$ git clone -n https://src.fedoraproject.org/rpms/deepin-calculator.git /var/lib/mock/f39-build-1458108-33038/root/chroot_tmpdir/scmroot/deepin-calculator
Cloning into '/var/lib/mock/f39-build-1458108-33038/root/chroot_tmpdir/scmroot/deepin-calculator'...
$ git fetch origin d04339500313487553aaaae2f78e7e1a478afa0c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/deepin-calculator
 * [new ref]         d04339500313487553aaaae2f78e7e1a478afa0c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d043395 New release 5.8.24