Hi Peff, On Tue, 10 Jul 2018, Jeff King wrote: > On Mon, Jul 09, 2018 at 10:15:05PM -0400, Jeff King wrote: > > > > Should this not rather be > > > > > > - if (!cmit || get_revision(opts->revs)) > > > - return error("BUG: expected exactly one commit from walk"); > > > + if (!cmit) > > > + return error(_("empty commit set passed")); > > > + if (get_revision(opts->revs)) > > > + return error(_("unexpected extra commit from walk")); > > > > Yeah, you're right. I'm not sure how a single rev with no-walk would > > ever turn up more than one commit, though. So I think we should probably > > go with: > > > > if (!cmit) > > return error(_("empty commit set passed")); > > if (get_revision(opts->revs)) > > BUG("unexpected extra commit from walk"); > > > > And then if we ever see that case, we can decide from there what the > > right action is (though _probably_ it's just to emit an error like you > > have above, it might be a sign that our single-pick logic is wrong). > > > > I'll re-roll in that direction, and discuss further in the commit > > message. > > After poking at it a bit more, I've convinced myself that this is the > right thing, as options like "--branches" which expand into multiple > tips already push us into the other code path. > > So here's a re-roll. The first one is identical except for the typo-fix > in the commit message. > > [1/2]: sequencer: handle empty-set cases consistently > [2/2]: sequencer: don't say BUG on bogus input > > sequencer.c | 12 ++++++++---- > t/t3510-cherry-pick-sequence.sh | 7 ++++++- > 2 files changed, 14 insertions(+), 5 deletions(-) ACK, Dscho