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#compdef sqlite sqlite3

local opt display_opt sqlite3 ign
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

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

(( $+sqlite3 )) && options+=(
  $^dashes'-A+[run .archive with arguments and exit]'
  $^dashes'-append[append the database to the end of the file]'
  $^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'-readonly[open the database read-only]'
  $^dashes'-stats[print memory stats before each finalize]'
  $^dashes'-vfs[use specified default VFS]:vfs:(unix-dotfile unix-excl unix-none unix-namedsem)'
  $^dashes'-zip[open the file as a ZIP Archive]'
)

if [[ -n $words[(r)-A*] ]]; then
  options=( -s -w : '(-A --A)'${^dashes}-A "(-f --file -a --append)"${(M)options:#1:*}
    '(-v --verbose)'{-v,--verbose}'[print each filename as it is processed]'
    '(1 -a --append -f --file)'{-f+,--file=}'[specify archive file]:archive file:_files'
    '(1 -a --append -f --file)'{-a,--append=}'[operate on specified file opened using the apndvfs VFS]:archive file:_files'
    '(-C --directory)'{-C+,--directory=}'[change to specified directory to read/extract files]:directory:_directories'
    '(-n --dryrun)'{-n,--dryrun}'[show the SQL that would have occurred]'
    '*:file:_files'
    + '(commands)' \
    '(-c --create)'{-c,--create}'[create a new archive]'
    '(-u --update)'{-u,--update}'[update or add files to an existing archive]'
    '(-t --list)'{-t,--list}'[list contents of archive]'
    '(-x --extract)'{-x,--extract}'[extract files from archive]'
  )
fi

_arguments $options