$ git clone -n https://gitee.com/src-anolis-dde/libxml.git /var/lib/mock/dist-an8.9-dde-build-291053-65033/root/chroot_tmpdir/scmroot/libxml
Cloning into '/var/lib/mock/dist-an8.9-dde-build-291053-65033/root/chroot_tmpdir/scmroot/libxml'...
$ git fetch origin a8:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-dde/libxml
 * [new branch]      a8         -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 038e8ca rebuild for anolis 8.9 dde