tests/remotefilelog-getflogheads.py

blackbox: just try writing to repo.vfs and update lastlogger on success

This is simpler and more robust. Before, an empty ".hg" directory would be
created if it's removed after checking vfs.isdir('.').

from __future__ import absolute_import

from mercurial.i18n import _
from mercurial import (
    hg,
    registrar,
)

cmdtable = {}
command = registrar.command(cmdtable)

@command('getflogheads',
         [],
         'path')
def getflogheads(ui, repo, path):
    """
    Extension printing a remotefilelog's heads

    Used for testing purpose
    """

    dest = repo.ui.expandpath('default')
    peer = hg.peer(repo, {}, dest)

    flogheads = peer.x_rfl_getflogheads(path)

    if flogheads:
        for head in flogheads:
            ui.write(head + '\n')
    else:
        ui.write(_('EMPTY\n'))