$ git clone -n https://gitee.com/liaoxinghai/libpcap.git /var/lib/mock/dist-an8.9-build-372260-71163/root/chroot_tmpdir/scmroot/libpcap
Cloning into '/var/lib/mock/dist-an8.9-build-372260-71163/root/chroot_tmpdir/scmroot/libpcap'...
$ git fetch origin 4efd31634bacec3b538dac0d873e5d99a26b2bef:KOJI_FETCH_HEAD
From https://gitee.com/liaoxinghai/libpcap
 * [new ref]         4efd31634bacec3b538dac0d873e5d99a26b2bef -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4efd316 spec: add doc sub package