$ git clone -n https://gitee.com/src-opencloudos-rpms/openjpeg2.git /var/lib/mock/dist-oc9-build-125087-74699/root/chroot_tmpdir/scmroot/openjpeg2
Cloning into '/var/lib/mock/dist-oc9-build-125087-74699/root/chroot_tmpdir/scmroot/openjpeg2'...
$ git fetch origin 0ac1689f0f7db3a05130f2b17ce4f6e7ce405a55:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/openjpeg2
 * [new ref]         0ac1689f0f7db3a05130f2b17ce4f6e7ce405a55 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0ac1689 import openjpeg2-2.5.0-5.tl4