comparison mercurial/debugcommands.py @ 38313:275cc461b854

debugcommands: work around logiofd being a pipe and unseekable

This was breaking in our Python 3 build, but not Python 2. I don't
know how it ever worked in Python 2, but this passes on both.

Differential Revision: https://phab.mercurial-scm.org/D3732

38312:79dd61a4554f

    if opts['logiofd'] and opts['logiofile']:
        raise error.Abort(_('cannot use both --logiofd and --logiofile'))

    if opts['logiofd']:
        # Line buffered because output is line based.
        logfh = os.fdopen(int(opts['logiofd']), r'ab', 1)
    elif opts['logiofile']:
        logfh = open(opts['logiofile'], 'ab', 1)

    s = wireprotoserver.sshserver(ui, repo, logfh=logfh)
    s.serve_forever()

38313:275cc461b854

    if opts['logiofd'] and opts['logiofile']:
        raise error.Abort(_('cannot use both --logiofd and --logiofile'))

    if opts['logiofd']:
        # Line buffered because output is line based.
        try:
            logfh = os.fdopen(int(opts['logiofd']), r'ab', 1)
        except OSError as e:
            if e.errno != errno.ESPIPE:
                raise
            # can't seek a pipe, so `ab` mode fails on py3
            logfh = os.fdopen(int(opts['logiofd']), r'wb', 1)
    elif opts['logiofile']:
        logfh = open(opts['logiofile'], 'ab', 1)

    s = wireprotoserver.sshserver(ui, repo, logfh=logfh)
    s.serve_forever()