diff options
author | Daniel Gröber <dxld@darkboxed.org> | 2018-12-15 23:02:29 +0100 |
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committer | Daniel Gröber <dxld@darkboxed.org> | 2019-01-22 03:06:51 +0100 |
commit | 66ff20ada55558ab1fda09f22f4f6f6de0736136 (patch) | |
tree | 34e8d4ad4c1f20e838993aebf2d81e460702da08 /src/CabalHelper/Shared | |
parent | f958f2d07e8cd213014bff98de5e305e7ce84608 (diff) |
Move Shared.Sandbox module to Compiletime.
Diffstat (limited to 'src/CabalHelper/Shared')
-rw-r--r-- | src/CabalHelper/Shared/Sandbox.hs | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/src/CabalHelper/Shared/Sandbox.hs b/src/CabalHelper/Shared/Sandbox.hs deleted file mode 100644 index d2172a2..0000000 --- a/src/CabalHelper/Shared/Sandbox.hs +++ /dev/null @@ -1,74 +0,0 @@ --- cabal-helper: Simple interface to Cabal's configuration state --- Copyright (C) 2015-2017 Daniel Gröber <cabal-helper@dxld.at> --- --- This program is free software: you can redistribute it and/or modify --- it under the terms of the GNU General Public License as published by --- the Free Software Foundation, either version 3 of the License, or --- (at your option) any later version. --- --- This program is distributed in the hope that it will be useful, --- but WITHOUT ANY WARRANTY; without even the implied warranty of --- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the --- GNU General Public License for more details. --- --- You should have received a copy of the GNU General Public License --- along with this program. If not, see <http://www.gnu.org/licenses/>. - -{-| -Module : CabalHelper.Shared.Sandbox -Description : Extracting information from @cabal.sandbox.config@ files -License : GPL-3 --} - -module CabalHelper.Shared.Sandbox where - -import Control.Applicative -import Data.Char -import Data.Maybe -import Data.List -import Data.Version -import System.FilePath -import Prelude - -import qualified Data.Traversable as T - -import CabalHelper.Shared.Common - --- | Get the path to the sandbox package-db in a project -getSandboxPkgDb :: String - -- ^ Cabal build platform, i.e. @buildPlatform@ - -> Version - -- ^ GHC version (@cProjectVersion@ is your friend) - -> FilePath - -- ^ Path to the cabal package root directory (containing the - -- @cabal.sandbox.config@ file) - -> IO (Maybe FilePath) -getSandboxPkgDb platform ghcVer projdir = do - mConf <- - T.traverse readFile =<< mightExist (projdir </> "cabal.sandbox.config") - return $ fixPkgDbVer <$> (extractSandboxDbDir =<< mConf) - - where - fixPkgDbVer dir = - case takeFileName dir == ghcSandboxPkgDbDir platform ghcVer of - True -> dir - False -> takeDirectory dir </> ghcSandboxPkgDbDir platform ghcVer - -ghcSandboxPkgDbDir :: String -> Version -> String -ghcSandboxPkgDbDir platform ghcVer = - platform ++ "-ghc-" ++ showVersion ghcVer ++ "-packages.conf.d" - --- | Extract the sandbox package db directory from the cabal.sandbox.config --- file. Exception is thrown if the sandbox config file is broken. -extractSandboxDbDir :: String -> Maybe FilePath -extractSandboxDbDir conf = extractValue <$> parse conf - where - key = "package-db:" - keyLen = length key - - parse = listToMaybe . filter (key `isPrefixOf`) . lines - extractValue = CabalHelper.Shared.Sandbox.dropWhileEnd isSpace . dropWhile isSpace . drop keyLen - --- dropWhileEnd is not provided prior to base 4.5.0.0. -dropWhileEnd :: (a -> Bool) -> [a] -> [a] -dropWhileEnd p = foldr (\x xs -> if p x && null xs then [] else x : xs) [] |