$ git clone -n https://src.fedoraproject.org/rpms/ksmtp.git /var/lib/mock/f42-build-side-1-3503853-45982/root/chroot_tmpdir/scmroot/ksmtp
Cloning into '/var/lib/mock/f42-build-side-1-3503853-45982/root/chroot_tmpdir/scmroot/ksmtp'...
$ git fetch origin 1a92c43f63a8802a19b2e1b23cadffb78d6fcf2e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ksmtp
 * [new ref]         1a92c43f63a8802a19b2e1b23cadffb78d6fcf2e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1a92c43 25.04.0