$ git clone -n https://gitee.com/src-opencloudos-rpms/jitterentropy.git /var/lib/mock/dist-oc9-build-127860-77048/root/chroot_tmpdir/scmroot/jitterentropy
Cloning into '/var/lib/mock/dist-oc9-build-127860-77048/root/chroot_tmpdir/scmroot/jitterentropy'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/jitterentropy
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a3ede96 import jitterentropy-3.4.1-4.tl4