diff --git a/LICENSE b/LICENSE
new file mode 100644
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,20 @@
+Copyright (C) 2016 Swift Navigation Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/Shakefile.hs b/Shakefile.hs
--- a/Shakefile.hs
+++ b/Shakefile.hs
@@ -14,25 +14,26 @@
 -- | Main entry point.
 --
 main :: IO ()
-main =
-  shakeMain $ do
-    let pats =
-          [ "stack.yaml"
-          , "Shakefile.hs"
-          , "src//*.hs"
-          ]
+main = shakeMain $ do
+  let pats =
+        [ "stack.yaml"
+        , "Shakefile.hs"
+        , "src//*.hs"
+        ]
 
-    -- | Cabal rules.
-    --
-    cabalRules "shakers.cabal"
+  -- | Cabal rules.
+  --
+  cabalRules "shakers.cabal"
 
-    -- | Stack rules.
-    --
-    stackRules pats
+  -- | Stack rules.
+  --
+  stackRules pats
 
-    -- | sanity
-    --
-    fake' pats "sanity" $ const $
-      need [ "lint", fakeFile "build-error" ]
+  -- | sanity
+  --
+  fake' pats "sanity" $ const $
+    need [ "lint", fakeFile "build-error" ]
 
-    want [ "build-error", "lint", "format" ]
+  -- | Default things to run.
+  --
+  want [ "build-error", "lint", "format" ]
diff --git a/shakers.cabal b/shakers.cabal
--- a/shakers.cabal
+++ b/shakers.cabal
@@ -1,8 +1,10 @@
 name:                  shakers
-version:               0.0.0
+version:               0.0.2
 synopsis:              Shake helpers.
+description:           Primitive helpers for Shake files.
 homepage:              https://github.com/swift-nav/shakers
 license:               MIT
+license-file:          LICENSE
 author:                Swift Navigation Inc.
 maintainer:            Mark Fine <dev@swiftnav.com>
 copyright:             Copyright (C) 2016 Swift Navigation, Inc.
diff --git a/src/Development/Shakers.hs b/src/Development/Shakers.hs
--- a/src/Development/Shakers.hs
+++ b/src/Development/Shakers.hs
@@ -143,10 +143,11 @@
 preprocess :: FilePath -> Action [(String, String)] -> Rules ()
 preprocess file macros =
   file %> \out -> do
-    need [ file <.> "m4" ]
+    let template = file <.> "m4"
+    need [ template ]
     let f k v = "-D" <> k <> "=" <> v
     macros' <- macros
-    content <- m4 $ file : (uncurry f <$> macros')
+    content <- m4 $ template : (uncurry f <$> macros')
     writeFileChanged out content
 
 -- | Haskell source rules
@@ -173,8 +174,8 @@
   -- | clear
   --
   phony "clear" $
-    forM_ [ fakeDir, metaDir ] $ \dir ->
-      removeFilesAfter dir [ "//*" ]
+    forM_ [ fakeDir, metaDir ] $
+      flip removeFilesAfter [ "//*" ]
 
   -- | clean
   --
@@ -185,8 +186,8 @@
   -- | clobber
   --
   phony "clobber" $
-    forM_ [ buildDir, stackDir ] $ \dir ->
-      removeFilesAfter dir [ "//*" ]
+    forM_ [ buildDir, stackDir ] $
+      flip removeFilesAfter [ "//*" ]
 
 -- | Stack rules.
 --