$ git clone -n https://gitee.com/src-opencloudos-rpms/libtiff.git /var/lib/mock/dist-oc9-build-212829-80766/root/chroot_tmpdir/scmroot/libtiff
Cloning into '/var/lib/mock/dist-oc9-build-212829-80766/root/chroot_tmpdir/scmroot/libtiff'...
$ git fetch origin 9f3e4aa07ce9be9d8e6caa0af8d699f5fc1cbdad:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libtiff
 * [new ref]         9f3e4aa07ce9be9d8e6caa0af8d699f5fc1cbdad -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9f3e4aa import libtiff-4.6.0-7.tl4