$ git clone -n https://gitee.com/mgb01105731/golang-github-glycerine-unsnap-stream.git /var/lib/mock/dist-an23-epao-build-299785-65900/root/chroot_tmpdir/scmroot/golang-github-glycerine-unsnap-stream
Cloning into '/var/lib/mock/dist-an23-epao-build-299785-65900/root/chroot_tmpdir/scmroot/golang-github-glycerine-unsnap-stream'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/golang-github-glycerine-unsnap-stream
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3df946b init upstream from version 0.1