$ git clone -n https://gitee.com/src-anolis-os/tracker.git /var/lib/mock/dist-an23-build-285801-64822/root/chroot_tmpdir/scmroot/tracker
Cloning into '/var/lib/mock/dist-an23-build-285801-64822/root/chroot_tmpdir/scmroot/tracker'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/tracker
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 128cb75 3.5.3