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Setup.hs
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Setup.hs
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{-# LANGUAGE DeriveGeneric #-}
{-# LANGUAGE LambdaCase #-}
{-# LANGUAGE RankNTypes #-}
{-# LANGUAGE RecordWildCards #-}
{-# LANGUAGE ScopedTypeVariables #-}
-----------------------------------------------------------------------------
-----------------------------------------------------------------------------
-- |
-- Module : Distribution.Client.Setup
-- Copyright : (c) David Himmelstrup 2005
-- License : BSD-like
--
-- Maintainer : lemmih@gmail.com
-- Stability : provisional
-- Portability : portable
module Distribution.Client.Setup
( globalCommand
, GlobalFlags (..)
, defaultGlobalFlags
, RepoContext (..)
, withRepoContext
, configureCommand
, CommonSetupFlags (..)
, ConfigFlags (..)
, configureOptions
, filterCommonFlags
, filterConfigureFlags
, configPackageDB'
, configCompilerAux'
, configureExCommand
, ConfigExFlags (..)
, defaultConfigExFlags
, buildCommand
, BuildFlags (..)
, filterTestFlags
, replCommand
, testCommand
, benchmarkCommand
, testOptions
, benchmarkOptions
, configureExOptions
, reconfigureCommand
, installCommand
, InstallFlags (..)
, installOptions
, defaultInstallFlags
, filterHaddockArgs
, filterHaddockFlags
, haddockOptions
, defaultSolver
, defaultMaxBackjumps
, listCommand
, ListFlags (..)
, listNeedsCompiler
, UpdateFlags (..)
, defaultUpdateFlags
, infoCommand
, InfoFlags (..)
, fetchCommand
, FetchFlags (..)
, freezeCommand
, FreezeFlags (..)
, genBoundsCommand
, getCommand
, unpackCommand
, GetFlags (..)
, checkCommand
, CheckFlags (..)
, formatCommand
, uploadCommand
, UploadFlags (..)
, IsCandidate (..)
, reportCommand
, ReportFlags (..)
, runCommand
, initCommand
, initOptions
, IT.InitFlags (..)
, actAsSetupCommand
, ActAsSetupFlags (..)
, userConfigCommand
, UserConfigFlags (..)
, manpageCommand
, haddockCommand
, cleanCommand
, copyCommand
, registerCommand
, liftOptions
, yesNoOpt
) where
import Distribution.Client.Compat.Prelude hiding (get)
import Prelude ()
import Distribution.Client.Types.AllowNewer (AllowNewer (..), AllowOlder (..), RelaxDeps (..))
import Distribution.Client.Types.Credentials (Password (..), Token (..), Username (..))
import Distribution.Client.Types.Repo (LocalRepo (..), RemoteRepo (..))
import Distribution.Client.Types.WriteGhcEnvironmentFilesPolicy
import Distribution.Client.BuildReports.Types
( ReportLevel (..)
)
import Distribution.Client.Dependency.Types
( PreSolver (..)
)
import Distribution.Client.IndexUtils.ActiveRepos
( ActiveRepos
)
import Distribution.Client.IndexUtils.IndexState
( TotalIndexState
, headTotalIndexState
)
import qualified Distribution.Client.Init.Defaults as IT
import qualified Distribution.Client.Init.Types as IT
import Distribution.Client.Targets
( UserConstraint
, readUserConstraint
)
import Distribution.Deprecated.ParseUtils (parseSpaceList, parseTokenQ)
import Distribution.Deprecated.ReadP (readP_to_E)
import Distribution.Utils.NubList
( NubList
, fromNubList
, toNubList
)
import Distribution.Solver.Types.ConstraintSource
import Distribution.Solver.Types.Settings
import Distribution.Client.GlobalFlags
( GlobalFlags (..)
, RepoContext (..)
, defaultGlobalFlags
, withRepoContext
)
import Distribution.Client.ManpageFlags (ManpageFlags, defaultManpageFlags, manpageOptions)
import qualified Distribution.Compat.CharParsing as P
import Distribution.FieldGrammar.Newtypes (SpecVersion (..))
import Distribution.PackageDescription
( BuildType (..)
, Dependency
, LibraryName (..)
, RepoKind (..)
)
import Distribution.PackageDescription.Check (CheckExplanationIDString)
import Distribution.Parsec
( parsecCommaList
)
import Distribution.ReadE
( ReadE (..)
, parsecToReadE
, parsecToReadEErr
, succeedReadE
, unexpectMsgString
)
import Distribution.Simple.Command hiding (boolOpt, boolOpt')
import qualified Distribution.Simple.Command as Command
import Distribution.Simple.Compiler (Compiler, PackageDB, PackageDBStack)
import Distribution.Simple.Configure
( computeEffectiveProfiling
, configCompilerAuxEx
, interpretPackageDbFlags
)
import Distribution.Simple.Flag
( Flag (..)
, flagElim
, flagToList
, flagToMaybe
, fromFlagOrDefault
, maybeToFlag
, mergeListFlag
, toFlag
)
import Distribution.Simple.InstallDirs
( InstallDirs (..)
, PathTemplate
, combinePathTemplate
, fromPathTemplate
, toPathTemplate
)
import Distribution.Simple.Program (ProgramDb, defaultProgramDb)
import Distribution.Simple.Setup
( BenchmarkFlags
, BooleanFlag (..)
, BuildFlags (..)
, CleanFlags (..)
, CommonSetupFlags (..)
, ConfigFlags (..)
, CopyFlags (..)
, HaddockFlags (..)
, RegisterFlags (..)
, ReplFlags
, TestFlags
, boolOpt
, boolOpt'
, falseArg
, optionVerbosity
, readPackageDbList
, showPackageDbList
, testCommonFlags
, trueArg
)
import qualified Distribution.Simple.Setup as Cabal
import Distribution.Simple.Utils
( wrapText
)
import Distribution.System (Platform)
import Distribution.Types.GivenComponent
( GivenComponent (..)
)
import Distribution.Types.PackageVersionConstraint
( PackageVersionConstraint (..)
)
import Distribution.Types.UnqualComponentName
( unqualComponentNameToPackageName
)
import Distribution.Verbosity
( lessVerbose
, normal
, verboseNoFlags
, verboseNoTimestamp
)
import Distribution.Version
( Version
, mkVersion
)
import Control.Exception
( assert
)
import Data.List
( deleteFirstsBy
)
import System.FilePath
( (</>)
)
globalCommand :: [Command action] -> CommandUI GlobalFlags
globalCommand commands =
CommandUI
{ commandName = ""
, commandSynopsis =
"Command line interface to the Haskell Cabal infrastructure."
, commandUsage = \pname ->
"See http://www.haskell.org/cabal/ for more information.\n"
++ "\n"
++ "Usage: "
++ pname
++ " [GLOBAL FLAGS] [COMMAND [FLAGS]]\n"
, commandDescription = Just $ \pname ->
let
commands' = commands ++ [commandAddAction helpCommandUI undefined]
cmdDescs = getNormalCommandDescriptions commands'
-- if new commands are added, we want them to appear even if they
-- are not included in the custom listing below. Thus, we calculate
-- the `otherCmds` list and append it under the `other` category.
-- Alternatively, a new testcase could be added that ensures that
-- the set of commands listed here is equal to the set of commands
-- that are actually available.
otherCmds =
deleteFirstsBy
(==)
(map fst cmdDescs)
[ "help"
, "update"
, "install"
, "fetch"
, "list"
, "info"
, "user-config"
, "get"
, "unpack"
, "init"
, "configure"
, "build"
, "clean"
, "run"
, "repl"
, "test"
, "bench"
, "check"
, "sdist"
, "upload"
, "report"
, "freeze"
, "gen-bounds"
, "outdated"
, "haddock"
, "haddock-project"
, "hscolour"
, "exec"
, "path"
, "new-build"
, "new-configure"
, "new-repl"
, "new-freeze"
, "new-run"
, "new-test"
, "new-bench"
, "new-haddock"
, "new-exec"
, "new-update"
, "new-install"
, "new-clean"
, "new-sdist"
, "new-haddock-project"
, "list-bin"
, -- v1 commands, stateful style
"v1-build"
, "v1-configure"
, "v1-repl"
, "v1-freeze"
, "v1-run"
, "v1-test"
, "v1-bench"
, "v1-haddock"
, "v1-exec"
, "v1-update"
, "v1-install"
, "v1-clean"
, "v1-sdist"
, "v1-doctest"
, "v1-copy"
, "v1-register"
, "v1-reconfigure"
, -- v2 commands, nix-style
"v2-build"
, "v2-configure"
, "v2-repl"
, "v2-freeze"
, "v2-run"
, "v2-test"
, "v2-bench"
, "v2-haddock"
, "v2-haddock-project"
, "v2-exec"
, "v2-update"
, "v2-install"
, "v2-clean"
, "v2-sdist"
]
maxlen = maximum $ [length name | (name, _) <- cmdDescs]
align str = str ++ replicate (maxlen - length str) ' '
startGroup n = " [" ++ n ++ "]"
par = ""
addCmd n = case lookup n cmdDescs of
Nothing -> ""
Just d -> " " ++ align n ++ " " ++ d
in
"Commands:\n"
++ unlines
( [ startGroup "global"
, addCmd "user-config"
, addCmd "help"
, par
, startGroup "package database"
, addCmd "update"
, addCmd "list"
, addCmd "info"
, par
, startGroup "initialization and download"
, addCmd "init"
, addCmd "fetch"
, addCmd "get"
, par
, startGroup "project configuration"
, addCmd "configure"
, addCmd "freeze"
, addCmd "gen-bounds"
, addCmd "outdated"
, addCmd "path"
, par
, startGroup "project building and installing"
, addCmd "build"
, addCmd "install"
, addCmd "haddock"
, addCmd "haddock-project"
, addCmd "clean"
, par
, startGroup "running and testing"
, addCmd "list-bin"
, addCmd "repl"
, addCmd "run"
, addCmd "bench"
, addCmd "test"
, addCmd "exec"
, par
, startGroup "sanity checks and shipping"
, addCmd "check"
, addCmd "sdist"
, addCmd "upload"
, addCmd "report"
, par
, startGroup "deprecated"
, addCmd "unpack"
, addCmd "hscolour"
, par
, startGroup "new-style projects (forwards-compatible aliases)"
, addCmd "v2-build"
, addCmd "v2-configure"
, addCmd "v2-repl"
, addCmd "v2-run"
, addCmd "v2-test"
, addCmd "v2-bench"
, addCmd "v2-freeze"
, addCmd "v2-haddock"
, addCmd "v2-exec"
, addCmd "v2-update"
, addCmd "v2-install"
, addCmd "v2-clean"
, addCmd "v2-sdist"
, par
, startGroup "legacy command aliases"
, addCmd "v1-build"
, addCmd "v1-configure"
, addCmd "v1-repl"
, addCmd "v1-run"
, addCmd "v1-test"
, addCmd "v1-bench"
, addCmd "v1-freeze"
, addCmd "v1-haddock"
, addCmd "v1-install"
, addCmd "v1-clean"
, addCmd "v1-copy"
, addCmd "v1-register"
, addCmd "v1-reconfigure"
]
++ if null otherCmds
then []
else
par
: startGroup "other"
: [addCmd n | n <- otherCmds]
)
++ "\n"
++ "For more information about a command use:\n"
++ " "
++ pname
++ " COMMAND --help\n"
++ "or "
++ pname
++ " help COMMAND\n"
++ "\n"
++ "To install Cabal packages from hackage use:\n"
++ " "
++ pname
++ " install foo [--dry-run]\n"
++ "\n"
++ "Occasionally you need to update the list of available packages:\n"
++ " "
++ pname
++ " update\n"
, commandNotes = Nothing
, commandDefaultFlags = mempty
, commandOptions = args
}
where
args :: ShowOrParseArgs -> [OptionField GlobalFlags]
args ShowArgs = argsShown
args ParseArgs = argsShown ++ argsNotShown
-- arguments we want to show in the help
argsShown :: [OptionField GlobalFlags]
argsShown =
[ option
['V']
["version"]
"Print version information"
globalVersion
(\v flags -> flags{globalVersion = v})
trueArg
, option
[]
["numeric-version"]
"Print just the version number"
globalNumericVersion
(\v flags -> flags{globalNumericVersion = v})
trueArg
, option
[]
["config-file"]
"Set an alternate location for the config file"
globalConfigFile
(\v flags -> flags{globalConfigFile = v})
(reqArgFlag "FILE")
, option
[]
["ignore-expiry"]
"Ignore expiry dates on signed metadata (use only in exceptional circumstances)"
globalIgnoreExpiry
(\v flags -> flags{globalIgnoreExpiry = v})
trueArg
, option
[]
["http-transport"]
"Set a transport for http(s) requests. Accepts 'curl', 'wget', 'powershell', and 'plain-http'. (default: 'curl')"
globalHttpTransport
(\v flags -> flags{globalHttpTransport = v})
(reqArgFlag "HttpTransport")
, multiOption
"nix"
globalNix
(\v flags -> flags{globalNix = v})
[ optArg'
"(True or False)"
(maybeToFlag . (readMaybe =<<))
( \case
Flag True -> [Just "enable"]
Flag False -> [Just "disable"]
NoFlag -> []
)
""
["nix"] -- Must be empty because we need to return PP.empty from viewAsFieldDescr
"[DEPRECATED] Nix integration: run commands through nix-shell if a 'shell.nix' file exists (default is False)"
, noArg
(Flag True)
[]
["enable-nix"]
"[DEPRECATED] Enable Nix integration: run commands through nix-shell if a 'shell.nix' file exists"
, noArg
(Flag False)
[]
["disable-nix"]
"[DEPRECATED] Disable Nix integration"
]
, option
[]
["store-dir", "storedir"]
"The location of the build store"
globalStoreDir
(\v flags -> flags{globalStoreDir = v})
(reqArgFlag "DIR")
, option
[]
["active-repositories"]
"The active package repositories (set to ':none' to disable all repositories)"
globalActiveRepos
(\v flags -> flags{globalActiveRepos = v})
( reqArg
"REPOS"
( parsecToReadE
(\err -> "Error parsing active-repositories: " ++ err)
(toFlag `fmap` parsec)
)
(map prettyShow . flagToList)
)
]
-- arguments we don't want shown in the help
-- the remote repo flags are not useful compared to the more general "active-repositories" flag.
-- the global logs directory was only used in v1, while in v2 we have specific project config logs dirs
-- default-user-config is support for a relatively obscure workflow for v1-freeze.
argsNotShown :: [OptionField GlobalFlags]
argsNotShown =
[ option
[]
["remote-repo"]
"The name and url for a remote repository"
globalRemoteRepos
(\v flags -> flags{globalRemoteRepos = v})
(reqArg' "NAME:URL" (toNubList . maybeToList . readRemoteRepo) (map showRemoteRepo . fromNubList))
, option
[]
["local-no-index-repo"]
"The name and a path for a local no-index repository"
globalLocalNoIndexRepos
(\v flags -> flags{globalLocalNoIndexRepos = v})
(reqArg' "NAME:PATH" (toNubList . maybeToList . readLocalRepo) (map showLocalRepo . fromNubList))
, option
[]
["remote-repo-cache"]
"The location where downloads from all remote repos are cached"
globalCacheDir
(\v flags -> flags{globalCacheDir = v})
(reqArgFlag "DIR")
, option
[]
["logs-dir", "logsdir"]
"The location to put log files"
globalLogsDir
(\v flags -> flags{globalLogsDir = v})
(reqArgFlag "DIR")
, option
[]
["default-user-config"]
"Set a location for a cabal.config file for projects without their own cabal.config freeze file."
globalConstraintsFile
(\v flags -> flags{globalConstraintsFile = v})
(reqArgFlag "FILE")
]
-- ------------------------------------------------------------
-- * Config flags
-- ------------------------------------------------------------
configureCommand :: CommandUI ConfigFlags
configureCommand =
c
{ commandName = "configure"
, commandDefaultFlags = mempty
, commandDescription = Just $ \_ ->
wrapText $
"Configure how the package is built by setting "
++ "package (and other) flags.\n"
++ "\n"
++ "The configuration affects several other commands, "
++ "including v1-build, v1-test, v1-bench, v1-run, v1-repl.\n"
, commandUsage = \pname ->
"Usage: " ++ pname ++ " v1-configure [FLAGS]\n"
, commandNotes = Just $ \pname ->
(Cabal.programFlagsDescription defaultProgramDb ++ "\n")
++ "Examples:\n"
++ " "
++ pname
++ " v1-configure\n"
++ " Configure with defaults;\n"
++ " "
++ pname
++ " v1-configure --enable-tests -fcustomflag\n"
++ " Configure building package including tests,\n"
++ " with some package-specific flag.\n"
}
where
c = Cabal.configureCommand defaultProgramDb
configureOptions :: ShowOrParseArgs -> [OptionField ConfigFlags]
configureOptions = commandOptions configureCommand
filterCommonFlags :: CommonSetupFlags -> Version -> CommonSetupFlags
filterCommonFlags flags cabalLibVersion
-- NB: we expect the latest version to be the most common case,
-- so test it first.
| cabalLibVersion >= mkVersion [3, 11, 0] = flags_latest
| cabalLibVersion < mkVersion [1, 2, 5] = flags_1_2_5
| cabalLibVersion < mkVersion [2, 1, 0] = flags_2_1_0
| cabalLibVersion < mkVersion [3, 11, 0] = flags_3_11_0
| otherwise = error "the impossible just happened" -- see first guard
where
flags_latest = flags
flags_3_11_0 =
flags_latest
{ setupWorkingDir = NoFlag
}
-- Cabal < 3.11 does not support the --working-dir flag.
flags_2_1_0 =
flags_3_11_0
{ -- Cabal < 2.1 doesn't know about -v +timestamp modifier
setupVerbosity = fmap verboseNoTimestamp (setupVerbosity flags_3_11_0)
}
flags_1_2_5 =
flags_2_1_0
{ -- Cabal < 1.25 doesn't have extended verbosity syntax
setupVerbosity =
fmap verboseNoFlags (setupVerbosity flags_2_1_0)
}
-- | Given some 'ConfigFlags' for the version of Cabal that
-- cabal-install was built with, and a target older 'Version' of
-- Cabal that we want to pass these flags to, convert the
-- flags into a form that will be accepted by the older
-- Setup script. Generally speaking, this just means filtering
-- out flags that the old Cabal library doesn't understand, but
-- in some cases it may also mean "emulating" a feature using
-- some more legacy flags.
filterConfigureFlags :: ConfigFlags -> Version -> ConfigFlags
filterConfigureFlags flags cabalLibVersion =
let flags' = filterConfigureFlags' flags cabalLibVersion
in flags'
{ configCommonFlags =
filterCommonFlags (configCommonFlags flags') cabalLibVersion
}
filterConfigureFlags' :: ConfigFlags -> Version -> ConfigFlags
filterConfigureFlags' flags cabalLibVersion
-- NB: we expect the latest version to be the most common case,
-- so test it first.
| cabalLibVersion >= mkVersion [3, 11, 0] = flags_latest
-- The naming convention is that flags_version gives flags with
-- all flags *introduced* in version eliminated.
-- It is NOT the latest version of Cabal library that
-- these flags work for; version of introduction is a more
-- natural metric.
| cabalLibVersion < mkVersion [1, 3, 10] = flags_1_3_10
| cabalLibVersion < mkVersion [1, 10, 0] = flags_1_10_0
| cabalLibVersion < mkVersion [1, 12, 0] = flags_1_12_0
| cabalLibVersion < mkVersion [1, 14, 0] = flags_1_14_0
| cabalLibVersion < mkVersion [1, 18, 0] = flags_1_18_0
| cabalLibVersion < mkVersion [1, 19, 1] = flags_1_19_1
| cabalLibVersion < mkVersion [1, 19, 2] = flags_1_19_2
| cabalLibVersion < mkVersion [1, 21, 1] = flags_1_21_1
| cabalLibVersion < mkVersion [1, 22, 0] = flags_1_22_0
| cabalLibVersion < mkVersion [1, 22, 1] = flags_1_22_1
| cabalLibVersion < mkVersion [1, 23, 0] = flags_1_23_0
| cabalLibVersion < mkVersion [1, 25, 0] = flags_1_25_0
| cabalLibVersion < mkVersion [2, 1, 0] = flags_2_1_0
| cabalLibVersion < mkVersion [2, 5, 0] = flags_2_5_0
| cabalLibVersion < mkVersion [3, 7, 0] = flags_3_7_0
| cabalLibVersion < mkVersion [3, 11, 0] = flags_3_11_0
| otherwise = error "the impossible just happened" -- see first guard
where
flags_latest =
flags
{ -- Cabal >= 1.19.1 uses '--dependency' and does not need '--constraint'.
-- Note: this is not in the wrong place. configConstraints gets
-- repopulated in flags_1_19_1 but it needs to be set to empty for
-- newer versions first.
configConstraints = []
}
flags_3_11_0 =
flags_latest
{ -- It's too late to convert configPromisedDependencies to anything
-- meaningful, so we just assert that it's empty.
-- We add a Cabal>=3.11 constraint before solving when multi-repl is
-- enabled, so this should never trigger.
configPromisedDependencies = assert (null $ configPromisedDependencies flags) []
, -- Cabal < 3.11 does not understand '--coverage-for', which is OK
-- because previous versions of Cabal using coverage implied
-- whole-package builds (cuz_coverage), and determine the path to
-- libraries mix dirs from the testsuite root with a small hack.
configCoverageFor = NoFlag
}
flags_3_7_0 =
flags_3_11_0
{ -- Cabal < 3.7 does not know about --extra-lib-dirs-static
configExtraLibDirsStatic = []
, -- Cabal < 3.7 does not understand '--enable-build-info' or '--disable-build-info'
configDumpBuildInfo = NoFlag
}
flags_2_5_0 =
flags_3_7_0
{ -- Cabal < 2.5 does not understand --dependency=pkg:component=cid
-- (public sublibraries), so we convert it to the legacy
-- --dependency=pkg_or_internal_component=cid
configDependencies =
let convertToLegacyInternalDep (GivenComponent _ (LSubLibName cn) cid) =
Just $
GivenComponent
(unqualComponentNameToPackageName cn)
LMainLibName
cid
convertToLegacyInternalDep (GivenComponent pn LMainLibName cid) =
Just $ GivenComponent pn LMainLibName cid
in catMaybes $ convertToLegacyInternalDep <$> configDependencies flags
, -- Cabal < 2.5 doesn't know about '--allow-depending-on-private-libs'.
configAllowDependingOnPrivateLibs = NoFlag
, -- Cabal < 2.5 doesn't know about '--enable/disable-executable-static'.
configFullyStaticExe = NoFlag
}
flags_2_1_0 =
flags_2_5_0
{ -- Cabal < 2.1 doesn't know about --<enable|disable>-static
configStaticLib = NoFlag
, configSplitSections = NoFlag
}
flags_1_25_0 =
flags_2_1_0
{ -- Cabal < 1.25.0 doesn't know about --dynlibdir.
configInstallDirs = configInstallDirs_1_25_0
, -- Cabal < 1.25 doesn't support --deterministic
configDeterministic = mempty
}
configInstallDirs_1_25_0 =
let dirs = configInstallDirs flags
in dirs
{ dynlibdir = NoFlag
, libexecsubdir = NoFlag
, libexecdir =
maybeToFlag $
combinePathTemplate
<$> flagToMaybe (libexecdir dirs)
<*> flagToMaybe (libexecsubdir dirs)
}
-- Cabal < 1.23 doesn't know about '--profiling-detail'.
-- Cabal < 1.23 has a hacked up version of 'enable-profiling'
-- which we shouldn't use.
(tryLibProfiling, tryExeProfiling) = computeEffectiveProfiling flags
flags_1_23_0 =
flags_1_25_0
{ configProfDetail = NoFlag
, configProfLibDetail = NoFlag
, configIPID = NoFlag
, configProf = NoFlag
, configProfExe = Flag tryExeProfiling
, configProfLib = Flag tryLibProfiling
}
-- Cabal == 1.22.0.* had a discontinuity (see #5946 or e9a8d48a3adce34d)
-- due to temporary amnesia of the --*-executable-profiling flags
flags_1_22_1 =
flags_1_23_0
{ configDebugInfo = NoFlag
, configProfExe = NoFlag
}
-- Cabal < 1.22 doesn't know about '--disable-debug-info'.
flags_1_22_0 = flags_1_23_0{configDebugInfo = NoFlag}
-- Cabal < 1.21.1 doesn't know about 'disable-relocatable'
-- Cabal < 1.21.1 doesn't know about 'enable-profiling'
-- (but we already dealt with it in flags_1_23_0)
flags_1_21_1 =
flags_1_22_0
{ configRelocatable = NoFlag
, configCoverage = NoFlag
, configLibCoverage = configCoverage flags
}
-- Cabal < 1.19.2 doesn't know about '--exact-configuration' and
-- '--enable-library-stripping'.
flags_1_19_2 =
flags_1_21_1
{ configExactConfiguration = NoFlag
, configStripLibs = NoFlag
}
-- Cabal < 1.19.1 uses '--constraint' instead of '--dependency'.
flags_1_19_1 =
flags_1_19_2
{ configDependencies = []
, configConstraints = configConstraints flags
}
-- Cabal < 1.18.0 doesn't know about --extra-prog-path and --sysconfdir.
flags_1_18_0 =
flags_1_19_1
{ configProgramPathExtra = toNubList []
, configInstallDirs = configInstallDirs_1_18_0
}
configInstallDirs_1_18_0 = (configInstallDirs flags_1_19_1){sysconfdir = NoFlag}
-- Cabal < 1.14.0 doesn't know about '--disable-benchmarks'.
flags_1_14_0 = flags_1_18_0{configBenchmarks = NoFlag}
-- Cabal < 1.12.0 doesn't know about '--enable/disable-executable-dynamic'
-- and '--enable/disable-library-coverage'.
flags_1_12_0 =
flags_1_14_0
{ configLibCoverage = NoFlag
, configDynExe = NoFlag
}
-- Cabal < 1.10.0 doesn't know about '--disable-tests'.
flags_1_10_0 = flags_1_12_0{configTests = NoFlag}
-- Cabal < 1.3.10 does not grok the '--constraints' flag.
flags_1_3_10 = flags_1_10_0{configConstraints = []}
-- | Get the package database settings from 'ConfigFlags', accounting for
-- @--package-db@ and @--user@ flags.
configPackageDB' :: ConfigFlags -> PackageDBStack
configPackageDB' cfg =
interpretPackageDbFlags userInstall (configPackageDBs cfg)
where
userInstall = Cabal.fromFlagOrDefault True (configUserInstall cfg)
-- | Configure the compiler, but reduce verbosity during this step.
configCompilerAux' :: ConfigFlags -> IO (Compiler, Platform, ProgramDb)
configCompilerAux' configFlags = do
let commonFlags = configCommonFlags configFlags
configCompilerAuxEx
configFlags
{ -- FIXME: make configCompilerAux use a sensible verbosity
configCommonFlags =
commonFlags
{ setupVerbosity = fmap lessVerbose (setupVerbosity commonFlags)
}
}
-- ------------------------------------------------------------
-- * Config extra flags
-- ------------------------------------------------------------
-- | cabal configure takes some extra flags beyond runghc Setup configure
data ConfigExFlags = ConfigExFlags
{ configCabalVersion :: Flag Version
, configAppend :: Flag Bool
, configBackup :: Flag Bool
, configExConstraints :: [(UserConstraint, ConstraintSource)]
, configPreferences :: [PackageVersionConstraint]
, configSolver :: Flag PreSolver
, configAllowNewer :: Maybe AllowNewer
, configAllowOlder :: Maybe AllowOlder
, configWriteGhcEnvironmentFilesPolicy
:: Flag WriteGhcEnvironmentFilesPolicy
}
deriving (Eq, Show, Generic)
defaultConfigExFlags :: ConfigExFlags
defaultConfigExFlags = mempty{configSolver = Flag defaultSolver}
configureExCommand :: CommandUI (ConfigFlags, ConfigExFlags)
configureExCommand =
configureCommand
{ commandDefaultFlags = (mempty, defaultConfigExFlags)
, commandOptions = \showOrParseArgs ->
liftOptions
fst
setFst
( filter
( (`notElem` ["constraint", "dependency", "promised-dependency", "exact-configuration"])
. optionName
)
$ configureOptions showOrParseArgs
)
++ liftOptions
snd
setSnd
(configureExOptions showOrParseArgs ConstraintSourceCommandlineFlag)
}
where
setFst a (_, b) = (a, b)
setSnd b (a, _) = (a, b)
configureExOptions
:: ShowOrParseArgs
-> ConstraintSource
-> [OptionField ConfigExFlags]
configureExOptions _showOrParseArgs src =
[ option
[]
["cabal-lib-version"]
( "Select which version of the Cabal lib to use to build packages "
++ "(useful for testing)."
)
configCabalVersion
(\v flags -> flags{configCabalVersion = v})
( reqArg
"VERSION"
( parsecToReadE
("Cannot parse cabal lib version: " ++)
(fmap toFlag parsec)
)
(map prettyShow . flagToList)
)
, option
""
["append"]
"appending the new config to the old config file"
configAppend
(\v flags -> flags{configAppend = v})
(boolOpt [] [])
, option
""
["backup"]
"the backup of the config file before any alterations"
configBackup
(\v flags -> flags{configBackup = v})
(boolOpt [] [])
, option
"c"
["constraint"]
"Specify constraints on a package (version, installed/source, flags)"
configExConstraints
(\v flags -> flags{configExConstraints = v})
( reqArg
"CONSTRAINT"
((\x -> [(x, src)]) `fmap` ReadE readUserConstraint)
(map $ prettyShow . fst)
)
, option
[]
["preference"]
"Specify preferences (soft constraints) on the version of a package"
configPreferences
(\v flags -> flags{configPreferences = v})
( reqArg
"CONSTRAINT"
( parsecToReadE
(const "dependency expected")
(fmap (\x -> [x]) parsec)
)
(map prettyShow)
)
, optionSolver configSolver (\v flags -> flags{configSolver = v})
, option
[]
["allow-older"]
("Ignore lower bounds in all dependencies or DEPS")
(fmap unAllowOlder . configAllowOlder)
(\v flags -> flags{configAllowOlder = fmap AllowOlder v})
( optArg
"DEPS"
(parsecToReadEErr unexpectMsgString relaxDepsParser)
(show RelaxDepsAll, Just RelaxDepsAll)
relaxDepsPrinter
)
, option
[]
["allow-newer"]
("Ignore upper bounds in all dependencies or DEPS")
(fmap unAllowNewer . configAllowNewer)
(\v flags -> flags{configAllowNewer = fmap AllowNewer v})
( optArg
"DEPS"
(parsecToReadEErr unexpectMsgString relaxDepsParser)