$ git clone -n https://gitee.com/mgb01105731/maven-doxia.git /var/lib/mock/dist-an23-build-271940-64159/root/chroot_tmpdir/scmroot/maven-doxia
Cloning into '/var/lib/mock/dist-an23-build-271940-64159/root/chroot_tmpdir/scmroot/maven-doxia'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/maven-doxia
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6638541 init upstream from version 1.0