$ git clone -n https://src.fedoraproject.org/rpms/gnote.git /var/lib/mock/f40-build-802256-143971/root/chroot_tmpdir/scmroot/gnote
Cloning into '/var/lib/mock/f40-build-802256-143971/root/chroot_tmpdir/scmroot/gnote'...
$ git fetch origin c8c7e5575c449b81e54d4dd6cfb742a88fa312d6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnote
 * [new ref]         c8c7e5575c449b81e54d4dd6cfb742a88fa312d6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c8c7e55 Update to 46.0