Bash Completion for Drive

gistfile1.txt

_drive()
{
  COMPREPLY=()
  local cur prev cmd cmds files flags
  cur="${COMP_WORDS[COMP_CWORD]}"
  pre="${COMP_WORDS[COMP_CWORD-1]}"
  cmds="about clashes copy cp deinit del delete diff du edit-desc edit-description emptytrash features file-id help id index init issue list ls md5sum move mv new open pub pull push qr quota rename report repor"
  files="del delete diff edit-desc edit-description file-id id new open pub pull push rename share star stat unpub unshare untrash url"

  if [ $COMP_CWORD -eq 1 ]; then
    COMPREPLY=($(compgen -W "${cmds}" -- "${cur}"))
    return
  fi

  cmd="${COMP_WORDS[1]}"
  case "${cmd}" in
    about)                      flags="-features -filesize -quiet -quota";;
    clashes)                    flags="-depth -fix -hidden -id -list";;
    cp|copy)                    flags="-id -quiet -recursive";;
    deinit)                     flags="-no-prompt";;
    del|delete)                 flags="-hidden -id -matches -no-prompt -quiet";;
    diff)                       flags="-base-local -depth -hidden -ignore-checksum -ignore-conflict -ignore-name-clashes -quiet -recursive -skip-content-check -u";;
    du)                         flags="-depth -directories -exact-owner -exact-title -files -hidden -id -long -match-mime -match-owner -matches -no-prompt -owners -pagesize -quiet -recursive -shared -skip-mime";;
    edit-desc|edit-description) flags="-description -id -piped";;
    emptytrash)                 flags="-no-prompt -quiet";;
    file-id|id)                 flags="-depth -hidden";;
    index)                      flags="-all-ops -exclude-ops -force -hidden -id -ignore-checksum -ignore-conflict -ignore-name-clashes -matches -no-clobber -no-prompt -prune -quiet -recursive -skip-mime";;
    issue|report|report-issue)  flags="-body -piped -title";;
    list|ls)                    flags="-depth -directories -exact-owner -exact-title -files -hidden -id -long -match-mime -match-owner -matches -no-prompt -owners -pagesize -quiet -recursive -shared -skip-mime";;
    md5sum)                     flags="-depth -hidden -id -quiet -recursive";;
    move|mv)                    flags="-id -quiet";;
    new)                        flags="-folder -mime-key";;
    open)                       flags="-file-browser -id -web-browser";;
    pub)                        flags="-hidden -id -quiet";;
    pull)                       flags="-all -decryption-password -depth -desktop-links -directories -exclude-ops -explicitly-export -export -exports-dir -files -fix-clashes -force -hidden -id -ignore-checksum";;
    push)                       flags="-coerced-mime -convert -depth -destination -directories -encryption-password -exclude-ops -files -fix-clashes -force -hidden -ignore-checksum -ignore-conflict -ignore-name";;
    qr)                         flags="-address -id -verbose";;
    rename)                     flags="-force -id -local -quiet -remote";;
    share)                      flags="-emails -id -message -no-prompt -notify -quiet -role -type -verbose -with-link";;
    star)                       flags="-id -no-prompt -quiet";;
    stat)                       flags="-depth -hidden -id -md5sum -quiet -recursive";;
    touch)                      flags="-depth -duration -format -hidden -id -matches -quiet -recursive -time -verbose";;
    trash)                      flags="-hidden -id -matches -quiet";;
    unpub)                      flags="-hidden -id -quiet";;
    unshare)                    flags="-emails -id -no-prompt -quiet -role -type -verbose";;
    unstar)                     flags="-id -no-prompt -quiet";;
    untrash)                    flags="-hidden -id -matches -quiet";;
    url)                        flags="-id";;
  esac

  if [ -n "${flags}" ]; then
    for w in ${COMP_WORDS[@]}; do
      for o in ${flags[@]}; do
        if [[ $w == $o ]]; then flags=( "${flags[@]/$o}" ); fi
      done
    done
  fi

  if [[ "${cur}" == -* ]]; then
    COMPREPLY=($(compgen -W "${flags}" -- "${cur}"))
  elif [[ " ${files[@]} " =~ " $cmd " ]]; then
    COMPREPLY=($(compgen -df -- "${cur}"))
  else
    COMPREPLY=($(compgen -W "${flags}" -- "${cur}"))
  fi
}
complete -F _drive drive