cake (empty) → 0.0.1
raw patch · 6 files changed
+624/−0 lines, 6 filesdep +Encodedep +basedep +binarysetup-changed
Dependencies added: Encode, base, binary, bytestring, containers, directory, filepath, groom, mtl, process, pureMD5
Files
- Cake.hs +8/−0
- Cake/Core.hs +148/−0
- Cake/Rules.hs +98/−0
- LICENSE +340/−0
- Setup.hs +2/−0
- cake.cabal +28/−0
+ Cake.hs view
@@ -0,0 +1,8 @@+module Cake (module Cake.Core, + module Cake.Rules) where++import Cake.Core+import Cake.Rules++ +
+ Cake/Core.hs view
@@ -0,0 +1,148 @@+module Cake.Core (Pattern, (==>),+ cake,+ query,+ cut,+ promise,+ need, + debug,+ module Control.Applicative,+ Act, + ) where++import "pureMD5" Data.Digest.Pure.MD5+-- import Data.Digest.OpenSSL.MD5 -- "nano-md5" -- md5sum++import qualified Data.ByteString.Lazy as B+import System.Directory+import System.FilePath+import Control.Applicative+import Control.Monad (when)+import Control.Monad.RWS+import qualified Parsek+import Parsek (completeResults, parse, Parser)+import qualified Data.Map as M+import Data.Binary hiding (put,get)+import Text.Groom+import qualified System.Process as P+import System.Exit++instance Applicative P where+ (<*>) = ap+ pure = return++instance Alternative P where+ (<|>) = (Parsek.<|>)+ empty = Parsek.pzero+++type Pattern = P String++type P = Parser Char+type Rule = P (Act ())++data Status = Clean | Dirty + deriving Eq+ + +(==>) :: Pattern -> (String -> Act a) -> Rule+p ==> a = (\s -> do a s;return ()) <$> p++newtype LocalR = LocalR {fromLocalR :: P (Act ())}+++cakeFile = ".cake"++cake :: [FilePath] -> Rule -> IO ()+cake targets rule = do+ e <- doesFileExist cakeFile + oldDB <- if e + then decodeFile cakeFile+ else return $ M.empty+ newDB <- runAct rule oldDB $ mapM_ need targets+ putStrLn $ "Database is:"+ putStrLn (groom newDB)+ encodeFile cakeFile newDB+++newtype Question = Stamp FilePath deriving (Eq, Ord, Binary, Show)++newtype Answer = Stamp' (Maybe MD5Digest) deriving (Eq, Binary, Show)+ +type DB = M.Map Question Answer+ +promise :: FilePath -> Act () -> Act () +promise f a = shielded $ do+ e0 <- liftIO $ doesFileExist f+ when (not e0) $ put Dirty -- force rebuilding if the target is missing.+ a+ e <- liftIO $ doesFileExist f+ when (not e) $ fail $ "Action failed to create " ++ f++-- Assume that the context is clean; that is, the construction of the+-- argument actually does not depend on the previous questions asked.+-- NOTE: This can be used only when the purpose of the argument (why+-- we call it) is known; and then the dirty flag must be set if the+-- produced object is not present.+shielded = withRWST (\r _ -> (r,Clean))+++runAct r db act = do + (_a,db) <- evalRWST act (LocalR r,db) Clean + return db ++findRule :: FilePath -> Act (Maybe (Act ()))+findRule f = do+ (LocalR r,_) <- ask+ let rs = parse r completeResults f+ case rs of+ Right [x] -> return (Just x)+ Right _ -> fail $ "More than one rule for file " ++ f+ Left e -> do + debug $ "No rule for file: " ++ f+ -- debug $ "Parser says: " ++ show e+ return Nothing+ + + +-- runAct :: Act () -> RWST (Rule,DB) DB Status IO+type Act = RWST (LocalR,DB) DB Status IO+runAct :: Rule -> DB -> Act () -> IO DB+ +debug x = liftIO $ putStrLn $ "Info: " ++ x + +runQuery :: Question -> IO Answer +runQuery (Stamp f) = do+ e <- doesFileExist f+ Stamp' <$> if e + then Just <$> md5 <$> B.readFile f+ else return Nothing++query :: Question -> Act Answer+query q = do+ a <- liftIO $ runQuery q+ tell (M.singleton q a)+ (_,db) <- ask+ let a0 = M.lookup q db+ when (a0 /= Just a) $ do+ debug $ "Question has not the same answer: " ++ show q+ put Dirty+ return $ a+ +cut x = do+ d <- get+ case d of+ Clean -> debug $ "Clean state; skipping."+ Dirty -> x++need :: FilePath -> Act ()+need f = do+ debug $ "Need: " ++ f+ r <- findRule f+ case r of + Nothing -> do + e <- liftIO $ doesFileExist f+ when (not e) $ fail $ "No rule to create " ++ f+ debug $ "File exists: " ++ f+ Just a -> promise f a+ query (Stamp f)+ return ()
+ Cake/Rules.hs view
@@ -0,0 +1,98 @@+module Cake.Rules where++import Cake.Core+import qualified Parsek+import System.Directory+import System.FilePath+import Control.Applicative+import Control.Monad (when)+import Control.Monad.RWS+import qualified Parsek+import Parsek (completeResults, parse, Parser)+import qualified Data.Map as M+import Data.Binary hiding (put,get)+import Text.Groom+import qualified System.Process as P+import System.Exit+import Data.List+++-- Helpers+quote :: String -> String+quote = show++-- Patterns+extension :: String -> Pattern+extension s = Parsek.many Parsek.anyChar <* Parsek.string s++-- Actions+copy :: FilePath -> FilePath -> Act()+copy from to = promise to $ needing [from] $ do+ mkdir $ takeDirectory to+ liftIO $ copyFile from to++system' :: [String] -> Act ExitCode+system' xs = do + debug $ "Running: " ++ (intercalate " " xs)+ liftIO $ P.system (intercalate " " $ map quote xs)++succeed :: Act ExitCode -> Act ()+succeed act = do+ code <- act+ when (code /= ExitSuccess) $ fail "Command returned non-zero exitcode."++mkdir :: FilePath -> Act () +mkdir d = liftIO $ createDirectoryIfMissing True d+ +system xs = succeed $ system' xs++touch :: FilePath -> Act ()+touch x = do+ system ["touch",x]+ +readFile :: FilePath -> Act String+readFile x = do+ need x+ liftIO $ Prelude.readFile x+ ++{-+mpostDeriv = extension "-delayed.mp" ==> \s -> do+ let input = s ++ ".mp"+ need input+ rm (s ++ "-delayed.mp")+ mpost input+ mpost input+ -}++needing :: [FilePath] -> Act () -> Act ()+needing xs act = do+ mapM_ need xs+ cut act+ +-- Rules++simple outExt inExt f = extension outExt ==> \s -> do+ let input = s ++ inExt+ output = s ++ outExt+ needing [input] $ f output input+ ++tex_markdown_standalone = simple ".tex" ".markdown" $ \o i -> + system ["pandoc","--tab-stop=2","--standalone","-f","markdown","-t","latex", + "-o", o, i]+ +pdf_tex = simple ".pdf" ".tex" $ \o i -> + system ["latexmk","-pdf",i]++{-+pdf_tex2 = extension ".pdf" $ \c -> do+ let input = extension ".tex"+ ls <- filter ("\\bibliography" `isPrefixOf`) lines <$> readFile input+ cut $ do+ case ls of+ [] -> return ()+ (l:_) -> do let l' = reverse . dropWhile (== '}') . dropWhile . reverse . dropWhile (== '{') $ l+ bibs = spli+-}+allRules = tex_markdown_standalone <|> pdf_tex
+ LICENSE view
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+ Setup.hs view
@@ -0,0 +1,2 @@+import Distribution.Simple+main = defaultMain
+ cake.cabal view
@@ -0,0 +1,28 @@+name: cake+version: 0.0.1+category: Development+synopsis: A build-system library+description:+ Soon to appear.+license: GPL+license-file: LICENSE+author: Jean-Philippe Bernardy+maintainer: jeanphilippe.bernardy@gmail.com+Cabal-Version: >= 1.8+tested-with: GHC==6.12.1+build-type: Simple++library+ extensions: PackageImports, GeneralizedNewtypeDeriving, TypeSynonymInstances+ build-depends: base==4.*+ build-depends: mtl==2.0.*+ build-depends: filepath==1.1.* + build-depends: process==1.0.*+ build-depends: groom==0.1.*+ build-depends: binary==0.5.*+ build-depends: containers==0.3.*+ build-depends: directory==1.0.*+ build-depends: Encode==1.3.*+ build-depends: bytestring==0.9.*+ build-depends: pureMD5==2.1.*+ exposed-modules: Cake, Cake.Core, Cake.Rules