$ git clone -n https://gitee.com/src-anolis-os/libbase.git /var/lib/mock/dist-an23.3-build-412075-72745/root/chroot_tmpdir/scmroot/libbase
Cloning into '/var/lib/mock/dist-an23.3-build-412075-72745/root/chroot_tmpdir/scmroot/libbase'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-os/libbase
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6db40c9 import libbase-1.1.3-18.el8.src.rpm