$ git clone -n https://gitee.com/src-opencloudos-rpms/libarchive.git /var/lib/mock/dist-oc9-build-73061-48569/root/chroot_tmpdir/scmroot/libarchive
Cloning into '/var/lib/mock/dist-oc9-build-73061-48569/root/chroot_tmpdir/scmroot/libarchive'...
$ git fetch origin 720e5a35b88da0cf2a790332477ad1123c17b1c6:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libarchive
 * [new ref]         720e5a35b88da0cf2a790332477ad1123c17b1c6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 720e5a3 import libarchive-3.7.1-3.tl4