$ git clone -n https://src.fedoraproject.org/rpms/ghc-filestore.git /var/lib/mock/f40-build-776580-128929/root/chroot_tmpdir/scmroot/ghc-filestore
Cloning into '/var/lib/mock/f40-build-776580-128929/root/chroot_tmpdir/scmroot/ghc-filestore'...
$ git fetch origin 04b043cab5e0a74dceda17e53e55063b2dfdc9cd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-filestore
 * [new ref]         04b043cab5e0a74dceda17e53e55063b2dfdc9cd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 04b043c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild