Re: [PATCH v2 2/2] fast-import: add '--signed-commits=<mode>' option

[Patrick Steinhardt <ps@pks.im>]

On Mon, Sep 15, 2025 at 12:17:33PM +0200, Christian Couder wrote:
> On Mon, Sep 15, 2025 at 8:27 AM Patrick Steinhardt <ps@pks.im> wrote:
> >
> > On Fri, Sep 12, 2025 at 02:40:42PM +0200, Christian Couder wrote:
> 
> > >
> > > -     /* Process signatures (up to 2: one "sha1" and one "sha256") */
> > >       while (skip_prefix(command_buf.buf, "gpgsig ", &v)) {
> > >               struct signature_data sig = { NULL, NULL, STRBUF_INIT };
> > >
> > > -             parse_one_signature(&sig, v);
> > > +             if (signed_commit_mode == SIGN_ABORT)
> > > +                     die(_("encountered signed commit; use "
> > > +                           "--signed-commits=<mode> to handle it"));
> > >
> > > -             if (!strcmp(sig.hash_algo, "sha1"))
> > > -                     store_signature(&sig_sha1, &sig, "SHA-1");
> > > -             else if (!strcmp(sig.hash_algo, "sha256"))
> > > -                     store_signature(&sig_sha256, &sig, "SHA-256");
> > > -             else
> > > -                     BUG("parse_one_signature() returned unknown hash algo");
> > > +             parse_one_signature(&sig, v);
> > >
> > > +             switch (signed_commit_mode) {
> > > +             case SIGN_ABORT:
> > > +                     BUG("SIGN_ABORT should be handled before calling parse_one_signature()");
> > > +                     break;
> >
> > Let's be defensive and convert this into a `default:` case so that any
> > unhandled value will cause a BUG.
> 
> Ok, maybe something like BUG("invalid signed_commit_mode value %d",
> signed_commit_mode) then?

Yeah, that should do the job.

Thanks!

Patrick