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1 files changed, 47 insertions, 0 deletions

diff --git a/sticks.hs b/sticks.hs
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+{-# LANGUAGE OverloadedStrings #-}
+
+import Hakyll
+
+-- Applies the template specified in a post's metadata, if it exists
+applyMetadataTemplate :: Context String -> Item String -> Compiler (Item String)
+applyMetadataTemplate context item = do
+  field <- getMetadataField (itemIdentifier item) "template"
+  case field of
+    Just path ->
+      let templatePath = "_templates/" ++ path ++ ".html" in
+      loadAndApplyTemplate (fromFilePath templatePath) context item
+    _ -> return item
+
+main :: IO ()
+main = hakyll $ do
+  -- Compile templates for future use
+  match "_templates/*" $ compile templateBodyCompiler
+
+  -- Detect whether HTML files are standalone or in need of a template
+  match ("**.html" .||. "**.htm") $ do
+    route idRoute
+    compile $ do
+      identifier <- getUnderlying
+      field <- getMetadataField identifier "layout"
+      case field of
+        Just _ -> pandocCompiler
+        Nothing -> getResourceBody
+      >>= applyMetadataTemplate defaultContext
+      >>= relativizeUrls
+
+  -- Match all other renderable files and apply their template, if it exists
+  match ("**.md" .||. "**.rst" .||. "**.org" .||. "**.adoc") $ do
+    route $ setExtension "html"
+    compile $ pandocCompiler
+      >>= applyMetadataTemplate defaultContext
+      >>= relativizeUrls
+
+  -- Additionally copy non-HTML files verbatium
+  match ("**.md" .||. "**.rst" .||. "**.org" .||. "**.adoc") $ version "raw" $ do
+    route idRoute
+    compile pandocCompiler
+
+  -- Copy all additional files verbatium
+  match "**" $ do
+    route idRoute
+    compile copyFileCompiler