$ git clone -n https://gitee.com/opencloudos-stream/bctoolbox.git /var/lib/mock/dist-oc9-epol-build-230395-81462/root/chroot_tmpdir/scmroot/bctoolbox
Cloning into '/var/lib/mock/dist-oc9-epol-build-230395-81462/root/chroot_tmpdir/scmroot/bctoolbox'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/bctoolbox
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dc87962 !2 Rebuilt for mbedtls Merge pull request !2 from epol/master