$ git clone -n https://gitee.com/src-opencloudos-rpms/bouncycastle.git /var/lib/mock/dist-oc9-build-123789-73291/root/chroot_tmpdir/scmroot/bouncycastle
Cloning into '/var/lib/mock/dist-oc9-build-123789-73291/root/chroot_tmpdir/scmroot/bouncycastle'...
$ git fetch origin 3d8a46dd16fbc72ae8302c465d4b0fe8e273417c:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/bouncycastle
 * [new ref]         3d8a46dd16fbc72ae8302c465d4b0fe8e273417c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3d8a46d import bouncycastle-1.80-1.tl4