$ git clone -n https://gitee.com/lxpzero/anolis-release.git /var/lib/mock/dist-an8.8-build-347623-69701/root/chroot_tmpdir/scmroot/anolis-release
Cloning into '/var/lib/mock/dist-an8.8-build-347623-69701/root/chroot_tmpdir/scmroot/anolis-release'...
$ git fetch origin a8:KOJI_FETCH_HEAD
From https://gitee.com/lxpzero/anolis-release
 * [new branch]      a8         -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 01c18a0 update anolis-release.spec.