$ git clone -n https://gitee.com/opencloudos-stream/compiler-rt.git /var/lib/mock/dist-ocs23-build-23551-1191/root/chroot_tmpdir/scmroot/compiler-rt
Cloning into '/var/lib/mock/dist-ocs23-build-23551-1191/root/chroot_tmpdir/scmroot/compiler-rt'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/compiler-rt
 * [new ref]                    -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 771b80e !1 Upgrade to 16.0.6 Merge pull request !1 from kianli/master