{-# LANGUAGE LambdaCase #-}
module Hledger.Cli.Main where
import Data.Char (isDigit)
import Data.List
import Safe
import qualified System.Console.CmdArgs.Explicit as C
import System.Environment
import System.Exit
import System.FilePath
import System.Process
import Text.Printf
import Hledger.Cli
import Data.Time.Clock.POSIX (getPOSIXTime)
mainmode :: [String] -> Mode RawOpts
mainmode [String]
addons = Mode RawOpts
defMode {
modeNames :: [String]
modeNames = [String
progname forall a. [a] -> [a] -> [a]
++ String
" [CMD]"]
,modeArgs :: ([Arg RawOpts], Maybe (Arg RawOpts))
modeArgs = ([], forall a. a -> Maybe a
Just forall a b. (a -> b) -> a -> b
$ String -> Arg RawOpts
argsFlag String
"[ARGS]")
,modeHelp :: String
modeHelp = [String] -> String
unlines [String
"hledger's main command line interface. Runs builtin commands and other hledger executables. Type \"hledger\" to list available commands."]
,modeGroupModes :: Group (Mode RawOpts)
modeGroupModes = Group {
groupUnnamed :: [Mode RawOpts]
groupUnnamed = [
]
,groupNamed :: [(String, [Mode RawOpts])]
groupNamed = [
]
,groupHidden :: [Mode RawOpts]
groupHidden = forall a b. (a -> b) -> [a] -> [b]
map forall a b. (a, b) -> a
fst [(Mode RawOpts, CliOpts -> Journal -> IO ())]
builtinCommands forall a. [a] -> [a] -> [a]
++ forall a b. (a -> b) -> [a] -> [b]
map String -> Mode RawOpts
addonCommandMode [String]
addons
}
,modeGroupFlags :: Group (Flag RawOpts)
modeGroupFlags = Group {
groupNamed :: [(String, [Flag RawOpts])]
groupNamed = [
( String
"General input flags", [Flag RawOpts]
inputflags)
,(String
"\nGeneral reporting flags", [Flag RawOpts]
reportflags)
,(String
"\nGeneral help flags", [Flag RawOpts]
helpflags)
]
,groupUnnamed :: [Flag RawOpts]
groupUnnamed = []
,groupHidden :: [Flag RawOpts]
groupHidden =
[Flag RawOpts
detailedversionflag]
}
,modeHelpSuffix :: [String]
modeHelpSuffix = String
"Examples:" forall a. a -> [a] -> [a]
:
forall a b. (a -> b) -> [a] -> [b]
map (String
progname forall a. [a] -> [a] -> [a]
++) [
String
" list commands"
,String
" CMD [--] [OPTS] [ARGS] run a command (use -- with addon commands)"
,String
"-CMD [OPTS] [ARGS] or run addon commands directly"
,String
" -h show general usage"
,String
" CMD -h show command usage"
,String
" help [MANUAL] show any of the hledger manuals in various formats"
]
}
main :: IO ()
main :: IO ()
main = do
POSIXTime
starttime <- IO POSIXTime
getPOSIXTime
[String]
args <- IO [String]
getArgs forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= [String] -> IO [String]
expandArgsAt
let
args' :: [String]
args' = [String] -> [String]
moveFlagsAfterCommand forall a b. (a -> b) -> a -> b
$ [String] -> [String]
replaceNumericFlags [String]
args
isFlag :: String -> Bool
isFlag = (String
"-" forall a. Eq a => [a] -> [a] -> Bool
`isPrefixOf`)
isNonEmptyNonFlag :: String -> Bool
isNonEmptyNonFlag String
s = Bool -> Bool
not (String -> Bool
isFlag String
s) Bool -> Bool -> Bool
&& Bool -> Bool
not (forall (t :: * -> *) a. Foldable t => t a -> Bool
null String
s)
rawcmd :: String
rawcmd = forall a. a -> [a] -> a
headDef String
"" forall a b. (a -> b) -> a -> b
$ forall a. (a -> Bool) -> [a] -> [a]
takeWhile String -> Bool
isNonEmptyNonFlag [String]
args'
isNullCommand :: Bool
isNullCommand = forall (t :: * -> *) a. Foldable t => t a -> Bool
null String
rawcmd
([String]
argsbeforecmd, [String]
argsaftercmd') = forall a. (a -> Bool) -> [a] -> ([a], [a])
break (forall a. Eq a => a -> a -> Bool
==String
rawcmd) [String]
args
argsaftercmd :: [String]
argsaftercmd = forall a. Int -> [a] -> [a]
drop Int
1 [String]
argsaftercmd'
dbgIO :: Show a => String -> a -> IO ()
dbgIO :: forall a. Show a => String -> a -> IO ()
dbgIO = forall (m :: * -> *) a.
(MonadIO m, Show a) =>
Int -> String -> a -> m ()
ptraceAtIO Int
8
forall a. Show a => String -> a -> IO ()
dbgIO String
"running" String
prognameandversion
forall a. Show a => String -> a -> IO ()
dbgIO String
"raw args" [String]
args
forall a. Show a => String -> a -> IO ()
dbgIO String
"raw args rearranged for cmdargs" [String]
args'
forall a. Show a => String -> a -> IO ()
dbgIO String
"raw command is probably" String
rawcmd
forall a. Show a => String -> a -> IO ()
dbgIO String
"raw args before command" [String]
argsbeforecmd
forall a. Show a => String -> a -> IO ()
dbgIO String
"raw args after command" [String]
argsaftercmd
[String]
addons' <- IO [String]
hledgerAddons
let addons :: [String]
addons = forall a. (a -> Bool) -> [a] -> [a]
filter (Bool -> Bool
not forall b c a. (b -> c) -> (a -> b) -> a -> c
. (forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`elem` [String]
builtinCommandNames) forall b c a. (b -> c) -> (a -> b) -> a -> c
. String -> String
dropExtension) [String]
addons'
CliOpts
opts' <- [String] -> [String] -> IO CliOpts
argsToCliOpts [String]
args [String]
addons
let opts :: CliOpts
opts = CliOpts
opts'{progstarttime_ :: POSIXTime
progstarttime_=POSIXTime
starttime}
let
cmd :: String
cmd = CliOpts -> String
command_ CliOpts
opts
isInternalCommand :: Bool
isInternalCommand = String
cmd forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`elem` [String]
builtinCommandNames
isExternalCommand :: Bool
isExternalCommand = Bool -> Bool
not (forall (t :: * -> *) a. Foldable t => t a -> Bool
null String
cmd) Bool -> Bool -> Bool
&& String
cmd forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`elem` [String]
addons
isBadCommand :: Bool
isBadCommand = Bool -> Bool
not (forall (t :: * -> *) a. Foldable t => t a -> Bool
null String
rawcmd) Bool -> Bool -> Bool
&& forall (t :: * -> *) a. Foldable t => t a -> Bool
null String
cmd
hasVersion :: [String] -> Bool
hasVersion = (String
"--version" forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`elem`)
printUsage :: IO ()
printUsage = String -> IO ()
putStr forall a b. (a -> b) -> a -> b
$ forall a. Mode a -> String
showModeUsage forall a b. (a -> b) -> a -> b
$ [String] -> Mode RawOpts
mainmode [String]
addons
badCommandError :: IO b
badCommandError = forall a. String -> a
error' (String
"command "forall a. [a] -> [a] -> [a]
++String
rawcmdforall a. [a] -> [a] -> [a]
++String
" is not recognized, run with no command to see a list") forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> forall a. IO a
exitFailure
hasHelpFlag :: t String -> Bool
hasHelpFlag t String
args1 = forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Bool
any (forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`elem` t String
args1) [String
"-h",String
"--help"]
hasManFlag :: t String -> Bool
hasManFlag t String
args1 = (forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`elem` t String
args1) String
"--man"
hasInfoFlag :: t String -> Bool
hasInfoFlag t String
args1 = (forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`elem` t String
args1) String
"--info"
IO ()
f orShowHelp :: IO () -> Mode a -> IO ()
`orShowHelp` Mode a
mode1
| forall {t :: * -> *}. Foldable t => t String -> Bool
hasHelpFlag [String]
args = String -> IO ()
putStr forall a b. (a -> b) -> a -> b
$ forall a. Mode a -> String
showModeUsage Mode a
mode1
| forall {t :: * -> *}. Foldable t => t String -> Bool
hasInfoFlag [String]
args = String -> Maybe String -> IO ()
runInfoForTopic String
"hledger" (forall a. [a] -> Maybe a
headMay forall a b. (a -> b) -> a -> b
$ forall a. Mode a -> [String]
modeNames Mode a
mode1)
| forall {t :: * -> *}. Foldable t => t String -> Bool
hasManFlag [String]
args = String -> Maybe String -> IO ()
runManForTopic String
"hledger" (forall a. [a] -> Maybe a
headMay forall a b. (a -> b) -> a -> b
$ forall a. Mode a -> [String]
modeNames Mode a
mode1)
| Bool
otherwise = IO ()
f
forall a. Show a => String -> a -> IO ()
dbgIO String
"processed opts" CliOpts
opts
forall a. Show a => String -> a -> IO ()
dbgIO String
"command matched" String
cmd
forall a. Show a => String -> a -> IO ()
dbgIO String
"isNullCommand" Bool
isNullCommand
forall a. Show a => String -> a -> IO ()
dbgIO String
"isInternalCommand" Bool
isInternalCommand
forall a. Show a => String -> a -> IO ()
dbgIO String
"isExternalCommand" Bool
isExternalCommand
forall a. Show a => String -> a -> IO ()
dbgIO String
"isBadCommand" Bool
isBadCommand
forall a. Show a => String -> a -> IO ()
dbgIO String
"period from opts" (ReportOpts -> Period
period_ forall b c a. (b -> c) -> (a -> b) -> a -> c
. ReportSpec -> ReportOpts
_rsReportOpts forall a b. (a -> b) -> a -> b
$ CliOpts -> ReportSpec
reportspec_ CliOpts
opts)
forall a. Show a => String -> a -> IO ()
dbgIO String
"interval from opts" (ReportOpts -> Interval
interval_ forall b c a. (b -> c) -> (a -> b) -> a -> c
. ReportSpec -> ReportOpts
_rsReportOpts forall a b. (a -> b) -> a -> b
$ CliOpts -> ReportSpec
reportspec_ CliOpts
opts)
forall a. Show a => String -> a -> IO ()
dbgIO String
"query from opts & args" (ReportSpec -> Query
_rsQuery forall a b. (a -> b) -> a -> b
$ CliOpts -> ReportSpec
reportspec_ CliOpts
opts)
let
journallesserror :: a
journallesserror = forall a. HasCallStack => String -> a
error forall a b. (a -> b) -> a -> b
$ String
cmdforall a. [a] -> [a] -> [a]
++String
" tried to read the journal but is not supposed to"
runHledgerCommand :: IO ()
runHledgerCommand
| Bool
isNullCommand Bool -> Bool -> Bool
&& forall {t :: * -> *}. Foldable t => t String -> Bool
hasHelpFlag [String]
args = forall a. Show a => String -> a -> IO ()
dbgIO String
"" String
"-h/--help with no command, showing general help" forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> IO ()
printUsage
| Bool
isNullCommand Bool -> Bool -> Bool
&& forall {t :: * -> *}. Foldable t => t String -> Bool
hasInfoFlag [String]
args = forall a. Show a => String -> a -> IO ()
dbgIO String
"" String
"--info with no command, showing general info manual" forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> String -> Maybe String -> IO ()
runInfoForTopic String
"hledger" forall a. Maybe a
Nothing
| Bool
isNullCommand Bool -> Bool -> Bool
&& forall {t :: * -> *}. Foldable t => t String -> Bool
hasManFlag [String]
args = forall a. Show a => String -> a -> IO ()
dbgIO String
"" String
"--man with no command, showing general man page" forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> String -> Maybe String -> IO ()
runManForTopic String
"hledger" forall a. Maybe a
Nothing
| Bool -> Bool
not (Bool
isExternalCommand Bool -> Bool -> Bool
|| forall {t :: * -> *}. Foldable t => t String -> Bool
hasHelpFlag [String]
args Bool -> Bool -> Bool
|| forall {t :: * -> *}. Foldable t => t String -> Bool
hasInfoFlag [String]
args Bool -> Bool -> Bool
|| forall {t :: * -> *}. Foldable t => t String -> Bool
hasManFlag [String]
args)
Bool -> Bool -> Bool
&& ([String] -> Bool
hasVersion [String]
args)
= String -> IO ()
putStrLn String
prognameandversion
| Bool
isNullCommand = forall a. Show a => String -> a -> IO ()
dbgIO String
"" String
"no command, showing commands list" forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> String -> [String] -> IO ()
printCommandsList String
prognameandversion [String]
addons
| Bool
isBadCommand = forall a. IO a
badCommandError
| Just (Mode RawOpts
cmdmode, CliOpts -> Journal -> IO ()
cmdaction) <- String -> Maybe (Mode RawOpts, CliOpts -> Journal -> IO ())
findCommand String
cmd =
(case Bool
True of
Bool
_ | String
cmd forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`elem` [String
"test",String
"help"] -> CliOpts -> Journal -> IO ()
cmdaction CliOpts
opts forall {a}. a
journallesserror
Bool
_ | String
cmd forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`elem` [String
"add",String
"import"] -> do
String -> IO ()
ensureJournalFileExists forall b c a. (b -> c) -> (a -> b) -> a -> c
. forall a. [a] -> a
head forall (m :: * -> *) a b. Monad m => (a -> m b) -> m a -> m b
=<< CliOpts -> IO [String]
journalFilePathFromOpts CliOpts
opts
forall a. CliOpts -> (Journal -> IO a) -> IO a
withJournalDo CliOpts
opts (CliOpts -> Journal -> IO ()
cmdaction CliOpts
opts)
Bool
_ -> forall a. CliOpts -> (Journal -> IO a) -> IO a
withJournalDo CliOpts
opts (CliOpts -> Journal -> IO ()
cmdaction CliOpts
opts)
)
forall {a}. IO () -> Mode a -> IO ()
`orShowHelp` Mode RawOpts
cmdmode
| Bool
isExternalCommand = do
let externalargs :: [String]
externalargs = [String]
argsbeforecmd forall a. [a] -> [a] -> [a]
++ forall a. (a -> Bool) -> [a] -> [a]
filter (forall a. Eq a => a -> a -> Bool
/=String
"--") [String]
argsaftercmd
let shellcmd :: String
shellcmd = forall r. PrintfType r => String -> r
printf String
"%s-%s %s" String
progname String
cmd ([String] -> String
unwords' [String]
externalargs) :: String
forall a. Show a => String -> a -> IO ()
dbgIO String
"external command selected" String
cmd
forall a. Show a => String -> a -> IO ()
dbgIO String
"external command arguments" (forall a b. (a -> b) -> [a] -> [b]
map String -> String
quoteIfNeeded [String]
externalargs)
forall a. Show a => String -> a -> IO ()
dbgIO String
"running shell command" String
shellcmd
String -> IO ExitCode
system String
shellcmd forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= forall a. ExitCode -> IO a
exitWith
| Bool
otherwise = forall a. String -> a
usageError (String
"could not understand the arguments "forall a. [a] -> [a] -> [a]
++forall a. Show a => a -> String
show [String]
args) forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> forall a. IO a
exitFailure
IO ()
runHledgerCommand
argsToCliOpts :: [String] -> [String] -> IO CliOpts
argsToCliOpts :: [String] -> [String] -> IO CliOpts
argsToCliOpts [String]
args [String]
addons = do
let
args' :: [String]
args' = [String] -> [String]
moveFlagsAfterCommand forall a b. (a -> b) -> a -> b
$ [String] -> [String]
replaceNumericFlags [String]
args
cmdargsopts :: RawOpts
cmdargsopts = forall a c b. (a -> c) -> (b -> c) -> Either a b -> c
either forall a. String -> a
usageError forall a. a -> a
id forall a b. (a -> b) -> a -> b
$ forall a. Mode a -> [String] -> Either String a
C.process ([String] -> Mode RawOpts
mainmode [String]
addons) [String]
args'
RawOpts -> IO CliOpts
rawOptsToCliOpts RawOpts
cmdargsopts
moveFlagsAfterCommand :: [String] -> [String]
moveFlagsAfterCommand :: [String] -> [String]
moveFlagsAfterCommand [String]
args = [String] -> [String]
moveArgs forall a b. (a -> b) -> a -> b
$ [String] -> [String]
ensureDebugHasArg [String]
args
where
ensureDebugHasArg :: [String] -> [String]
ensureDebugHasArg [String]
as =
case forall a. (a -> Bool) -> [a] -> ([a], [a])
break (forall a. Eq a => a -> a -> Bool
==String
"--debug") [String]
as of
([String]
bs,String
"--debug":String
c:[String]
cs) | forall (t :: * -> *) a. Foldable t => t a -> Bool
null String
c Bool -> Bool -> Bool
|| Bool -> Bool
not (forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Bool
all Char -> Bool
isDigit String
c) -> [String]
bsforall a. [a] -> [a] -> [a]
++String
"--debug=1"forall a. a -> [a] -> [a]
:String
cforall a. a -> [a] -> [a]
:[String]
cs
([String]
bs,[String
"--debug"]) -> [String]
bsforall a. [a] -> [a] -> [a]
++[String
"--debug=1"]
([String], [String])
_ -> [String]
as
moveArgs :: [String] -> [String]
moveArgs [String]
args1 = forall {a}. ([a], [a]) -> [a]
insertFlagsAfterCommand forall a b. (a -> b) -> a -> b
$ ([String], [String]) -> ([String], [String])
moveArgs' ([String]
args1, [])
where
moveArgs' :: ([String], [String]) -> ([String], [String])
moveArgs' ((String
f:String
v:String
a:[String]
as), [String]
flags) | String -> Bool
isMovableReqArgFlag String
f, String -> Bool
isValue String
v = ([String], [String]) -> ([String], [String])
moveArgs' (String
aforall a. a -> [a] -> [a]
:[String]
as, [String]
flags forall a. [a] -> [a] -> [a]
++ [String
f,String
v])
moveArgs' ((String
fv:String
a:[String]
as), [String]
flags) | String -> Bool
isMovableArgFlagAndValue String
fv = ([String], [String]) -> ([String], [String])
moveArgs' (String
aforall a. a -> [a] -> [a]
:[String]
as, [String]
flags forall a. [a] -> [a] -> [a]
++ [String
fv])
moveArgs' ((String
f:String
a:[String]
as), [String]
flags) | String -> Bool
isMovableReqArgFlag String
f, Bool -> Bool
not (String -> Bool
isValue String
a) = ([String], [String]) -> ([String], [String])
moveArgs' (String
aforall a. a -> [a] -> [a]
:[String]
as, [String]
flags forall a. [a] -> [a] -> [a]
++ [String
f])
moveArgs' ((String
f:String
a:[String]
as), [String]
flags) | String -> Bool
isMovableNoArgFlag String
f = ([String], [String]) -> ([String], [String])
moveArgs' (String
aforall a. a -> [a] -> [a]
:[String]
as, [String]
flags forall a. [a] -> [a] -> [a]
++ [String
f])
moveArgs' ([String]
as, [String]
flags) = ([String]
as, [String]
flags)
insertFlagsAfterCommand :: ([a], [a]) -> [a]
insertFlagsAfterCommand ([], [a]
flags) = [a]
flags
insertFlagsAfterCommand (a
command1:[a]
args2, [a]
flags) = [a
command1] forall a. [a] -> [a] -> [a]
++ [a]
flags forall a. [a] -> [a] -> [a]
++ [a]
args2
isMovableNoArgFlag :: String -> Bool
isMovableNoArgFlag String
a = String
"-" forall a. Eq a => [a] -> [a] -> Bool
`isPrefixOf` String
a Bool -> Bool -> Bool
&& forall a. (a -> Bool) -> [a] -> [a]
dropWhile (forall a. Eq a => a -> a -> Bool
==Char
'-') String
a forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`elem` [String]
optargflagstomove forall a. [a] -> [a] -> [a]
++ [String]
noargflagstomove
isMovableReqArgFlag :: String -> Bool
isMovableReqArgFlag String
a = String
"-" forall a. Eq a => [a] -> [a] -> Bool
`isPrefixOf` String
a Bool -> Bool -> Bool
&& forall a. (a -> Bool) -> [a] -> [a]
dropWhile (forall a. Eq a => a -> a -> Bool
==Char
'-') String
a forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`elem` [String]
reqargflagstomove
isMovableArgFlagAndValue :: String -> Bool
isMovableArgFlagAndValue (Char
'-':Char
'-':Char
a:String
as) = case forall a. (a -> Bool) -> [a] -> ([a], [a])
break (forall a. Eq a => a -> a -> Bool
== Char
'=') (Char
aforall a. a -> [a] -> [a]
:String
as) of
(Char
f:String
fs,Char
_:String
_) -> (Char
fforall a. a -> [a] -> [a]
:String
fs) forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`elem` [String]
optargflagstomove forall a. [a] -> [a] -> [a]
++ [String]
reqargflagstomove
(String, String)
_ -> Bool
False
isMovableArgFlagAndValue (Char
'-':Char
shortflag:Char
_:String
_) = [Char
shortflag] forall (t :: * -> *) a. (Foldable t, Eq a) => a -> t a -> Bool
`elem` [String]
reqargflagstomove
isMovableArgFlagAndValue String
_ = Bool
False
isValue :: String -> Bool
isValue String
"-" = Bool
True
isValue (Char
'-':String
_) = Bool
False
isValue String
_ = Bool
True
flagstomove :: [Flag RawOpts]
flagstomove = [Flag RawOpts]
inputflags forall a. [a] -> [a] -> [a]
++ [Flag RawOpts]
reportflags forall a. [a] -> [a] -> [a]
++ [Flag RawOpts]
helpflags
noargflagstomove :: [String]
noargflagstomove = forall (t :: * -> *) a b. Foldable t => (a -> [b]) -> t a -> [b]
concatMap forall a. Flag a -> [String]
flagNames forall a b. (a -> b) -> a -> b
$ forall a. (a -> Bool) -> [a] -> [a]
filter ((forall a. Eq a => a -> a -> Bool
==FlagInfo
FlagNone)forall b c a. (b -> c) -> (a -> b) -> a -> c
.forall a. Flag a -> FlagInfo
flagInfo) [Flag RawOpts]
flagstomove
reqargflagstomove :: [String]
reqargflagstomove =
forall (t :: * -> *) a b. Foldable t => (a -> [b]) -> t a -> [b]
concatMap forall a. Flag a -> [String]
flagNames forall a b. (a -> b) -> a -> b
$ forall a. (a -> Bool) -> [a] -> [a]
filter ((forall a. Eq a => a -> a -> Bool
==FlagInfo
FlagReq )forall b c a. (b -> c) -> (a -> b) -> a -> c
.forall a. Flag a -> FlagInfo
flagInfo) [Flag RawOpts]
flagstomove
optargflagstomove :: [String]
optargflagstomove = forall (t :: * -> *) a b. Foldable t => (a -> [b]) -> t a -> [b]
concatMap forall a. Flag a -> [String]
flagNames forall a b. (a -> b) -> a -> b
$ forall a. (a -> Bool) -> [a] -> [a]
filter (FlagInfo -> Bool
isFlagOpt forall b c a. (b -> c) -> (a -> b) -> a -> c
.forall a. Flag a -> FlagInfo
flagInfo) [Flag RawOpts]
flagstomove
where
isFlagOpt :: FlagInfo -> Bool
isFlagOpt = \case
FlagOpt String
_ -> Bool
True
FlagOptRare String
_ -> Bool
True
FlagInfo
_ -> Bool
False