From 43004293124cd3082ced37c1af5864b735a5768a Mon Sep 17 00:00:00 2001
From: Neil Mitchell <unknown>
Date: Mon, 16 Jun 2008 07:13:48 +0000
Subject: Change Hoogle to take the package name and package version separately

---
 src/Haddock/Backends/Hoogle.hs | 20 ++++++++++++--------
 src/Main.hs                    |  7 +++++--
 2 files changed, 17 insertions(+), 10 deletions(-)

diff --git a/src/Haddock/Backends/Hoogle.hs b/src/Haddock/Backends/Hoogle.hs
index 4c9c7c66..94109d82 100644
--- a/src/Haddock/Backends/Hoogle.hs
+++ b/src/Haddock/Backends/Hoogle.hs
@@ -25,14 +25,18 @@ import Data.Maybe
 import System.FilePath
 
 
-prefix = ["-- Hoogle documentation, generated by Haddock",
-          "-- See Hoogle, http://www.haskell.org/hoogle/"]
-
-
-ppHoogle :: Maybe String -> [Interface] -> FilePath -> IO ()
-ppHoogle maybe_package ifaces odir = do
-    let filename = (fromMaybe "main" maybe_package) <.> "txt"
-        contents = prefix ++ concat [ppModule i | i <- ifaces, OptHide `notElem` ifaceOptions i]
+prefix = ["-- Hoogle documentation, generated by Haddock"
+         ,"-- See Hoogle, http://www.haskell.org/hoogle/"
+         ,""]
+
+
+ppHoogle :: String -> String -> [Interface] -> FilePath -> IO ()
+ppHoogle package version ifaces odir = do
+    let filename = package <.> "txt"
+        contents = prefix ++
+                   ["@package " ++ package] ++
+                   ["@version " ++ version | version /= ""] ++
+                   concat [ppModule i | i <- ifaces, OptHide `notElem` ifaceOptions i]
     writeFile (odir </> filename) (unlines contents)
 
 
diff --git a/src/Main.hs b/src/Main.hs
index 48c92a73..958eda13 100644
--- a/src/Main.hs
+++ b/src/Main.hs
@@ -203,7 +203,10 @@ render flags interfaces installedIfaces = do
     allVisibleIfaces = map toInstalledIface visibleIfaces
                        ++ installedIfaces
     
-    packageStr       = (Just . modulePkgStr . ifaceMod . head) visibleIfaces
+    packageMod       = ifaceMod (head visibleIfaces)
+    packageStr       = Just (modulePkgStr packageMod)
+    (pkgName,pkgVer) = modulePkgInfo packageMod
+
  
   when (Flag_GenIndex `elem` flags) $ do
     ppHtmlIndex odir title packageStr maybe_html_help_format
@@ -228,7 +231,7 @@ render flags interfaces installedIfaces = do
     copyHtmlBits odir libdir css_file
 
   when (Flag_Hoogle `elem` flags) $ do
-    ppHoogle packageStr visibleIfaces odir
+    ppHoogle pkgName pkgVer visibleIfaces odir
 
 -------------------------------------------------------------------------------
 -- Reading and dumping interface files
-- 
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