$ git clone -n https://gitee.com/mgb01105731/gcr.git /var/lib/mock/dist-an23-build-131047-46317/root/chroot_tmpdir/scmroot/gcr
Cloning into '/var/lib/mock/dist-an23-build-131047-46317/root/chroot_tmpdir/scmroot/gcr'...
$ git reset --hard origin/a23
HEAD is now at da0c853 add doc package