$ git clone -n https://src.fedoraproject.org/rpms/ghc-MemoTrie.git /var/lib/mock/f40-build-2279760-55363/root/chroot_tmpdir/scmroot/ghc-MemoTrie
Cloning into '/var/lib/mock/f40-build-2279760-55363/root/chroot_tmpdir/scmroot/ghc-MemoTrie'...
$ git fetch origin af3ab6ac6b8fb23ea5ac1721d5ccc4ee85109e56:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-MemoTrie
 * [new ref]         af3ab6ac6b8fb23ea5ac1721d5ccc4ee85109e56 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at af3ab6a Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild