$ git clone -n https://src.fedoraproject.org/rpms/rust-ed25519-compact.git /var/lib/mock/f40-build-2712286-71980/root/chroot_tmpdir/scmroot/rust-ed25519-compact
Cloning into '/var/lib/mock/f40-build-2712286-71980/root/chroot_tmpdir/scmroot/rust-ed25519-compact'...
$ git fetch origin 13f80f81607fe9ceb4b8061919cda0de48e742ea:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-ed25519-compact
 * [new ref]         13f80f81607fe9ceb4b8061919cda0de48e742ea -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 13f80f8 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild