$ git clone -n https://gitee.com/mgb01105731/libiec61883.git /var/lib/mock/dist-an23-build-329641-69372/root/chroot_tmpdir/scmroot/libiec61883
Cloning into '/var/lib/mock/dist-an23-build-329641-69372/root/chroot_tmpdir/scmroot/libiec61883'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/libiec61883
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dbd78e0 rebuild