1 files changed, 19 insertions, 0 deletions
diff --git a/src/Hakyll/Util.hs b/src/Hakyll/Util.hs
new file mode 100644
index 0000000..edbdb16
--- /dev/null
+++ b/src/Hakyll/Util.hs
@@ -0,0 +1,19 @@
+module Hakyll.Util
+    ( dropParentRoute
+    , modifyDirRoute
+    , modifyDirRoute_
+    ) where
+
+import Prolog
+import Hakyll
+import System.FilePath
+
+-- | Drop some number of parent directories
+dropParentRoute :: Int -> Routes
+dropParentRoute n = modifyDirRoute_ $ drop n
+
+modifyDirRoute :: ([FilePath] -> FilePath) -> Routes
+modifyDirRoute f = customRoute $ f . splitDirectories . toFilePath
+
+modifyDirRoute_ :: ([FilePath] -> [FilePath]) -> Routes
+modifyDirRoute_ f = modifyDirRoute $ joinPath . f