$ git clone -n https://gitee.com/src-anolis-os/nautilus.git /var/lib/mock/dist-an8.6-build-184002-60261/root/chroot_tmpdir/scmroot/nautilus
Cloning into '/var/lib/mock/dist-an8.6-build-184002-60261/root/chroot_tmpdir/scmroot/nautilus'...
$ git fetch origin a8-poc:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/nautilus
 * [new branch]      a8-poc     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4132c57 Rebuild