$ git clone -n https://src.fedoraproject.org/rpms/monocypher.git /var/lib/mock/f45-build-19105-541/root/chroot_tmpdir/scmroot/monocypher
Cloning into '/var/lib/mock/f45-build-19105-541/root/chroot_tmpdir/scmroot/monocypher'...
$ git fetch origin 504d9e4122c4b853da8d051007f1f5b832554e53:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/monocypher
 * [new ref]         504d9e4122c4b853da8d051007f1f5b832554e53 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 504d9e4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild