zsh-workers

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 #compdef sqlite sqlite3

_sqlite () {
  local opt display_opt excludeopts
  local -a _opts _output_modes

  _opts=(
    '-init[startup file]:file name to process:_files'
    '-echo[echo commands]'
    '(-noheader)-header[turn headers on]'
    '(-header)-noheader[turn headers off]'
  )

  # output modes are mutually exclusive to each other
  _output_modes=( column HTML line list )
  excludeopts="-${^_output_modes:l}"
  for display_opt in $_output_modes ; do
    opt=$display_opt:l
    # finagle the description to match the way SQLite's help formats them
    [[ $opt = $display_opt ]] && display_opt="'$display_opt'"
    _opts+=( "($excludeopts)-${opt}[set output mode to $display_opt]" )
  done

  _opts+=(
    '-separator[set output field separator]:string to separate output fields:'
    '-nullvalue[set null value string]:string for NULL values:'
    '(- : *)-version[show SQLite version]'
    '(- : *)-help[show help]'
    "1:database file:_files -g '(#i)*.(db|$service)(-.)'"
    '*:SQL to run'
  )

  _arguments -s $_opts
}