$ git clone -n https://src.fedoraproject.org/rpms/ghc-servant.git /var/lib/mock/f40-build-777139-129247/root/chroot_tmpdir/scmroot/ghc-servant
Cloning into '/var/lib/mock/f40-build-777139-129247/root/chroot_tmpdir/scmroot/ghc-servant'...
$ git fetch origin 7ffb4b1ce37bb71d491748a3185ad6d5fca95fa9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-servant
 * [new ref]         7ffb4b1ce37bb71d491748a3185ad6d5fca95fa9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7ffb4b1 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild