vyatta-op-run

# Copyright (c) 2018-2019 AT&T Intellectual Property.
# All Rights Reserved.
# Copyright (c) 2013-2017 by Brocade Communications Systems, Inc.
# All rights reserved.
#
# SPDX-License-Identifier: LGPL-2.1-only

source /lib/opc/opc-args-encoder

_vyatta_op_init ()
{
    local bashopts=""
    # empty and first word or default line completion
    complete -E -F _vyatta_op_expand
    # bash >= 5.0
    if [ ${BASH_VERSION:0:1} -ge 5 ]; then
        complete -I -F _vyatta_op_default_expand &>/dev/null
        # fallback to vyatta-bash
        if [ $? -ne 0 ]; then
            complete -D -F _vyatta_op_default_expand -o nofirstword &>/dev/null
            # fallback to bash << 5.0
            if [ $? -ne 0 ]; then
                complete -D -F _vyatta_op_default_expand
            fi
        fi
    else
        complete -D -F _vyatta_op_default_expand -o nofirstword &>/dev/null
    fi

    # Override shopt to ensure the output it returns, when called with -po,
    # will result in the builtin set being called, rather than our alias.
    # The output from all calls to shopt is passed to sed although we are
    # only interested in the output when -po is used.
    shopt() {
        builtin shopt "$@" | sed -Ee 's/^set ([-+])/builtin set \1/'
    }

    # create the top level aliases for the unambiguous portions of the commands
    # this is the only place we need an entire enumerated list of the subcommands
    for cmd in $( /opt/vyatta/bin/opc -op children '' ); do
      for pos in $(seq 1 ${#cmd}); do
        case ${cmd:0:$pos} in
          for|do|done|if|fi|case|while|tr )
            continue ;;
          *) ;;
        esac
        complete -F _vyatta_op_expand ${cmd:0:$pos}
        eval alias ${cmd:0:$pos}=\'_vyatta_op_run ${cmd:0:$pos}\'
      done
    done

    shopt -s histverify
}

_vyatta_op_encode_args() {
    opc_encode_args "$@"
}

_vyatta_op_get_node_def_field ()
{
    OPC_FIELD=$2 OPC_ARGS=$(_vyatta_op_encode_args $1) /opt/vyatta/bin/opc -op field-from-env
}

_vyatta_op_run_local ()
{
    eval "$(OPC_FIELD=run OPC_ARGS=$(_vyatta_op_encode_args $@) /opt/vyatta/bin/opc -op field-from-env)"
}

_vyatta_op_run ()
{
    local -i estat
    local tpath=$vyatta_op_templates
    local restore_shopts=$( shopt -p extglob nullglob | tr \\n \; )
    shopt -s extglob nullglob

    args=($(OPC_ARGS=$(_vyatta_op_encode_args "$@") /opt/vyatta/bin/opc -op expand-from-env 2>/dev/null))

    _vyatta_op_last_comp=${_vyatta_op_last_comp_init}
    false; estat=$?

    i=1
    local ret=0
    local cmd_regex="^(LESSOPEN=|less|pager|tail|/opt/vyatta/bin/vyatta-tshark-interface-port.pl).*"
    eval $restore_shopts
    if [[ -t 1 &&  "${args[0]}" == "show" && ! $run_cmd =~ $cmd_regex ]] ; then
      OPC_ARGS=$(_vyatta_op_encode_args "$@") /opt/vyatta/bin/opc -op run-from-env | ${VYATTA_PAGER:-cat}
      ret=${PIPESTATUS[0]}
    else
      if [[ $(OPC_FIELD=local OPC_ARGS=$(_vyatta_op_encode_args "$@") /opt/vyatta/bin/opc -op field-from-env 2>/dev/null) == "true" ]]; then
          _vyatta_op_run_local "${args[@]}" #pass expanded args for eval
	  ret=$?
      else
          OPC_ARGS=$(_vyatta_op_encode_args "$@") /opt/vyatta/bin/opc -op run-from-env
          ret=$?
      fi
    fi
    return $ret
}

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