$ git clone -n https://src.fedoraproject.org/rpms/kolourpaint.git /var/lib/mock/f41-build-side-1-2647435-27302/root/chroot_tmpdir/scmroot/kolourpaint
Cloning into '/var/lib/mock/f41-build-side-1-2647435-27302/root/chroot_tmpdir/scmroot/kolourpaint'...
$ git fetch origin c4153825233b8fb9fc76a9da25afed0486d66bbf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kolourpaint
 * [new ref]         c4153825233b8fb9fc76a9da25afed0486d66bbf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c415382 convert license to SPDX