diff --git a/LICENSE b/LICENSE
new file mode 100644
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,24 @@
+Copyright (c) 2017 Gabriel Gonzalez
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+    * Redistributions of source code must retain the above copyright notice,
+      this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright notice,
+      this list of conditions and the following disclaimer in the documentation
+      and/or other materials provided with the distribution.
+    * Neither the name of Gabriel Gonzalez nor the names of other contributors
+      may be used to endorse or promote products derived from this software
+      without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/Setup.hs b/Setup.hs
new file mode 100644
--- /dev/null
+++ b/Setup.hs
@@ -0,0 +1,2 @@
+import Distribution.Simple
+main = defaultMain
diff --git a/bench/Main.hs b/bench/Main.hs
new file mode 100644
--- /dev/null
+++ b/bench/Main.hs
@@ -0,0 +1,23 @@
+import Criterion (Benchmark)
+
+import qualified Criterion
+import qualified Criterion.Main
+import qualified Data.Attoparsec.Text.Lazy
+import qualified Data.Text.Lazy.IO
+import qualified Nix.Derivation
+
+main :: IO ()
+main = Criterion.Main.defaultMain benchmarks
+
+benchmarks :: [Benchmark]
+benchmarks =
+    [ Criterion.Main.env
+        (Data.Text.Lazy.IO.readFile "tests/example1.drv")
+        bench0
+    ]
+  where
+    bench0 example =
+        Criterion.bench "example" (Criterion.nf parseExample example)
+
+    parseExample =
+        Data.Attoparsec.Text.Lazy.parse Nix.Derivation.parseDerivation
diff --git a/nix-derivation.cabal b/nix-derivation.cabal
new file mode 100644
--- /dev/null
+++ b/nix-derivation.cabal
@@ -0,0 +1,78 @@
+Name: nix-derivation
+Version: 1.0.0
+Cabal-Version: >=1.8.0.2
+Build-Type: Simple
+Tested-With: GHC == 7.8.4, GHC == 7.10.3, GHC == 8.0.2
+License: BSD3
+License-File: LICENSE
+Copyright: 2017 Gabriel Gonzalez
+Author: Gabriel Gonzalez
+Maintainer: Gabriel439@gmail.com
+Bug-Reports: https://github.com/Gabriel439/Haskell-Nix-Derivation-Library/issues
+Synopsis: Parse and render *.drv files
+Description:
+    Use this package to parse and render Nix derivation files (i.e. *.drv files)
+Category: System
+Extra-Source-Files:
+    tests/example0.drv
+    tests/example1.drv
+Source-Repository head
+    Type: git
+    Location: https://github.com/Gabriel439/Haskell-Nix-Derivation-Library
+
+Library
+    Hs-Source-Dirs: src
+    Build-Depends:
+        base            >= 4.6.0.0  && < 5   ,
+        attoparsec      >= 0.12.0.0 && < 0.14,
+        containers                     < 0.6 ,
+        deepseq         >= 1.4.0.0  && < 1.5 ,
+        system-filepath >= 0.3.1    && < 0.5 ,
+        text            >= 0.8.0.0  && < 1.3 ,
+        vector                         < 0.13
+    Exposed-Modules:
+        Nix.Derivation
+    Other-Modules:
+        Nix.Derivation.Builder,
+        Nix.Derivation.Parser,
+        Nix.Derivation.Types
+    GHC-Options: -Wall
+
+Test-Suite example
+    Type: exitcode-stdio-1.0
+    Hs-Source-Dirs: tests
+    Main-Is: Example.hs
+    GHC-Options: -Wall
+    Build-Depends:
+        base           >= 4.6.0.0  && < 5   ,
+        attoparsec     >= 0.12.0.0 && < 0.14,
+        nix-derivation                      ,
+        text           >= 0.8.0.0  && < 1.3
+
+Test-Suite property
+    Type: exitcode-stdio-1.0
+    Hs-Source-Dirs: tests
+    Main-Is: Property.hs
+    GHC-Options: -Wall
+    Build-Depends:
+        base            >= 4.6.0.0  && < 5   ,
+        attoparsec      >= 0.12.0.0 && < 0.14,
+        nix-derivation                       ,
+        QuickCheck                     < 2.10,
+        system-filepath >= 0.3.1    && < 0.5 ,
+        text            >= 0.8.0.0  && < 1.3 ,
+        vector                         < 0.13
+
+Benchmark benchmark
+    Default-Language: Haskell2010
+    Type:             exitcode-stdio-1.0
+    HS-Source-Dirs:   bench
+    Main-Is:          Main.hs
+    GHC-Options:      -Wall
+
+    Build-Depends:
+        base            >= 4.6.0.0  && < 5   ,
+        attoparsec      >= 0.12.0.0 && < 0.14,
+        criterion       >= 1.1.4.0  && < 1.3 ,
+        nix-derivation                       ,
+        text            >= 0.8.0.0  && < 1.3
diff --git a/src/Nix/Derivation.hs b/src/Nix/Derivation.hs
new file mode 100644
--- /dev/null
+++ b/src/Nix/Derivation.hs
@@ -0,0 +1,93 @@
+-- | Use this package to parse and render Nix derivations such as those stored
+-- in @\/nix\/store\/*.drv@ files.  For example, if you had the following derivation
+-- saved at
+-- @\/nix\/store\/zzhs4fb83x5ygvjqn5rdpmpnishpdgy6-perl-MIME-Types-2.13.drv@:
+--
+-- > Derive([("devdoc","/nix/store/15x9ii8c3n5wb5lg80cm8x0yk6zy7rha-perl-MIME-Types-2
+-- > .13-devdoc","",""),("out","/nix/store/93d75ghjyibmbxgfzwhh4b5zwsxzs44w-perl-MIME
+-- > -Types-2.13","","")],[("/nix/store/57h2hjsdkdiwbzilcjqkn46138n1xb4a-perl-5.22.3.
+-- > drv",["out"]),("/nix/store/cvdbbvnvg131bz9bwyyk97jpq1crclqr-MIME-Types-2.13.tar.
+-- > gz.drv",["out"]),("/nix/store/p5g31bc5x92awghx9dlm065d7j773l0r-stdenv.drv",["out
+-- > "]),("/nix/store/x50y5qihwsn0lfjhrf1s81b5hgb9w632-bash-4.4-p5.drv",["out"])],["/
+-- > nix/store/cdips4lakfk1qbf1x68fq18wnn3r5r14-builder.sh"],"x86_64-linux","/nix/sto
+-- > re/fi3mbd2ml4pbgzyasrlnp0wyy6qi48fh-bash-4.4-p5/bin/bash",["-e","/nix/store/cdip
+-- > s4lakfk1qbf1x68fq18wnn3r5r14-builder.sh"],[("AUTOMATED_TESTING","1"),("PERL_AUTO
+-- > INSTALL","--skipdeps"),("buildInputs",""),("builder","/nix/store/fi3mbd2ml4pbgzy
+-- > asrlnp0wyy6qi48fh-bash-4.4-p5/bin/bash"),("checkTarget","test"),("devdoc","/nix/
+-- > store/15x9ii8c3n5wb5lg80cm8x0yk6zy7rha-perl-MIME-Types-2.13-devdoc"),("doCheck",
+-- > "1"),("installTargets","pure_install"),("name","perl-MIME-Types-2.13"),("nativeB
+-- > uildInputs","/nix/store/nsa311yg8h93wfaacjk16c96a98bs09f-perl-5.22.3"),("out","/
+-- > nix/store/93d75ghjyibmbxgfzwhh4b5zwsxzs44w-perl-MIME-Types-2.13"),("outputs","ou
+-- > t devdoc"),("propagatedBuildInputs",""),("propagatedNativeBuildInputs",""),("src
+-- > ","/nix/store/5smhymz7viq8p47mc3jgyvqd003ab732-MIME-Types-2.13.tar.gz"),("stdenv
+-- > ","/nix/store/s3rlr45jzlzx0d6k2azlpxa5zwzr7xyy-stdenv"),("system","x86_64-linux"
+-- > )])
+--
+-- ... you could parse that derivation using:
+--
+-- >>> text <- Data.Text.Lazy.IO.readFile "/nix/store/zzhs4fb83x5ygvjqn5rdpmpnishpdgy6-perl-MIME-Types-2.13.drv"
+-- >>> let result = Data.Attoparsec.Text.Lazy.parse Nix.Derivation.parseDerivation text
+-- >>> result
+-- Done "" (Derivation {outputs = fromList [("devdoc",DerivationOutput {path = File
+-- Path "/nix/store/15x9ii8c3n5wb5lg80cm8x0yk6zy7rha-perl-MIME-Types-2.13-devdoc", 
+-- hashAlgo = "", hash = ""}),("out",DerivationOutput {path = FilePath "/nix/store/
+-- 93d75ghjyibmbxgfzwhh4b5zwsxzs44w-perl-MIME-Types-2.13", hashAlgo = "", hash = ""
+-- })], inputDrvs = fromList [(FilePath "/nix/store/57h2hjsdkdiwbzilcjqkn46138n1xb4
+-- a-perl-5.22.3.drv",fromList ["out"]),(FilePath "/nix/store/cvdbbvnvg131bz9bwyyk9
+-- 7jpq1crclqr-MIME-Types-2.13.tar.gz.drv",fromList ["out"]),(FilePath "/nix/store/
+-- p5g31bc5x92awghx9dlm065d7j773l0r-stdenv.drv",fromList ["out"]),(FilePath "/nix/s
+-- tore/x50y5qihwsn0lfjhrf1s81b5hgb9w632-bash-4.4-p5.drv",fromList ["out"])], input
+-- Srcs = fromList [FilePath "/nix/store/cdips4lakfk1qbf1x68fq18wnn3r5r14-builder.s
+-- h"], platform = "x86_64-linux", builder = FilePath "/nix/store/fi3mbd2ml4pbgzyas
+-- rlnp0wyy6qi48fh-bash-4.4-p5/bin/bash", args = ["-e","/nix/store/cdips4lakfk1qbf1
+-- x68fq18wnn3r5r14-builder.sh"], env = fromList [("AUTOMATED_TESTING","1"),("PERL_
+-- AUTOINSTALL","--skipdeps"),("buildInputs",""),("builder","/nix/store/fi3mbd2ml4p
+-- bgzyasrlnp0wyy6qi48fh-bash-4.4-p5/bin/bash"),("checkTarget","test"),("devdoc","/
+-- nix/store/15x9ii8c3n5wb5lg80cm8x0yk6zy7rha-perl-MIME-Types-2.13-devdoc"),("doChe
+-- ck","1"),("installTargets","pure_install"),("name","perl-MIME-Types-2.13"),("nat
+-- iveBuildInputs","/nix/store/nsa311yg8h93wfaacjk16c96a98bs09f-perl-5.22.3"),("out
+-- ","/nix/store/93d75ghjyibmbxgfzwhh4b5zwsxzs44w-perl-MIME-Types-2.13"),("outputs"
+-- ,"out devdoc"),("propagatedBuildInputs",""),("propagatedNativeBuildInputs",""),(
+-- "src","/nix/store/5smhymz7viq8p47mc3jgyvqd003ab732-MIME-Types-2.13.tar.gz"),("st
+-- denv","/nix/store/s3rlr45jzlzx0d6k2azlpxa5zwzr7xyy-stdenv"),("system","x86_64-li
+-- nux")]})
+--
+-- ... and render the result back to the original derivation:
+--
+-- >>> fmap buildDerivation result
+-- Done "" "Derive([(\"devdoc\",\"/nix/store/15x9ii8c3n5wb5lg80cm8x0yk6zy7rha-perl-
+-- MIME-Types-2.13-devdoc\",\"\",\"\"),(\"out\",\"/nix/store/93d75ghjyibmbxgfzwhh4b
+-- 5zwsxzs44w-perl-MIME-Types-2.13\",\"\",\"\")],[(\"/nix/store/57h2hjsdkdiwbzilcjq
+-- kn46138n1xb4a-perl-5.22.3.drv\",[\"out\"]),(\"/nix/store/cvdbbvnvg131bz9bwyyk97j
+-- pq1crclqr-MIME-Types-2.13.tar.gz.drv\",[\"out\"]),(\"/nix/store/p5g31bc5x92awghx
+-- 9dlm065d7j773l0r-stdenv.drv\",[\"out\"]),(\"/nix/store/x50y5qihwsn0lfjhrf1s81b5h
+-- gb9w632-bash-4.4-p5.drv\",[\"out\"])],[\"/nix/store/cdips4lakfk1qbf1x68fq18wnn3r
+-- 5r14-builder.sh\"],\"x86_64-linux\",\"/nix/store/fi3mbd2ml4pbgzyasrlnp0wyy6qi48f
+-- h-bash-4.4-p5/bin/bash\",[\"-e\",\"/nix/store/cdips4lakfk1qbf1x68fq18wnn3r5r14-b
+-- uilder.sh\"],[(\"AUTOMATED_TESTING\",\"1\"),(\"PERL_AUTOINSTALL\",\"--skipdeps\"
+-- ),(\"buildInputs\",\"\"),(\"builder\",\"/nix/store/fi3mbd2ml4pbgzyasrlnp0wyy6qi4
+-- 8fh-bash-4.4-p5/bin/bash\"),(\"checkTarget\",\"test\"),(\"devdoc\",\"/nix/store/
+-- 15x9ii8c3n5wb5lg80cm8x0yk6zy7rha-perl-MIME-Types-2.13-devdoc\"),(\"doCheck\",\"1
+-- \"),(\"installTargets\",\"pure_install\"),(\"name\",\"perl-MIME-Types-2.13\"),(\
+-- "nativeBuildInputs\",\"/nix/store/nsa311yg8h93wfaacjk16c96a98bs09f-perl-5.22.3\"
+-- ),(\"out\",\"/nix/store/93d75ghjyibmbxgfzwhh4b5zwsxzs44w-perl-MIME-Types-2.13\")
+-- ,(\"outputs\",\"out devdoc\"),(\"propagatedBuildInputs\",\"\"),(\"propagatedNati
+-- veBuildInputs\",\"\"),(\"src\",\"/nix/store/5smhymz7viq8p47mc3jgyvqd003ab732-MIM
+-- E-Types-2.13.tar.gz\"),(\"stdenv\",\"/nix/store/s3rlr45jzlzx0d6k2azlpxa5zwzr7xyy
+-- -stdenv\"),(\"system\",\"x86_64-linux\")])"
+
+module Nix.Derivation
+    ( -- * Types
+      Derivation(..)
+    , DerivationOutput(..)
+
+      -- * Parse derivations
+    , parseDerivation
+
+      -- * Render derivations
+    , buildDerivation
+    ) where
+
+import Nix.Derivation.Builder
+import Nix.Derivation.Parser
+import Nix.Derivation.Types
diff --git a/src/Nix/Derivation/Builder.hs b/src/Nix/Derivation/Builder.hs
new file mode 100644
--- /dev/null
+++ b/src/Nix/Derivation/Builder.hs
@@ -0,0 +1,100 @@
+{-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE RecordWildCards   #-}
+
+-- | Rendering logic
+
+module Nix.Derivation.Builder
+    ( -- * Builder
+      buildDerivation
+    ) where
+
+import Data.Foldable (foldMap)
+import Data.Map (Map)
+import Data.Monoid ((<>))
+import Data.Set (Set)
+import Data.Text (Text)
+import Data.Text.Lazy.Builder (Builder)
+import Data.Vector (Vector)
+import Filesystem.Path.CurrentOS (FilePath)
+import Nix.Derivation.Types (Derivation(..), DerivationOutput(..))
+import Prelude hiding (FilePath)
+
+import qualified Data.Map
+import qualified Data.Set
+import qualified Data.Text
+import qualified Data.Text.Lazy.Builder
+import qualified Data.Vector
+import qualified Filesystem.Path.CurrentOS
+
+-- | Render a derivation as a `Builder`
+buildDerivation :: Derivation -> Builder
+buildDerivation (Derivation {..}) =
+        "Derive("
+    <>  mapOf keyValue0 outputs
+    <>  ","
+    <>  mapOf keyValue1 inputDrvs
+    <>  ","
+    <>  setOf filepath inputSrcs
+    <>  ","
+    <>  string platform
+    <>  ","
+    <>  string builder
+    <>  ","
+    <>  vectorOf string args
+    <>  ","
+    <>  mapOf keyValue2 env
+    <>  ")"
+  where
+    keyValue0 (key, DerivationOutput {..}) =
+            "("
+        <>  string key
+        <>  ","
+        <>  filepath path
+        <>  ","
+        <>  string hashAlgo
+        <>  ","
+        <>  string hash
+        <>  ")"
+
+    keyValue1 (key, value) =
+            "("
+        <>  filepath key
+        <>  ","
+        <>  setOf string value
+        <>  ")"
+
+    keyValue2 (key, value) =
+            "("
+        <>  string key
+        <>  ","
+        <>  string value
+        <>  ")"
+
+mapOf :: ((k, v) -> Builder) -> Map k v -> Builder
+mapOf keyValue m = listOf keyValue (Data.Map.toList m)
+
+listOf :: (a -> Builder) -> [a] -> Builder
+listOf _          []  = "[]"
+listOf element (x:xs) =
+        "[" 
+    <>  element x
+    <>  foldMap rest xs
+    <>  "]"
+  where
+    rest y = "," <> element y
+
+setOf :: (a -> Builder) -> Set a -> Builder
+setOf element xs = listOf element (Data.Set.toList xs)
+
+vectorOf :: (a -> Builder) -> Vector a -> Builder
+vectorOf element xs = listOf element (Data.Vector.toList xs)
+
+string :: Text -> Builder
+string = Data.Text.Lazy.Builder.fromText . Data.Text.pack . show
+
+filepath :: FilePath -> Builder
+filepath p = string text
+  where
+    text = case Filesystem.Path.CurrentOS.toText p of
+        Left  t -> t
+        Right t -> t
diff --git a/src/Nix/Derivation/Parser.hs b/src/Nix/Derivation/Parser.hs
new file mode 100644
--- /dev/null
+++ b/src/Nix/Derivation/Parser.hs
@@ -0,0 +1,142 @@
+{-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE RecordWildCards   #-}
+
+{-# OPTIONS_GHC -fno-warn-unused-do-bind #-}
+
+-- | Parsing logic
+
+module Nix.Derivation.Parser
+    ( -- * Parser
+      parseDerivation
+    ) where
+
+import Data.Attoparsec.Text.Lazy (Parser)
+import Data.Map (Map)
+import Data.Monoid ((<>))
+import Data.Set (Set)
+import Data.Text (Text)
+import Data.Vector (Vector)
+import Nix.Derivation.Types (Derivation(..), DerivationOutput(..))
+import Prelude hiding (FilePath)
+import Filesystem.Path.CurrentOS (FilePath)
+
+import qualified Data.Attoparsec.Text.Lazy
+import qualified Data.Map
+import qualified Data.Set
+import qualified Data.Text
+import qualified Data.Text.Lazy
+import qualified Data.Vector
+import qualified Filesystem.Path.CurrentOS
+
+listOf :: Parser a -> Parser [a]
+listOf element = do
+    "["
+    es <- Data.Attoparsec.Text.Lazy.sepBy element ","
+    "]"
+    return es
+
+-- | Parse a derivation
+parseDerivation :: Parser Derivation
+parseDerivation = do
+    "Derive("
+
+    let keyValue0 = do
+            "("
+            key <- string
+            ","
+            path <- filepath
+            ","
+            hashAlgo <- string
+            ","
+            hash <- string
+            ")"
+            return (key, DerivationOutput {..})
+    outputs <- mapOf keyValue0
+
+    ","
+
+    let keyValue1 = do
+            "("
+            key <- filepath
+            ","
+            value <- setOf string
+            ")"
+            return (key, value)
+    inputDrvs <- mapOf keyValue1
+
+    ","
+
+    inputSrcs <- setOf filepath
+
+    ","
+
+    platform <- string
+
+    ","
+
+    builder <- string
+
+    ","
+
+    args <- vectorOf string
+
+    ","
+
+    let keyValue2 = do
+            "("
+            key <- string
+            ","
+            value <- string
+            ")"
+            return (key, value)
+    env <- mapOf keyValue2
+
+    ")"
+
+    return (Derivation {..})
+
+string :: Parser Text
+string = do
+    "\""
+    let predicate c = not (c == '"' || c == '\\')
+    let loop = do
+            text0 <- Data.Attoparsec.Text.Lazy.takeWhile predicate
+            char0 <- Data.Attoparsec.Text.Lazy.anyChar
+            text2 <- case char0 of
+                '"'  -> return ""
+                _    -> do
+                    char1 <- Data.Attoparsec.Text.Lazy.anyChar
+                    char2 <- case char1 of
+                        'n' -> return '\n'
+                        'r' -> return '\r'
+                        't' -> return '\t'
+                        _   -> return char1
+                    text1 <- loop
+                    return (Data.Text.Lazy.cons char2 text1)
+            return (Data.Text.Lazy.fromStrict text0 <> text2)
+    text <- loop
+    return (Data.Text.Lazy.toStrict text)
+
+filepath :: Parser FilePath
+filepath = do
+    text <- string
+    case Data.Text.uncons text of
+        Just ('/', _) -> do
+            return (Filesystem.Path.CurrentOS.fromText text)
+        _ -> do
+            fail ("bad path ‘" <> Data.Text.unpack text <> "’ in derivation")
+
+setOf :: Ord a => Parser a -> Parser (Set a)
+setOf element = do
+    es <- listOf element
+    return (Data.Set.fromList es)
+
+vectorOf :: Parser a -> Parser (Vector a)
+vectorOf element = do
+    es <- listOf element
+    return (Data.Vector.fromList es)
+
+mapOf :: Ord k => Parser (k, v) -> Parser (Map k v)
+mapOf keyValue = do
+    keyValues <- listOf keyValue
+    return (Data.Map.fromList keyValues)
diff --git a/src/Nix/Derivation/Types.hs b/src/Nix/Derivation/Types.hs
new file mode 100644
--- /dev/null
+++ b/src/Nix/Derivation/Types.hs
@@ -0,0 +1,52 @@
+{-# LANGUAGE DeriveGeneric  #-}
+
+-- | Shared types
+
+module Nix.Derivation.Types
+    ( -- * Types
+      Derivation(..)
+    , DerivationOutput(..)
+    ) where
+
+import Control.DeepSeq (NFData)
+import Data.Map (Map)
+import Data.Set (Set)
+import Data.Text (Text)
+import Data.Vector (Vector)
+import Filesystem.Path.CurrentOS (FilePath)
+import GHC.Generics (Generic)
+import Prelude hiding (FilePath)
+
+-- | A Nix derivation
+data Derivation = Derivation
+    { outputs   :: Map Text DerivationOutput
+    -- ^ Outputs produced by this derivation where keys are output names
+    , inputDrvs :: Map FilePath (Set Text)
+    -- ^ Inputs that are derivations where keys specify derivation paths and
+    -- values specify which output names are used by this derivation
+    , inputSrcs :: Set FilePath
+    -- ^ Inputs that are sources
+    , platform  :: Text
+    -- ^ Platform required for this derivation
+    , builder   :: Text
+    -- ^ Code to build the derivation, which can be a path or a builtin function
+    , args      :: Vector Text
+    -- ^ Arguments passed to the executable used to build to derivation
+    , env       :: Map Text Text
+    -- ^ Environment variables provided to the executable used to build the
+    -- derivation
+    } deriving (Eq, Generic, Ord, Show)
+
+instance NFData Derivation
+
+-- | An output of a Nix derivation
+data DerivationOutput = DerivationOutput
+    { path     :: FilePath
+    -- ^ Path where the output will be saved
+    , hashAlgo :: Text
+    -- ^ Hash used for expected hash computation
+    , hash     :: Text
+    -- ^ Expected hash
+    } deriving (Eq, Generic, Ord, Show)
+
+instance NFData DerivationOutput
diff --git a/tests/Example.hs b/tests/Example.hs
new file mode 100644
--- /dev/null
+++ b/tests/Example.hs
@@ -0,0 +1,20 @@
+module Main where
+
+import qualified Nix.Derivation
+import qualified Data.Attoparsec.Text.Lazy
+import qualified Data.Text.Lazy.Builder
+import qualified Data.Text.Lazy.IO
+
+import Data.Attoparsec.Text.Lazy (Result(..))
+
+main :: IO ()
+main = do
+    text0 <- Data.Text.Lazy.IO.readFile "tests/example0.drv"
+    derivation <- case Data.Attoparsec.Text.Lazy.parse Nix.Derivation.parseDerivation text0 of
+        Fail _ _ string   -> fail string
+        Done _ derivation -> return derivation
+    let builder = Nix.Derivation.buildDerivation derivation
+    let text1   = Data.Text.Lazy.Builder.toLazyText builder
+    if text0 == text1
+        then return ()
+        else fail "Parsing and rendering the example derivation does not round-trip"
diff --git a/tests/Property.hs b/tests/Property.hs
new file mode 100644
--- /dev/null
+++ b/tests/Property.hs
@@ -0,0 +1,63 @@
+{-# LANGUAGE RecordWildCards #-}
+
+{-# OPTIONS_GHC -fno-warn-orphans #-}
+
+module Main where
+
+import Data.Text (Text)
+import Data.Vector (Vector)
+import Filesystem.Path.CurrentOS (FilePath)
+import Nix.Derivation (Derivation(..), DerivationOutput(..))
+import Prelude hiding (FilePath, either)
+import Test.QuickCheck (Arbitrary(..))
+
+import qualified Data.Attoparsec.Text.Lazy
+import qualified Data.Text
+import qualified Data.Text.Lazy.Builder
+import qualified Data.Vector
+import qualified Filesystem.Path.CurrentOS
+import qualified Nix.Derivation
+import qualified Test.QuickCheck
+
+instance Arbitrary Text where
+    arbitrary = fmap Data.Text.pack arbitrary
+
+instance Arbitrary FilePath where
+    arbitrary = fmap Filesystem.Path.CurrentOS.decodeString arbitrary
+
+instance Arbitrary a => Arbitrary (Vector a) where
+    arbitrary = fmap Data.Vector.fromList arbitrary
+
+instance Arbitrary DerivationOutput where
+    arbitrary = do
+        path     <- arbitrary
+        hashAlgo <- arbitrary
+        hash     <- arbitrary
+        return (DerivationOutput {..})
+
+instance Arbitrary Derivation where
+    arbitrary = do
+        outputs   <- arbitrary
+        inputDrvs <- arbitrary
+        inputSrcs <- arbitrary
+        platform  <- arbitrary
+        builder   <- arbitrary
+        args      <- arbitrary
+        env       <- arbitrary
+        return (Derivation {..})
+
+property :: Derivation -> Bool
+property derivation0 = either == Right derivation0
+  where
+    builder = Nix.Derivation.buildDerivation derivation0
+
+    text = Data.Text.Lazy.Builder.toLazyText builder
+
+    result =
+        Data.Attoparsec.Text.Lazy.parse Nix.Derivation.parseDerivation text
+
+    either =
+        Data.Attoparsec.Text.Lazy.eitherResult result
+
+main :: IO ()
+main = Test.QuickCheck.quickCheck property
diff --git a/tests/example0.drv b/tests/example0.drv
new file mode 100644
--- /dev/null
+++ b/tests/example0.drv
@@ -0,0 +1,1 @@
+Derive([("devdoc","/nix/store/15x9ii8c3n5wb5lg80cm8x0yk6zy7rha-perl-MIME-Types-2.13-devdoc","",""),("out","/nix/store/93d75ghjyibmbxgfzwhh4b5zwsxzs44w-perl-MIME-Types-2.13","","")],[("/nix/store/57h2hjsdkdiwbzilcjqkn46138n1xb4a-perl-5.22.3.drv",["out"]),("/nix/store/cvdbbvnvg131bz9bwyyk97jpq1crclqr-MIME-Types-2.13.tar.gz.drv",["out"]),("/nix/store/p5g31bc5x92awghx9dlm065d7j773l0r-stdenv.drv",["out"]),("/nix/store/x50y5qihwsn0lfjhrf1s81b5hgb9w632-bash-4.4-p5.drv",["out"])],["/nix/store/cdips4lakfk1qbf1x68fq18wnn3r5r14-builder.sh"],"x86_64-linux","/nix/store/fi3mbd2ml4pbgzyasrlnp0wyy6qi48fh-bash-4.4-p5/bin/bash",["-e","/nix/store/cdips4lakfk1qbf1x68fq18wnn3r5r14-builder.sh"],[("AUTOMATED_TESTING","1"),("PERL_AUTOINSTALL","--skipdeps"),("buildInputs",""),("builder","/nix/store/fi3mbd2ml4pbgzyasrlnp0wyy6qi48fh-bash-4.4-p5/bin/bash"),("checkTarget","test"),("devdoc","/nix/store/15x9ii8c3n5wb5lg80cm8x0yk6zy7rha-perl-MIME-Types-2.13-devdoc"),("doCheck","1"),("installTargets","pure_install"),("name","perl-MIME-Types-2.13"),("nativeBuildInputs","/nix/store/nsa311yg8h93wfaacjk16c96a98bs09f-perl-5.22.3"),("out","/nix/store/93d75ghjyibmbxgfzwhh4b5zwsxzs44w-perl-MIME-Types-2.13"),("outputs","out devdoc"),("propagatedBuildInputs",""),("propagatedNativeBuildInputs",""),("src","/nix/store/5smhymz7viq8p47mc3jgyvqd003ab732-MIME-Types-2.13.tar.gz"),("stdenv","/nix/store/s3rlr45jzlzx0d6k2azlpxa5zwzr7xyy-stdenv"),("system","x86_64-linux")])
diff --git a/tests/example1.drv b/tests/example1.drv
new file mode 100644
--- /dev/null
+++ b/tests/example1.drv
@@ -0,0 +1,1 @@
+Derive([("out","/nix/store/w3zbr9zj9mn08hnirn34wsxhry40qi3c-ghc-8.0.2-with-packages","","")],[("/nix/store/0cyv377kjnhjc9j1pb0m530lczqj4ksm-optparse-generic-1.1.5.drv",["out"]),("/nix/store/0w9vy2hmz50j0yhlbj519hnpjbvqhjrj-cookie-0.4.2.1.drv",["out"]),("/nix/store/1b75igh40c9agy3sfyl5n7av4070swvn-old-locale-1.0.0.7.drv",["out"]),("/nix/store/1g2qxhbpk7qjyz8qbami29bn7qmnmgpk-tagged-0.8.5.drv",["out"]),("/nix/store/20m5alpbwyvyhh43aq3prw07g48apdnj-parsers-0.12.4.drv",["out"]),("/nix/store/2bmxgjskcw4vdmcqrw9pc9yjffsqn3i9-byteable-0.1.1.drv",["out"]),("/nix/store/3fji5p4x9j0cb3q3lp8amrj0qak9d471-asn1-encoding-0.9.5.drv",["out"]),("/nix/store/43hyjsydndk7vsdjs94why36s8isn6fw-kan-extensions-5.0.1.drv",["out"]),("/nix/store/4hkya8j2isw660pj6b0q3by85q2wz1zw-free-4.12.4.drv",["out"]),("/nix/store/56l353i7v6i7i5vkk2qx4wi4r6p4xll1-void-0.7.2.drv",["out"]),("/nix/store/5c748d8gmrmg2gy4792a0kzp5bjw8sgr-cereal-0.5.4.0.drv",["out"]),("/nix/store/5d3v9g9jjqznbpxrlgvcyvmqqz2ffpgc-fingertree-0.1.1.0.drv",["out"]),("/nix/store/5hx7hjjrwqa4zjd9ql224aif86ncj764-hook.drv",["out"]),("/nix/store/5rpa05i9i5p3i0a06lhyvgg1nvlwnlfi-unordered-containers-0.2.8.0.drv",["out"]),("/nix/store/5x6d3f9krpqlmzhmk71qf7m97g38hba1-base-prelude-1.0.1.1.drv",["out"]),("/nix/store/61fzrmaxsfc9q4qzsdcrsaqgg05hr6xi-bifunctors-5.4.2.drv",["out"]),("/nix/store/6l4s2nlxc9fq8c3y3j2k2c7af5llx278-hashable-1.2.6.0.drv",["out"]),("/nix/store/6n2kl1fnn66a24ipjm1dxjhhvni1404r-mtl-2.2.1.drv",["out"]),("/nix/store/6qggipw2ra59q6333y25gywllbbcx3p5-hourglass-0.2.10.drv",["out"]),("/nix/store/7545pmiaccgvkxjfvl9cm0qk7y1x96wi-reflection-2.1.2.drv",["out"]),("/nix/store/75iir4x52007r0fq41kwk5cdfvmi02jp-profunctors-5.2.drv",["out"]),("/nix/store/7ah4kd8kbwsfr350wkr0y4i0h6gm7vc8-base64-bytestring-1.0.0.1.drv",["out"]),("/nix/store/7d6yxihb828lgs4199f81k17jh8987z6-lndir-1.0.3.drv",["out"]),("/nix/store/7f6ddryzkw9jckayqs1gdz18njrqd0fq-random-1.1.drv",["out"]),("/nix/store/8p1f0rs49czq74yxlfcimlag9wnbwsc5-http-client-tls-0.3.4.1.drv",["out"]),("/nix/store/9w2n7jqc9ll78r7xj31ckrqcq6g8g8kf-integer-logarithms-1.0.1.drv",["out"]),("/nix/store/a2ar311g8chbi4ila55qzi3dfp9g5zr6-blaze-html-0.8.1.3.drv",["out"]),("/nix/store/ahypsxsxcczsllax40jnccdg5ilps2lq-http-client-0.5.6.1.drv",["out"]),("/nix/store/as62r0pdaq0q76rxz719xy33vqa7xcal-double-conversion-2.0.2.0.drv",["out"]),("/nix/store/b67b65arib97rsl4z5iqz03gf24ymvz5-http-types-0.9.1.drv",["out"]),("/nix/store/bczn7hbvp39aplp70gvmyijdysvkyspg-primitive-0.6.1.0.drv",["out"]),("/nix/store/bwf0a834k4jf5ss2ccribn9w7g2r3j3m-stdenv.drv",["out"]),("/nix/store/ckl2x2vkqj82k4b7c5l8p611g6jmfbsz-zlib-0.6.1.2.drv",["out"]),("/nix/store/clxg57lhlflbjrk6w3fv51fxjnqkk7q4-transformers-compat-0.5.1.4.drv",["out"]),("/nix/store/d1n1p6mdabwkgkc7y6151j37c4kqh1a2-exceptions-0.8.3.drv",["out"]),("/nix/store/dg6n7519y227s9c867wqi2v40cj41zqy-attoparsec-0.13.1.0.drv",["out"]),("/nix/store/f3l740wl94r84fgsiindy88jppcjya6l-text-format-0.3.1.1.drv",["out"]),("/nix/store/f67vqhk71lrab7ncx8fz8bj7iggmm66f-cryptonite-0.21.drv",["out"]),("/nix/store/fdq2dn4gal13xl9jbyk8igvaw5f2x9b5-blaze-builder-0.4.0.2.drv",["out"]),("/nix/store/fr1acpclaljwizrvic520wdf36kmxjwr-blaze-markup-0.7.1.1.drv",["out"]),("/nix/store/fyi4gg70v1lgjz03v07flnmjr8x55mqk-async-2.1.1.1.drv",["out"]),("/nix/store/ginljsxbpxli394mc06gvqkmvddhqwlc-x509-store-1.6.2.drv",["out"]),("/nix/store/gq055a1910w9q6mbb5kf6p6igzg6b5ai-StateVar-1.1.0.4.drv",["out"]),("/nix/store/hhx5xjb6cm5rdkri763669bf6karrnpn-parsec-3.1.11.drv",["out"]),("/nix/store/ip7nh1r7mj4qwgra27x8i6nyz6yd1ggd-prelude-extras-0.4.0.3.drv",["out"]),("/nix/store/iqd84gv7b8dq5kddxyjimaqqlxjpqdzk-vector-0.11.0.0.drv",["out"]),("/nix/store/j24c6d5zv7nim3rkmzzapk6x61lzgizq-charset-0.3.7.1.drv",["out"]),("/nix/store/j6zji0jn6cm8b4i0fmakksk1cp54bhn0-asn1-types-0.3.2.drv",["out"]),("/nix/store/l3wmibr3b1b3a8ql8ypy860209iqbasg-connection-0.2.8.drv",["out"]),("/nix/store/lg64zgciix9644hzkfc02rfbq4qgcrf8-memory-0.14.3.drv",["out"]),("/nix/store/lnxgjiywc89iaby3g0na1sc4hryvnikq-trifecta-1.6.2.1.drv",["out"]),("/nix/store/lvm3zp40qfdqr0v9i27z7dqpdwlxprbl-text-1.2.2.1.drv",["out"]),("/nix/store/m7l8bg4k82snsl759k2mlkjlb8g0352a-foundation-0.0.7.drv",["out"]),("/nix/store/mi1fdfdkc5qc7iq2ry6095ayp9cqn075-x509-system-1.6.4.drv",["out"]),("/nix/store/mpql2q0b6a1m2vkb114f9l2s8dhy09zv-asn1-parse-0.9.4.drv",["out"]),("/nix/store/mq338r0an8lj00g88c6rpylbnmds7fbx-adjunctions-4.3.drv",["out"]),("/nix/store/n4wyn46xw0nw8a3rhqw47xd4h6bgnn5w-lens-4.15.1.drv",["out"]),("/nix/store/nv7frilmipcpylijp492l3hc0s2cmgw6-tls-1.3.10.drv",["out"]),("/nix/store/nwapw7zf014frf49c0b7y5694jyc38hm-streaming-commons-0.1.17.drv",["out"]),("/nix/store/pcg29qa8fm9niixbjy0r7bbp3s4jxk62-neat-interpolation-0.3.2.1.drv",["out"]),("/nix/store/pg609c09rfqzyfn8l4hsc1q2xy50w4p8-semigroupoids-5.1.drv",["out"]),("/nix/store/pra6ynwnksgks1xxv2l7h48swjq4vb2j-data-default-class-0.1.2.0.drv",["out"]),("/nix/store/pz3s86hbxvwr7m4x7cpz5h8z124wgk4x-x509-1.6.5.drv",["out"]),("/nix/store/qi0668xlc3q03n74k1wrqri7ss7bvphk-stm-2.4.4.1.drv",["out"]),("/nix/store/ql8bpbnl7x7ybn3rnsknpkpwvlz7s2nz-distributive-0.5.2.drv",["out"]),("/nix/store/qr8wf0b1lqwxwi6ban2k307jy91bj640-reducers-3.12.1.drv",["out"]),("/nix/store/r44a3jm3q5rhi75rl1m6jr1vgwpiyw02-hnix-0.3.4.drv",["out"]),("/nix/store/rqcq6jigs1sj53f8wrbff3s06wzazfqw-comonad-5.0.1.drv",["out"]),("/nix/store/s1ymda8d763cn5gq4cw107h19xs1ddz0-ansi-wl-pprint-0.6.7.3.drv",["out"]),("/nix/store/sdx411558r03fdvfi3p6wzfsi701sv4w-system-fileio-0.3.16.3.drv",["out"]),("/nix/store/v0srwl68sz6dirasq53bd3ddjipa1d5b-deriving-compat-0.3.6.drv",["out"]),("/nix/store/vpqjk2wral953nnqnhvp8zbmkbhnyxls-x509-validation-1.6.5.drv",["out"]),("/nix/store/vr8scnq8lxgc0m6k7bqjwi4fg0k55lxn-data-fix-0.0.4.drv",["out"]),("/nix/store/vwhic7ibwkzqk65mqicb29d5qz06gkns-socks-0.5.5.drv",["out"]),("/nix/store/w6a3c55nhmpcia6cvdg31nqsc7v910lc-ansi-terminal-0.6.2.3.drv",["out"]),("/nix/store/wdgbs33iwqadfmlaymw00k6iwnf3as7z-mime-types-0.1.0.7.drv",["out"]),("/nix/store/wld7wjy6lws02rky68mpg0x591wv0j6v-pem-0.2.2.drv",["out"]),("/nix/store/wx9vx1z55bzkzym0lzbgpzd7rrsx9w9b-scientific-0.3.4.12.drv",["out"]),("/nix/store/x2dkgpklc1adq1cgg1k8ykdqv7ghwhzm-system-filepath-0.4.13.4.drv",["out"]),("/nix/store/x50y5qihwsn0lfjhrf1s81b5hgb9w632-bash-4.4-p5.drv",["out"]),("/nix/store/x8k0rsb1ig82vdls0dc6jdlny7r04izj-parallel-3.2.1.1.drv",["out"]),("/nix/store/xbygsq84395vhj7bnh7786i9864jf9i9-ghc-8.0.2.drv",["out"]),("/nix/store/xp7jayhmiphx0zqxx9dxrk673shhj89l-optparse-applicative-0.13.2.0.drv",["out"]),("/nix/store/xzda3rxckhf0h3lp1hr6wanyig9s9y1p-utf8-string-1.0.1.1.drv",["out"]),("/nix/store/y4ll9c29g76jzycl7zhdmqzxgciyrfr1-case-insensitive-1.2.0.9.drv",["out"]),("/nix/store/y8l0lv08hfi6qnrzd25dxgi4712yjf9f-base-orphans-0.5.4.drv",["out"]),("/nix/store/z036z61lsrk2gqbwljix0akzhz2bgl8j-semigroups-0.18.2.drv",["out"]),("/nix/store/z8vpk1rwkikc8pg20vyg5kvsdv626ksw-dhall-1.3.0.drv",["out"]),("/nix/store/zdx2r8q401h7xcyh7jg0cnp092iwlhmv-contravariant-1.4.drv",["out"]),("/nix/store/zg5as9jrs5vfa5iw7539vihmwm436g1q-network-uri-2.6.1.0.drv",["out"]),("/nix/store/zvxd18a65gwcg3bz7v1rb0h59w9wwi9d-network-2.6.3.1.drv",["out"])],["/nix/store/9krlzvny65gdc8s7kpb6lkx8cd02c25b-default-builder.sh"],"x86_64-linux","/nix/store/fi3mbd2ml4pbgzyasrlnp0wyy6qi48fh-bash-4.4-p5/bin/bash",["-e","/nix/store/9krlzvny65gdc8s7kpb6lkx8cd02c25b-default-builder.sh"],[("allowSubstitutes",""),("buildCommand","mkdir -p $out\nfor i in $paths; do\n  /nix/store/lnai0im3lcpb03arxfi0wx1dm7anf4f8-lndir-1.0.3/bin/lndir $i $out\ndone\n. /nix/store/plmya6mkfvq658ba7z6j6n36r5pdbxk5-hook/nix-support/setup-hook\n\n# wrap compiler executables with correct env variables\n\nfor prg in ghc ghci ghc-8.0.2 ghci-8.0.2; do\n  if [[ -x \"/nix/store/s0hpng652hsn40jy4kjdh1x0jm86dx9l-ghc-8.0.2/bin/$prg\" ]]; then\n    rm -f $out/bin/$prg\n    makeWrapper /nix/store/s0hpng652hsn40jy4kjdh1x0jm86dx9l-ghc-8.0.2/bin/$prg $out/bin/$prg                           \\\n      --add-flags '\"-B$NIX_GHC_LIBDIR\"'                   \\\n      --set \"NIX_GHC\"        \"$out/bin/ghc\"     \\\n      --set \"NIX_GHCPKG\"     \"$out/bin/ghc-pkg\" \\\n      --set \"NIX_GHC_DOCDIR\" \"$out/share/doc/ghc/html\"                  \\\n      --set \"NIX_GHC_LIBDIR\" \"$out/lib/ghc-8.0.2\"                  \\\n      \n  fi\ndone\n\nfor prg in runghc runhaskell; do\n  if [[ -x \"/nix/store/s0hpng652hsn40jy4kjdh1x0jm86dx9l-ghc-8.0.2/bin/$prg\" ]]; then\n    rm -f $out/bin/$prg\n    makeWrapper /nix/store/s0hpng652hsn40jy4kjdh1x0jm86dx9l-ghc-8.0.2/bin/$prg $out/bin/$prg                           \\\n      --add-flags \"-f $out/bin/ghc\"                           \\\n      --set \"NIX_GHC\"        \"$out/bin/ghc\"     \\\n      --set \"NIX_GHCPKG\"     \"$out/bin/ghc-pkg\" \\\n      --set \"NIX_GHC_DOCDIR\" \"$out/share/doc/ghc/html\"                  \\\n      --set \"NIX_GHC_LIBDIR\" \"$out/lib/ghc-8.0.2\"\n  fi\ndone\n\nfor prg in ghc-pkg ghc-pkg-8.0.2; do\n  if [[ -x \"/nix/store/s0hpng652hsn40jy4kjdh1x0jm86dx9l-ghc-8.0.2/bin/$prg\" ]]; then\n    rm -f $out/bin/$prg\n    makeWrapper /nix/store/s0hpng652hsn40jy4kjdh1x0jm86dx9l-ghc-8.0.2/bin/$prg $out/bin/$prg --add-flags \"--global-package-db=$out/lib/ghc-8.0.2/package.conf.d\"\n  fi\ndone\n$out/bin/ghc-pkg recache\n\n$out/bin/ghc-pkg check\n\n"),("buildInputs",""),("builder","/nix/store/fi3mbd2ml4pbgzyasrlnp0wyy6qi48fh-bash-4.4-p5/bin/bash"),("extraOutputsToInstall","out 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