$ git clone -n https://gitee.com/src-opencloudos-rpms/libwebp /var/lib/mock/dist-oc8-build-57999-15846/root/chroot_tmpdir/scmroot/libwebp
Cloning into '/var/lib/mock/dist-oc8-build-57999-15846/root/chroot_tmpdir/scmroot/libwebp'...
$ git fetch origin oc8:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libwebp
 * [new branch]      oc8        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 487f211 import libwebp-1.0.0-9.tl3.1