$ git clone -n https://gitee.com/src-anolis-os/libpaper.git /var/lib/mock/dist-an23.3-build-421332-72884/root/chroot_tmpdir/scmroot/libpaper
Cloning into '/var/lib/mock/dist-an23.3-build-421332-72884/root/chroot_tmpdir/scmroot/libpaper'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/libpaper
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ba8b047 Update to 2.1.1 from 2.1.0