$ git clone -n https://gitee.com/opencloudos-stream/tcl.git /var/lib/mock/dist-ocs23-build-13566-921/root/chroot_tmpdir/scmroot/tcl
Cloning into '/var/lib/mock/dist-ocs23-build-13566-921/root/chroot_tmpdir/scmroot/tcl'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/tcl
 * [new ref]                    -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 78b4702 !1 upgrade to 8.6.13 Merge pull request !1 from cunshunxia/master