$ git clone -n https://src.fedoraproject.org/rpms/ghc-equivalence.git /var/lib/mock/f45-build-10371-416/root/chroot_tmpdir/scmroot/ghc-equivalence
Cloning into '/var/lib/mock/f45-build-10371-416/root/chroot_tmpdir/scmroot/ghc-equivalence'...
$ git fetch origin b9b48dbfa7db3b084dd1361d1c73439b888c4a4b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-equivalence
 * [new ref]         b9b48dbfa7db3b084dd1361d1c73439b888c4a4b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b9b48db Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild