Add a features list to branches.cache to detect caches of old hg versions.
The leading space in the written file makes sure that the feature list never
can match an existing version, even if the first feature can be read as hex.
Additionally old hg versions display the id with --debug, too.
import getopt
def fancyopts(args, options, state):
long = []
short = ''
map = {}
dt = {}
for s, l, d, c in options:
pl = l.replace('-', '_')
map['-'+s] = map['--'+l] = pl
state[pl] = d
dt[pl] = type(d)
if (d is not None and d is not True and d is not False and
not callable(d)):
if s: s += ':'
if l: l += '='
if s: short = short + s
if l: long.append(l)
opts, args = getopt.getopt(args, short, long)
for opt, arg in opts:
if dt[map[opt]] is type(fancyopts): state[map[opt]](state, map[opt], arg)
elif dt[map[opt]] is type(1): state[map[opt]] = int(arg)
elif dt[map[opt]] is type(''): state[map[opt]] = arg
elif dt[map[opt]] is type([]): state[map[opt]].append(arg)
elif dt[map[opt]] is type(None): state[map[opt]] = True
elif dt[map[opt]] is type(False): state[map[opt]] = True
return args