$ git clone -n https://src.fedoraproject.org/rpms/ghc-haskell-gi-overloading.git /var/lib/mock/f45-build-10366-416/root/chroot_tmpdir/scmroot/ghc-haskell-gi-overloading
Cloning into '/var/lib/mock/f45-build-10366-416/root/chroot_tmpdir/scmroot/ghc-haskell-gi-overloading'...
$ git fetch origin 7df691f240a4eb188a37cc2b02958f3e20e99fe6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-haskell-gi-overloading
 * [new ref]         7df691f240a4eb188a37cc2b02958f3e20e99fe6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7df691f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild