$ git clone -n https://src.fedoraproject.org/rpms/rust-ed25519-compact.git /var/lib/mock/f40-build-2036090-48007/root/chroot_tmpdir/scmroot/rust-ed25519-compact
Cloning into '/var/lib/mock/f40-build-2036090-48007/root/chroot_tmpdir/scmroot/rust-ed25519-compact'...
$ git fetch origin 61ca4746853f663254dcf6057051a9199969fd36:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-ed25519-compact
 * [new ref]         61ca4746853f663254dcf6057051a9199969fd36 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 61ca474 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild