$ git clone -n https://src.fedoraproject.org/rpms/cinnamon.git /var/lib/mock/f41-build-side-1-2882827-34495/root/chroot_tmpdir/scmroot/cinnamon
Cloning into '/var/lib/mock/f41-build-side-1-2882827-34495/root/chroot_tmpdir/scmroot/cinnamon'...
$ git fetch origin f5cbd9fb1bfe844868eac29e746fbccb8aa89b62:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cinnamon
 * [new ref]         f5cbd9fb1bfe844868eac29e746fbccb8aa89b62 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f5cbd9f Update to 6.2.9