annotate hglib/error.py @ 196:c586d02f7cda

_readchannel: if a read failure is due to a broken server, report that

We can end up in this codepath if the specified hg binary fails to
start, and we're better off reporting that than the fact that we got
no response.

class CommandError(Exception):
    def __init__(self, args, ret, out, err):
        self.args = args
        self.ret = ret
        self.out = out
        self.err = err

    def __str__(self):
        return str((self.ret, self.out.rstrip(), self.err.rstrip()))

class ServerError(Exception):
    pass

class ResponseError(ServerError, ValueError):
    pass

class CapabilityError(ServerError):
    pass