{-# LANGUAGE OverloadedStrings,RecordWildCards #-}
module Stack.Options
(Command(..)
,benchOptsParser
,buildOptsParser
,cleanOptsParser
,configCmdSetParser
,configOptsParser
,dockerOptsParser
,dockerCleanupOptsParser
,dotOptsParser
,execOptsParser
,evalOptsParser
,globalOptsParser
,initOptsParser
,newOptsParser
,nixOptsParser
,logLevelOptsParser
,ghciOptsParser
,solverOptsParser
,testOptsParser
,hpcReportOptsParser
,pvpBoundsOption
,globalOptsFromMonoid
) where
import Control.Monad.Logger (LogLevel(..))
import Data.Char (isSpace, toLower)
import Data.List (intercalate)
import Data.List.Split (splitOn)
import qualified Data.Map as Map
import Data.Map.Strict (Map)
import qualified Data.Map.Strict as M
import Data.Maybe
import Data.Monoid
import qualified Data.Set as Set
import qualified Data.Text as T
import Data.Text.Read (decimal)
import Distribution.Version (anyVersion)
import Options.Applicative
import Options.Applicative.Args
import Options.Applicative.Builder.Extra
import Options.Applicative.Types (fromM, oneM, readerAsk)
import Stack.Clean (CleanOpts(..))
import Stack.Config (packagesParser)
import Stack.ConfigCmd
import Stack.Constants (stackProgName)
import Stack.Coverage (HpcReportOpts(..))
import Stack.Docker
import qualified Stack.Docker as Docker
import Stack.Dot
import Stack.Ghci (GhciOpts(..))
import Stack.Init
import Stack.New
import Stack.Nix
import Stack.Types
import Stack.Types.TemplateName
data Command
= Build
| Test
| Haddock
| Bench
| Install
deriving (Eq)
benchOptsParser :: Parser BenchmarkOpts
benchOptsParser = BenchmarkOpts
<$> optional (strOption (long "benchmark-arguments" <>
metavar "BENCH_ARGS" <>
help ("Forward BENCH_ARGS to the benchmark suite. " <>
"Supports templates from `cabal bench`")))
<*> switch (long "no-run-benchmarks" <>
help "Disable running of benchmarks. (Benchmarks will still be built.)")
buildOptsParser :: Command
-> Parser BuildOpts
buildOptsParser cmd =
BuildOpts <$> target <*> libProfiling <*> exeProfiling <*>
haddock <*> haddockDeps <*> dryRun <*> ghcOpts <*>
flags <*> copyBins <*> preFetch <*> buildSubset <*>
fileWatch' <*> keepGoing <*> forceDirty <*> tests <*>
testOptsParser <*> benches <*> benchOptsParser <*>
many exec <*> onlyConfigure <*> reconfigure <*> cabalVerbose
where target =
many (textArgument
(metavar "TARGET" <>
help "If none specified, use all packages"))
libProfiling =
boolFlags False
"library-profiling"
"library profiling for TARGETs and all its dependencies"
idm
exeProfiling =
boolFlags False
"executable-profiling"
"executable profiling for TARGETs and all its dependencies"
idm
haddock =
boolFlags (cmd == Haddock)
"haddock"
"generating Haddocks the package(s) in this directory/configuration"
idm
haddockDeps =
maybeBoolFlags
"haddock-deps"
"building Haddocks for dependencies"
idm
copyBins = boolFlags (cmd == Install)
"copy-bins"
"copying binaries to the local-bin-path (see 'stack path')"
idm
dryRun = switch (long "dry-run" <>
help "Don't build anything, just prepare to")
ghcOpts = (\x y z -> concat [x, y, z])
<$> flag [] ["-Wall", "-Werror"]
( long "pedantic"
<> help "Turn on -Wall and -Werror"
)
<*> flag [] ["-O0"]
( long "fast"
<> help "Turn off optimizations (-O0)"
)
<*> many (textOption (long "ghc-options" <>
metavar "OPTION" <>
help "Additional options passed to GHC"))
flags = Map.unionsWith Map.union <$> many
(option readFlag
(long "flag" <>
metavar "PACKAGE:[-]FLAG" <>
help ("Override flags set in stack.yaml " <>
"(applies to local packages and extra-deps)")))
preFetch = switch
(long "prefetch" <>
help "Fetch packages necessary for the build immediately, useful with --dry-run")
buildSubset =
flag' BSOnlyDependencies
(long "dependencies-only" <>
help "A synonym for --only-dependencies")
<|> flag' BSOnlySnapshot
(long "only-snapshot" <>
help "Only build packages for the snapshot database, not the local database")
<|> flag' BSOnlyDependencies
(long "only-dependencies" <>
help "Only build packages that are dependencies of targets on the command line")
<|> pure BSAll
fileWatch' =
flag' FileWatch
(long "file-watch" <>
help "Watch for changes in local files and automatically rebuild. Ignores files in VCS boring/ignore file")
<|> flag' FileWatchPoll
(long "file-watch-poll" <>
help "Like --file-watch, but polling the filesystem instead of using events")
<|> pure NoFileWatch
keepGoing = maybeBoolFlags
"keep-going"
"continue running after a step fails (default: false for build, true for test/bench)"
idm
forceDirty = switch
(long "force-dirty" <>
help "Force treating all local packages as having dirty files (useful for cases where stack can't detect a file change)")
tests = boolFlags (cmd == Test)
"test"
"testing the package(s) in this directory/configuration"
idm
benches = boolFlags (cmd == Bench)
"bench"
"benchmarking the package(s) in this directory/configuration"
idm
exec = cmdOption
( long "exec" <>
metavar "CMD [ARGS]" <>
help "Command and arguments to run after a successful build" )
onlyConfigure = switch
(long "only-configure" <>
help "Only perform the configure step, not any builds. Intended for tool usage, may break when used on multiple packages at once!")
reconfigure = switch
(long "reconfigure" <>
help "Perform the configure step even if unnecessary. Useful in some corner cases with custom Setup.hs files")
cabalVerbose = switch
(long "cabal-verbose" <>
help "Ask Cabal to be verbose in its output")
readFlag :: ReadM (Map (Maybe PackageName) (Map FlagName Bool))
readFlag = do
s <- readerAsk
case break (== ':') s of
(pn, ':':mflag) -> do
pn' <-
case parsePackageNameFromString pn of
Nothing
| pn == "*" -> return Nothing
| otherwise -> readerError $ "Invalid package name: " ++ pn
Just x -> return $ Just x
let (b, flagS) =
case mflag of
'-':x -> (False, x)
_ -> (True, mflag)
flagN <-
case parseFlagNameFromString flagS of
Nothing -> readerError $ "Invalid flag name: " ++ flagS
Just x -> return x
return $ Map.singleton pn' $ Map.singleton flagN b
_ -> readerError "Must have a colon"
cleanOptsParser :: Parser CleanOpts
cleanOptsParser = CleanOpts <$> packages
where
packages =
many
(packageNameArgument
(metavar "PACKAGE" <>
help "If none specified, clean all local packages"))
configOptsParser :: Bool -> Parser ConfigMonoid
configOptsParser hide0 =
(\workDir dockerOpts nixOpts systemGHC installGHC arch os ghcVariant jobs includes libs skipGHCCheck skipMsys localBin modifyCodePage -> mempty
{ configMonoidWorkDir = workDir
, configMonoidDockerOpts = dockerOpts
, configMonoidNixOpts = nixOpts
, configMonoidSystemGHC = systemGHC
, configMonoidInstallGHC = installGHC
, configMonoidSkipGHCCheck = skipGHCCheck
, configMonoidArch = arch
, configMonoidOS = os
, configMonoidGHCVariant = ghcVariant
, configMonoidJobs = jobs
, configMonoidExtraIncludeDirs = includes
, configMonoidExtraLibDirs = libs
, configMonoidSkipMsys = skipMsys
, configMonoidLocalBinPath = localBin
, configMonoidModifyCodePage = modifyCodePage
})
<$> optional (strOption
( long "work-dir"
<> metavar "WORK-DIR"
<> help "Override work directory (default: .stack-work)"
<> hide
))
<*> dockerOptsParser True
<*> nixOptsParser True
<*> maybeBoolFlags
"system-ghc"
"using the system installed GHC (on the PATH) if available and a matching version"
hide
<*> maybeBoolFlags
"install-ghc"
"downloading and installing GHC if necessary (can be done manually with stack setup)"
hide
<*> optional (strOption
( long "arch"
<> metavar "ARCH"
<> help "System architecture, e.g. i386, x86_64"
<> hide
))
<*> optional (strOption
( long "os"
<> metavar "OS"
<> help "Operating system, e.g. linux, windows"
<> hide
))
<*> optional (ghcVariantParser hide0)
<*> optional (option auto
( long "jobs"
<> short 'j'
<> metavar "JOBS"
<> help "Number of concurrent jobs to run"
<> hide
))
<*> fmap Set.fromList (many (textOption
( long "extra-include-dirs"
<> metavar "DIR"
<> help "Extra directories to check for C header files"
<> hide
)))
<*> fmap Set.fromList (many (textOption
( long "extra-lib-dirs"
<> metavar "DIR"
<> help "Extra directories to check for libraries"
<> hide
)))
<*> maybeBoolFlags
"skip-ghc-check"
"skipping the GHC version and architecture check"
hide
<*> maybeBoolFlags
"skip-msys"
"skipping the local MSYS installation (Windows only)"
hide
<*> optional (strOption
( long "local-bin-path"
<> metavar "DIR"
<> help "Install binaries to DIR"
<> hide
))
<*> maybeBoolFlags
"modify-code-page"
"setting the codepage to support UTF-8 (Windows only)"
hide
where hide = hideMods hide0
nixOptsParser :: Bool -> Parser NixOptsMonoid
nixOptsParser hide0 =
NixOptsMonoid
<$> pure False
<*> maybeBoolFlags nixCmdName
"using a Nix-shell"
hide
<*> pure []
<*> pure Nothing
<*> ((map T.pack . fromMaybe [])
<$> optional (argsOption (long "nix-shell-options" <>
metavar "OPTION" <>
help "Additional options passed to nix-shell" <>
hide)))
where
hide = hideMods hide0
dockerOptsParser :: Bool -> Parser DockerOptsMonoid
dockerOptsParser hide0 =
DockerOptsMonoid
<$> pure False
<*> maybeBoolFlags dockerCmdName
"using a Docker container"
hide
<*> ((Just . DockerMonoidRepo) <$> option str (long (dockerOptName dockerRepoArgName) <>
hide <>
metavar "NAME" <>
help "Docker repository name") <|>
(Just . DockerMonoidImage) <$> option str (long (dockerOptName dockerImageArgName) <>
hide <>
metavar "IMAGE" <>
help "Exact Docker image ID (overrides docker-repo)") <|>
pure Nothing)
<*> maybeBoolFlags (dockerOptName dockerRegistryLoginArgName)
"registry requires login"
hide
<*> maybeStrOption (long (dockerOptName dockerRegistryUsernameArgName) <>
hide <>
metavar "USERNAME" <>
help "Docker registry username")
<*> maybeStrOption (long (dockerOptName dockerRegistryPasswordArgName) <>
hide <>
metavar "PASSWORD" <>
help "Docker registry password")
<*> maybeBoolFlags (dockerOptName dockerAutoPullArgName)
"automatic pulling latest version of image"
hide
<*> maybeBoolFlags (dockerOptName dockerDetachArgName)
"running a detached Docker container"
hide
<*> maybeBoolFlags (dockerOptName dockerPersistArgName)
"not deleting container after it exits"
hide
<*> maybeStrOption (long (dockerOptName dockerContainerNameArgName) <>
hide <>
metavar "NAME" <>
help "Docker container name")
<*> argsOption (long (dockerOptName dockerRunArgsArgName) <>
hide <>
value [] <>
metavar "'ARG1 [ARG2 ...]'" <>
help "Additional options to pass to 'docker run'")
<*> many (option auto (long (dockerOptName dockerMountArgName) <>
hide <>
metavar "(PATH | HOST-PATH:CONTAINER-PATH)" <>
help ("Mount volumes from host in container " ++
"(may specify multiple times)")))
<*> many (option str (long (dockerOptName dockerEnvArgName) <>
hide <>
metavar "NAME=VALUE" <>
help ("Set environment variable in container " ++
"(may specify multiple times)")))
<*> maybeStrOption (long (dockerOptName dockerDatabasePathArgName) <>
hide <>
metavar "PATH" <>
help "Location of image usage tracking database")
<*> optional (option str
(long(dockerOptName dockerStackExeArgName) <>
hide <>
metavar (intercalate "|"
[ dockerStackExeDownloadVal
, dockerStackExeHostVal
, dockerStackExeImageVal
, "PATH" ]) <>
help (concat [ "Location of "
, stackProgName
, " executable used in container" ])))
<*> maybeBoolFlags (dockerOptName dockerSetUserArgName)
"setting user in container to match host"
hide
<*> pure anyVersion
where
dockerOptName optName = dockerCmdName ++ "-" ++ T.unpack optName
maybeStrOption = optional . option str
hide = hideMods hide0
dockerCleanupOptsParser :: Parser Docker.CleanupOpts
dockerCleanupOptsParser =
Docker.CleanupOpts <$>
(flag' Docker.CleanupInteractive
(short 'i' <>
long "interactive" <>
help "Show cleanup plan in editor and allow changes (default)") <|>
flag' Docker.CleanupImmediate
(short 'y' <>
long "immediate" <>
help "Immediately execute cleanup plan") <|>
flag' Docker.CleanupDryRun
(short 'n' <>
long "dry-run" <>
help "Display cleanup plan but do not execute") <|>
pure Docker.CleanupInteractive) <*>
opt (Just 14) "known-images" "LAST-USED" <*>
opt Nothing "unknown-images" "CREATED" <*>
opt (Just 0) "dangling-images" "CREATED" <*>
opt Nothing "stopped-containers" "CREATED" <*>
opt Nothing "running-containers" "CREATED"
where opt def' name mv =
fmap Just
(option auto
(long name <>
metavar (mv ++ "-DAYS-AGO") <>
help ("Remove " ++
toDescr name ++
" " ++
map toLower (toDescr mv) ++
" N days ago" ++
case def' of
Just n -> " (default " ++ show n ++ ")"
Nothing -> ""))) <|>
flag' Nothing
(long ("no-" ++ name) <>
help ("Do not remove " ++
toDescr name ++
case def' of
Just _ -> ""
Nothing -> " (default)")) <|>
pure def'
toDescr = map (\c -> if c == '-' then ' ' else c)
dotOptsParser :: Parser DotOpts
dotOptsParser = DotOpts
<$> includeExternal
<*> includeBase
<*> depthLimit
<*> fmap (maybe Set.empty Set.fromList . fmap splitNames) prunedPkgs
where includeExternal = boolFlags False
"external"
"inclusion of external dependencies"
idm
includeBase = boolFlags True
"include-base"
"inclusion of dependencies on base"
idm
depthLimit =
optional (option auto
(long "depth" <>
metavar "DEPTH" <>
help ("Limit the depth of dependency resolution " <>
"(Default: No limit)")))
prunedPkgs = optional (strOption
(long "prune" <>
metavar "PACKAGES" <>
help ("Prune each package name " <>
"from the comma separated list " <>
"of package names PACKAGES")))
splitNames :: String -> [String]
splitNames = map (takeWhile (not . isSpace) . dropWhile isSpace) . splitOn ","
ghciOptsParser :: Parser GhciOpts
ghciOptsParser = GhciOpts
<$> switch (long "no-build" <> help "Don't build before launching GHCi")
<*> fmap concat (many (argsOption (long "ghci-options" <>
metavar "OPTION" <>
help "Additional options passed to GHCi")))
<*> optional
(strOption (long "with-ghc" <>
metavar "GHC" <>
help "Use this GHC to run GHCi"))
<*> (not <$> boolFlags True "load" "load modules on start-up" idm)
<*> packagesParser
<*> optional
(textOption
(long "main-is" <>
metavar "TARGET" <>
help "Specify which target should contain the main \
\module to load, such as for an executable for \
\test suite or benchmark."))
<*> switch (long "skip-intermediate-deps" <> help "Skip loading intermediate target dependencies")
<*> buildOptsParser Build
execOptsParser :: Maybe SpecialExecCmd -> Parser ExecOpts
execOptsParser mcmd =
ExecOpts
<$> maybe eoCmdParser pure mcmd
<*> eoArgsParser
<*> execOptsExtraParser
where
eoCmdParser = ExecCmd <$> strArgument (metavar "CMD")
eoArgsParser = many (strArgument (metavar "-- ARGS (e.g. stack ghc -- X.hs -o x)"))
evalOptsParser :: String
-> Parser EvalOpts
evalOptsParser meta =
EvalOpts
<$> eoArgsParser
<*> execOptsExtraParser
where
eoArgsParser :: Parser String
eoArgsParser = strArgument (metavar meta)
execOptsExtraParser :: Parser ExecOptsExtra
execOptsExtraParser = eoPlainParser <|>
ExecOptsEmbellished
<$> eoEnvSettingsParser
<*> eoPackagesParser
where
eoEnvSettingsParser :: Parser EnvSettings
eoEnvSettingsParser = EnvSettings
<$> pure True
<*> boolFlags True
"ghc-package-path"
"setting the GHC_PACKAGE_PATH variable for the subprocess"
idm
<*> boolFlags True
"stack-exe"
"setting the STACK_EXE environment variable to the path for the stack executable"
idm
<*> pure False
eoPackagesParser :: Parser [String]
eoPackagesParser = many (strOption (long "package" <> help "Additional packages that must be installed"))
eoPlainParser :: Parser ExecOptsExtra
eoPlainParser = flag' ExecOptsPlain
(long "plain" <>
help "Use an unmodified environment (only useful with Docker)")
globalOptsParser :: Bool -> Parser GlobalOptsMonoid
globalOptsParser hide0 =
GlobalOptsMonoid <$>
optional (strOption (long Docker.reExecArgName <> hidden <> internal)) <*>
optional (option auto (long dockerEntrypointArgName <> hidden <> internal)) <*>
logLevelOptsParser hide0 <*>
configOptsParser hide0 <*>
optional (abstractResolverOptsParser hide0) <*>
optional (compilerOptsParser hide0) <*>
maybeBoolFlags
"terminal"
"overriding terminal detection in the case of running in a false terminal"
hide <*>
optional (strOption (long "stack-yaml" <>
metavar "STACK-YAML" <>
help ("Override project stack.yaml file " <>
"(overrides any STACK_YAML environment variable)") <>
hide))
where hide = hideMods hide0
globalOptsFromMonoid :: Bool -> GlobalOptsMonoid -> GlobalOpts
globalOptsFromMonoid defaultTerminal GlobalOptsMonoid{..} = GlobalOpts
{ globalReExecVersion = globalMonoidReExecVersion
, globalDockerEntrypoint = globalMonoidDockerEntrypoint
, globalLogLevel = fromMaybe defaultLogLevel globalMonoidLogLevel
, globalConfigMonoid = globalMonoidConfigMonoid
, globalResolver = globalMonoidResolver
, globalCompiler = globalMonoidCompiler
, globalTerminal = fromMaybe defaultTerminal globalMonoidTerminal
, globalStackYaml = globalMonoidStackYaml }
initOptsParser :: Parser InitOpts
initOptsParser =
InitOpts <$> method <*> overwrite <*> fmap not ignoreSubDirs
where
ignoreSubDirs = switch (long "ignore-subdirs" <>
help "Do not search for .cabal files in sub directories")
overwrite = switch (long "force" <>
help "Force overwriting of an existing stack.yaml if it exists")
method = solver
<|> (MethodResolver <$> resolver)
<|> (MethodSnapshot <$> snapPref)
solver =
flag' MethodSolver
(long "solver" <>
help "Use a dependency solver to determine dependencies")
snapPref =
flag' PrefLTS
(long "prefer-lts" <>
help "Prefer LTS snapshots over Nightly snapshots") <|>
flag' PrefNightly
(long "prefer-nightly" <>
help "Prefer Nightly snapshots over LTS snapshots") <|>
pure PrefNone
resolver = option readAbstractResolver
(long "resolver" <>
metavar "RESOLVER" <>
help "Use the given resolver, even if not all dependencies are met")
logLevelOptsParser :: Bool -> Parser (Maybe LogLevel)
logLevelOptsParser hide =
fmap (Just . parse)
(strOption (long "verbosity" <>
metavar "VERBOSITY" <>
help "Verbosity: silent, error, warn, info, debug" <>
hideMods hide)) <|>
flag' (Just verboseLevel)
(short 'v' <> long "verbose" <>
help ("Enable verbose mode: verbosity level \"" <> showLevel verboseLevel <> "\"") <>
hideMods hide) <|>
pure Nothing
where verboseLevel = LevelDebug
showLevel l =
case l of
LevelDebug -> "debug"
LevelInfo -> "info"
LevelWarn -> "warn"
LevelError -> "error"
LevelOther x -> T.unpack x
parse s =
case s of
"debug" -> LevelDebug
"info" -> LevelInfo
"warn" -> LevelWarn
"error" -> LevelError
_ -> LevelOther (T.pack s)
abstractResolverOptsParser :: Bool -> Parser AbstractResolver
abstractResolverOptsParser hide =
option readAbstractResolver
(long "resolver" <>
metavar "RESOLVER" <>
help "Override resolver in project file" <>
hideMods hide)
readAbstractResolver :: ReadM AbstractResolver
readAbstractResolver = do
s <- readerAsk
case s of
"global" -> return ARGlobal
"nightly" -> return ARLatestNightly
"lts" -> return ARLatestLTS
'l':'t':'s':'-':x | Right (x', "") <- decimal $ T.pack x ->
return $ ARLatestLTSMajor x'
_ ->
case parseResolverText $ T.pack s of
Left e -> readerError $ show e
Right x -> return $ ARResolver x
compilerOptsParser :: Bool -> Parser CompilerVersion
compilerOptsParser hide =
option readCompilerVersion
(long "compiler" <>
metavar "COMPILER" <>
help "Use the specified compiler" <>
hideMods hide)
readCompilerVersion :: ReadM CompilerVersion
readCompilerVersion = do
s <- readerAsk
case parseCompilerVersion (T.pack s) of
Nothing -> readerError $ "Failed to parse compiler: " ++ s
Just x -> return x
ghcVariantParser :: Bool -> Parser GHCVariant
ghcVariantParser hide =
option
readGHCVariant
(long "ghc-variant" <> metavar "VARIANT" <>
help
"Specialized GHC variant, e.g. integersimple (implies --no-system-ghc)" <>
hideMods hide
)
where
readGHCVariant = do
s <- readerAsk
case parseGHCVariant s of
Left e -> readerError (show e)
Right v -> return v
solverOptsParser :: Parser Bool
solverOptsParser = boolFlags False
"modify-stack-yaml"
"Automatically modify stack.yaml with the solver's recommendations"
idm
testOptsParser :: Parser TestOpts
testOptsParser = TestOpts
<$> boolFlags True
"rerun-tests"
"running already successful tests"
idm
<*> fmap (fromMaybe [])
(optional (argsOption(long "test-arguments" <>
metavar "TEST_ARGS" <>
help "Arguments passed in to the test suite program")))
<*> switch (long "coverage" <>
help "Generate a code coverage report")
<*> switch (long "no-run-tests" <>
help "Disable running of tests. (Tests will still be built.)")
newOptsParser :: Parser (NewOpts,InitOpts)
newOptsParser = (,) <$> newOpts <*> initOptsParser
where
newOpts =
NewOpts <$>
packageNameArgument
(metavar "PACKAGE_NAME" <> help "A valid package name.") <*>
switch
(long "bare" <>
help "Do not create a subdirectory for the project") <*>
templateNameArgument
(metavar "TEMPLATE_NAME" <>
help "Name of a template or a local template in a subdirectory,\
\ for example: foo or foo.hsfiles" <>
value defaultTemplateName) <*>
fmap
M.fromList
(many
(templateParamArgument
(short 'p' <> long "param" <> metavar "KEY:VALUE" <>
help
"Parameter for the template in the format key:value")))
hpcReportOptsParser :: Parser HpcReportOpts
hpcReportOptsParser = HpcReportOpts
<$> many (textArgument $ metavar "TARGET_OR_TIX")
<*> switch (long "all" <> help "Use results from all packages and components")
<*> optional (strOption (long "destdir" <> help "Output directy for HTML report"))
pvpBoundsOption :: Parser PvpBounds
pvpBoundsOption =
option
readPvpBounds
(long "pvp-bounds" <> metavar "PVP-BOUNDS" <>
help
"How PVP version bounds should be added to .cabal file: none, lower, upper, both")
where
readPvpBounds = do
s <- readerAsk
case parsePvpBounds $ T.pack s of
Left e ->
readerError e
Right v ->
return v
configCmdSetParser :: Parser ConfigCmdSet
configCmdSetParser =
fromM
(do field <-
oneM
(strArgument
(metavar "FIELD VALUE"))
oneM (fieldToValParser field))
where
fieldToValParser :: String -> Parser ConfigCmdSet
fieldToValParser s =
case s of
"resolver" ->
ConfigCmdSetResolver <$>
argument
readAbstractResolver
idm
_ ->
error "parse stack config set field: only set resolver is implemented"
hideMods :: Bool -> Mod f a
hideMods hide = if hide then internal <> hidden else idm