$ git clone -n https://gitee.com/src-opencloudos-rpms/libarchive.git /var/lib/mock/dist-oc9-build-239634-82611/root/chroot_tmpdir/scmroot/libarchive
Cloning into '/var/lib/mock/dist-oc9-build-239634-82611/root/chroot_tmpdir/scmroot/libarchive'...
$ git fetch origin b71a65df1ec2b462e25760b645d7948444673984:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libarchive
 * [new ref]         b71a65df1ec2b462e25760b645d7948444673984 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b71a65d import libarchive-3.7.1-14.tl4