$ git clone -n https://gitee.com/src-opencloudos-rpms/libjpeg-turbo.git /var/lib/mock/dist-oc9-build-120980-71515/root/chroot_tmpdir/scmroot/libjpeg-turbo
Cloning into '/var/lib/mock/dist-oc9-build-120980-71515/root/chroot_tmpdir/scmroot/libjpeg-turbo'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libjpeg-turbo
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5ff8d4a import libjpeg-turbo-2.1.4-5.tl4