parsePkgInfo :: String -> Hsenv PackageIdentifier
parsePkgInfo s = case Util.Cabal.parsePkgInfo s of
                   Nothing      -> throwError $ HsenvException $ "Couldn't parse package identifier " ++ s
                   Just pkgInfo -> return pkgInfo
parsePkgInfo :: String -> Hsenv PackageIdentifier
parsePkgInfo s = case Util.Cabal.parsePkgInfo s of
                   Nothing      -> throwError $ HsenvException $ "Couldn't parse package identifier " ++ s
                   Just pkgInfo -> return pkgInfo
parsePkgInfo s = case Util.Cabal.parsePkgInfo s of
                   Nothing      -> throwError $ HsenvException $ "Couldn't parse package identifier " ++ s
                   Just pkgInfo -> return pkgInfo