$ git clone -n https://gitee.com/src-opencloudos-rpms/libtiff.git /var/lib/mock/dist-oc8-build-240333-82685/root/chroot_tmpdir/scmroot/libtiff
Cloning into '/var/lib/mock/dist-oc8-build-240333-82685/root/chroot_tmpdir/scmroot/libtiff'...
$ git fetch origin bf6f9df6f023de29c623e06dae29ef31dd589a13:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libtiff
 * [new ref]         bf6f9df6f023de29c623e06dae29ef31dd589a13 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bf6f9df import libtiff-4.0.9-37.tl3