$ git clone -n https://src.fedoraproject.org/rpms/ghc-natural-transformation.git /var/lib/mock/f45-build-10548-418/root/chroot_tmpdir/scmroot/ghc-natural-transformation
Cloning into '/var/lib/mock/f45-build-10548-418/root/chroot_tmpdir/scmroot/ghc-natural-transformation'...
$ git fetch origin 28b25ce0963d9d91271f099408258df4eac53b9f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-natural-transformation
 * [new ref]         28b25ce0963d9d91271f099408258df4eac53b9f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 28b25ce Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild