$ git clone -n https://gitee.com/src-opencloudos-rpms/python-pillow.git /var/lib/mock/dist-oc8-build-81707-55779/root/chroot_tmpdir/scmroot/python-pillow
Cloning into '/var/lib/mock/dist-oc8-build-81707-55779/root/chroot_tmpdir/scmroot/python-pillow'...
$ git fetch origin 8ab0d0d216852339746b2270b913a051ead509b8:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python-pillow
 * [new ref]         8ab0d0d216852339746b2270b913a051ead509b8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8ab0d0d import python-pillow-5.1.1-21.tl3