$ git clone -n https://src.fedoraproject.org/rpms/kwin.git /var/lib/mock/f42-bootstrap-3533675-46406/root/chroot_tmpdir/scmroot/kwin
Cloning into '/var/lib/mock/f42-bootstrap-3533675-46406/root/chroot_tmpdir/scmroot/kwin'...
$ git fetch origin e62bc2013fd577593a8e829793096ed73cd79a59:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kwin
 * [new ref]         e62bc2013fd577593a8e829793096ed73cd79a59 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e62bc20 Backport support for a11y keyboard monitor interface