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{-# LANGUAGE GeneralizedNewtypeDeriving, DeriveDataTypeable, RecordWildCards #-}
import qualified Data.Map as M
import qualified Data.Set as S
import Control.Applicative hiding (many)
import Data.List
import Data.List.Split
import Data.Maybe
import Control.Monad
import Text.Read
import System.Directory.Extra
import System.Exit
import Options.Applicative hiding (many)
import qualified Options.Applicative as O
import Options.Applicative.Types (readerAsk)
import Development.Shake
import Development.Shake.Classes
import Development.Shake.FilePath
import Debian.Relation.Common
import Debian.Control.String
import Debian.Control.Policy
import Text.Parsec hiding (option, oneOf)
import Text.Parsec.String
-- Option parsing
data Conf = Conf
{ distribution :: String
, excludedPackages :: [String]
, targetDir :: FilePath
, jobs :: Int
, schrootName :: String
, shakeVerbosity' :: Verbosity
, targets :: [String]
}
confSpec :: O.Parser Conf
confSpec = Conf
<$> strOption (
long "distribution" <>
metavar "DIST" <>
help "Distribution to build for (passed to sbuild)" <>
showDefault <>
value "unstable"
)
<*> option parseCommaOrSpace (
long "excluded-packages" <>
metavar "PKG,PKG,..." <>
help "comma or space separated list of source package names to ignore" <>
value defaultExcludedPackages <>
showDefaultWith (intercalate ", ")
)
<*> strOption (
long "output" <>
short 'o' <>
metavar "DIR" <>
help "output directory" <>
showDefault <>
value "lab"
)
<*> option parseNat (
long "jobs" <>
short 'j' <>
metavar "INT" <>
help "number of parallel jobs" <>
showDefault <>
value 1
)
<*> strOption (
long "chroot" <>
short 'j' <>
metavar "SCHROOT" <>
help "name of the schroot to use" <>
showDefault <>
value "haskell"
)
<*> option readOption (
long "shake-verbosity" <>
metavar "VERBOSITY" <>
help "verbosity for shake (Silent, Quiet, Normal, Loud, Chatty or Diagnostic)" <>
showDefault <>
value Normal
)
<*> O.many (argument str (metavar "TARGET..."))
parseCommaOrSpace:: ReadM [String]
parseCommaOrSpace = do
s <- readerAsk
return $ split (dropBlanks $ dropDelims $ oneOf ";, ") s
readOption :: Read a => ReadM a
readOption = do
s <- readerAsk
case readMaybe s of
Nothing -> fail $ "Cannot parse " ++ s
Just n -> return n
parseNat :: ReadM Int
parseNat = do
s <- readerAsk
case readMaybe s of
Nothing -> fail "Not a number"
Just n | n < 0 -> fail "I cannot do a negative number of jobs"
| otherwise -> return n
-- dpkg-parsechangelog is slow, so here is a quick hack
-- TODO: Ensure this is not run unnecessarily often
versionOfSource :: String -> Action String
versionOfSource s = do
let f = "p" </> s </> "debian" </> "changelog"
need [f]
ret <- liftIO $ parseFromFile p f
case ret of
Left e -> fail (show e)
Right s -> return s
where
p = do
many $ noneOf "("
char '('
v <- many1 $ noneOf ")"
char ')'
return (removeEpoch v)
ensureVersion :: String -> String -> Action ()
ensureVersion s v = do
v' <- versionOfSource s
when (v /= v') $ do
fail $ "Cannot build " ++ s ++ " version " ++ v ++ ", as we have " ++ v' ++ "."
removeEpoch :: String -> String
removeEpoch s | ':' `elem` s = tail $ dropWhile (/= ':') s
| otherwise = s
changesFileName s v = s ++ "_" ++ v ++ "_amd64.changes"
logFileName s v = s ++ "_" ++ v ++ "_amd64.build"
sourceFileName s v = s ++ "_" ++ v ++ ".dsc"
binaryPackagesOfSource :: String -> Action [String]
binaryPackagesOfSource s = do
let controlFile = "p" </> s </> "debian" </> "control"
need [controlFile]
ret <- liftIO $ parseDebianControlFromFile controlFile
case ret of
Left e -> fail (show e)
Right dc -> return $ map unBinPkgName $ debianBinaryPackageNames dc
dependsOfDsc :: FilePath -> IO [String]
dependsOfDsc f = do
ret <- parseControlFromFile f
case ret of
Left e -> fail (show e)
Right (Control (p:_)) -> do
deps <- case fieldValue "Build-Depends" (p:: Paragraph) of
Nothing -> fail "no Build-Depends"
Just depV -> return $ nub $ parseFlatRel depV
ideps <- case fieldValue "Build-Depends-Indep" (p:: Paragraph) of
Nothing -> return []
Just depV -> return $ nub $ parseFlatRel depV
return $ deps ++ ideps
-- Parsing package relations with flattening
-- (this could be faster than flatRels . parseRels)
parseFlatRel :: String -> [String]
parseFlatRel = flatRels . parseRels
where
flatRels :: Relations -> [String]
flatRels = map (\(Rel (BinPkgName n) _ _) -> n) . join
parseRels :: String -> Relations
parseRels s = case parseRelations s of
Left pe -> error $ "Failed to parse relations " ++ (show pe)
Right rel -> rel
fixupScript :: [String] -> String
fixupScript pkgs = unlines $
[ "#!/bin/bash"
-- I disable locking in the schroot. I have /var/cache/apt/archives bind-mounted
-- via /etc/schroot/default/fstab, so with locking, I could not run
-- multiple sbuilds at the same time
, "echo 'Debug::NoLocking \"true\";' > /etc/apt/apt.conf.d/no-locking"
] ++ ignoreArchiveDepends pkgs
ignoreArchiveDepends :: [String] -> [String]
ignoreArchiveDepends [] = []
ignoreArchiveDepends pkgs =
[ "#!/bin/bash"
, "apt-get install dctrl-tools" -- Just in case it is not installed in the base schroot
, "for f in /var/lib/apt/lists/*_Packages"
, "do"
, "grep-dctrl -v -F Package -X " ++ disj ++ " < \"$f\" > \"$f\".tmp"
, "mv \"$f\".tmp \"$f\""
, "done"
]
where disj = intercalate " -o " pkgs
debFileNameToPackage filename =
let [pkgname,_version,_] = splitOn "_" filename
in pkgname
defaultExcludedPackages = words "ghc haskell-devscripts uuagc haskell98-report haskell-platform haskell-ghcjs-base"
newtype GetExcludedSources = GetExcludedSources () deriving (Show,Typeable,Eq,Hashable,Binary,NFData)
newtype GetBuiltBy = GetBuiltBy String deriving (Show,Typeable,Eq,Hashable,Binary,NFData)
main = execParser opts >>= run
where
opts = info (helper <*> confSpec)
( fullDesc
<> progDesc "Rebuilds a set of packages"
<> header "make-all - Rebuilds a set of packages" )
run conf = shake (makeShakeOptions conf) (shakeMain conf)
makeShakeOptions :: Conf -> ShakeOptions
makeShakeOptions Conf{..} = shakeOptions
{ shakeFiles = targetDir </> ".shake"
, shakeThreads = jobs
, shakeVerbosity = shakeVerbosity'
}
shakeMain conf@(Conf {..}) = do
if null targets then want ["all"] else want targets
getExcludedSources <- addOracle $ \GetExcludedSources{} ->
return $ excludedPackages
targetDir </> "cache/sources.txt" %> \out -> do
sources <- getDirectoryDirs "p"
excluded <- getExcludedSources (GetExcludedSources ())
let sources' = filter (`notElem` excluded) sources
writeFileChanged out (unlines sources')
targetDir </> "cache/all-binaries.txt" %> \out -> do
sources <- readFileLines $ targetDir </> "cache/sources.txt"
binaries <- concat <$> mapM readFileLines [targetDir </> "cache/binaries/" ++ s ++ ".txt" | s <- sources]
writeFileChanged out (unlines binaries)
targetDir </> "cache/built-by.txt" %> \out -> do
sources <- readFileLines $ targetDir </> "cache/sources.txt"
builtBy <- liftM (sort . concat) $ forM sources $ \s -> do
pkgs <- readFileLines $ targetDir </> "cache/binaries/" ++ s ++ ".txt"
return [(pkg,s) | pkg <- pkgs]
writeFileChanged out $ unlines [ unwords [pkg,s] | (pkg,s) <- builtBy ]
builtByMap <- newCache $ \() -> do
builtBy <- readFileLines $ targetDir </> "cache/built-by.txt"
return $ M.fromList [ (p,s) | [p,s] <- words <$> builtBy ]
getBuiltBy <- addOracle $ \(GetBuiltBy bin) -> do
map <- builtByMap ()
return $ M.lookup bin map
let builtBy :: String -> Action (Maybe String)
builtBy = getBuiltBy . GetBuiltBy
targetDir </> "cache/all-logs.txt" %> \out -> do
sources <- readFileLines $ targetDir </> "cache/sources.txt"
versioned <- forM sources $ \s -> do
v <- versionOfSource s
return (s,v)
writeFileChanged out $ unlines $ map (uncurry changesFileName) versioned
targetDir </> "cache/binaries/*.txt" %> \out -> do
let s = dropExtension $ takeFileName $ out
pkgs <- binaryPackagesOfSource s
writeFileChanged out (unlines pkgs)
"all" ~> do
logs <- readFileLines $ targetDir </> "cache/all-logs.txt"
need [ targetDir </> l | l <- logs]
-- Binary packages depend on the corresponding build log
targetDir </> "*.deb" %> \out -> do
let filename = takeFileName out
let [pkgname,version,_] = splitOn "_" filename
sourceMB <- builtBy pkgname
case sourceMB of
Nothing -> fail $ "Binary " ++ show pkgname ++ " not built by us."
Just source -> need [targetDir </> changesFileName source version]
-- Build log depends on the corresponding source, and the dependencies
targetDir </> "*.changes" %> \out -> do
let filename = takeFileName out
let [source,version,_] = splitOn "_" filename
ensureVersion source version
let dsc = sourceFileName source version
need [targetDir </> dsc]
deps <- liftIO $ dependsOfDsc $ targetDir </> dsc
-- TODO: avoid multiple calls to builtBy
usedDeps <- filterM (\f -> isJust <$> builtBy f) deps
let usedDepsS = S.fromList usedDeps
depSources <- catMaybes <$> mapM builtBy usedDeps
depChanges <- forM depSources $ \s -> do
v <- versionOfSource s
return $ targetDir </> changesFileName s v
need depChanges
-- Actual package building
-- Monkey patch dependencies out of the package lists
withTempDir $ \tmpdir -> do
let fixup = tmpdir </> "fixup.sh"
liftIO $ writeFile fixup $ fixupScript usedDeps
localDebs <- filter ((==".deb").takeExtension) . map (makeRelative targetDir) <$> liftIO (listFiles targetDir)
let debs = filter ((`S.member` usedDepsS) . debFileNameToPackage) localDebs
Exit c <- cmd (Cwd targetDir) (EchoStdout False)
["sbuild", "-c", schrootName,"-A","--no-apt-update","--dist", distribution, "--chroot-setup-commands=bash "++fixup, dsc] ["--extra-package="++d | d <- debs]
unless (c == ExitSuccess) $ do
putNormal $ "Failed to build " ++ source ++ "_" ++ version
putNormal $ "See " ++ targetDir </> logFileName source version ++ " for details."
-- Build log depends on the corresponding source, and the dependencies
targetDir </> "*.dsc" %> \out -> do
let filename = dropExtension $ takeFileName out
let [source,version] = splitOn "_" filename
ensureVersion source version
sourceFiles <- getDirectoryFiles ("p" </> source) ["debian//*"]
need [ "p" </> source </> f | f <- sourceFiles]
unit $ cmd (EchoStdout False) "./debian2dsc.sh" "-o" targetDir ("p" </> source </> "debian")
|