$ git clone -n https://src.fedoraproject.org/rpms/kwin.git /var/lib/mock/f45-build-39866-763/root/chroot_tmpdir/scmroot/kwin
Cloning into '/var/lib/mock/f45-build-39866-763/root/chroot_tmpdir/scmroot/kwin'...
$ git fetch origin 0b84e2e267a40c8a9de2a891fd08d581e12dc096:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kwin
 * [new ref]         0b84e2e267a40c8a9de2a891fd08d581e12dc096 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0b84e2e Remove unused patch