$ git clone -n https://src.fedoraproject.org/rpms/rust-sequoia-octopus-librnp.git /var/lib/mock/f38-build-side-42-init-devel-1318869-30691/root/chroot_tmpdir/scmroot/rust-sequoia-octopus-librnp
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1318869-30691/root/chroot_tmpdir/scmroot/rust-sequoia-octopus-librnp'...
$ git fetch origin 80ca081f55ccda3cb2bb710bc185aab92b1ae2f3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-sequoia-octopus-librnp
 * [new ref]         80ca081f55ccda3cb2bb710bc185aab92b1ae2f3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 80ca081 Rebuild for sequoia-openpgp v1.16