$ git clone -n https://gitee.com/src-anolis-nonfree/vtoa.git /var/lib/mock/dist-an23-epao-nonfree-build-382183-71831/root/chroot_tmpdir/scmroot/vtoa
Cloning into '/var/lib/mock/dist-an23-epao-nonfree-build-382183-71831/root/chroot_tmpdir/scmroot/vtoa'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-nonfree/vtoa
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 40a283f init