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#compdef sqlite sqlite3

local ret opt display_opt sqlite3
local -a options output_modes exclusive dashes

[[ $service = sqlite3 ]] && sqlite3=true || unset sqlite3

# sqlite options require a single hyphen, but
# sqlite3 allows options with one or two
dashes=( '' )
(( $+sqlite3 )) && dashes+=( - )

options=(
  '(-init --init)'$^dashes'-init[startup file]:file containing SQLite commands:_files'
  $^dashes'-echo[echo commands]'
)

exclusive=( {,-}-{no,}header )
options+=(
  "($exclusive)"$^dashes'-header[turn headers on]'
  "($exclusive)"$^dashes'-noheader[turn headers off]'
)

output_modes=( column HTML line list )
(( $+sqlite3 )) && output_modes+=( ascii csv quote )
exclusive=( $^dashes-${^output_modes:l} )
for display_opt in $output_modes ; do
  # finagle the description to match the way SQLite's -help formats them
  opt=$display_opt:l
  [[ $opt = $display_opt ]] && display_opt="'$display_opt'"
  options+=( "($exclusive)"$^dashes"-${opt}[set output mode to $display_opt]" )
done

options+=(
  $^dashes'-separator[set output field separator]:output field separator [|]'
  $^dashes'-nullvalue[set text string for null values]:string'
  '(- :)'$^dashes'-version[show SQLite version]'
  '(- :)'$^dashes'-help[show help]'
  '1:SQLite database file:_files'
  '(- :)2:SQL to run'
)

(( $+sqlite3 )) && options+=(
  $^dashes'-bail[stop after hitting an error]'
  $^dashes'-cmd[run specified command before reading stdin]:sqlite meta-command'
  '(-*batch -*interactive)'$^dashes'-batch[force batch I/O]'
  '(-*batch -*interactive)'$^dashes'-interactive[force interactive I/O]'
  $^dashes'-lookaside[specify size and number of entries for lookaside memory]:size (bytes): :entries'
  $^dashes'-mmap[set default mmap size]:size'
  $^dashes'-newline[set output row separator]:separator [\n]'
  $^dashes'-pagecache[specify size and number of slots for page cache memory]:size (bytes): :slots'
  $^dashes'-stats[print memory stats before each finalize]'
  $^dashes'-vfs[use specified default VFS]:vfs:(unix-dotfile unix-excl unix-none unix-namedsem)'
)

_arguments $options