$ git clone -n https://src.fedoraproject.org/rpms/kwin.git /var/lib/mock/f41-build-860417-168945/root/chroot_tmpdir/scmroot/kwin
Cloning into '/var/lib/mock/f41-build-860417-168945/root/chroot_tmpdir/scmroot/kwin'...
$ git fetch origin 2278b2d963c56605a3d207ad4b2faa8d43d3c91f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kwin
 * [new ref]         2278b2d963c56605a3d207ad4b2faa8d43d3c91f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2278b2d Merge branch 'rawhide' into f40