Add ability to override some config via env vars

[lsp-test.git] / src / Language / Haskell / LSP / Test / Session.hs

diff --git a/src/Language/Haskell/LSP/Test/Session.hs b/src/Language/Haskell/LSP/Test/Session.hs
index 3426bcce47c66e105ddb235b13d308a92dcafe45..21c008643e95869badbe46daa67a1fe9bda9209c 100644 (file)
--- a/src/Language/Haskell/LSP/Test/Session.hs
+++ b/src/Language/Haskell/LSP/Test/Session.hs
@@ -91,8 +91,12 @@ instance MonadFail Session where
 -- | Stuff you can configure for a 'Session'.
 data SessionConfig = SessionConfig
   { messageTimeout :: Int  -- ^ Maximum time to wait for a message in seconds, defaults to 60.
-  , logStdErr      :: Bool -- ^ Redirect the server's stderr to this stdout, defaults to False.
-  , logMessages    :: Bool -- ^ Trace the messages sent and received to stdout, defaults to False.
+  , logStdErr      :: Bool
+  -- ^ Redirect the server's stderr to this stdout, defaults to False.
+  -- Can be overriden with @LSP_TEST_LOG_STDERR@.
+  , logMessages    :: Bool
+  -- ^ Trace the messages sent and received to stdout, defaults to False.
+  -- Can be overriden with the environment variable @LSP_TEST_LOG_MESSAGES@.
   , logColor       :: Bool -- ^ Add ANSI color to the logged messages, defaults to True.
   , lspConfig      :: Maybe Value -- ^ The initial LSP config as JSON value, defaults to Nothing.
   -- ^ Whether or not to ignore 'ShowMessageNotification' and 'LogMessageNotification', defaults to False.