comparison hgext/transplant.py @ 45840:527ce85c2e60

errors: introduce StateError and use it from commands and cmdutil

This very similar to an earlier patch (which was for `InputError`).

In this patch, I also updated the transplant extension only because
`test-transplant.t` would otherwise have needed a `#if continueflag`.

Differential Revision: https://phab.mercurial-scm.org/D9310

45839:ebee234d952a

    p1 = repo.dirstate.p1()
    if len(repo) > 0 and p1 == revlog.nullid:
        raise error.Abort(_(b'no revision checked out'))
    if opts.get(b'continue'):
        if not tp.canresume():
            raise error.Abort(_(b'no transplant to continue'))
    elif opts.get(b'stop'):
        if not tp.canresume():
            raise error.Abort(_(b'no interrupted transplant found'))
        return tp.stop(ui, repo)
    else:
        cmdutil.checkunfinished(repo)
        cmdutil.bailifchanged(repo)

45840:527ce85c2e60

    p1 = repo.dirstate.p1()
    if len(repo) > 0 and p1 == revlog.nullid:
        raise error.Abort(_(b'no revision checked out'))
    if opts.get(b'continue'):
        if not tp.canresume():
            raise error.StateError(_(b'no transplant to continue'))
    elif opts.get(b'stop'):
        if not tp.canresume():
            raise error.StateError(_(b'no interrupted transplant found'))
        return tp.stop(ui, repo)
    else:
        cmdutil.checkunfinished(repo)
        cmdutil.bailifchanged(repo)