$ git clone -n https://src.fedoraproject.org/rpms/rust-strum.git /var/lib/mock/f45-build-45228-821/root/chroot_tmpdir/scmroot/rust-strum
Cloning into '/var/lib/mock/f45-build-45228-821/root/chroot_tmpdir/scmroot/rust-strum'...
$ git fetch origin ed8411bb5024a9491221fa57a0637e822f05c459:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-strum
 * [new ref]         ed8411bb5024a9491221fa57a0637e822f05c459 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ed8411b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild