$ git clone -n https://gitee.com/mgb01105731/libvisual.git /var/lib/mock/dist-an23-build-341387-69878/root/chroot_tmpdir/scmroot/libvisual
Cloning into '/var/lib/mock/dist-an23-build-341387-69878/root/chroot_tmpdir/scmroot/libvisual'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/libvisual
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a3ca66d rebuild