Some fixes

Author: hasufell

src/hlsBinaries.ts

@@ -102,7 +102,6 @@ async function callAsync(
    let newEnv: IEnvVars = await resolveServerEnvironmentPATH(workspace.getConfiguration('haskell').get('serverEnvironment') || {});
    newEnv = {...process.env as IEnvVars, ...newEnv};
    newEnv = {...newEnv, ...(envAdd || {})};
-   logger.info(`newEnv: ${newEnv.PATH!.split(':')}`);
   return window.withProgress(
     {
       location: ProgressLocation.Notification,
@@ -255,7 +254,7 @@ export async function findHaskellLanguageServer(
       ? await getLatestToolFromGHCup(context, logger, 'stack')
       : null;
     const recGHC =
-      !executableExists('ghc') && (workspace.getConfiguration('haskell').get('installGHC') as boolean)
+      (!(await executableExists('ghc')) && (workspace.getConfiguration('haskell').get('installGHC') as boolean))
         ? await getLatestAvailableToolFromGHCup(context, logger, 'ghc', 'recommended')
         : null;
 

src/utils.ts

@@ -333,10 +333,10 @@ export async function addPathToProcessPath(extraPath: string, logger: Logger): P
 
 export async function resolveServerEnvironmentPATH(serverEnv: IEnvVars): Promise<IEnvVars> {
   const pathSep = process.platform === 'win32' ? ';' : ':';
-  const path: string[] = serverEnv.PATH.split(pathSep).map((p) => resolvePATHPlaceHolders(p));
+  const path: string[] | null = serverEnv.PATH ? serverEnv.PATH.split(pathSep).map((p) => resolvePATHPlaceHolders(p)) : null;
   return {
     ...serverEnv,
-    ...{ PATH: path.join(pathSep)}
+    ...(path ? { PATH: path.join(pathSep)} : {})
   }
 }