sonar.auto

#!/usr/bin/env bash

# -------------------------------------------------------------------------------
#
#    Copyright (c) 2016 Slava Vladyshevsky. All rights reserved.
#    Licensed under the MIT License. See LICENSE file in the project root.
#
#    Author:  Slava Vladyshevsky <slava.vladyshevsky(a)gmail.com>
#    Project: DevOps Automation
#
#    Bash auto-completion for the sonar tool
#
# -------------------------------------------------------------------------------

# see https://www.gnu.org/software/bash/manual/html_node/Programmable-Completion-Builtins.html
# $1: is the name of the command whose arguments are being completed
# $2: is the word being completed, equal to ${COMP_WORDS[COMP_CWORD]}
# $3: is the word preceding the word being completed, equal to ${COMP_WORDS[COMP_CWORD-1]}
_comp_sonar() {
  # the basic CLI objects
  local objects="group template"
  local args=""
  COMPREPLY=()

  if [[ "${1} ${objects}" =~ ${3} ]] ; then
    case "${3}" in
      group)        args="list dir add create del remove" ;;
      template)     args="list dir add create del remove groups addgroup delgroup permissions" ;;
      ${1})         args=${objects} ;;
      *) return 0 ;;
    esac
  else
    case "${COMP_WORDS[1]}-${COMP_WORDS[2]}" in
      group-list|group-dir)          args="--pattern --format" ;;
      group-add|group-create)        args="--group --description" ;;
      group-del|group-remove)        args="--group --gid" ;;
      project-list|project-dir)      args="--key --pattern" ;;
      project-del|project-remove)    args="--key" ;;
      template-list|template-dir)    args="--pattern --format" ;;
      template-add|template-create)  args="--template --key --description" ;;
      template-del|template-remove)  args="--template --tid" ;;
      template-groups)               args="--template --tid --permission" ;;
      template-addgroup)             args="--template --group --permission" ;;
      template-delgroup)             args="--template --group --permission" ;;
      *) return 0 ;;
    esac
  fi

  # complete the choice for some of the common arguments
  if [[ ${3} == --* ]] ; then
    local IFS=$'\n\t'
    case "${3}" in
      --permission) args=$'user\tadmin\tissueadmin\tcodeviewer\tscan' ;;
      --format) args=$'list\ttable' ;;
      *) return 0 ;;
    esac
    COMPREPLY=($(compgen -W "${args[*]}" -- ${2}))
    # escaping spaces and other unsafe characters
    COMPREPLY=($(printf "%q\n" "${COMPREPLY[@]}"))
    return 0
  fi

  COMPREPLY=($(compgen -W "${args[*]}" -- ${2}))
  return 0
}

complete -F _comp_sonar sonar