$ git clone -n https://src.fedoraproject.org/rpms/kwin-x11.git /var/lib/mock/f40-build-1239446-22917/root/chroot_tmpdir/scmroot/kwin-x11
Cloning into '/var/lib/mock/f40-build-1239446-22917/root/chroot_tmpdir/scmroot/kwin-x11'...
$ git fetch origin 5c66ca208925b632dde758db33e5867165baf027:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kwin-x11
 * [new ref]         5c66ca208925b632dde758db33e5867165baf027 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5c66ca2 Update to 6.1.1.2.