$ git clone -n https://gitee.com/mgb01105731/jasper.git /var/lib/mock/dist-an23-build-350649-70503/root/chroot_tmpdir/scmroot/jasper
Cloning into '/var/lib/mock/dist-an23-build-350649-70503/root/chroot_tmpdir/scmroot/jasper'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/jasper
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4ba75e8 update to 4.1.2