$ git clone -n https://src.fedoraproject.org/rpms/ghc-lukko.git /var/lib/mock/f40-build-776069-128585/root/chroot_tmpdir/scmroot/ghc-lukko
Cloning into '/var/lib/mock/f40-build-776069-128585/root/chroot_tmpdir/scmroot/ghc-lukko'...
$ git fetch origin f105aefe42c9fe61bb7ee185c10ce5cac4f49e7b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-lukko
 * [new ref]         f105aefe42c9fe61bb7ee185c10ce5cac4f49e7b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f105aef Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild