$ git clone -n https://gitee.com/src-opencloudos-rpms/libformula.git /var/lib/mock/dist-oc8-build-254596-84431/root/chroot_tmpdir/scmroot/libformula
Cloning into '/var/lib/mock/dist-oc8-build-254596-84431/root/chroot_tmpdir/scmroot/libformula'...
$ git fetch origin 548a28957a841977b7c97c99bef8c5f7a078bd66:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libformula
 * [new ref]         548a28957a841977b7c97c99bef8c5f7a078bd66 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 548a289 import libformula-1.1.3-20.tl3