$ git clone -n https://src.fedoraproject.org/rpms/rust-sequoia-octopus-librnp.git /var/lib/mock/f42-build-side-1-3586550-46923/root/chroot_tmpdir/scmroot/rust-sequoia-octopus-librnp
Cloning into '/var/lib/mock/f42-build-side-1-3586550-46923/root/chroot_tmpdir/scmroot/rust-sequoia-octopus-librnp'...
$ git fetch origin b6423a1bf9d5fef5021a945e950702509fb2bba9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-sequoia-octopus-librnp
 * [new ref]         b6423a1bf9d5fef5021a945e950702509fb2bba9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b6423a1 Update to version 1.11.1; Fixes RHBZ#2377188