comonad 5 → 5.0.1

raw patch · 8 files changed

+319/−157 lines, 8 filesdep −directorydep −filepathdep ~doctestsetup-changednew-uploaderPVP: major bump suggested

API removals or changes: PVP suggests a major version bump

Dependencies removed: directory, filepath

Dependency ranges changed: doctest

API changes (from Hackage documentation)

Files

• .gitignore +1/−0
• .travis.yml +96/−22
• CHANGELOG.markdown +6/−0
• README.markdown +16/−15
• Setup.lhs +165/−38
• comonad.cabal +10/−6
• tests/doctests.hs +25/−0
• tests/doctests.hsc +0/−76

@@ -1,4 +1,5 @@ dist+dist-newstyle docs wiki TAGS

@@ -1,39 +1,111 @@-env:- - GHCVER=7.0.1 CABALVER=1.16- - GHCVER=7.0.4 CABALVER=1.16- - GHCVER=7.2.2 CABALVER=1.16- - GHCVER=7.4.2 CABALVER=1.16- - GHCVER=7.6.3 CABALVER=1.16- - GHCVER=7.8.4 CABALVER=1.18- - GHCVER=7.10.2 CABALVER=1.22- - GHCVER=head CABALVER=1.22+# This file has been generated -- see https://github.com/hvr/multi-ghc-travis+language: c+sudo: false +cache:+  directories:+    - $HOME/.cabsnap+    - $HOME/.cabal/packages++before_cache:+  - rm -fv $HOME/.cabal/packages/hackage.haskell.org/build-reports.log+  - rm -fv $HOME/.cabal/packages/hackage.haskell.org/00-index.tar+ matrix:+  include:+    - env: CABALVER=1.24 GHCVER=7.0.4+      compiler: ": #GHC 7.0.4"+      addons: {apt: {packages: [cabal-install-1.24,ghc-7.0.4], sources: [hvr-ghc]}}+    - env: CABALVER=1.24 GHCVER=7.2.2+      compiler: ": #GHC 7.2.2"+      addons: {apt: {packages: [cabal-install-1.24,ghc-7.2.2], sources: [hvr-ghc]}}+    - env: CABALVER=1.24 GHCVER=7.4.2+      compiler: ": #GHC 7.4.2"+      addons: {apt: {packages: [cabal-install-1.24,ghc-7.4.2], sources: [hvr-ghc]}}+    - env: CABALVER=1.24 GHCVER=7.6.3+      compiler: ": #GHC 7.6.3"+      addons: {apt: {packages: [cabal-install-1.24,ghc-7.6.3], sources: [hvr-ghc]}}+    - env: CABALVER=1.24 GHCVER=7.8.4+      compiler: ": #GHC 7.8.4"+      addons: {apt: {packages: [cabal-install-1.24,ghc-7.8.4], sources: [hvr-ghc]}}+    - env: CABALVER=1.24 GHCVER=7.10.3+      compiler: ": #GHC 7.10.3"+      addons: {apt: {packages: [cabal-install-1.24,ghc-7.10.3], sources: [hvr-ghc]}}+    - env: CABALVER=1.24 GHCVER=8.0.2+      compiler: ": #GHC 8.0.2"+      addons: {apt: {packages: [cabal-install-1.24,ghc-8.0.2], sources: [hvr-ghc]}}+    - env: CABALVER=1.24 GHCVER=8.2.1+      compiler: ": #GHC 8.2.1"+      addons: {apt: {packages: [cabal-install-1.24,ghc-8.2.1], sources: [hvr-ghc]}}+    - env: CABALVER=head GHCVER=head+      compiler: ": #GHC head"+      addons: {apt: {packages: [cabal-install-head,ghc-head], sources: [hvr-ghc]}}+   allow_failures:-   - env: GHCVER=7.0.1 CABALVER=1.16-   - env: GHCVER=7.0.4 CABALVER=1.16-   - env: GHCVER=7.2.2 CABALVER=1.16-   - env: GHCVER=head CABALVER=1.22+    - env: CABALVER=1.24 GHCVER=7.0.4+    - env: CABALVER=1.24 GHCVER=7.2.2+    - env: CABALVER=head GHCVER=head  before_install:- - travis_retry sudo add-apt-repository -y ppa:hvr/ghc- - travis_retry sudo apt-get update- - travis_retry sudo apt-get install cabal-install-$CABALVER ghc-$GHCVER- - export PATH=/opt/ghc/$GHCVER/bin:/opt/cabal/$CABALVER/bin:$PATH- - cabal --version+ - unset CC+ - export PATH=$HOME/.cabal/bin:/opt/ghc/$GHCVER/bin:/opt/cabal/$CABALVER/bin:$PATH  install:- - travis_retry cabal update- - cabal install --enable-tests --only-dependencies+ - cabal --version+ - echo "$(ghc --version) [$(ghc --print-project-git-commit-id 2> /dev/null || echo '?')]"+ - if [ -f $HOME/.cabal/packages/hackage.haskell.org/00-index.tar.gz ];+   then+     zcat $HOME/.cabal/packages/hackage.haskell.org/00-index.tar.gz >+          $HOME/.cabal/packages/hackage.haskell.org/00-index.tar;+   fi+ - travis_retry cabal update -v+ - sed -i 's/^jobs:/-- jobs:/' ${HOME}/.cabal/config+ - cabal install --only-dependencies --enable-tests --dry -v > installplan.txt+ - sed -i -e '1,/^Resolving /d' installplan.txt; cat installplan.txt +# check whether current requested install-plan matches cached package-db snapshot+ - if diff -u installplan.txt $HOME/.cabsnap/installplan.txt;+   then+     echo "cabal build-cache HIT";+     rm -rfv .ghc;+     cp -a $HOME/.cabsnap/ghc $HOME/.ghc;+     cp -a $HOME/.cabsnap/lib $HOME/.cabsnap/share $HOME/.cabsnap/bin $HOME/.cabal/;+   else+     echo "cabal build-cache MISS";+     rm -rf $HOME/.cabsnap;+     mkdir -p $HOME/.ghc $HOME/.cabal/lib $HOME/.cabal/share $HOME/.cabal/bin;+     cabal install -j --only-dependencies --enable-tests;+   fi++# snapshot package-db on cache miss+ - if [ ! -d $HOME/.cabsnap ];+   then+      echo "snapshotting package-db to build-cache";+      mkdir $HOME/.cabsnap;+      cp -a $HOME/.ghc $HOME/.cabsnap/ghc;+      cp -a $HOME/.cabal/lib $HOME/.cabal/share $HOME/.cabal/bin installplan.txt $HOME/.cabsnap/;+   fi++# Here starts the actual work to be performed for the package under+# test; any command which exits with a non-zero exit code causes the+# build to fail. script:+ # -v2 provides useful information for debugging  - cabal configure -v2 --enable-tests++ # this builds all libraries and executables+ # (including tests/benchmarks)  - cabal build+ - cabal test++ # tests that a source-distribution can be generated  - cabal sdist++ # check that the generated source-distribution can be built & installed  - export SRC_TGZ=$(cabal info . | awk '{print $2 ".tar.gz";exit}') ;    cd dist/;    if [ -f "$SRC_TGZ" ]; then-      cabal install "$SRC_TGZ";+      cabal install --force-reinstalls "$SRC_TGZ";    else       echo "expected '$SRC_TGZ' not found";       exit 1;@@ -45,4 +117,6 @@       - "irc.freenode.org#haskell-lens"     skip_join: true     template:-      - "\x0313comonad\x0f/\x0306%{branch}\x0f \x0314%{commit}\x0f %{message} \x0302\x1f%{build_url}\x0f"+      - "\x0313comonad\x03/\x0306%{branch}\x03 \x0314%{commit}\x03 %{build_url} %{message}"++# EOF

@@ -1,3 +1,9 @@+5.0.1+-----+* Revamp `Setup.hs` to use `cabal-doctest`. This makes it build+  with `Cabal-1.25`, and makes the `doctest`s work with `cabal new-build` and+  sandboxes.+ 5 - * Removed module `Data.Functor.Coproduct` in favor of the `transformers`

@@ -3,7 +3,8 @@  [![Hackage](https://img.shields.io/hackage/v/comonad.svg)](https://hackage.haskell.org/package/comonad) [![Build Status](https://secure.travis-ci.org/ekmett/comonad.png?branch=master)](http://travis-ci.org/ekmett/comonad) -This package provides comonads, the categorical dual of monads.+This package provides comonads, the categorical dual of monads. The typeclass+provides three methods:  `extract`, `duplicate`, and `extend`.      class Functor w => Comonad w where         extract :: w a -> a@@ -12,42 +13,42 @@  There are two ways to define a comonad: -I. Provide definitions for 'extract' and 'extend' satisfying these laws:+I. Provide definitions for `extract` and `extend` satisfying these laws:      extend extract      = id     extract . extend f  = f     extend f . extend g = extend (f . extend g) -In this case, you may simply set 'fmap' = 'liftW'.+In this case, you may simply set `fmap` = `liftW`. -These laws are directly analogous to the laws for monads-and perhaps can be made clearer by viewing them as laws stating-that Cokleisli composition must be associative, and has extract for-a unit:+These laws are directly analogous to the [laws for+monads](https://wiki.haskell.org/Monad_laws). The comonad laws can+perhaps be made clearer by viewing them as stating that Cokleisli composition+must be a) associative and b) have `extract` for a unit:      f =>= extract   = f     extract =>= f   = f     (f =>= g) =>= h = f =>= (g =>= h) -II. Alternately, you may choose to provide definitions for 'fmap',-'extract', and 'duplicate' satisfying these laws:+II. Alternately, you may choose to provide definitions for `fmap`,+`extract`, and `duplicate` satisfying these laws:      extract . duplicate      = id     fmap extract . duplicate = id     duplicate . duplicate    = fmap duplicate . duplicate -In this case you may not rely on the ability to define 'fmap' in-terms of 'liftW'.+In this case, you may not rely on the ability to define `fmap` in+terms of `liftW`. -You may of course, choose to define both 'duplicate' /and/ 'extend'.-In that case you must also satisfy these laws:+You may, of course, choose to define both `duplicate` /and/ `extend`.+In that case, you must also satisfy these laws:      extend f  = fmap f . duplicate     duplicate = extend id     fmap f    = extend (f . extract) -These are the default definitions of 'extend' and'duplicate' and-the definition of 'liftW' respectively.+These implementations are the default definitions of `extend` and`duplicate` and+the definition of `liftW` respectively.  Contact Information -------------------

@@ -1,55 +1,182 @@-#!/usr/bin/runhaskell \begin{code}-{-# OPTIONS_GHC -Wall #-}+{-# LANGUAGE CPP #-}+{-# LANGUAGE OverloadedStrings #-} module Main (main) where +#ifndef MIN_VERSION_cabal_doctest+#define MIN_VERSION_cabal_doctest(x,y,z) 0+#endif+++#if MIN_VERSION_cabal_doctest(1,0,0)+import Distribution.Extra.Doctest ( defaultMainWithDoctests )+#else++-- Otherwise we provide a shim++#ifndef MIN_VERSION_Cabal+#define MIN_VERSION_Cabal(x,y,z) 0+#endif+#ifndef MIN_VERSION_directory+#define MIN_VERSION_directory(x,y,z) 0+#endif+#if MIN_VERSION_Cabal(1,24,0)+#define InstalledPackageId UnitId+#endif++import Control.Monad ( when ) import Data.List ( nub )-import Data.Version ( showVersion )-import Distribution.Package ( PackageName(PackageName), Package, PackageId, InstalledPackageId, packageVersion, packageName )-import Distribution.PackageDescription ( PackageDescription(), TestSuite(..) )+import Data.String ( fromString )+import Distribution.Package ( InstalledPackageId )+import Distribution.Package ( PackageId, Package (..), packageVersion )+import Distribution.PackageDescription ( PackageDescription(), TestSuite(..) , Library (..), BuildInfo (..)) import Distribution.Simple ( defaultMainWithHooks, UserHooks(..), simpleUserHooks )-import Distribution.Simple.Utils ( rewriteFile, createDirectoryIfMissingVerbose, copyFiles )+import Distribution.Simple.Utils ( rewriteFile, createDirectoryIfMissingVerbose ) import Distribution.Simple.BuildPaths ( autogenModulesDir )-import Distribution.Simple.Setup ( BuildFlags(buildVerbosity), Flag(..), fromFlag, HaddockFlags(haddockDistPref))-import Distribution.Simple.LocalBuildInfo ( withLibLBI, withTestLBI, LocalBuildInfo(), ComponentLocalBuildInfo(componentPackageDeps) )-import Distribution.Text ( display )-import Distribution.Verbosity ( Verbosity, normal )+import Distribution.Simple.Setup ( BuildFlags(buildDistPref, buildVerbosity), fromFlag)+import Distribution.Simple.LocalBuildInfo ( withPackageDB, withLibLBI, withTestLBI, LocalBuildInfo(), ComponentLocalBuildInfo(componentPackageDeps), compiler )+import Distribution.Simple.Compiler ( showCompilerId , PackageDB (..))+import Distribution.Text ( display , simpleParse ) import System.FilePath ( (</>) ) -main :: IO ()-main = defaultMainWithHooks simpleUserHooks-  { buildHook = \pkg lbi hooks flags -> do-     generateBuildModule (fromFlag (buildVerbosity flags)) pkg lbi-     buildHook simpleUserHooks pkg lbi hooks flags-  , postHaddock = \args flags pkg lbi -> do-     copyFiles normal (haddockOutputDir flags pkg) []-     postHaddock simpleUserHooks args flags pkg lbi-  }+#if MIN_VERSION_Cabal(1,25,0)+import Distribution.Simple.BuildPaths ( autogenComponentModulesDir )+#endif -haddockOutputDir :: Package p => HaddockFlags -> p -> FilePath-haddockOutputDir flags pkg = destDir where-  baseDir = case haddockDistPref flags of-    NoFlag -> "."-    Flag x -> x-  destDir = baseDir </> "doc" </> "html" </> display (packageName pkg)+#if MIN_VERSION_directory(1,2,2)+import System.Directory (makeAbsolute)+#else+import System.Directory (getCurrentDirectory)+import System.FilePath (isAbsolute) -generateBuildModule :: Verbosity -> PackageDescription -> LocalBuildInfo -> IO ()-generateBuildModule verbosity pkg lbi = do-  let dir = autogenModulesDir lbi-  createDirectoryIfMissingVerbose verbosity True dir-  withLibLBI pkg lbi $ \_ libcfg -> do-    withTestLBI pkg lbi $ \suite suitecfg -> do-      rewriteFile (dir </> "Build_" ++ testName suite ++ ".hs") $ unlines-        [ "module Build_" ++ testName suite ++ " where"-        , "deps :: [String]"-        , "deps = " ++ (show $ formatdeps (testDeps libcfg suitecfg))+makeAbsolute :: FilePath -> IO FilePath+makeAbsolute p | isAbsolute p = return p+               | otherwise    = do+    cwd <- getCurrentDirectory+    return $ cwd </> p+#endif++generateBuildModule :: String -> BuildFlags -> PackageDescription -> LocalBuildInfo -> IO ()+generateBuildModule testsuiteName flags pkg lbi = do+  let verbosity = fromFlag (buildVerbosity flags)+  let distPref = fromFlag (buildDistPref flags)++  -- Package DBs+  let dbStack = withPackageDB lbi ++ [ SpecificPackageDB $ distPref </> "package.conf.inplace" ]+  let dbFlags = "-hide-all-packages" : packageDbArgs dbStack++  withLibLBI pkg lbi $ \lib libcfg -> do+    let libBI = libBuildInfo lib++    -- modules+    let modules = exposedModules lib ++ otherModules libBI+    -- it seems that doctest is happy to take in module names, not actual files!+    let module_sources = modules++    -- We need the directory with library's cabal_macros.h!+#if MIN_VERSION_Cabal(1,25,0)+    let libAutogenDir = autogenComponentModulesDir lbi libcfg+#else+    let libAutogenDir = autogenModulesDir lbi+#endif++    -- Lib sources and includes+    iArgs <- mapM (fmap ("-i"++) . makeAbsolute) $ libAutogenDir : hsSourceDirs libBI+    includeArgs <- mapM (fmap ("-I"++) . makeAbsolute) $ includeDirs libBI++    -- CPP includes, i.e. include cabal_macros.h+    let cppFlags = map ("-optP"++) $+            [ "-include", libAutogenDir ++ "/cabal_macros.h" ]+            ++ cppOptions libBI++    withTestLBI pkg lbi $ \suite suitecfg -> when (testName suite == fromString testsuiteName) $ do++      -- get and create autogen dir+#if MIN_VERSION_Cabal(1,25,0)+      let testAutogenDir = autogenComponentModulesDir lbi suitecfg+#else+      let testAutogenDir = autogenModulesDir lbi+#endif+      createDirectoryIfMissingVerbose verbosity True testAutogenDir++      -- write autogen'd file+      rewriteFile (testAutogenDir </> "Build_doctests.hs") $ unlines+        [ "module Build_doctests where"+        , ""+        -- -package-id etc. flags+        , "pkgs :: [String]"+        , "pkgs = " ++ (show $ formatDeps $ testDeps libcfg suitecfg)+        , ""+        , "flags :: [String]"+        , "flags = " ++ show (iArgs ++ includeArgs ++ dbFlags ++ cppFlags)+        , ""+        , "module_sources :: [String]"+        , "module_sources = " ++ show (map display module_sources)         ]   where-    formatdeps = map (formatone . snd)-    formatone p = case packageName p of-      PackageName n -> n ++ "-" ++ showVersion (packageVersion p)+    -- we do this check in Setup, as then doctests don't need to depend on Cabal+    isOldCompiler = maybe False id $ do+      a <- simpleParse $ showCompilerId $ compiler lbi+      b <- simpleParse "7.5"+      return $ packageVersion (a :: PackageId) < b +    formatDeps = map formatOne+    formatOne (installedPkgId, pkgId)+      -- The problem is how different cabal executables handle package databases+      -- when doctests depend on the library+      | packageId pkg == pkgId = "-package=" ++ display pkgId+      | otherwise              = "-package-id=" ++ display installedPkgId++    -- From Distribution.Simple.Program.GHC+    packageDbArgs :: [PackageDB] -> [String]+    packageDbArgs | isOldCompiler = packageDbArgsConf+                  | otherwise     = packageDbArgsDb++    -- GHC <7.6 uses '-package-conf' instead of '-package-db'.+    packageDbArgsConf :: [PackageDB] -> [String]+    packageDbArgsConf dbstack = case dbstack of+      (GlobalPackageDB:UserPackageDB:dbs) -> concatMap specific dbs+      (GlobalPackageDB:dbs)               -> ("-no-user-package-conf")+                                           : concatMap specific dbs+      _ -> ierror+      where+        specific (SpecificPackageDB db) = [ "-package-conf=" ++ db ]+        specific _                      = ierror+        ierror = error $ "internal error: unexpected package db stack: "+                      ++ show dbstack++    -- GHC >= 7.6 uses the '-package-db' flag. See+    -- https://ghc.haskell.org/trac/ghc/ticket/5977.+    packageDbArgsDb :: [PackageDB] -> [String]+    -- special cases to make arguments prettier in common scenarios+    packageDbArgsDb dbstack = case dbstack of+      (GlobalPackageDB:UserPackageDB:dbs)+        | all isSpecific dbs              -> concatMap single dbs+      (GlobalPackageDB:dbs)+        | all isSpecific dbs              -> "-no-user-package-db"+                                           : concatMap single dbs+      dbs                                 -> "-clear-package-db"+                                           : concatMap single dbs+     where+       single (SpecificPackageDB db) = [ "-package-db=" ++ db ]+       single GlobalPackageDB        = [ "-global-package-db" ]+       single UserPackageDB          = [ "-user-package-db" ]+       isSpecific (SpecificPackageDB _) = True+       isSpecific _                     = False+ testDeps :: ComponentLocalBuildInfo -> ComponentLocalBuildInfo -> [(InstalledPackageId, PackageId)] testDeps xs ys = nub $ componentPackageDeps xs ++ componentPackageDeps ys++defaultMainWithDoctests :: String -> IO ()+defaultMainWithDoctests testSuiteName = defaultMainWithHooks simpleUserHooks+  { buildHook = \pkg lbi hooks flags -> do+     generateBuildModule testSuiteName flags pkg lbi+     buildHook simpleUserHooks pkg lbi hooks flags+  }++#endif++main :: IO ()+main = defaultMainWithDoctests "doctests"  \end{code}

@@ -1,6 +1,6 @@ name:          comonad category:      Control, Comonads-version:       5+version:       5.0.1 license:       BSD3 cabal-version: >= 1.10 license-file:  LICENSE@@ -14,7 +14,7 @@ synopsis:      Comonads description:   Comonads build-type:    Custom-tested-with:   GHC==7.0.1, GHC == 7.0.4, GHC == 7.2.2, GHC == 7.4.2, GHC == 7.6.3, GHC == 7.8.4, GHC == 7.10.2+tested-with:   GHC == 7.0.4, GHC == 7.2.2, GHC == 7.4.2, GHC == 7.6.3, GHC == 7.8.4, GHC == 7.10.3, GHC == 8.0.2, GHC == 8.2.1 extra-source-files:   .ghci   .gitignore@@ -26,6 +26,12 @@   examples/History.hs   HLint.hs +custom-setup+  setup-depends:+    base          >= 4 && < 5,+    Cabal,+    cabal-doctest >= 1 && < 1.1+ -- You can disable the doctests test suite with -f-test-doctests flag test-doctests   default: True@@ -85,7 +91,7 @@     build-depends: contravariant >= 0.2.0.1 && < 2    if flag(distributive)-    build-depends: distributive >= 0.2.2   && < 1 +    build-depends: distributive >= 0.2.2   && < 1    exposed-modules:     Control.Comonad@@ -124,6 +130,4 @@   else     build-depends:       base,-      directory      >= 1.0,-      doctest        >= 0.9.10,-      filepath+      doctest >= 0.11.1 && < 0.12

@@ -0,0 +1,25 @@+-----------------------------------------------------------------------------+-- |+-- Module      :  Main (doctests)+-- Copyright   :  (C) 2012-14 Edward Kmett+-- License     :  BSD-style (see the file LICENSE)+-- Maintainer  :  Edward Kmett <ekmett@gmail.com>+-- Stability   :  provisional+-- Portability :  portable+--+-- This module provides doctests for a project based on the actual versions+-- of the packages it was built with. It requires a corresponding Setup.lhs+-- to be added to the project+-----------------------------------------------------------------------------+module Main where++import Build_doctests (flags, pkgs, module_sources)+import Data.Foldable (traverse_)+import Test.DocTest++main :: IO ()+main = do+    traverse_ putStrLn args+    doctest args+  where+    args = flags ++ pkgs ++ module_sources

@@ -1,76 +0,0 @@-{-# LANGUAGE CPP #-}-{-# LANGUAGE ForeignFunctionInterface #-}--------------------------------------------------------------------------------- |--- Module      :  Main (doctests)--- Copyright   :  (C) 2012-13 Edward Kmett--- License     :  BSD-style (see the file LICENSE)--- Maintainer  :  Edward Kmett <ekmett@gmail.com>--- Stability   :  provisional--- Portability :  portable------ This module provides doctests for a project based on the actual versions--- of the packages it was built with. It requires a corresponding Setup.lhs--- to be added to the project-------------------------------------------------------------------------------module Main where--import Build_doctests (deps)-#if __GLASGOW_HASKELL__ < 710-import Control.Applicative-#endif-import Control.Monad-import Data.List-import System.Directory-import System.FilePath-import Test.DocTest--##if defined(mingw32_HOST_OS)-##if defined(i386_HOST_ARCH)-##define USE_CP-import Control.Applicative-import Control.Exception-import Foreign.C.Types-foreign import stdcall "windows.h SetConsoleCP" c_SetConsoleCP :: CUInt -> IO Bool-foreign import stdcall "windows.h GetConsoleCP" c_GetConsoleCP :: IO CUInt-##elif defined(x86_64_HOST_ARCH)-##define USE_CP-import Control.Applicative-import Control.Exception-import Foreign.C.Types-foreign import ccall "windows.h SetConsoleCP" c_SetConsoleCP :: CUInt -> IO Bool-foreign import ccall "windows.h GetConsoleCP" c_GetConsoleCP :: IO CUInt-##endif-##endif---- | Run in a modified codepage where we can print UTF-8 values on Windows.-withUnicode :: IO a -> IO a-##ifdef USE_CP-withUnicode m = do-  cp <- c_GetConsoleCP-  (c_SetConsoleCP 65001 >> m) `finally` c_SetConsoleCP cp-##else-withUnicode m = m-##endif--main :: IO ()-main = withUnicode $ getSources >>= \sources -> doctest $-    "-isrc"-  : "-idist/build/autogen"-  : "-optP-include"-  : "-optPdist/build/autogen/cabal_macros.h"-  : "-hide-all-packages"-  : "-Iincludes"-  : map ("-package="++) deps ++ sources--getSources :: IO [FilePath]-getSources = filter (isSuffixOf ".hs") <$> go "src"-  where-    go dir = do-      (dirs, files) <- getFilesAndDirectories dir-      (files ++) . concat <$> mapM go dirs--getFilesAndDirectories :: FilePath -> IO ([FilePath], [FilePath])-getFilesAndDirectories dir = do-  c <- map (dir </>) . filter (`notElem` ["..", "."]) <$> getDirectoryContents dir-  (,) <$> filterM doesDirectoryExist c <*> filterM doesFileExist c