Merge pull request #254 from haskellfoundation/issue/253

Get rid of duplicate projects

Author: david-christiansen

haskell-foundation.cabal

@@ -6,7 +6,7 @@ cabal-version:      2.0
 executable site
   main-is:          site.hs
   build-depends:    base == 4.*
-                  , hakyll ^>= 4.14
+                  , hakyll ^>= 4.14 || ^>= 4.15
                   , monadlist
                   , pandoc >=2.11 && <2.20
                   , text

site.hs

@@ -82,7 +82,7 @@ main = hakyll $ do
         route idRoute
         compile $ do
             sponsors <- buildBoilerplateCtx (Just "Projects")
-            ctx <- projectsCtx . sortOn itemIdentifier <$> loadAll "projects/*.markdown"
+            ctx <- projectsCtx . sortOn itemIdentifier <$> loadAll ("projects/*.markdown" .&&. hasNoVersion)
 
             makeItem ""
                 >>= loadAndApplyTemplate "templates/projects/list.html" ctx