$ git clone -n https://gitee.com/src-anolis-epao/unixbench.git /var/lib/mock/dist-an8-epao-build-419930-72889/root/chroot_tmpdir/scmroot/unixbench
Cloning into '/var/lib/mock/dist-an8-epao-build-419930-72889/root/chroot_tmpdir/scmroot/unixbench'...
$ git fetch origin a8:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-epao/unixbench
 * [new branch]      a8         -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 40b2a4a init to 5.1.3