1858     if not dest:

  1858     if dest:

  1860         dest = None

  1860         dests = [dest]

  1861     path = repo.ui.getpath(dest, default=(b'default-push', b'default'))

  1861     else:

  1862     if not path:

  1862         dests = []

  1863         raise error.Abort(

  1863     missing = set()

  1864             _(b'default repository not configured!'),

  1864     for path in urlutil.get_push_paths(repo, repo.ui, dests):

  1865             hint=_(b"see 'hg help config.paths'"),

  1865         dest = path.pushloc or path.loc

  1866         )

  1866         branches = path.branch, []

  1867     dest = path.pushloc or path.loc

  1867 

  1868     branches = path.branch, []

  1868         revs, checkout = hg.addbranchrevs(repo, repo, branches, [])

  1869 

  1869         if revs:

  1870     revs, checkout = hg.addbranchrevs(repo, repo, branches, [])

  1870             revs = [repo.lookup(rev) for rev in revs]

  1871     if revs:

  1871         other = hg.peer(repo, {}, dest)

  1872         revs = [repo.lookup(rev) for rev in revs]

  1872         try:

  1873     other = hg.peer(repo, {}, dest)

  1873             repo.ui.pushbuffer()

  1874     try:

  1874             outgoing = discovery.findcommonoutgoing(repo, other, onlyheads=revs)

  1875         repo.ui.pushbuffer()

  1875             repo.ui.popbuffer()

  1876         outgoing = discovery.findcommonoutgoing(repo, other, onlyheads=revs)

  1876         finally:

  1877         repo.ui.popbuffer()

  1877             other.close()

  1878     finally:

  1878         missing.update(outgoing.missing)

  1879         other.close()

  1881     o = {cl.rev(r) for r in outgoing.missing}

  1880     o = {cl.rev(r) for r in missing}