$ git clone -n https://src.fedoraproject.org/rpms/kwin-x11.git /var/lib/mock/f41-build-824659-154192/root/chroot_tmpdir/scmroot/kwin-x11
Cloning into '/var/lib/mock/f41-build-824659-154192/root/chroot_tmpdir/scmroot/kwin-x11'...
$ git fetch origin 14ef4360542f4820795a09ec98c2cb738ed1af61:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kwin-x11
 * [new ref]         14ef4360542f4820795a09ec98c2cb738ed1af61 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 14ef436 Update to 6.1.3.