$ git clone -n https://src.fedoraproject.org/rpms/systemd-nitro-enclaves.git /var/lib/mock/f45-build-36788-708/root/chroot_tmpdir/scmroot/systemd-nitro-enclaves
Cloning into '/var/lib/mock/f45-build-36788-708/root/chroot_tmpdir/scmroot/systemd-nitro-enclaves'...
$ git fetch origin feb0ec04150ecb5e684cf22c88e5f315bd014b9d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/systemd-nitro-enclaves
 * [new ref]         feb0ec04150ecb5e684cf22c88e5f315bd014b9d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at feb0ec0 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild