Canonicalize path to Cabal file, partially towards haskell#2994.

Signed-off-by: Edward Z. Yang <[email protected]>
ezyang · Dec 28, 2015 · f907f1a · f907f1a
1 parent 22b6aad
commit f907f1a
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/Cabal/Distribution/Simple.hs b/Cabal/Distribution/Simple.hs
@@ -107,7 +107,8 @@ import Distribution.Text
 -- Base
 import System.Environment(getArgs, getProgName)
 import System.Directory(removeFile, doesFileExist,
-                        doesDirectoryExist, removeDirectoryRecursive)
+                        doesDirectoryExist, removeDirectoryRecursive,
+                        canonicalizePath)
 import System.Exit       (exitWith,ExitCode(..))
 import System.FilePath(searchPathSeparator)
 import Distribution.Compat.Environment (getEnvironment)
@@ -232,7 +233,8 @@ configureAction hooks flags args = do
         case mdescr of
           Just descr -> return (Nothing, descr)
           Nothing -> do
-              pdfile <- defaultPackageDesc verbosity
+              pdfile0 <- defaultPackageDesc verbosity
+              pdfile <- canonicalizePath pdfile0
               descr  <- readPackageDescription verbosity pdfile
               return (Just pdfile, descr)