$ git clone -n https://gitee.com/mgb01105731/groovy.git /var/lib/mock/dist-an23-build-272038-64161/root/chroot_tmpdir/scmroot/groovy
Cloning into '/var/lib/mock/dist-an23-build-272038-64161/root/chroot_tmpdir/scmroot/groovy'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/groovy
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4e68b99 init upstream from version 1.8.6