-- | 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