$ git clone -n https://gitee.com/src-anolis-nde/stacer.git /var/lib/mock/dist-an8.9-nde-build-411098-72775/root/chroot_tmpdir/scmroot/stacer
Cloning into '/var/lib/mock/dist-an8.9-nde-build-411098-72775/root/chroot_tmpdir/scmroot/stacer'...
$ git fetch origin a8:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-nde/stacer
 * [new branch]      a8         -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a51b7a5 add stacer