$ git clone -n https://src.fedoraproject.org/rpms/ghc-data-default.git /var/lib/mock/f40-build-776586-128929/root/chroot_tmpdir/scmroot/ghc-data-default
Cloning into '/var/lib/mock/f40-build-776586-128929/root/chroot_tmpdir/scmroot/ghc-data-default'...
$ git fetch origin f183ea3a433c4292bcccf3ca2d63848e5972778a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-data-default
 * [new ref]         f183ea3a433c4292bcccf3ca2d63848e5972778a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f183ea3 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild