$ git clone -n https://gitee.com/fundawang/nspr.git /var/lib/mock/dist-an23-build-354099-71027/root/chroot_tmpdir/scmroot/nspr
Cloning into '/var/lib/mock/dist-an23-build-354099-71027/root/chroot_tmpdir/scmroot/nspr'...
$ git fetch origin a31ba258774048cd76a96b1f7952ffff74218c76:KOJI_FETCH_HEAD
From https://gitee.com/fundawang/nspr
 * [new ref]         a31ba258774048cd76a96b1f7952ffff74218c76 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a31ba25 clean