$ git clone -n https://src.fedoraproject.org/rpms/ghc-assoc.git /var/lib/mock/f45-build-9980-412/root/chroot_tmpdir/scmroot/ghc-assoc
Cloning into '/var/lib/mock/f45-build-9980-412/root/chroot_tmpdir/scmroot/ghc-assoc'...
$ git fetch origin 4943c8e8943a15ed2e9b1fb252add371ad33a832:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-assoc
 * [new ref]         4943c8e8943a15ed2e9b1fb252add371ad33a832 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4943c8e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild