$ git clone -n https://gitee.com/mgb01105731/maven-jar-plugin.git /var/lib/mock/dist-an23-build-507665-74937/root/chroot_tmpdir/scmroot/maven-jar-plugin
Cloning into '/var/lib/mock/dist-an23-build-507665-74937/root/chroot_tmpdir/scmroot/maven-jar-plugin'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/maven-jar-plugin
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 82abe2e update to 3.3.0