archlinux-0.2.1: Distribution/ArchLinux/Report.hs
{-# LANGUAGE FlexibleInstances #-}
-- | Construct reports about a set of packages in AUR
--
module Distribution.ArchLinux.Report where
import Distribution.ArchLinux.AUR
import Distribution.ArchLinux.PkgBuild
import Distribution.Text
import System.FilePath
import Data.Maybe
import Text.XHtml.Transitional
import Control.OldException
import Control.Monad
import Data.List
import Data.Ord
import Data.Char
import System.Directory
import System.Environment
import System.Exit
import System.FilePath
import Control.Concurrent (forkIO)
import Control.Concurrent.Chan.Strict
import Control.Concurrent.MVar.Strict
import qualified Control.OldException as C
import System.IO
import System.Process
import System.Time
import GHC.Conc (numCapabilities)
import Text.Printf
import Control.Parallel.Strategies
import Distribution.Version
instance NFData (IO a) where rnf x = ()
instance NFData Version where rnf x = x `seq` ()
instance NFData AURInfo where rnf x = x `seq` ()
instance NFData AnnotatedPkgBuild where rnf x = x `seq` ()
-- Parallel work queue
parM tests f = do
let n = numCapabilities
chan <- newChan
ps <- getChanContents chan -- results
work <- newMVar tests -- where to take jobs from
forM_ [1..n] $ forkIO . thread work chan -- how many threads to fork
-- wait on i threads to close
-- logging them as they go
let wait xs i acc
| i >= n = return acc -- done
| otherwise = case xs of
Nothing : xs -> wait xs (i+1) acc
Just (s,a) : xs -> do a ; wait xs i (s : acc)
wait ps 0 []
where
-- thread :: MVar [Test] -> Chan (Maybe String) -> Int -> IO ()
thread work chan me = loop
where
loop = do
job <- modifyMVar work $ \jobs -> return $ case jobs of
[] -> ([], Nothing)
(j:js) -> (js, Just j)
case job of
Nothing -> writeChan chan Nothing -- done
Just name -> do
v <- f name
writeChan chan . Just $ (v, printf "%d: %-25s\n" me name)
loop
-- | Take as input a list of package names, return a pandoc object
-- reporting on interesting facts about the packages.
--
report :: [String] -> IO String
report xs = do
-- collect sets of results
res_ <- parM (nub xs) $ \p -> do
handle (\s -> return (p, Nothing, (Left (show s), Left []))) $ do
k <- package p
k `seq` return ()
-- if there is a hackage path, lookup version.
-- cabal info xmonad -v0
vers <- case k of
(Right aur, _) | not (null (packageURL aur)) -> do
let name = takeFileName (packageURL aur) -- haskell package name
v <- myReadProcess "cabal" ["info","-v0",name] []
return $! case v of
Left _ -> Nothing
Right s -> let v = reverse
. takeWhile (not . isSpace )
. reverse
. (\k -> case find ("Latest version available" `isInfixOf`) k of
Nothing -> []
Just n -> n )
$ lines s
in simpleParse v
_ -> return Nothing
return (p, vers, k)
time <- getClockTime
let results = sortBy (\(n,x,_) (m,y,_) -> x `seq` y `seq` n `compare` m) res_
return. showHtml $
(header $
(thetitle (toHtml "Arch Haskell Package Report")) +++
((thelink noHtml) ! [ rel "stylesheet"
, href "http://galois.com/~dons/arch-haskell.css"
, thetype "text/css" ])) +++
(body $
center ((h2 (toHtml "Arch Haskell Package Status")))
+++
(table $
(tr (td (toHtml $ "Results from " ++ show time)))
+++
(tr (td (toHtml $ "Found " ++ show (length results) ++ " packages" )))
)
+++
(scores . table $
tr (concatHtml
[ td . categoryTag . toHtml $ "Package"
, td . categoryTag . toHtml $ "Hackage"
, td . categoryTag . toHtml $ "Version"
, td . categoryTag . toHtml $ "Latest"
, td . categoryTag . toHtml $ "cabal2arch"
, td . categoryTag . toHtml $ "Votes"
, td . categoryTag . toHtml $ "Description"
]) +++
concatHtml
[
tr $ concatHtml $
case aur_ of
Left err ->
[ td $ toHtml p
, td $ bad (toHtml "No AUR entry found!")
]
Right aur -> case pkg_ of
-- Didn't find a PKGBUILD
Left err ->
[ td . toHtml $
hotlink
(packageURLinAUR aur)
(toHtml p)
, td .
(if null (packageURL aur) then bad else id) . toHtml $
hotlink
(packageURL aur)
(toHtml (takeFileName (packageURL aur)))
, td $ case packageVersion aur of
Left s -> bad $ toHtml s
Right (v,_) -> toHtml $ display v
, td $
case vers of
Nothing | packageLocation aur == 3 -> toHtml ""
Nothing -> bad (toHtml "-")
Just v -> case packageVersion aur of
Left s -> toHtml (display v)
Right (v',_) | v == v' -> toHtml (display v)
| otherwise -> bad (toHtml (display v))
, td $ if packageLocation aur /= 3
then bad (toHtml "PKGBUILD not found")
else toHtml ""
, td $ if packageVotes aur > 10
then good $ toHtml $ show $ packageVotes aur
else toHtml $ show $ packageVotes aur
, td $ toHtml $ packageDesc aur
]
-- Found everything
Right pkg ->
[ td . toHtml $
hotlink
(packageURLinAUR aur)
(toHtml p)
, td .
(if null (packageURL aur) then bad else id) . toHtml $
hotlink
(packageURL aur)
(toHtml (takeFileName (packageURL aur)))
, td $
case packageVersion aur of
Left s -> bad $ toHtml s
Right (v,_) -> toHtml $ display v
, td $
case vers of
Nothing | packageLocation aur == 3 -> toHtml ""
Nothing -> bad (toHtml "-")
Just v -> case packageVersion aur of
Left s -> toHtml (display v)
Right (v',_) | v == v' -> toHtml (display v)
| otherwise -> bad (toHtml (display v))
, td $
if oldCabal2Arch pkg
then bad . toHtml $
case pkgBuiltWith pkg of
Nothing -> "Nothing"
Just v -> display v
else toHtml $
case pkgBuiltWith pkg of
Nothing -> "Nothing"
Just v -> display v
, td $ if packageVotes aur > 10
then good $ toHtml $ show $ packageVotes aur
else toHtml $ show $ packageVotes aur
, td $ toHtml $ packageDesc aur
]
| (p, vers, (aur_,pkg_)) <- results
]
)
)
{-
(Right (AURInfo {packageID = 17480, packageName = "haskell-json", packageVersion = Right (Version {versionBranch = [0,4,3], versionTags = []},"1"), packageCategory = 10, packageDesc = "Support for serialising Haskell to and from JSON", packageLocation = 2, packageURL = "http://hackage.haskell.org/cgi-bin/hackage-scripts/package/json", packagePath = "/packages/haskell-json/haskell-json.tar.gz", packageLicense = "custom:BSD3", packageVotes = 16, packageOutOfDate = False}),Right (AnnotatedPkgBuild {pkgBuiltWith = Just (Version {versionBranch = [0,5,3], versionTags = []}), pkgHeader = "# Contributor: Arch Haskell Team <arch-haskell@haskell.org>", pkgBody = PkgBuild {arch_pkgname = "haskell-json", arch_pkgver = Version {versionBranch = [0,4,3], versionTags = []}, arch_pkgrel = 1, arch_pkgdesc = "\"Support for serialising Haskell to and from JSON\"", arch_arch = ArchList [Arch_X86,Arch_X86_64], arch_url = "\"http://hackage.haskell.org/cgi-bin/hackage-scripts/package/json\"", arch_license = ArchList [BSD3], arch_makedepends = ArchList [], arch_depends = ArchList [], arch_source = ArchList [], arch_md5sum = ArchList [], arch_build = [], arch_install = Nothing, arch_options = ArchList []}}))
-}
categoryTag x = thediv x ! [identifier "Category" ]
bad x = thediv x ! [identifier "Bad" ]
good x = thediv x ! [identifier "Best" ]
scores x = thediv x ! [identifier "Scores" ]
------------------------------------------------------------------------
--
-- Strict process reading
--
myReadProcess :: FilePath -- ^ command to run
-> [String] -- ^ any arguments
-> String -- ^ standard input
-> IO (Either (ExitCode,String,String) String) -- ^ either the stdout, or an exitcode and any output
myReadProcess cmd args input = C.handle (return . handler) $ do
(inh,outh,errh,pid) <- runInteractiveProcess cmd args Nothing Nothing
output <- hGetContents outh
outMVar <- newEmptyMVar
forkIO $ (C.evaluate (length output) >> putMVar outMVar ())
errput <- hGetContents errh
errMVar <- newEmptyMVar
forkIO $ (C.evaluate (length errput) >> putMVar errMVar ())
when (not (null input)) $ hPutStr inh input
takeMVar outMVar
takeMVar errMVar
ex <- C.catch (waitForProcess pid) (\_e -> return ExitSuccess)
hClose outh
hClose inh -- done with stdin
hClose errh -- ignore stderr
return $ case ex of
ExitSuccess -> Right output
ExitFailure _ -> Left (ex, errput, output)
where
handler (C.ExitException e) = Left (e,"","")
handler e = Left (ExitFailure 1, show e, "")