Stop relying on cabal auto-generated stuff

.gitignore

@@ -1,2 +1,4 @@
 /dist-newstyle/*
 .ghc.environment.*
+*.o
+*.hi

README.md

@@ -62,6 +62,18 @@ mkdir -p ~/.sjw
 cp -r src/ ~/.sjw/unitJS
 ```
 
+Then, the static data used by hablo need to be available in a XDG path. Depending on whether you are installing for your user or system-wide, you may want to perform something either
+
+```bash
+cp -R share ~/.local/share/hablo
+```
+
+or
+
+```bash
+sudo cp -R share /usr/local/share/hablo
+```
+
 ### Using hablo (tutorials)
 
 Wanna give it a try ? Start by [generating your blog](https://git.marvid.fr/Tissevert/hablo/wiki/Generating%20your%20blog)

guix.scm

@@ -29,10 +29,19 @@
             ghc-sjw
             ghc-template
             ghc-xdg-basedir))
+    (arguments
+      `(#:phases
+        (modify-phases %standard-phases
+          (insert-after 'install 'copy-static-resources
+            (lambda* #:key outputs #:allow-other-keys
+              (let ((out (assoc-ref outputs "out")))
+                (copy-recursively "share" (string-append out "/share/hablo"))))))))
     (native-search-paths
       (list
         (search-path-specification (variable "SJW_PATH")
-                                   (files '("lib/SJW")))))
+                                   (files '("lib/SJW")))
+        (search-path-specification (variable "XDG_DATA_DIRS")
+                                   (files '("share")))))
     (home-page "https://git.marvid.fr/Tissevert/SJW")
     (synopsis "The Simple Javascript Wrench")
     (description

hablo.cabal

@@ -23,9 +23,6 @@ maintainer:          tissevert+devel@marvid.fr
 category:            Web
 extra-source-files:  CHANGELOG.md
 build-type:          Simple
-data-dir:            share
-data-files:          js/*.js
-                     defaultWording.conf
 
 library
   exposed-modules:     Arguments
@@ -46,7 +43,6 @@ library
                      , JSON
                      , Markdown
                      , Page
-                     , Paths_hablo
                      , Pretty
                      , RSS
   -- other-extensions:
@@ -65,13 +61,13 @@ library
                      , time >= 1.8.0 && < 1.12
                      , SJW >= 0.1.2 && < 0.2
                      , unix >= 2.7.2 && < 2.8
+                     , xdg-basedir >= 0.2.2 && < 0.3
   ghc-options:         -Wall
   hs-source-dirs:      src
   default-language:    Haskell2010
 
 executable hablo
   main-is:             src/Main.hs
-  other-modules:       Paths_hablo
   -- other-extensions:
   build-depends:       base
                      , hablo

src/Arguments.hs

@@ -2,21 +2,23 @@
 module Arguments (
       Arguments(..)
     , get
+    , version
   ) where
 
 #if !MIN_VERSION_base(4,11,0)
 import Data.Monoid ((<>))
 #endif
-import Data.Version (showVersion)
 import Control.Applicative ((<|>), (<**>), optional)
 import Options.Applicative (
       Parser, ReadM, argument, auto, eitherReader, execParser, flag', fullDesc
     , header, help, helper, info, long, metavar, short, str, switch, value
   )
 import qualified Options.Applicative as Optparse (option)
-import qualified Paths_hablo as Hablo (version)
 import System.FilePath (dropTrailingPathSeparator, isValid)
 
+version :: String
+version = "0.3.0.0"
+
 data Arguments = BlogConfig {
       sourceDir :: FilePath
     , articlesPath :: Maybe FilePath
@@ -81,15 +83,15 @@ blogConfig = BlogConfig
   <*> option filePath 'u' "site-url" "URL" "URL where the blog is published"
   <*> option filePath 'w' "wording" "FILE" "path to the file containing the wording to use"
 
-version :: Parser Arguments
-version = flag' Version (
+versionP :: Parser Arguments
+versionP = flag' Version (
       long "version"
     <> short 'v'
     <> help "print the version number"
   )
 
 arguments :: Parser Arguments
-arguments = blogConfig <|> version
+arguments = blogConfig <|> versionP
 
 filePath :: ReadM FilePath
 filePath = eitherReader $ \path ->
@@ -102,4 +104,4 @@ get = do
   execParser $
     info
       (arguments <**> helper)
-      (fullDesc <> header ("Hablo v" ++ showVersion Hablo.version))
+      (fullDesc <> header ("Hablo v" ++ version))

src/Blog/Wording.hs

@@ -12,7 +12,7 @@ import Data.Map (Map)
 import qualified Data.Map as Map (empty, fromList, keys, map, union)
 import Data.Text (Text)
 import qualified Data.Text as Text (pack)
-import Paths_hablo (getDataFileName)
+import Files (getXDGData)
 import Text.ParserCombinators.Parsec (
       Parser
     , (<|>)
@@ -64,6 +64,6 @@ wordingP = Map.map Text.pack . Map.fromList <$>
 
 build :: Arguments -> IO Wording
 build arguments = do
-  defaultWording <- getDataFileName "defaultWording.conf"
+  defaultWording <- getXDGData "defaultWording.conf"
   let wordingFiles = maybe id (:) (wording arguments) $ [defaultWording]
   Wording <$> foldM addWording Map.empty wordingFiles

src/Files.hs

@@ -3,9 +3,12 @@ module Files (
     , absoluteLink
     , filePath
     , find
+    , getXDGData
   ) where
 
-import System.Directory (doesDirectoryExist, doesFileExist, listDirectory)
+import System.Directory (doesDirectoryExist, doesFileExist, doesPathExist, listDirectory)
+import System.Environment.XDG.BaseDir (getAllDataDirs)
+import System.Exit (die)
 import System.FilePath ((</>))
 
 data File = File FilePath | Dir FilePath
@@ -30,3 +33,14 @@ find path =
   filePath (Dir path) >>= emptyIfMissing (fmap ((path </>) <$>) . listDirectory)
   where
     emptyIfMissing = either (\_ -> return [])
+
+getXDGData :: FilePath -> IO FilePath
+getXDGData resource = getAllDataDirs relativePath >>= findFirst
+  where
+    relativePath = "hablo" </> resource
+    findFirst [] = die ("Install is broken: "
+                       <> relativePath
+                       <> " directory wasn't found in any of $XDG_DATA_DIRS")
+    findFirst (path:paths) = do
+      fileExists <- doesPathExist path
+      if fileExists then pure path else findFirst paths

src/JS.hs

@@ -13,8 +13,8 @@ import Data.ByteString.Lazy (
   )
 import Data.ByteString.Lazy.Char8 (pack)
 import Data.Text.Encoding (encodeUtf8)
+import Files (getXDGData)
 import JSON (exportBlog)
-import Paths_hablo (getDataDir)
 import Pretty ((.$))
 import SJW (compile, source)
 import System.Directory (createDirectoryIfMissing)
@@ -44,7 +44,7 @@ generateConfig destinationDir = do
 
 generateMain :: FilePath -> IO ()
 generateMain destinationDir = do
-  habloSources <- (</> "js") <$> getDataDir
+  habloSources <- getXDGData "js"
   compile (source [destinationDir, "unitJS", habloSources])
     >>= either abort (output . fst)
   where

src/Main.hs

@@ -1,13 +1,11 @@
 module Main where
 
-import Arguments (Arguments(..))
+import Arguments (Arguments(..), version)
 import qualified Arguments (get)
 import qualified Blog (build)
 import Control.Monad.Reader (runReaderT)
-import Data.Version (showVersion)
 import qualified HTML (generate)
 import qualified JS (generate)
-import qualified Paths_hablo as Hablo (version)
 import qualified RSS (generate)
 import System.Exit (exitSuccess)
 
@@ -15,7 +13,7 @@ main :: IO ()
 main = do
   arguments <- Arguments.get
   case arguments of
-    Version -> (putStrLn $ showVersion Hablo.version) >> exitSuccess
+    Version -> (putStrLn version) >> exitSuccess
     config@(BlogConfig {}) -> Blog.build config >>= runReaderT (do
         HTML.generate
         JS.generate