$ git clone -n https://gitee.com/src-opencloudos-rpms/bouncycastle.git /var/lib/mock/dist-oc9-build-245365-83308/root/chroot_tmpdir/scmroot/bouncycastle
Cloning into '/var/lib/mock/dist-oc9-build-245365-83308/root/chroot_tmpdir/scmroot/bouncycastle'...
$ git fetch origin aa634a1956b29823506ef4bf929d7e81d4ce466a:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/bouncycastle
 * [new ref]         aa634a1956b29823506ef4bf929d7e81d4ce466a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aa634a1 import bouncycastle-1.80-3.tl4