$ git clone -n https://src.fedoraproject.org/rpms/kf6-ktexteditor.git /var/lib/mock/f41-build-side-1-2820447-33164/root/chroot_tmpdir/scmroot/kf6-ktexteditor
Cloning into '/var/lib/mock/f41-build-side-1-2820447-33164/root/chroot_tmpdir/scmroot/kf6-ktexteditor'...
$ git fetch origin b26b6b609acedeeb95a04ff497e1489db1aedc2d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-ktexteditor
 * [new ref]         b26b6b609acedeeb95a04ff497e1489db1aedc2d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b26b6b6 6.6.0