$ git clone -n https://src.fedoraproject.org/rpms/kwin.git /var/lib/mock/f41-build-side-1-2956319-35552/root/chroot_tmpdir/scmroot/kwin
Cloning into '/var/lib/mock/f41-build-side-1-2956319-35552/root/chroot_tmpdir/scmroot/kwin'...
$ git fetch origin 049534150b21c5254378790ae66d64c1877b6c77:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kwin
 * [new ref]         049534150b21c5254378790ae66d64c1877b6c77 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0495341 Backport patches from upstream