/usr/lib/hugs/packages/Cabal/Distribution/Simple/Register.hs is in libhugs-cabal-bundled 98.200609.21-5.3.
This file is owned by root:root, with mode 0o644.
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-----------------------------------------------------------------------------
-- |
-- Module : Distribution.Simple.Register
-- Copyright : Isaac Jones 2003-2004
--
-- Maintainer : Isaac Jones <ijones@syntaxpolice.org>
-- Stability : alpha
-- Portability : portable
--
-- Explanation: Perform the \"@.\/setup register@\" action.
-- Uses a drop-file for HC-PKG. See also "Distribution.InstalledPackageInfo".
{- Copyright (c) 2003-2004, Isaac Jones
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following
disclaimer in the documentation and/or other materials provided
with the distribution.
* Neither the name of Isaac Jones nor the names of other
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -}
module Distribution.Simple.Register (
register,
unregister,
writeInstalledConfig,
removeInstalledConfig,
installedPkgConfigFile,
regScriptLocation,
unregScriptLocation,
) where
import Distribution.Simple.LocalBuildInfo (LocalBuildInfo(..), mkLibDir, mkHaddockDir,
mkIncludeDir)
import Distribution.Compiler (CompilerFlavor(..), Compiler(..))
import Distribution.Setup (RegisterFlags(..), CopyDest(..), userOverride)
import Distribution.PackageDescription (setupMessage, PackageDescription(..),
BuildInfo(..), Library(..), haddockName)
import Distribution.Package (PackageIdentifier(..), showPackageId)
import Distribution.Version (Version(..))
import Distribution.InstalledPackageInfo
(InstalledPackageInfo, showInstalledPackageInfo,
emptyInstalledPackageInfo)
import qualified Distribution.InstalledPackageInfo as IPI
import Distribution.Simple.Utils (rawSystemExit, copyFileVerbose, die)
import Distribution.Simple.Hugs (hugsPackageDir)
import Distribution.Simple.GHCPackageConfig (mkGHCPackageConfig, showGHCPackageConfig)
import qualified Distribution.Simple.GHCPackageConfig
as GHC (localPackageConfig, canWriteLocalPackageConfig, maybeCreateLocalPackageConfig)
import Distribution.Compat.Directory
(createDirectoryIfMissing,removeDirectoryRecursive,
setPermissions, getPermissions, Permissions(executable)
)
import Distribution.Compat.FilePath (joinFileName, joinPaths, splitFileName,
isAbsolutePath)
import System.Directory(doesFileExist, removeFile, getCurrentDirectory)
import System.IO.Error (try)
import Control.Monad (when, unless)
import Data.Maybe (isNothing, fromJust)
import Data.List (partition)
regScriptLocation :: FilePath
regScriptLocation = "register.sh"
unregScriptLocation :: FilePath
unregScriptLocation = "unregister.sh"
-- -----------------------------------------------------------------------------
-- Registration
register :: PackageDescription -> LocalBuildInfo
-> RegisterFlags -- ^Install in the user's database?; verbose
-> IO ()
register pkg_descr lbi regFlags
| isNothing (library pkg_descr) = do
setupMessage "No package to register" pkg_descr
return ()
| otherwise = do
let ghc_63_plus = compilerVersion (compiler lbi) >= Version [6,3] []
genScript = regGenScript regFlags
verbose = regVerbose regFlags
user = regUser regFlags `userOverride` userConf lbi
inplace = regInPlace regFlags
setupMessage (if genScript
then ("Writing registration script: " ++ regScriptLocation)
else "Registering")
pkg_descr
case compilerFlavor (compiler lbi) of
GHC -> do
config_flags <-
if user
then if ghc_63_plus
then return ["--user"]
else do
GHC.maybeCreateLocalPackageConfig
localConf <- GHC.localPackageConfig
pkgConfWriteable <- GHC.canWriteLocalPackageConfig
when (not pkgConfWriteable && not genScript)
$ userPkgConfErr localConf
return ["--config-file=" ++ localConf]
else return []
let instConf = if inplace then inplacePkgConfigFile
else installedPkgConfigFile
instConfExists <- doesFileExist instConf
when (not instConfExists && not genScript) $ do
when (verbose > 0) $
putStrLn ("create " ++ instConf)
writeInstalledConfig pkg_descr lbi inplace
let register_flags
| ghc_63_plus = "update":
if genScript
then []
else
[instConf]
| otherwise = "--update-package":
if genScript
then []
else
["--input-file="++instConf]
let allFlags = register_flags
++ config_flags
++ if ghc_63_plus && genScript then ["-"] else []
let pkgTool = case regWithHcPkg regFlags of
Just f -> f
Nothing -> compilerPkgTool (compiler lbi)
if genScript
then do cfg <- showInstalledConfig pkg_descr lbi inplace
rawSystemPipe regScriptLocation verbose cfg
pkgTool allFlags
else rawSystemExit verbose pkgTool allFlags
Hugs -> do
when inplace $ die "--inplace is not supported with Hugs"
createDirectoryIfMissing True (hugsPackageDir pkg_descr lbi)
copyFileVerbose verbose installedPkgConfigFile
(hugsPackageDir pkg_descr lbi `joinFileName` "package.conf")
JHC -> when (verbose > 0) $ putStrLn "registering for JHC (nothing to do)"
_ -> die ("only registering with GHC is implemented")
userPkgConfErr :: String -> IO a
userPkgConfErr local_conf =
die ("--user flag passed, but cannot write to local package config: "
++ local_conf )
-- -----------------------------------------------------------------------------
-- The installed package config
-- |Register doesn't drop the register info file, it must be done in a
-- separate step.
writeInstalledConfig :: PackageDescription -> LocalBuildInfo -> Bool -> IO ()
writeInstalledConfig pkg_descr lbi inplace = do
pkg_config <- showInstalledConfig pkg_descr lbi inplace
writeFile (if inplace then inplacePkgConfigFile else installedPkgConfigFile)
(pkg_config ++ "\n")
-- |Create a string suitable for writing out to the package config file
showInstalledConfig :: PackageDescription -> LocalBuildInfo -> Bool
-> IO String
showInstalledConfig pkg_descr lbi inplace
| (case compilerFlavor hc of GHC -> True; _ -> False) &&
compilerVersion hc < Version [6,3] []
= if inplace then
error "--inplace not supported for GHC < 6.3"
else
return (showGHCPackageConfig (mkGHCPackageConfig pkg_descr lbi))
| otherwise
= do cfg <- mkInstalledPackageInfo pkg_descr lbi inplace
return (showInstalledPackageInfo cfg)
where
hc = compiler lbi
removeInstalledConfig :: IO ()
removeInstalledConfig = do
try (removeFile installedPkgConfigFile) >> return ()
try (removeFile inplacePkgConfigFile) >> return ()
installedPkgConfigFile :: String
installedPkgConfigFile = ".installed-pkg-config"
inplacePkgConfigFile :: String
inplacePkgConfigFile = ".inplace-pkg-config"
-- -----------------------------------------------------------------------------
-- Making the InstalledPackageInfo
mkInstalledPackageInfo
:: PackageDescription
-> LocalBuildInfo
-> Bool
-> IO InstalledPackageInfo
mkInstalledPackageInfo pkg_descr lbi inplace = do
pwd <- getCurrentDirectory
let
lib = fromJust (library pkg_descr) -- checked for Nothing earlier
bi = libBuildInfo lib
build_dir = pwd `joinFileName` buildDir lbi
libdir = mkLibDir pkg_descr lbi NoCopyDest
incdir = mkIncludeDir libdir
(absinc,relinc) = partition isAbsolutePath (includeDirs bi)
haddockDir = mkHaddockDir pkg_descr lbi NoCopyDest
haddockFile = joinPaths haddockDir (haddockName pkg_descr)
in
return emptyInstalledPackageInfo{
IPI.package = package pkg_descr,
IPI.license = license pkg_descr,
IPI.copyright = copyright pkg_descr,
IPI.maintainer = maintainer pkg_descr,
IPI.author = author pkg_descr,
IPI.stability = stability pkg_descr,
IPI.homepage = homepage pkg_descr,
IPI.pkgUrl = pkgUrl pkg_descr,
IPI.description = description pkg_descr,
IPI.category = category pkg_descr,
IPI.exposed = True,
IPI.exposedModules = exposedModules lib,
IPI.hiddenModules = otherModules bi,
IPI.importDirs = [if inplace then build_dir else libdir],
IPI.libraryDirs = (if inplace then build_dir else libdir)
: extraLibDirs bi,
IPI.hsLibraries = ["HS" ++ showPackageId (package pkg_descr)],
IPI.extraLibraries = extraLibs bi,
IPI.includeDirs = absinc
++ if inplace
then map (pwd `joinFileName`) relinc
else [incdir],
IPI.includes = includes bi ++ map (snd.splitFileName)
(installIncludes bi),
IPI.depends = packageDeps lbi,
IPI.hugsOptions = concat [opts | (Hugs,opts) <- options bi],
IPI.ccOptions = ccOptions bi,
IPI.ldOptions = ldOptions bi,
IPI.frameworkDirs = [],
IPI.frameworks = frameworks bi,
IPI.haddockInterfaces = [haddockFile],
IPI.haddockHTMLs = [haddockDir]
}
-- -----------------------------------------------------------------------------
-- Unregistration
unregister :: PackageDescription -> LocalBuildInfo -> RegisterFlags -> IO ()
unregister pkg_descr lbi regFlags = do
setupMessage "Unregistering" pkg_descr
let ghc_63_plus = compilerVersion (compiler lbi) >= Version [6,3] []
genScript = regGenScript regFlags
verbose = regVerbose regFlags
user = regUser regFlags `userOverride` userConf lbi
case compilerFlavor (compiler lbi) of
GHC -> do
config_flags <-
if user
then if ghc_63_plus
then return ["--user"]
else do
instConfExists <- doesFileExist installedPkgConfigFile
localConf <- GHC.localPackageConfig
unless instConfExists (userPkgConfErr localConf)
return ["--config-file=" ++ localConf]
else return []
let removeCmd = if ghc_63_plus
then ["unregister",showPackageId (package pkg_descr)]
else ["--remove-package="++(pkgName $ package pkg_descr)]
let pkgTool = case regWithHcPkg regFlags of
Just f -> f
Nothing -> compilerPkgTool (compiler lbi)
rawSystemEmit unregScriptLocation genScript verbose pkgTool
(removeCmd++config_flags)
Hugs -> do
try $ removeDirectoryRecursive (hugsPackageDir pkg_descr lbi)
return ()
_ ->
die ("only unregistering with GHC and Hugs is implemented")
-- |Like rawSystemExit, but optionally emits to a script instead of
-- exiting. FIX: chmod +x?
rawSystemEmit :: FilePath -- ^Script name
-> Bool -- ^if true, emit, if false, run
-> Int -- ^Verbosity
-> FilePath -- ^Program to run
-> [String] -- ^Args
-> IO ()
rawSystemEmit _ False verbosity path args
= rawSystemExit verbosity path args
rawSystemEmit scriptName True verbosity path args = do
writeFile scriptName ("#!/bin/sh\n\n"
++ (path ++ concatMap (' ':) args)
++ "\n")
p <- getPermissions scriptName
setPermissions scriptName p{executable=True}
-- |Like rawSystemEmit, except it has string for pipeFrom. FIX: chmod +x
rawSystemPipe :: FilePath -- ^Script location
-> Int -- ^Verbosity
-> String -- ^where to pipe from
-> FilePath -- ^Program to run
-> [String] -- ^Args
-> IO ()
rawSystemPipe scriptName verbose pipeFrom path args = do
writeFile scriptName ("#!/bin/sh\n\n"
++ "echo '" ++ pipeFrom
++ "' | "
++ (path ++ concatMap (' ':) args)
++ "\n")
p <- getPermissions scriptName
setPermissions scriptName p{executable=True}
-- ------------------------------------------------------------
-- * Testing
-- ------------------------------------------------------------
|