$ git clone -n https://src.fedoraproject.org/rpms/ghc-free.git /var/lib/mock/f40-build-777127-129247/root/chroot_tmpdir/scmroot/ghc-free
Cloning into '/var/lib/mock/f40-build-777127-129247/root/chroot_tmpdir/scmroot/ghc-free'...
$ git fetch origin 603630421d781fa0fa81951118d489be5038b5f1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-free
 * [new ref]         603630421d781fa0fa81951118d489be5038b5f1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6036304 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild