$ git clone -n https://gitee.com/mgb01105731/golang-github-mattn-runewidth.git /var/lib/mock/dist-an23-epao-build-299750-65900/root/chroot_tmpdir/scmroot/golang-github-mattn-runewidth
Cloning into '/var/lib/mock/dist-an23-epao-build-299750-65900/root/chroot_tmpdir/scmroot/golang-github-mattn-runewidth'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/golang-github-mattn-runewidth
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fe556db init upstream from version 0.0.15