$ git clone -n https://gitee.com/mgb01105731/maven-wagon.git /var/lib/mock/dist-an23.2-build-422626-72922/root/chroot_tmpdir/scmroot/maven-wagon
Cloning into '/var/lib/mock/dist-an23.2-build-422626-72922/root/chroot_tmpdir/scmroot/maven-wagon'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/maven-wagon
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 735044a Update to 3.5.3 from 3.5.1