$ git clone -n https://src.fedoraproject.org/rpms/ghc-ed25519.git /var/lib/mock/f40-build-2694544-69115/root/chroot_tmpdir/scmroot/ghc-ed25519
Cloning into '/var/lib/mock/f40-build-2694544-69115/root/chroot_tmpdir/scmroot/ghc-ed25519'...
$ git fetch origin c46209e1c8e3eaa8a5eef0a87fe110852c0f9838:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-ed25519
 * [new ref]         c46209e1c8e3eaa8a5eef0a87fe110852c0f9838 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c46209e Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild