$ git clone -n https://gitee.com/ocs-upgrade/libdrm.git /var/lib/mock/dist-ocs23-build-212887-15387/root/chroot_tmpdir/scmroot/libdrm
Cloning into '/var/lib/mock/dist-ocs23-build-212887-15387/root/chroot_tmpdir/scmroot/libdrm'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/ocs-upgrade/libdrm
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d4d49e8 Upgrade to version 2.4.122