$ git clone -n https://gitee.com/xzyang-anolis/dde.git /var/lib/mock/dist-an8.9-dde-build-281598-64624/root/chroot_tmpdir/scmroot/dde
Cloning into '/var/lib/mock/dist-an8.9-dde-build-281598-64624/root/chroot_tmpdir/scmroot/dde'...
$ git fetch origin a8:KOJI_FETCH_HEAD
From https://gitee.com/xzyang-anolis/dde
 * [new branch]      a8         -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6328a40 Update to Anolis 8.9