$ git clone -n https://gitee.com/src-opencloudos-rpms/openjpeg2.git /var/lib/mock/dist-oc9-la64-build-133850-78838/root/chroot_tmpdir/scmroot/openjpeg2
Cloning into '/var/lib/mock/dist-oc9-la64-build-133850-78838/root/chroot_tmpdir/scmroot/openjpeg2'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/openjpeg2
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0ac1689 import openjpeg2-2.5.0-5.tl4