contrib/casesmash.py

largefiles: don't unnecessarily sort merge action lists

The action lists returned from calculateupdates() (in merge.py) are
not required to be sorted. In fact, since they result from iteration
over the unordered manifest, they are unlikely to be sorted. Moreover,
some of the lists are appended to after they are returned from
manifestmerge(). The lists are instead sorted in
applyupdates(). Therefore, let's not sort the lists generated in
largefiles' overridecalculateupdates().

import os, __builtin__
from mercurial import util

def lowerwrap(scope, funcname):
    f = getattr(scope, funcname)
    def wrap(fname, *args, **kwargs):
        d, base = os.path.split(fname)
        try:
            files = os.listdir(d or '.')
        except OSError:
            files = []
        if base in files:
            return f(fname, *args, **kwargs)
        for fn in files:
            if fn.lower() == base.lower():
                return f(os.path.join(d, fn), *args, **kwargs)
        return f(fname, *args, **kwargs)
    scope.__dict__[funcname] = wrap

def normcase(path):
    return path.lower()

os.path.normcase = normcase

for f in 'file open'.split():
    lowerwrap(__builtin__, f)

for f in "chmod chown open lstat stat remove unlink".split():
    lowerwrap(os, f)

for f in "exists lexists".split():
    lowerwrap(os.path, f)

lowerwrap(util, 'posixfile')