$ git clone -n https://gitee.com/src-opencloudos-rpms/libarchive.git /var/lib/mock/dist-oc8-build-237584-82434/root/chroot_tmpdir/scmroot/libarchive
Cloning into '/var/lib/mock/dist-oc8-build-237584-82434/root/chroot_tmpdir/scmroot/libarchive'...
$ git fetch origin 43803f83ac5d7d22eee6212a831353537cef8253:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libarchive
 * [new ref]         43803f83ac5d7d22eee6212a831353537cef8253 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 43803f8 import libarchive-3.3.3-7.tl3