$ git clone -n https://src.fedoraproject.org/rpms/kf5-messagelib.git /var/lib/mock/f40-build-2405179-60558/root/chroot_tmpdir/scmroot/kf5-messagelib
Cloning into '/var/lib/mock/f40-build-2405179-60558/root/chroot_tmpdir/scmroot/kf5-messagelib'...
$ git fetch origin d66e15f57f23df661fe2189bd6ae026dbbdad784:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-messagelib
 * [new ref]         d66e15f57f23df661fe2189bd6ae026dbbdad784 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d66e15f replace LicenseRef-KDE-Accepted-* licenses