$ git clone -n https://gitee.com/ocs-upgrade/openexr.git /var/lib/mock/dist-ocs23-build-285009-27555/root/chroot_tmpdir/scmroot/openexr
Cloning into '/var/lib/mock/dist-ocs23-build-285009-27555/root/chroot_tmpdir/scmroot/openexr'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/ocs-upgrade/openexr
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cb4540e Upgrade to version 3.2.4