$ git clone -n https://src.fedoraproject.org/rpms/kwin-x11.git /var/lib/mock/f45-build-39884-764/root/chroot_tmpdir/scmroot/kwin-x11
Cloning into '/var/lib/mock/f45-build-39884-764/root/chroot_tmpdir/scmroot/kwin-x11'...
$ git fetch origin 96d86782c26069c6af3b5076a33b8096a57e00de:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kwin-x11
 * [new ref]         96d86782c26069c6af3b5076a33b8096a57e00de -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 96d8678 Update to 6.7.5.