$ git clone -n https://gitee.com/actor168/libbpf.git /var/lib/mock/dist-an7_9-updates-build-385045-71949/root/chroot_tmpdir/scmroot/libbpf
Cloning into '/var/lib/mock/dist-an7_9-updates-build-385045-71949/root/chroot_tmpdir/scmroot/libbpf'...
$ git fetch origin ce4c223a7e3b851fd3b204d4900255a4f33ed748:KOJI_FETCH_HEAD
From https://gitee.com/actor168/libbpf
 * [new ref]         ce4c223a7e3b851fd3b204d4900255a4f33ed748 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ce4c223 update libbpf.spec. kernel version