$ git clone -n https://gitee.com/src-opencloudos-rpms/libarchive.git /var/lib/mock/dist-oc9-build-81213-54840/root/chroot_tmpdir/scmroot/libarchive
Cloning into '/var/lib/mock/dist-oc9-build-81213-54840/root/chroot_tmpdir/scmroot/libarchive'...
$ git fetch origin 76292bc6d4888a8ead75700e13d5984c5c7f8ca8:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libarchive
 * [new ref]         76292bc6d4888a8ead75700e13d5984c5c7f8ca8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 76292bc import libarchive-3.7.1-4.tl4