$ git clone -n https://src.fedoraproject.org/rpms/hawknl.git /var/lib/mock/f45-build-13344-449/root/chroot_tmpdir/scmroot/hawknl
Cloning into '/var/lib/mock/f45-build-13344-449/root/chroot_tmpdir/scmroot/hawknl'...
$ git fetch origin 5e342d101c9cbae1974c5e65874134c6c4af4ace:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hawknl
 * [new ref]         5e342d101c9cbae1974c5e65874134c6c4af4ace -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5e342d1 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild