tests/svnurlof.py

transaction: clarify the logic around pre-finalize/post-finalize

I am taking a bit more verbose route, but I find it easier to follow for people
who (re)discover the code.

(This is a gratuitous cleanup I did while looking at something else.)

Differential Revision: https://phab.mercurial-scm.org/D8176

from __future__ import absolute_import, print_function
import sys

from mercurial import (
    pycompat,
    util,
)


def main(argv):
    enc = util.urlreq.quote(pycompat.sysbytes(argv[1]))
    if pycompat.iswindows:
        fmt = 'file:///%s'
    else:
        fmt = 'file://%s'
    print(fmt % pycompat.sysstr(enc))


if __name__ == '__main__':
    main(sys.argv)