$ git clone -n https://gitee.com/src-anolis-os/mt-st.git /var/lib/mock/dist-an23.3-build-423335-72928/root/chroot_tmpdir/scmroot/mt-st
Cloning into '/var/lib/mock/dist-an23.3-build-423335-72928/root/chroot_tmpdir/scmroot/mt-st'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/mt-st
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0ce4ec5 update to 1.7