convert_git: avoid returning two entries for the same file in getchanges
This could happen in merge changesets if the merged file was different
from both parents.
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
if isinstance(d, list):
state[pl] = d[:]
else:
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