$ git clone -n https://src.fedoraproject.org/rpms/wondershaper.git /var/lib/mock/f45-build-38467-724/root/chroot_tmpdir/scmroot/wondershaper
Cloning into '/var/lib/mock/f45-build-38467-724/root/chroot_tmpdir/scmroot/wondershaper'...
$ git fetch origin 4c04aa70d6ec6a7a986f34db2843c3a8bab5922e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/wondershaper
 * [new ref]         4c04aa70d6ec6a7a986f34db2843c3a8bab5922e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4c04aa7 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild