$ git clone -n https://src.fedoraproject.org/rpms/kdf.git /var/lib/mock/f40-build-2241510-53664/root/chroot_tmpdir/scmroot/kdf
Cloning into '/var/lib/mock/f40-build-2241510-53664/root/chroot_tmpdir/scmroot/kdf'...
$ git fetch origin 88469a8a3b6fc9918eb20682a7e1faa0f5fbae5a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kdf
 * [new ref]         88469a8a3b6fc9918eb20682a7e1faa0f5fbae5a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 88469a8 24.01.90