$ git clone -n https://src.fedoraproject.org/rpms/kwin.git /var/lib/mock/f40-build-797064-141055/root/chroot_tmpdir/scmroot/kwin
Cloning into '/var/lib/mock/f40-build-797064-141055/root/chroot_tmpdir/scmroot/kwin'...
$ git fetch origin deeab0a0ae4e215ba5d9dc71dc30158039ca063f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kwin
 * [new ref]         deeab0a0ae4e215ba5d9dc71dc30158039ca063f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at deeab0a 6.0.2