$ git clone -n https://src.fedoraproject.org/rpms/kf5-ki18n.git /var/lib/mock/f40-build-742064-110490/root/chroot_tmpdir/scmroot/kf5-ki18n
Cloning into '/var/lib/mock/f40-build-742064-110490/root/chroot_tmpdir/scmroot/kf5-ki18n'...
$ git fetch origin b017c2e66aeb47908d4a092f782a5be6f035656c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-ki18n
 * [new ref]         b017c2e66aeb47908d4a092f782a5be6f035656c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b017c2e 5.111.0