$ git clone -n https://src.fedoraproject.org/rpms/direwolf.git /var/lib/mock/f45-build-8620-392/root/chroot_tmpdir/scmroot/direwolf
Cloning into '/var/lib/mock/f45-build-8620-392/root/chroot_tmpdir/scmroot/direwolf'...
$ git fetch origin 9d63a770261b8a5145cf00e7f8f3eb3f27ae99ed:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/direwolf
 * [new ref]         9d63a770261b8a5145cf00e7f8f3eb3f27ae99ed -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9d63a77 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild