{-# OPTIONS -fglasgow-exts -cpp #-}
-----------------------------------------------------------------------------
--
--- (c) The University of Glasgow 2004.
+-- (c) The University of Glasgow 2004-2009.
--
-- Package management tool
--
-----------------------------------------------------------------------------
--- TODO:
--- * validate modules
--- * expanding of variables in new-style package conf
--- * version manipulation (checking whether old version exists,
--- hiding old version?)
-
module Main (main) where
import Version ( version, targetOS, targetARCH )
+import qualified Distribution.Simple.PackageIndex as PackageIndex
import Distribution.ModuleName hiding (main)
-import Distribution.InstalledPackageInfo hiding (depends)
+import Distribution.InstalledPackageInfo
import Distribution.Compat.ReadP
import Distribution.ParseUtils
-import Distribution.Package
+import Distribution.Package hiding (depends)
import Distribution.Text
import Distribution.Version
import System.FilePath
import IO ( isPermissionError )
import System.Posix.Internals
+#if __GLASGOW_HASKELL__ >= 611
+import GHC.IO.Handle.FD (fdToHandle)
+#else
import GHC.Handle (fdToHandle)
+#endif
#if defined(GLOB)
import System.Process(runInteractiveCommand)
(cli,_,[]) | FlagVersion `elem` cli ->
bye ourCopyright
(cli,nonopts,[]) ->
- runit cli nonopts
+ case getVerbosity Normal cli of
+ Right v -> runit v cli nonopts
+ Left err -> die err
(_,_,errors) -> do
prog <- getProgramName
die (concat errors ++ usageInfo (usageHeader prog) flags)
| FlagNamesOnly
| FlagIgnoreCase
| FlagNoUserDb
+ | FlagVerbosity (Maybe String)
deriving Eq
flags :: [OptDescr Flag]
Option [] ["names-only"] (NoArg FlagNamesOnly)
"only print package names, not versions; can only be used with list --simple-output",
Option [] ["ignore-case"] (NoArg FlagIgnoreCase)
- "ignore case for substring matching"
+ "ignore case for substring matching",
+ Option ['v'] ["verbose"] (OptArg FlagVerbosity "Verbosity")
+ "verbosity level (0-2, default 1)"
]
+data Verbosity = Silent | Normal | Verbose
+ deriving (Show, Eq, Ord)
+
+getVerbosity :: Verbosity -> [Flag] -> Either String Verbosity
+getVerbosity v [] = Right v
+getVerbosity _ (FlagVerbosity Nothing : fs) = getVerbosity Verbose fs
+getVerbosity _ (FlagVerbosity (Just "0") : fs) = getVerbosity Silent fs
+getVerbosity _ (FlagVerbosity (Just "1") : fs) = getVerbosity Normal fs
+getVerbosity _ (FlagVerbosity (Just "2") : fs) = getVerbosity Verbose fs
+getVerbosity _ (FlagVerbosity v : _) = Left ("Bad verbosity: " ++ show v)
+getVerbosity v (_ : fs) = getVerbosity v fs
+
deprecFlags :: [OptDescr Flag]
deprecFlags = [
-- put deprecated flags here
" all the registered versions will be listed in ascending order.\n" ++
" Accepts the --simple-output flag.\n" ++
"\n" ++
+ " $p dot\n" ++
+ " Generate a graph of the package dependencies in a form suitable\n" ++
+ " for input for the graphviz tools. For example, to generate a PDF" ++
+ " of the dependency graph: ghc-pkg dot | tred | dot -Tpdf >pkgs.pdf" ++
+ "\n" ++
" $p find-module {module}\n" ++
" List registered packages exposing module {module} in the global\n" ++
" database, and also the user database if --user is given.\n" ++
" entirely. When multiple of these options are given, the rightmost\n"++
" one is used as the database to act upon.\n"++
"\n"++
- " Commands that query the package database (list, latest, describe,\n"++
+ " Commands that query the package database (list, tree, latest, describe,\n"++
" field) operate on the list of databases specified by the flags\n"++
" --user, --global, and --package-conf. If none of these flags are\n"++
" given, the default is --global --user.\n"++
data PackageArg = Id PackageIdentifier | Substring String (String->Bool)
-runit :: [Flag] -> [String] -> IO ()
-runit cli nonopts = do
+runit :: Verbosity -> [Flag] -> [String] -> IO ()
+runit verbosity cli nonopts = do
installSignalHandlers -- catch ^C and clean up
prog <- getProgramName
let
glob filename >>= print
#endif
["register", filename] ->
- registerPackage filename cli auto_ghci_libs False force
+ registerPackage filename verbosity cli auto_ghci_libs False force
["update", filename] ->
- registerPackage filename cli auto_ghci_libs True force
+ registerPackage filename verbosity cli auto_ghci_libs True force
["unregister", pkgid_str] -> do
pkgid <- readGlobPkgId pkgid_str
- unregisterPackage pkgid cli force
+ unregisterPackage pkgid verbosity cli force
["expose", pkgid_str] -> do
pkgid <- readGlobPkgId pkgid_str
- exposePackage pkgid cli force
+ exposePackage pkgid verbosity cli force
["hide", pkgid_str] -> do
pkgid <- readGlobPkgId pkgid_str
- hidePackage pkgid cli force
+ hidePackage pkgid verbosity cli force
["list"] -> do
- listPackages cli Nothing Nothing
+ listPackages verbosity cli Nothing Nothing
["list", pkgid_str] ->
case substringCheck pkgid_str of
Nothing -> do pkgid <- readGlobPkgId pkgid_str
- listPackages cli (Just (Id pkgid)) Nothing
- Just m -> listPackages cli (Just (Substring pkgid_str m)) Nothing
+ listPackages verbosity cli (Just (Id pkgid)) Nothing
+ Just m -> listPackages verbosity cli (Just (Substring pkgid_str m)) Nothing
+ ["dot"] -> do
+ showPackageDot verbosity cli
["find-module", moduleName] -> do
let match = maybe (==moduleName) id (substringCheck moduleName)
- listPackages cli Nothing (Just match)
+ listPackages verbosity cli Nothing (Just match)
["latest", pkgid_str] -> do
pkgid <- readGlobPkgId pkgid_str
latestPackage cli pkgid
parse
+++
(do n <- parse
- string "-*"
+ _ <- string "-*"
return (PackageIdentifier{ pkgName = n, pkgVersion = globVersion }))
-- globVersion means "all versions"
let err_msg = "missing --global-conf option, location of global package.conf unknown\n"
global_conf <-
case [ f | FlagGlobalConfig f <- my_flags ] of
- [] -> do mb_dir <- getExecDir "/bin/ghc-pkg.exe"
+ [] -> do mb_dir <- getLibDir
case mb_dir of
Nothing -> die err_msg
Just dir ->
- do let path1 = dir </> "package.conf"
- path2 = dir </> ".." </> ".." </> ".."
- </> "inplace-datadir"
- </> "package.conf"
- exists1 <- doesFileExist path1
- exists2 <- doesFileExist path2
- if exists1 then return path1
- else if exists2 then return path2
- else die "Can't find package.conf"
+ do let path = dir </> "package.conf"
+ exists <- doesFileExist path
+ unless exists $ die "Can't find package.conf"
+ return path
fs -> return (last fs)
let global_conf_dir = global_conf ++ ".d"
| otherwise
= do str <- readFile filename
let packages = map convertPackageInfoIn $ read str
- Exception.evaluate packages
+ _ <- Exception.evaluate packages
`catchError` \e->
die ("error while parsing " ++ filename ++ ": " ++ show e)
return (filename,packages)
-- Registering
registerPackage :: FilePath
+ -> Verbosity
-> [Flag]
-> Bool -- auto_ghci_libs
-> Bool -- update
-> Force
-> IO ()
-registerPackage input my_flags auto_ghci_libs update force = do
+registerPackage input verbosity my_flags auto_ghci_libs update force = do
(db_stack, Just to_modify) <- getPkgDatabases True my_flags
let
db_to_operate_on = my_head "register" $
s <-
case input of
"-" -> do
- putStr "Reading package info from stdin ... "
+ when (verbosity >= Normal) $
+ putStr "Reading package info from stdin ... "
getContents
f -> do
- putStr ("Reading package info from " ++ show f ++ " ... ")
+ when (verbosity >= Normal) $
+ putStr ("Reading package info from " ++ show f ++ " ... ")
readFile f
expanded <- expandEnvVars s force
pkg <- parsePackageInfo expanded
- putStrLn "done."
-
- let unversioned_deps = filter (not . realVersion) (depends pkg)
- unless (null unversioned_deps) $
- die ("Unversioned dependencies found: " ++
- unwords (map display unversioned_deps))
+ when (verbosity >= Normal) $
+ putStrLn "done."
let truncated_stack = dropWhile ((/= to_modify).fst) db_stack
-- truncate the stack for validation, because we don't allow
validatePackageConfig pkg truncated_stack auto_ghci_libs update force
let new_details = filter not_this (snd db_to_operate_on) ++ [pkg]
not_this p = package p /= package pkg
- writeNewConfig to_modify new_details
+ writeNewConfig verbosity to_modify new_details
parsePackageInfo
:: String
-- -----------------------------------------------------------------------------
-- Exposing, Hiding, Unregistering are all similar
-exposePackage :: PackageIdentifier -> [Flag] -> Force -> IO ()
+exposePackage :: PackageIdentifier -> Verbosity -> [Flag] -> Force -> IO ()
exposePackage = modifyPackage (\p -> [p{exposed=True}])
-hidePackage :: PackageIdentifier -> [Flag] -> Force -> IO ()
+hidePackage :: PackageIdentifier -> Verbosity -> [Flag] -> Force -> IO ()
hidePackage = modifyPackage (\p -> [p{exposed=False}])
-unregisterPackage :: PackageIdentifier -> [Flag] -> Force -> IO ()
+unregisterPackage :: PackageIdentifier -> Verbosity -> [Flag] -> Force -> IO ()
unregisterPackage = modifyPackage (\_ -> [])
modifyPackage
:: (InstalledPackageInfo -> [InstalledPackageInfo])
-> PackageIdentifier
+ -> Verbosity
-> [Flag]
-> Force
-> IO ()
-modifyPackage fn pkgid my_flags force = do
+modifyPackage fn pkgid verbosity my_flags force = do
(db_stack, Just _to_modify) <- getPkgDatabases True{-modify-} my_flags
((db_name, pkgs), ps) <- fmap head $ findPackagesByDB db_stack (Id pkgid)
-- let ((db_name, pkgs) : rest_of_stack) = db_stack
" would break the following packages: "
++ unwords (map display newly_broken))
- writeNewConfig db_name new_config
+ writeNewConfig verbosity db_name new_config
-- -----------------------------------------------------------------------------
-- Listing packages
-listPackages :: [Flag] -> Maybe PackageArg -> Maybe (String->Bool) -> IO ()
-listPackages my_flags mPackageName mModuleName = do
+listPackages :: Verbosity -> [Flag] -> Maybe PackageArg
+ -> Maybe (String->Bool)
+ -> IO ()
+listPackages verbosity my_flags mPackageName mModuleName = do
let simple_output = FlagSimpleOutput `elem` my_flags
(db_stack, _) <- getPkgDatabases False my_flags
let db_stack_filtered -- if a package is given, filter out all other packages
match `exposedInPkg` pkg = any match (map display $ exposedModules pkg)
pkg_map = allPackagesInStack db_stack
- show_func = if simple_output then show_simple else mapM_ (show_normal pkg_map)
+ broken = map package (brokenPackages pkg_map)
- show_func (reverse db_stack_sorted)
+ show_func = if simple_output then show_simple else mapM_ show_normal
- where show_normal pkg_map (db_name,pkg_confs) =
+ show_normal (db_name,pkg_confs) =
hPutStrLn stdout (render $
text db_name <> colon $$ nest 4 packages
)
- where packages = fsep (punctuate comma (map pp_pkg pkg_confs))
- broken = map package (brokenPackages pkg_map)
+ where packages
+ | verbosity >= Verbose = vcat (map pp_pkg pkg_confs)
+ | otherwise = fsep (punctuate comma (map pp_pkg pkg_confs))
pp_pkg p
| package p `elem` broken = braces doc
| exposed p = doc
| otherwise = parens doc
- where doc = text (display (package p))
+ where doc | verbosity >= Verbose = pkg <+> parens ipid
+ | otherwise = pkg
+ where
+ InstalledPackageId ipid_str = installedPackageId p
+ ipid = text ipid_str
+ pkg = text (display (package p))
- show_simple = simplePackageList my_flags . allPackagesInStack
+ show_simple = simplePackageList my_flags . allPackagesInStack
+
+ when (not (null broken) && verbosity /= Silent) $ do
+ prog <- getProgramName
+ putStrLn ("WARNING: there are broken packages. Run '" ++ prog ++ " check' for more details.")
+
+ show_func (reverse db_stack_sorted)
simplePackageList :: [Flag] -> [InstalledPackageInfo] -> IO ()
simplePackageList my_flags pkgs = do
when (not (null pkgs)) $
hPutStrLn stdout $ concat $ intersperse " " strs
+showPackageDot :: Verbosity -> [Flag] -> IO ()
+showPackageDot _verbosity myflags = do
+ (db_stack, _) <- getPkgDatabases False myflags
+ let all_pkgs = allPackagesInStack db_stack
+ ipix = PackageIndex.listToInstalledPackageIndex all_pkgs
+
+ putStrLn "digraph {"
+ let quote s = '"':s ++ "\""
+ mapM_ putStrLn [ quote from ++ " -> " ++ quote to
+ | p <- all_pkgs,
+ let from = display (package p),
+ depid <- depends p,
+ Just dep <- [PackageIndex.lookupInstalledPackage ipix depid],
+ let to = display (package dep)
+ ]
+ putStrLn "}"
+
-- -----------------------------------------------------------------------------
-- Prints the highest (hidden or exposed) version of a package
= (pkgName pid == pkgName pid')
&& (pkgVersion pid == pkgVersion pid' || not (realVersion pid))
+realVersion :: PackageIdentifier -> Bool
+realVersion pkgid = versionBranch (pkgVersion pkgid) /= []
+ -- when versionBranch == [], this is a glob
+
matchesPkg :: PackageArg -> InstalledPackageInfo -> Bool
(Id pid) `matchesPkg` pkg = pid `matches` package pkg
(Substring _ m) `matchesPkg` pkg = m (display (package pkg))
else do
when (not simple_output) $ do
reportError ("There are problems in package " ++ display (package p) ++ ":")
- reportValidateErrors es " " Nothing
+ _ <- reportValidateErrors es " " Nothing
return ()
return [p]
-> Bool
depsAvailable pkgs_ok pkg = null dangling
where dangling = filter (`notElem` pids) (depends pkg)
- pids = map package pkgs_ok
+ pids = map installedPackageId pkgs_ok
-- we want mutually recursive groups of package to show up
-- as broken. (#1750)
hiddenModules = map convert h }
where convert = fromJust . simpleParse
-writeNewConfig :: FilePath -> [InstalledPackageInfo] -> IO ()
-writeNewConfig filename packages = do
- hPutStr stdout "Writing new package config file... "
+writeNewConfig :: Verbosity -> FilePath -> [InstalledPackageInfo] -> IO ()
+writeNewConfig verbosity filename packages = do
+ when (verbosity >= Normal) $
+ hPutStr stdout "Writing new package config file... "
createDirectoryIfMissing True $ takeDirectory filename
let shown = concat $ intersperse ",\n "
$ map (show . convertPackageInfoOut) packages
if isPermissionError e
then die (filename ++ ": you don't have permission to modify this file")
else ioError e
- hPutStrLn stdout "done."
+ when (verbosity >= Normal) $
+ hPutStrLn stdout "done."
-----------------------------------------------------------------------------
-- Sanity-check a new package config, and automatically build GHCi libs
-> Bool -- update, or check
-> Validate ()
checkPackageConfig pkg db_stack auto_ghci_libs update = do
+ checkInstalledPackageId pkg db_stack update
checkPackageId pkg
checkDuplicates db_stack pkg update
mapM_ (checkDep db_stack) (depends pkg)
-- extra_libraries :: [String],
-- c_includes :: [String],
+checkInstalledPackageId :: InstalledPackageInfo -> PackageDBStack -> Bool
+ -> Validate ()
+checkInstalledPackageId ipi db_stack update = do
+ let ipid@(InstalledPackageId str) = installedPackageId ipi
+ when (null str) $ verror CannotForce "missing id field"
+ let dups = [ p | p <- allPackagesInStack db_stack,
+ installedPackageId p == ipid ]
+ when (not update && not (null dups)) $
+ verror CannotForce $
+ "package(s) with this id already exist: " ++
+ unwords (map (display.packageId) dups)
+
-- When the package name and version are put together, sometimes we can
-- end up with a package id that cannot be parsed. This will lead to
-- difficulties when the user wants to refer to the package later, so
when (not there) $
verror ForceFiles (thisfield ++ ": " ++ d ++ " doesn't exist or isn't a directory")
-checkDep :: PackageDBStack -> PackageIdentifier -> Validate ()
+checkDep :: PackageDBStack -> InstalledPackageId -> Validate ()
checkDep db_stack pkgid
- | pkgid `elem` pkgids || (not real_version && name_exists) = return ()
- | otherwise = verror ForceAll ("dependency " ++ display pkgid
- ++ " doesn't exist")
+ | pkgid `elem` pkgids = return ()
+ | otherwise = verror ForceAll ("dependency \"" ++ display pkgid
+ ++ "\" doesn't exist")
where
- -- for backwards compat, we treat 0.0 as a special version,
- -- and don't check that it actually exists.
- real_version = realVersion pkgid
-
- name_exists = any (\p -> pkgName (package p) == name) all_pkgs
- name = pkgName pkgid
-
all_pkgs = allPackagesInStack db_stack
- pkgids = map package all_pkgs
+ pkgids = map installedPackageId all_pkgs
-checkDuplicateDepends :: [PackageIdentifier] -> Validate ()
+checkDuplicateDepends :: [InstalledPackageId] -> Validate ()
checkDuplicateDepends deps
| null dups = return ()
| otherwise = verror ForceAll ("package has duplicate dependencies: " ++
where
dups = [ p | (p:_:_) <- group (sort deps) ]
-realVersion :: PackageIdentifier -> Bool
-realVersion pkgid = versionBranch (pkgVersion pkgid) /= []
-
checkHSLib :: [String] -> Bool -> String -> Validate ()
checkHSLib dirs auto_ghci_libs lib = do
let batch_lib_file = "lib" ++ lib ++ ".a"
| auto_build = autoBuildGHCiLib batch_lib_dir batch_lib_file ghci_lib_file
| otherwise = do
m <- doesFileExistOnPath ghci_lib_file dirs
- when (isNothing m) $
+ when (isNothing m && ghci_lib_file /= "HSrts.o") $
hPutStrLn stderr ("warning: can't find GHCi lib " ++ ghci_lib_file)
where
ghci_lib_file = lib <.> "o"
#if defined(darwin_HOST_OS)
r <- rawSystem "ld" ["-r","-x","-o",ghci_lib_file,"-all_load",batch_lib_file]
#elif defined(mingw32_HOST_OS)
- execDir <- getExecDir "/bin/ghc-pkg.exe"
+ execDir <- getLibDir
r <- rawSystem (maybe "" (++"/gcc-lib/") execDir++"ld") ["-r","-x","-o",ghci_lib_file,"--whole-archive",batch_lib_file]
#else
r <- rawSystem "ld" ["-r","-x","-o",ghci_lib_file,"--whole-archive",batch_lib_file]
unDosifyPath :: FilePath -> FilePath
unDosifyPath xs = subst '\\' '/' xs
-getExecDir :: String -> IO (Maybe String)
+getLibDir :: IO (Maybe String)
+getLibDir = fmap (fmap (</> "lib")) $ getExecDir "/bin/ghc-pkg.exe"
+
-- (getExecDir cmd) returns the directory in which the current
-- executable, which should be called 'cmd', is running
-- So if the full path is /a/b/c/d/e, and you pass "d/e" as cmd,
-- you'll get "/a/b/c" back as the result
-getExecDir cmd
- = allocaArray len $ \buf -> do
- ret <- getModuleFileName nullPtr buf len
- if ret == 0 then return Nothing
- else do s <- peekCString buf
- return (Just (reverse (drop (length cmd)
- (reverse (unDosifyPath s)))))
- where
- len = 2048::Int -- Plenty, PATH_MAX is 512 under Win32.
+getExecDir :: String -> IO (Maybe String)
+getExecDir cmd =
+ getExecPath >>= maybe (return Nothing) removeCmdSuffix
+ where initN n = reverse . drop n . reverse
+ removeCmdSuffix = return . Just . initN (length cmd) . unDosifyPath
+
+getExecPath :: IO (Maybe String)
+getExecPath =
+ allocaArray len $ \buf -> do
+ ret <- getModuleFileName nullPtr buf len
+ if ret == 0 then return Nothing
+ else liftM Just $ peekCString buf
+ where len = 2048 -- Plenty, PATH_MAX is 512 under Win32.
+
+foreign import stdcall unsafe "GetModuleFileNameA"
+ getModuleFileName :: Ptr () -> CString -> Int -> IO Int32
-foreign import stdcall unsafe "GetModuleFileNameA"
- getModuleFileName :: Ptr () -> CString -> Int -> IO Int32
#else
-getExecDir :: String -> IO (Maybe String)
-getExecDir _ = return Nothing
+getLibDir :: IO (Maybe String)
+getLibDir = return Nothing
#endif
-----------------------------------------
(Exception.ErrorCall "interrupted")
--
#if !defined(mingw32_HOST_OS)
- installHandler sigQUIT (Catch interrupt) Nothing
- installHandler sigINT (Catch interrupt) Nothing
+ _ <- installHandler sigQUIT (Catch interrupt) Nothing
+ _ <- installHandler sigINT (Catch interrupt) Nothing
return ()
#elif __GLASGOW_HASKELL__ >= 603
-- GHC 6.3+ has support for console events on Windows
sig_handler Break = interrupt
sig_handler _ = return ()
- installHandler (Catch sig_handler)
+ _ <- installHandler (Catch sig_handler)
return ()
#else
return () -- nothing
oflags = rw_flags .|. o_EXCL
+#if __GLASGOW_HASKELL__ < 611
+ withFilePath = withCString
+#endif
+
findTempName x = do
- fd <- withCString filepath $ \ f ->
+ fd <- withFilePath filepath $ \ f ->
c_open f oflags 0o666
if fd < 0
then do
projects / ghc-hetmet.git / blobdiff