_m2_make_goals()
{
  plugin=$1
  mojos=$2
  for mojo in $mojos
  do
    export goals="$goals $plugin:$mojo"
  done
}

_m2_complete()
{
  local cur goals

  COMPREPLY=()
  cur="${COMP_WORDS[COMP_CWORD]}"
  prev="${COMP_WORDS[COMP_CWORD-1]}"

  case "${prev}" in
       -f | --file|-l|--log-file)
              COMPREPLY=( $(compgen -f ${cur}) )
              return 0
       ;;
       *);;
  esac


  goals='clean compile test install package deploy site verify'
  if [[ ${cur} == -* ]] ; then
     goals="$goals -am --also-make
                   -amd --also-make-dependents
                   -B --batch-mode
                   -C --strict-checksums
                   -c --lax-checksums
                   -cpu --check-plugin-updates
                   -D --define
                   -e --errors
                   -emp --encrypt-master-password
                   -ep --encrypt-password
                   -f --file
                   -fae --fail-at-end
                   -ff --fail-fast
                   -fn --fail-never
                   -gs --global-settings
                   -h --help
                   -l --log-file
                   -N --non-recursive
                   -npr --no-plugin-registry
                   -npu --no-plugin-updates
                   -nsu --no-snapshot-updates
                   -o --offline
                   -P --activate-profiles
                   -pl --projects
                   -q --quiet
                   -rf --resume-from
                   -s --settings
                   -T --threads
                   -t --toolchains
                   -U --update-snapshots
                   -up --update-plugins
                   -V --show-version
                   -v --version
                   -X --debug
                   -Dmaven.test.skip=true
                   -Dmaven.compiler.source=1.5
                   -Dmaven.compiler.source=1.6
                   -Dmaven.compiler.source=1.7
                   -Dmaven.compiler.target=1.5
                   -Dmaven.compiler.target=1.6
                   -Dmaven.compiler.target=1.7
                   -Dproject.build.sourceEncoding=UTF-8
                   -Dmaven.repo.local=
                   -Dmaven.local.depmap.file=
                   -Dmaven.local.debug=true
                   -Dmaven.local.mode=true"
  fi

  goals=$goals _m2_make_goals "eclipse" "eclipse"
  goals=$goals _m2_make_goals "idea" "idea"
  goals=$goals _m2_make_goals "assembly" "assembly"
  goals=$goals _m2_make_goals "plexus" "app bundle-application bundle-runtime descriptor runtime service"
  goals=$goals _m2_make_goals "dependency" "analyze analyze-dep-mgt analyze-only analyze-report analyze-duplicate
                                           build-classpath copy copy-dependencies get go-offline list properties
                                           purge-local-repository resolve resolve-plugins sources tree unpack
                                           unpack-dependencies"
  cur=`echo $cur | sed 's/\\\\//g'`
  COMPREPLY=($(compgen -W "${goals}" -- ${cur} | sed 's/\\\\//g') )
}

complete -F _m2_complete -o filenames mvn