$ git clone -n https://src.fedoraproject.org/rpms/rust-elasticlunr-rs.git /var/lib/mock/f45-build-41389-782/root/chroot_tmpdir/scmroot/rust-elasticlunr-rs
Cloning into '/var/lib/mock/f45-build-41389-782/root/chroot_tmpdir/scmroot/rust-elasticlunr-rs'...
$ git fetch origin ca77af66e7a104e0d9f13644873f2c00293e2e93:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-elasticlunr-rs
 * [new ref]         ca77af66e7a104e0d9f13644873f2c00293e2e93 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ca77af6 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild