$ git clone -n https://src.fedoraproject.org/rpms/kalendar.git /var/lib/mock/f40-build-2596803-62814/root/chroot_tmpdir/scmroot/kalendar
Cloning into '/var/lib/mock/f40-build-2596803-62814/root/chroot_tmpdir/scmroot/kalendar'...
$ git fetch origin deebeb4950037f43c8b611103f16a72f70c20504:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kalendar
 * [new ref]         deebeb4950037f43c8b611103f16a72f70c20504 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at deebeb4 replace LicenseRef-KDE-Accepted-* licenses