forked from mirrors/nixpkgs
356 lines
13 KiB
Nix
356 lines
13 KiB
Nix
# TODO(@Ericson2314): Remove `pkgs` param, which is only used for
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# `buildStackProject`, `justStaticExecutables` and `checkUnusedPackages`
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{ pkgs, lib }:
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rec {
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/* The same functionality as this haskell.lib, except that the derivation
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being overridden is always the last parameter. This permits more natural
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composition of several overrides, i.e. without having to nestle one call
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between the function name and argument of another. haskell.lib.compose is
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preferred for any new code.
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*/
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compose = import ./lib/compose.nix { inherit pkgs lib; };
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/* This function takes a file like `hackage-packages.nix` and constructs
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a full package set out of that.
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*/
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makePackageSet = compose.makePackageSet;
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/* The function overrideCabal lets you alter the arguments to the
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mkDerivation function.
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Example:
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First, note how the aeson package is constructed in hackage-packages.nix:
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"aeson" = callPackage ({ mkDerivation, attoparsec, <snip>
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}:
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mkDerivation {
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pname = "aeson";
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<snip>
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homepage = "https://github.com/bos/aeson";
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})
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The mkDerivation function of haskellPackages will take care of putting
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the homepage in the right place, in meta.
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> haskellPackages.aeson.meta.homepage
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"https://github.com/bos/aeson"
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> x = haskell.lib.overrideCabal haskellPackages.aeson (old: { homepage = old.homepage + "#readme"; })
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> x.meta.homepage
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"https://github.com/bos/aeson#readme"
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*/
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overrideCabal = drv: f: compose.overrideCabal f drv;
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# : Map Name (Either Path VersionNumber) -> HaskellPackageOverrideSet
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# Given a set whose values are either paths or version strings, produces
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# a package override set (i.e. (self: super: { etc. })) that sets
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# the packages named in the input set to the corresponding versions
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packageSourceOverrides = compose.packageSourceOverrides;
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/* doCoverage modifies a haskell package to enable the generation
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and installation of a coverage report.
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See https://wiki.haskell.org/Haskell_program_coverage
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*/
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doCoverage = compose.doCoverage;
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/* dontCoverage modifies a haskell package to disable the generation
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and installation of a coverage report.
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*/
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dontCoverage = compose.dontCoverage;
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/* doHaddock modifies a haskell package to enable the generation and
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installation of API documentation from code comments using the
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haddock tool.
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*/
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doHaddock = compose.doHaddock;
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/* dontHaddock modifies a haskell package to disable the generation and
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installation of API documentation from code comments using the
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haddock tool.
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*/
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dontHaddock = compose.dontHaddock;
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/* doJailbreak enables the removal of version bounds from the cabal
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file. You may want to avoid this function.
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This is useful when a package reports that it can not be built
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due to version mismatches. In some cases, removing the version
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bounds entirely is an easy way to make a package build, but at
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the risk of breaking software in non-obvious ways now or in the
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future.
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Instead of jailbreaking, you can patch the cabal file.
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Note that jailbreaking at this time, doesn't lift bounds on
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conditional branches.
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https://github.com/peti/jailbreak-cabal/issues/7 has further details.
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*/
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doJailbreak = compose.doJailbreak;
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/* dontJailbreak restores the use of the version bounds the check
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the use of dependencies in the package description.
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*/
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dontJailbreak = compose.dontJailbreak;
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/* doCheck enables dependency checking, compilation and execution
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of test suites listed in the package description file.
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*/
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doCheck = compose.doCheck;
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/* dontCheck disables dependency checking, compilation and execution
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of test suites listed in the package description file.
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*/
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dontCheck = compose.dontCheck;
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/* doBenchmark enables dependency checking, compilation and execution
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for benchmarks listed in the package description file.
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*/
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doBenchmark = compose.doBenchmark;
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/* dontBenchmark disables dependency checking, compilation and execution
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for benchmarks listed in the package description file.
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*/
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dontBenchmark = compose.dontBenchmark;
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/* doDistribute enables the distribution of binaries for the package
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via hydra.
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*/
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doDistribute = compose.doDistribute;
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/* dontDistribute disables the distribution of binaries for the package
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via hydra.
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*/
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dontDistribute = compose.dontDistribute;
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/* appendConfigureFlag adds a single argument that will be passed to the
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cabal configure command, after the arguments that have been defined
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in the initial declaration or previous overrides.
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Example:
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> haskell.lib.appendConfigureFlag haskellPackages.servant "--profiling-detail=all-functions"
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*/
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appendConfigureFlag = drv: x: compose.appendConfigureFlag x drv;
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appendConfigureFlags = drv: xs: compose.appendConfigureFlags xs drv;
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appendBuildFlag = drv: x: compose.appendBuildFlag x drv;
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appendBuildFlags = drv: xs: compose.appendBuildFlags xs drv;
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/* removeConfigureFlag drv x is a Haskell package like drv, but with
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all cabal configure arguments that are equal to x removed.
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> haskell.lib.removeConfigureFlag haskellPackages.servant "--verbose"
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*/
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removeConfigureFlag = drv: x: compose.removeConfigureFlag x drv;
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addBuildTool = drv: x: compose.addBuildTool x drv;
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addBuildTools = drv: xs: compose.addBuildTools xs drv;
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addExtraLibrary = drv: x: compose.addExtraLibrary x drv;
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addExtraLibraries = drv: xs: compose.addExtraLibraries xs drv;
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addBuildDepend = drv: x: compose.addBuildDepend x drv;
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addBuildDepends = drv: xs: compose.addBuildDepends xs drv;
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addTestToolDepend = drv: x: compose.addTestToolDepend x drv;
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addTestToolDepends = drv: xs: compose.addTestToolDepends xs drv;
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addPkgconfigDepend = drv: x: compose.addPkgconfigDepend x drv;
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addPkgconfigDepends = drv: xs: compose.addPkgconfigDepends xs drv;
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addSetupDepend = drv: x: compose.addSetupDepend x drv;
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addSetupDepends = drv: xs: compose.addSetupDepends xs drv;
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enableCabalFlag = drv: x: compose.enableCabalFlag x drv;
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disableCabalFlag = drv: x: compose.disableCabalFlag x drv;
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markBroken = compose.markBroken;
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unmarkBroken = compose.unmarkBroken;
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markBrokenVersion = compose.markBrokenVersion;
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markUnbroken = compose.markUnbroken;
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enableLibraryProfiling = compose.enableLibraryProfiling;
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disableLibraryProfiling = compose.disableLibraryProfiling;
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enableExecutableProfiling = compose.enableExecutableProfiling;
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disableExecutableProfiling = compose.disableExecutableProfiling;
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enableSharedExecutables = compose.enableSharedExecutables;
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disableSharedExecutables = compose.disableSharedExecutables;
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enableSharedLibraries = compose.enableSharedLibraries;
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disableSharedLibraries = compose.disableSharedLibraries;
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enableDeadCodeElimination = compose.enableDeadCodeElimination;
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disableDeadCodeElimination = compose.disableDeadCodeElimination;
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enableStaticLibraries = compose.enableStaticLibraries;
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disableStaticLibraries = compose.disableStaticLibraries;
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enableSeparateBinOutput = compose.enableSeparateBinOutput;
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appendPatch = drv: x: compose.appendPatch x drv;
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appendPatches = drv: xs: compose.appendPatches xs drv;
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/* Set a specific build target instead of compiling all targets in the package.
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* For example, imagine we have a .cabal file with a library, and 2 executables "dev" and "server".
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* We can build only "server" and not wait on the compilation of "dev" by using setBuildTarget as follows:
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*
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* setBuildTarget (callCabal2nix "thePackageName" thePackageSrc {}) "server"
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*
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*/
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setBuildTargets = drv: xs: compose.setBuildTargets xs drv;
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setBuildTarget = drv: x: compose.setBuildTarget x drv;
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doHyperlinkSource = compose.doHyperlinkSource;
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dontHyperlinkSource = compose.dontHyperlinkSource;
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disableHardening = drv: flags: compose.disableHardening flags drv;
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/* Let Nix strip the binary files.
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* This removes debugging symbols.
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*/
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doStrip = compose.doStrip;
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/* Stop Nix from stripping the binary files.
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* This keeps debugging symbols.
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*/
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dontStrip = compose.dontStrip;
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/* Useful for debugging segfaults with gdb.
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* This includes dontStrip.
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*/
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enableDWARFDebugging = compose.enableDWARFDebugging;
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/* Create a source distribution tarball like those found on hackage,
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instead of building the package.
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*/
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sdistTarball = compose.sdistTarball;
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/* Create a documentation tarball suitable for uploading to Hackage instead
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of building the package.
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*/
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documentationTarball = compose.documentationTarball;
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/* Use the gold linker. It is a linker for ELF that is designed
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"to run as fast as possible on modern systems"
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*/
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linkWithGold = compose.linkWithGold;
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/* link executables statically against haskell libs to reduce
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closure size
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*/
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justStaticExecutables = compose.justStaticExecutables;
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/* Build a source distribution tarball instead of using the source files
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directly. The effect is that the package is built as if it were published
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on hackage. This can be used as a test for the source distribution,
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assuming the build fails when packaging mistakes are in the cabal file.
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*/
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buildFromSdist = compose.buildFromSdist;
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/* Build the package in a strict way to uncover potential problems.
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This includes buildFromSdist and failOnAllWarnings.
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*/
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buildStrictly = compose.buildStrictly;
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/* Disable core optimizations, significantly speeds up build time */
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disableOptimization = compose.disableOptimization;
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/* Turn on most of the compiler warnings and fail the build if any
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of them occur. */
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failOnAllWarnings = compose.failOnAllWarnings;
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/* Add a post-build check to verify that dependencies declared in
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the cabal file are actually used.
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The first attrset argument can be used to configure the strictness
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of this check and a list of ignored package names that would otherwise
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cause false alarms.
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*/
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checkUnusedPackages = compose.checkUnusedPackages;
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buildStackProject = compose.buildStackProject;
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/* Add a dummy command to trigger a build despite an equivalent
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earlier build that is present in the store or cache.
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*/
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triggerRebuild = drv: i: compose.triggerRebuild i drv;
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/* Override the sources for the package and optionaly the version.
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This also takes of removing editedCabalFile.
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*/
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overrideSrc = drv: src: compose.overrideSrc src drv;
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# Get all of the build inputs of a haskell package, divided by category.
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getBuildInputs = compose.getBuildInputs;
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# Extract the haskell build inputs of a haskell package.
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# This is useful to build environments for developing on that
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# package.
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getHaskellBuildInputs = compose.getHaskellBuildInputs;
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# Under normal evaluation, simply return the original package. Under
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# nix-shell evaluation, return a nix-shell optimized environment.
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shellAware = compose.shellAware;
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ghcInfo = compose.ghcInfo;
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### mkDerivation helpers
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# These allow external users of a haskell package to extract
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# information about how it is built in the same way that the
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# generic haskell builder does, by reusing the same functions.
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# Each function here has the same interface as mkDerivation and thus
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# can be called for a given package simply by overriding the
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# mkDerivation argument it used. See getHaskellBuildInputs above for
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# an example of this.
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# Some information about which phases should be run.
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controlPhases = compose.controlPhases;
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# Utility to convert a directory full of `cabal2nix`-generated files into a
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# package override set
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#
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# packagesFromDirectory : { directory : Directory, ... } -> HaskellPackageOverrideSet
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packagesFromDirectory = compose.packagesFromDirectory;
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addOptparseApplicativeCompletionScripts = compose.addOptparseApplicativeCompletionScripts;
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/*
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Modify a Haskell package to add shell completion scripts for the
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given executable produced by it. These completion scripts will be
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picked up automatically if the resulting derivation is installed,
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e.g. by `nix-env -i`.
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Invocation:
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generateOptparseApplicativeCompletions command pkg
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command: name of an executable
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pkg: Haskell package that builds the executables
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*/
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generateOptparseApplicativeCompletion = compose.generateOptparseApplicativeCompletion;
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/*
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Modify a Haskell package to add shell completion scripts for the
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given executables produced by it. These completion scripts will be
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picked up automatically if the resulting derivation is installed,
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e.g. by `nix-env -i`.
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Invocation:
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generateOptparseApplicativeCompletions commands pkg
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commands: name of an executable
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pkg: Haskell package that builds the executables
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*/
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generateOptparseApplicativeCompletions = compose.generateOptparseApplicativeCompletions;
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# Don't fail at configure time if there are multiple versions of the
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# same package in the (recursive) dependencies of the package being
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# built. Will delay failures, if any, to compile time.
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allowInconsistentDependencies = compose.allowInconsistentDependencies;
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}
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