from __future__ import absolute_import

from edenscm.mercurial import hg, registrar
from edenscm.mercurial.i18n import _


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.getflogheads(path)

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