$ git clone -n https://gitee.com/opencloudos-stream/mesa-libGLw.git /var/lib/mock/dist-oc9-epol-build-105708-66629/root/chroot_tmpdir/scmroot/mesa-libGLw
Cloning into '/var/lib/mock/dist-oc9-epol-build-105708-66629/root/chroot_tmpdir/scmroot/mesa-libGLw'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/mesa-libGLw
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b2d6273 update