp -s - ' + file
101    sts = os.system(cmd)
102    return sts != 0
103
104def showdiffs(file):
105    cmd = 'rcsdiff ' + file + ' 2>&1 | ${PAGER-more}'
106    sts = os.system(cmd)
107
108def askyesno(prompt):
109    s = raw_input(prompt)
110    return s in ['y', 'yes']
111
112if __name__ == '__main__':
113    try:
114        setup()
115        go(getargs())
116    except KeyboardInterrupt:
117        print '[Intr]'
118