$ git clone -n https://gitee.com/src-anolis-dde/deepin-desktop-schemas.git /var/lib/mock/dist-an8.9-dde-build-283039-64624/root/chroot_tmpdir/scmroot/deepin-desktop-schemas
Cloning into '/var/lib/mock/dist-an8.9-dde-build-283039-64624/root/chroot_tmpdir/scmroot/deepin-desktop-schemas'...
$ git fetch origin a8:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-dde/deepin-desktop-schemas
 * [new branch]      a8         -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e8064c7 Update to Anolis 8.9