$ git clone -n https://gitee.com/ocs-upgrade/python-productmd.git /var/lib/mock/dist-ocs23-build-212450-15360/root/chroot_tmpdir/scmroot/python-productmd
Cloning into '/var/lib/mock/dist-ocs23-build-212450-15360/root/chroot_tmpdir/scmroot/python-productmd'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/ocs-upgrade/python-productmd
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3cd778a Upgrade to version 1.38