$ git clone -n https://gitee.com/src-anolis-os/systemd.git /var/lib/mock/dist-an8_2-build-192497-60802/root/chroot_tmpdir/scmroot/systemd
Cloning into '/var/lib/mock/dist-an8_2-build-192497-60802/root/chroot_tmpdir/scmroot/systemd'...
$ git fetch origin a8.2:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/systemd
 * [new branch]      a8.2       -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 069481b Add optimized patches