Compile example grammars during the build phase instead of the install phase

This allows more errors to be detected by the build bot.
TODO: fix the gf --output-dir flag, which does not seem to change where PGF
file are put.

Setup.hs

@@ -24,7 +24,7 @@ tryIOE = E.try
 
 main :: IO ()
 main = defaultMainWithHooks simpleUserHooks{ preBuild =gfPreBuild
-                                           , postBuild=buildRGL
+                                           , postBuild=gfPostBuild
                                            , preInst  =gfPreInst
                                            , postInst =gfPostInst
                                            , preCopy  =const . checkRGLArgs
@@ -41,6 +41,11 @@ main = defaultMainWithHooks simpleUserHooks{ preBuild =gfPreBuild
          extractDarcsVersion distFlag
          return h
 
+    gfPostBuild args flags pkg lbi =
+      do buildRGL args flags pkg lbi
+         let gf = default_gf pkg lbi
+         buildWeb gf args flags pkg lbi
+
     gfPostInst args flags pkg lbi =
       do installRGL args flags pkg lbi
          let gf = default_gf pkg lbi

WebSetup.hs

@@ -1,4 +1,4 @@
-module WebSetup(installWeb,copyWeb) where
+module WebSetup(buildWeb,installWeb,copyWeb) where
 
 import System.Directory(createDirectoryIfMissing,copyFile,removeFile)
 import System.FilePath((</>))
@@ -15,27 +15,41 @@ import Distribution.Simple.LocalBuildInfo(datadir,buildDir,absoluteInstallDirs)
    Chrome). The example grammars listed below will be available in the minibar.
 -}
 
-example_grammars =  -- :: [(pgf, tmp, src)]
-   [("Foods.pgf","foods",foodsSrc)
+example_grammars =  -- :: [(pgf, subdir, src)]
+   [("Letter.pgf","letter",letterSrc)
+   ,("Foods.pgf","foods",foodsSrc)
    ,("Phrasebook.pgf","phrasebook",phrasebookSrc)
-   ,("Letter.pgf","letter",letterSrc)
    ]
   where
-    foodsDir ="examples"</>"foods"
-  --foodsSrc = foodsDir</>"Foods???.gf" -- doesn't work on Win32
-    foodsSrc = unwords [foodsDir</>"Foods"++lang++".gf"|lang<-foodsLangs]
+  --foodsSrc = "Foods???.gf" -- doesn't work on Win32
+    foodsSrc = ["Foods"++lang++".gf"|lang<-foodsLangs]
     foodsLangs = words "Afr Amh Bul Cat Cze Dut Eng Epo Fin Fre Ger Gle Heb Hin Ice Ita Jpn Lav Mlt Mon Nep Pes Por Ron Spa Swe Tha Tsn Tur Urd"
 
-    phrasebookDir ="examples"</>"phrasebook"
-  --phrasebookSrc = phrasebookDir</>"Phrasebook???.gf" -- doesn't work on Win32
-    phrasebookSrc = unwords [phrasebookDir</>"Phrasebook"++lang++".gf"|lang<-phrasebookLangs]
-    phrasebookLangs = words "Bul Cat Dan Dut Eng Hin Lav Nor Spa Swe Tha" -- only fastish languages
+  --phrasebookSrc = "Phrasebook???.gf" -- doesn't work on Win32
+    phrasebookSrc = ["Phrasebook"++lang++".gf"|lang<-phrasebookLangs]
+    phrasebookLangs = words "Bul Cat Dan Dut Eng Lav Hin Nor Spa Swe Tha" -- only fastish languages
 
-    letterDir = "examples"</>"letter"
-  --letterSrc = letterDir</>"Letter???.gf"
-    letterSrc = unwords [letterDir</>"Letter"++lang++".gf"|lang<-letterLangs]
+  --letterSrc = "Letter???.gf"
+    letterSrc = ["Letter"++lang++".gf"|lang<-letterLangs]
     letterLangs = words "Eng Fin Fre Heb Rus Swe"
 
+buildWeb gf args flags pkg lbi =
+    do putStrLn "buildWeb"
+       mapM_ build_pgf example_grammars
+  where
+    gfo_dir = buildDir lbi </> "examples"
+
+    build_pgf (pgf,subdir,src) =
+      do createDirectoryIfMissing True tmp_dir
+         putStrLn $ "Building "++pgf
+         execute cmd
+      where
+        tmp_dir = gfo_dir</>subdir
+        dir = "examples"</>subdir
+        cmd = gf++" -make -s -optimize-pgf --gfo-dir="++tmp_dir++
+              " --gf-lib-path="++buildDir lbi </> "rgl"++
+           -- " --output-dir="++tmp_dir++  -- has no effect?!
+              " "++unwords [dir</>file|file<-src]
 
 installWeb gf args flags pki lbi = setupWeb gf args dest pki lbi
   where
@@ -48,29 +62,19 @@ copyWeb gf args flags pki lbi = setupWeb gf args dest pki lbi
              Flag d -> d
 
 setupWeb gf args dest pkg lbi =
-    do putStrLn "setupWeb"
-       mapM_ (createDirectoryIfMissing True) [grammars_dir,cloud_dir]
-       mapM_ build_pgf example_grammars
+    do mapM_ (createDirectoryIfMissing True) [grammars_dir,cloud_dir]
+       mapM_ copy_pgf example_grammars
        copyGFLogo
   where
     grammars_dir = www_dir </> "grammars"
     cloud_dir = www_dir </> "tmp" -- hmm
     logo_dir = www_dir </> "Logos"
     www_dir = datadir (absoluteInstallDirs pkg lbi dest) </> "www"
-    gfo_dir = buildDir lbi </> "gfo"
 
-    build_pgf (pgf,tmp,src) =
-      do createDirectoryIfMissing True tmp_dir
-         execute cmd
-         copyFile pgf (grammars_dir</>pgf)
-         putStrLn (grammars_dir</>pgf)
-         removeFile pgf
-      where
-        tmp_dir = gfo_dir</>tmp
-        cmd = gf++" -make -s -optimize-pgf --gfo-dir="++tmp_dir++
-              " --gf-lib-path="++buildDir lbi </> "rgl"++
-           -- " --output-dir="++grammars_dir++  -- has no effect?!
-              " "++src
+    copy_pgf (pgf,subdir,_) =
+      do let dst = grammars_dir</>pgf
+         putStrLn $ "Installing "++dst
+         copyFile pgf dst
 
     gf_logo = "gf0.png"
 
@@ -79,7 +83,7 @@ setupWeb gf args dest pkg lbi =
          copyFile ("doc"</>"Logos"</>gf_logo) (logo_dir</>gf_logo)
 
 execute command =
-  do putStrLn command
+  do --putStrLn command
      e <- system command
      case e of
        ExitSuccess -> return ()