$ git clone -n https://gitee.com/src-anolis-dde/deepin-diskmanager.git /var/lib/mock/dist-an23-build-525878-78554/root/chroot_tmpdir/scmroot/deepin-diskmanager
Cloning into '/var/lib/mock/dist-an23-build-525878-78554/root/chroot_tmpdir/scmroot/deepin-diskmanager'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-dde/deepin-diskmanager
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 113e170 update to version 1.3.38