$ git clone -n https://gitee.com/ocs-upgrade/gcr.git /var/lib/mock/dist-ocs23-base-build-318544-33501/root/chroot_tmpdir/scmroot/gcr
Cloning into '/var/lib/mock/dist-ocs23-base-build-318544-33501/root/chroot_tmpdir/scmroot/gcr'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/ocs-upgrade/gcr
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 43dfa42 Upgrade to version 4.4.0.1