$ git clone -n https://gitee.com/rabbitali/libburn.git /var/lib/mock/dist-an23-build-490832-74530/root/chroot_tmpdir/scmroot/libburn
Cloning into '/var/lib/mock/dist-an23-build-490832-74530/root/chroot_tmpdir/scmroot/libburn'...
$ git fetch origin ea3cbc944b220812745326c83c9ca84affb67eaa:KOJI_FETCH_HEAD
From https://gitee.com/rabbitali/libburn
 * [new ref]         ea3cbc944b220812745326c83c9ca84affb67eaa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ea3cbc9 Update code from upstream