Cabal-2.2.0.1: A framework for packaging Haskell software

CopyrightIsaac Jones 2003-2004
Duncan Coutts 2007
LicenseBSD3
Maintainercabal-devel@haskell.org
Portabilityportable
Safe HaskellNone
LanguageHaskell2010

Distribution.Simple.Setup

Description

This is a big module, but not very complicated. The code is very regular and repetitive. It defines the command line interface for all the Cabal commands. For each command (like configure, build etc) it defines a type that holds all the flags, the default set of flags and a CommandUI that maps command line flags to and from the corresponding flags type.

All the flags types are instances of Monoid, see http://www.haskell.org/pipermail/cabal-devel/2007-December/001509.html for an explanation.

The types defined here get used in the front end and especially in cabal-install which has to do quite a bit of manipulating sets of command line flags.

This is actually relatively nice, it works quite well. The main change it needs is to unify it with the code for managing sets of fields that can be read and written from files. This would allow us to save configure flags in config files.

Synopsis

Documentation

data GlobalFlags Source #

Flags that apply at the top level, not to any sub-command.

data ConfigFlags Source #

Flags to configure command.

IMPORTANT: every time a new flag is added, filterConfigureFlags should be updated. IMPORTANT: every time a new flag is added, it should be added to the Eq instance

Constructors

ConfigFlags 

Fields

Instances
Eq ConfigFlags Source # 
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Read ConfigFlags Source # 
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Show ConfigFlags Source # 
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Generic ConfigFlags Source # 
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Associated Types

type Rep ConfigFlags :: * -> * Source #

Semigroup ConfigFlags Source # 
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Monoid ConfigFlags Source # 
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Binary ConfigFlags Source # 
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type Rep ConfigFlags Source # 
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type Rep ConfigFlags = D1 (MetaData "ConfigFlags" "Distribution.Simple.Setup" "Cabal-2.2.0.1" False) (C1 (MetaCons "ConfigFlags" PrefixI True) (((((S1 (MetaSel (Just "configArgs") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 [String]) :*: (S1 (MetaSel (Just "configPrograms_") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Last' ProgramDb)) :*: S1 (MetaSel (Just "configProgramPaths") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 [(String, FilePath)]))) :*: (S1 (MetaSel (Just "configProgramArgs") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 [(String, [String])]) :*: (S1 (MetaSel (Just "configProgramPathExtra") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (NubList FilePath)) :*: S1 (MetaSel (Just "configHcFlavor") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag CompilerFlavor))))) :*: ((S1 (MetaSel (Just "configHcPath") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag FilePath)) :*: (S1 (MetaSel (Just "configHcPkg") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag FilePath)) :*: S1 (MetaSel (Just "configVanillaLib") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag Bool)))) :*: ((S1 (MetaSel (Just "configProfLib") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag Bool)) :*: S1 (MetaSel (Just "configSharedLib") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag Bool))) :*: (S1 (MetaSel (Just "configStaticLib") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag Bool)) :*: S1 (MetaSel (Just "configDynExe") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag Bool)))))) :*: (((S1 (MetaSel (Just "configProfExe") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag Bool)) :*: (S1 (MetaSel (Just "configProf") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag Bool)) :*: S1 (MetaSel (Just "configProfDetail") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag ProfDetailLevel)))) :*: (S1 (MetaSel (Just "configProfLibDetail") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag ProfDetailLevel)) :*: (S1 (MetaSel (Just "configConfigureArgs") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 [String]) :*: S1 (MetaSel (Just "configOptimization") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag OptimisationLevel))))) :*: ((S1 (MetaSel (Just "configProgPrefix") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag PathTemplate)) :*: (S1 (MetaSel (Just "configProgSuffix") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag PathTemplate)) :*: S1 (MetaSel (Just "configInstallDirs") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (InstallDirs (Flag PathTemplate))))) :*: ((S1 (MetaSel (Just "configScratchDir") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag FilePath)) :*: S1 (MetaSel (Just "configExtraLibDirs") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 [FilePath])) :*: (S1 (MetaSel (Just "configExtraFrameworkDirs") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 [FilePath]) :*: S1 (MetaSel (Just "configExtraIncludeDirs") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 [FilePath])))))) :*: ((((S1 (MetaSel (Just "configIPID") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag String)) :*: (S1 (MetaSel (Just "configCID") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag ComponentId)) :*: S1 (MetaSel (Just "configDeterministic") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag Bool)))) :*: (S1 (MetaSel (Just "configDistPref") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag FilePath)) :*: (S1 (MetaSel (Just "configCabalFilePath") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag FilePath)) :*: S1 (MetaSel (Just "configVerbosity") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag Verbosity))))) :*: ((S1 (MetaSel (Just "configUserInstall") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag Bool)) :*: (S1 (MetaSel (Just "configPackageDBs") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 [Maybe PackageDB]) :*: S1 (MetaSel (Just "configGHCiLib") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag Bool)))) :*: ((S1 (MetaSel (Just "configSplitSections") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag Bool)) :*: S1 (MetaSel (Just "configSplitObjs") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag Bool))) :*: (S1 (MetaSel (Just "configStripExes") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag Bool)) :*: S1 (MetaSel (Just "configStripLibs") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag Bool)))))) :*: (((S1 (MetaSel (Just "configConstraints") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 [Dependency]) :*: (S1 (MetaSel (Just "configDependencies") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 [(PackageName, ComponentId)]) :*: S1 (MetaSel (Just "configInstantiateWith") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 [(ModuleName, Module)]))) :*: (S1 (MetaSel (Just "configConfigurationsFlags") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 FlagAssignment) :*: (S1 (MetaSel (Just "configTests") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag Bool)) :*: S1 (MetaSel (Just "configBenchmarks") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag Bool))))) :*: ((S1 (MetaSel (Just "configCoverage") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag Bool)) :*: (S1 (MetaSel (Just "configLibCoverage") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag Bool)) :*: S1 (MetaSel (Just "configExactConfiguration") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag Bool)))) :*: ((S1 (MetaSel (Just "configFlagError") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag String)) :*: S1 (MetaSel (Just "configRelocatable") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag Bool))) :*: (S1 (MetaSel (Just "configDebugInfo") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag DebugInfoLevel)) :*: S1 (MetaSel (Just "configUseResponseFiles") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag Bool)))))))))

configPrograms :: WithCallStack (ConfigFlags -> ProgramDb) Source #

More convenient version of configPrograms. Results in an error if internal invariant is violated.

data CopyFlags Source #

Flags to copy: (destdir, copy-prefix (backwards compat), verbosity)

Instances
Show CopyFlags Source # 
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Generic CopyFlags Source # 
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Associated Types

type Rep CopyFlags :: * -> * Source #

Semigroup CopyFlags Source # 
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Monoid CopyFlags Source # 
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type Rep CopyFlags Source # 
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data InstallFlags Source #

Flags to install: (package db, verbosity)

Instances
Show InstallFlags Source # 
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Generic InstallFlags Source # 
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type Rep InstallFlags :: * -> * Source #

Semigroup InstallFlags Source # 
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Monoid InstallFlags Source # 
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type Rep InstallFlags Source # 
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data DoctestFlags Source #

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Show DoctestFlags Source # 
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Generic DoctestFlags Source # 
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type Rep DoctestFlags :: * -> * Source #

Semigroup DoctestFlags Source # 
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Monoid DoctestFlags Source # 
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type Rep DoctestFlags Source # 
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type Rep DoctestFlags = D1 (MetaData "DoctestFlags" "Distribution.Simple.Setup" "Cabal-2.2.0.1" False) (C1 (MetaCons "DoctestFlags" PrefixI True) ((S1 (MetaSel (Just "doctestProgramPaths") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 [(String, FilePath)]) :*: S1 (MetaSel (Just "doctestProgramArgs") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 [(String, [String])])) :*: (S1 (MetaSel (Just "doctestDistPref") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag FilePath)) :*: S1 (MetaSel (Just "doctestVerbosity") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag Verbosity)))))

data HaddockTarget Source #

When we build haddock documentation, there are two cases:

  1. We build haddocks only for the current development version, intended for local use and not for distribution. In this case, we store the generated documentation in distdochtml/name.
  2. We build haddocks for intended for uploading them to hackage. In this case, we need to follow the layout that hackage expects from documentation tarballs, and we might also want to use different flags than for development builds, so in this case we store the generated documentation in distdochtml/id-docs.

Constructors

ForHackage 
ForDevelopment 
Instances
Eq HaddockTarget Source # 
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Show HaddockTarget Source # 
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Generic HaddockTarget Source # 
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type Rep HaddockTarget :: * -> * Source #

Binary HaddockTarget Source # 
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Text HaddockTarget Source # 
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type Rep HaddockTarget Source # 
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type Rep HaddockTarget = D1 (MetaData "HaddockTarget" "Distribution.Simple.Setup" "Cabal-2.2.0.1" False) (C1 (MetaCons "ForHackage" PrefixI False) (U1 :: * -> *) :+: C1 (MetaCons "ForDevelopment" PrefixI False) (U1 :: * -> *))

data HaddockFlags Source #

Instances
Show HaddockFlags Source # 
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Generic HaddockFlags Source # 
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type Rep HaddockFlags :: * -> * Source #

Semigroup HaddockFlags Source # 
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Monoid HaddockFlags Source # 
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type Rep HaddockFlags Source # 
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type Rep HaddockFlags = D1 (MetaData "HaddockFlags" "Distribution.Simple.Setup" "Cabal-2.2.0.1" False) (C1 (MetaCons "HaddockFlags" PrefixI True) ((((S1 (MetaSel (Just "haddockProgramPaths") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 [(String, FilePath)]) :*: S1 (MetaSel (Just "haddockProgramArgs") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 [(String, [String])])) :*: (S1 (MetaSel (Just "haddockHoogle") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag Bool)) :*: S1 (MetaSel (Just "haddockHtml") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag Bool)))) :*: ((S1 (MetaSel (Just "haddockHtmlLocation") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag String)) :*: S1 (MetaSel (Just "haddockForHackage") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag HaddockTarget))) :*: (S1 (MetaSel (Just "haddockExecutables") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag Bool)) :*: (S1 (MetaSel (Just "haddockTestSuites") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag Bool)) :*: S1 (MetaSel (Just "haddockBenchmarks") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag Bool)))))) :*: (((S1 (MetaSel (Just "haddockForeignLibs") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag Bool)) :*: S1 (MetaSel (Just "haddockInternal") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag Bool))) :*: (S1 (MetaSel (Just "haddockCss") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag FilePath)) :*: (S1 (MetaSel (Just "haddockLinkedSource") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag Bool)) :*: S1 (MetaSel (Just "haddockHscolourCss") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag FilePath))))) :*: ((S1 (MetaSel (Just "haddockContents") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag PathTemplate)) :*: S1 (MetaSel (Just "haddockDistPref") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag FilePath))) :*: (S1 (MetaSel (Just "haddockKeepTempFiles") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag Bool)) :*: (S1 (MetaSel (Just "haddockVerbosity") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag Verbosity)) :*: S1 (MetaSel (Just "haddockCabalFilePath") NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 (Flag FilePath))))))))

data HscolourFlags Source #

Instances
Show HscolourFlags Source # 
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Generic HscolourFlags Source # 
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type Rep HscolourFlags :: * -> * Source #

Semigroup HscolourFlags Source # 
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Monoid HscolourFlags Source # 
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type Rep HscolourFlags Source # 
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data BuildFlags Source #

Instances
Read BuildFlags Source # 
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Show BuildFlags Source # 
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Generic BuildFlags Source # 
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type Rep BuildFlags :: * -> * Source #

Semigroup BuildFlags Source # 
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Monoid BuildFlags Source # 
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type Rep BuildFlags Source # 
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buildVerbose :: BuildFlags -> Verbosity Source #

Deprecated: Use buildVerbosity instead

data ReplFlags Source #

Instances
Show ReplFlags Source # 
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Generic ReplFlags Source # 
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type Rep ReplFlags :: * -> * Source #

Semigroup ReplFlags Source # 
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Monoid ReplFlags Source # 
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type Rep ReplFlags Source # 
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data CleanFlags Source #

Instances
Show CleanFlags Source # 
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Generic CleanFlags Source # 
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type Rep CleanFlags :: * -> * Source #

Semigroup CleanFlags Source # 
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Monoid CleanFlags Source # 
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type Rep CleanFlags Source # 
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data RegisterFlags Source #

Flags to register and unregister: (user package, gen-script, in-place, verbosity)

Instances
Show RegisterFlags Source # 
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Generic RegisterFlags Source # 
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type Rep RegisterFlags :: * -> * Source #

Semigroup RegisterFlags Source # 
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Monoid RegisterFlags Source # 
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type Rep RegisterFlags Source # 
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data SDistFlags Source #

Flags to sdist: (snapshot, verbosity)

Instances
Show SDistFlags Source # 
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Generic SDistFlags Source # 
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type Rep SDistFlags :: * -> * Source #

Semigroup SDistFlags Source # 
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Monoid SDistFlags Source # 
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type Rep SDistFlags Source # 
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data TestFlags Source #

Instances
Generic TestFlags Source # 
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type Rep TestFlags :: * -> * Source #

Semigroup TestFlags Source # 
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Monoid TestFlags Source # 
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type Rep TestFlags Source # 
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data TestShowDetails Source #

Instances
Bounded TestShowDetails Source # 
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Enum TestShowDetails Source # 
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Eq TestShowDetails Source # 
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Ord TestShowDetails Source # 
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Show TestShowDetails Source # 
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Semigroup TestShowDetails Source # 
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Monoid TestShowDetails Source # 
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Pretty TestShowDetails Source # 
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Parsec TestShowDetails Source # 
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Text TestShowDetails Source # 
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data BenchmarkFlags Source #

data CopyDest Source #

The location prefix for the copy command.

Constructors

NoCopyDest 
CopyTo FilePath 
CopyToDb FilePath

when using the ${pkgroot} as prefix. The CopyToDb will adjust the paths to be relative to the provided package database when copying / installing.

Instances
Eq CopyDest Source # 
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Defined in Distribution.Simple.InstallDirs

Show CopyDest Source # 
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Generic CopyDest Source # 
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Associated Types

type Rep CopyDest :: * -> * Source #

Binary CopyDest Source # 
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type Rep CopyDest Source # 
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configureArgs :: Bool -> ConfigFlags -> [String] Source #

Arguments to pass to a configure script, e.g. generated by autoconf.

programDbOptions :: ProgramDb -> ShowOrParseArgs -> (flags -> [(String, [String])]) -> ([(String, [String])] -> flags -> flags) -> [OptionField flags] Source #

For each known program PROG in progDb, produce a PROG-options OptionField.

programDbPaths' :: (String -> String) -> ProgramDb -> ShowOrParseArgs -> (flags -> [(String, FilePath)]) -> ([(String, FilePath)] -> flags -> flags) -> [OptionField flags] Source #

Like programDbPaths, but allows to customise the option name.

programConfigurationOptions :: ProgramDb -> ShowOrParseArgs -> (flags -> [(String, [String])]) -> ([(String, [String])] -> flags -> flags) -> [OptionField flags] Source #

Deprecated: Use programDbOptions instead

For each known program PROG in progDb, produce a PROG-options OptionField.

programConfigurationPaths' :: (String -> String) -> ProgramDb -> ShowOrParseArgs -> (flags -> [(String, FilePath)]) -> ([(String, FilePath)] -> flags -> flags) -> [OptionField flags] Source #

Deprecated: Use programDbPaths' instead

Like programDbPaths, but allows to customise the option name.

splitArgs :: String -> [String] Source #

Helper function to split a string into a list of arguments. It's supposed to handle quoted things sensibly, eg:

splitArgs "--foo=\"C:/Program Files/Bar/" --baz"
  = ["--foo=C:/Program Files/Bar", "--baz"]
splitArgs "\"-DMSGSTR=\\\"foo bar\\\"\" --baz"
  = ["-DMSGSTR=\"foo bar\"","--baz"]

optionDistPref :: (flags -> Flag FilePath) -> (Flag FilePath -> flags -> flags) -> ShowOrParseArgs -> OptionField flags Source #

data Flag a Source #

All flags are monoids, they come in two flavours:

  1. list flags eg
--ghc-option=foo --ghc-option=bar

gives us all the values ["foo", "bar"]

  1. singular value flags, eg:
--enable-foo --disable-foo

gives us Just False So this Flag type is for the latter singular kind of flag. Its monoid instance gives us the behaviour where it starts out as NoFlag and later flags override earlier ones.

Constructors

Flag a 
NoFlag 
Instances
Functor Flag Source # 
Instance details

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Methods

fmap :: (a -> b) -> Flag a -> Flag b Source #

(<$) :: a -> Flag b -> Flag a Source #

Bounded a => Bounded (Flag a) Source # 
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Enum a => Enum (Flag a) Source # 
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Methods

succ :: Flag a -> Flag a Source #

pred :: Flag a -> Flag a Source #

toEnum :: Int -> Flag a Source #

fromEnum :: Flag a -> Int Source #

enumFrom :: Flag a -> [Flag a] Source #

enumFromThen :: Flag a -> Flag a -> [Flag a] Source #

enumFromTo :: Flag a -> Flag a -> [Flag a] Source #

enumFromThenTo :: Flag a -> Flag a -> Flag a -> [Flag a] Source #

Eq a => Eq (Flag a) Source # 
Instance details

Defined in Distribution.Simple.Setup

Methods

(==) :: Flag a -> Flag a -> Bool #

(/=) :: Flag a -> Flag a -> Bool #

Read a => Read (Flag a) Source # 
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Show a => Show (Flag a) Source # 
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Methods

showsPrec :: Int -> Flag a -> ShowS Source #

show :: Flag a -> String Source #

showList :: [Flag a] -> ShowS Source #

Generic (Flag a) Source # 
Instance details

Defined in Distribution.Simple.Setup

Associated Types

type Rep (Flag a) :: * -> * Source #

Methods

from :: Flag a -> Rep (Flag a) x Source #

to :: Rep (Flag a) x -> Flag a Source #

Semigroup (Flag a) Source # 
Instance details

Defined in Distribution.Simple.Setup

Methods

(<>) :: Flag a -> Flag a -> Flag a Source #

sconcat :: NonEmpty (Flag a) -> Flag a Source #

stimes :: Integral b => b -> Flag a -> Flag a Source #

Monoid (Flag a) Source # 
Instance details

Defined in Distribution.Simple.Setup

Methods

mempty :: Flag a Source #

mappend :: Flag a -> Flag a -> Flag a Source #

mconcat :: [Flag a] -> Flag a Source #

Binary a => Binary (Flag a) Source # 
Instance details

Defined in Distribution.Simple.Setup

Methods

put :: Flag a -> Put Source #

get :: Get (Flag a) Source #

putList :: [Flag a] -> Put Source #

type Rep (Flag a) Source # 
Instance details

Defined in Distribution.Simple.Setup

type Rep (Flag a) = D1 (MetaData "Flag" "Distribution.Simple.Setup" "Cabal-2.2.0.1" False) (C1 (MetaCons "Flag" PrefixI False) (S1 (MetaSel (Nothing :: Maybe Symbol) NoSourceUnpackedness NoSourceStrictness DecidedLazy) (Rec0 a)) :+: C1 (MetaCons "NoFlag" PrefixI False) (U1 :: * -> *))

toFlag :: a -> Flag a Source #

flagToList :: Flag a -> [a] Source #

class BooleanFlag a where Source #

Types that represent boolean flags.

Minimal complete definition

asBool

Methods

asBool :: a -> Bool Source #

Instances
BooleanFlag Bool Source # 
Instance details

Defined in Distribution.Simple.Setup

Methods

asBool :: Bool -> Bool Source #

boolOpt :: SFlags -> SFlags -> MkOptDescr (a -> Flag Bool) (Flag Bool -> a -> a) a Source #

boolOpt' :: OptFlags -> OptFlags -> MkOptDescr (a -> Flag Bool) (Flag Bool -> a -> a) a Source #

trueArg :: MkOptDescr (a -> Flag Bool) (Flag Bool -> a -> a) a Source #

falseArg :: MkOptDescr (a -> Flag Bool) (Flag Bool -> a -> a) a Source #

optionVerbosity :: (flags -> Flag Verbosity) -> (Flag Verbosity -> flags -> flags) -> OptionField flags Source #

optionNumJobs :: (flags -> Flag (Maybe Int)) -> (Flag (Maybe Int) -> flags -> flags) -> OptionField flags Source #