$ git clone -n https://src.fedoraproject.org/rpms/rust-minicbor.git /var/lib/mock/f45-build-43261-801/root/chroot_tmpdir/scmroot/rust-minicbor
Cloning into '/var/lib/mock/f45-build-43261-801/root/chroot_tmpdir/scmroot/rust-minicbor'...
$ git fetch origin 77efa94295d9cb12d3b23a81265cbf9761062e64:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-minicbor
 * [new ref]         77efa94295d9cb12d3b23a81265cbf9761062e64 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 77efa94 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild