$ git clone -n https://gitee.com/src-opencloudos-rpms/libtiff.git /var/lib/mock/dist-oc8-build-100067-60724/root/chroot_tmpdir/scmroot/libtiff
Cloning into '/var/lib/mock/dist-oc8-build-100067-60724/root/chroot_tmpdir/scmroot/libtiff'...
$ git fetch origin 76485fd1cfdc06332737aa02de1408ba371c3947:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libtiff
 * [new ref]         76485fd1cfdc06332737aa02de1408ba371c3947 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 76485fd import libtiff-4.0.9-32.tl3