Possible fix for issue on osx (#1338)

I believe OSX was unhappy with the empty string in the list, while
ubuntu and windows were okay with it. Also added logic to make sure if
the command fails the plugin doesn't try to split null.

closes #1336

Author: belav

Src/CSharpier.Rider/.prettierrc.yaml

@@ -1,4 +1,4 @@
 printWidth: 100
 tabWidth: 4
 plugins:
-  - prettier-plugin-java
+  - prettier-plugin-java

Src/CSharpier.Rider/CHANGELOG.md

@@ -2,6 +2,9 @@
 
 # csharpier-rider Changelog
 
+## [1.8.1]
+- Possible fix for issue with OSX not being able to run dotnet tool list command
+
 ## [1.8.0]
 - Use dotnet tool list to find both local and global installs of csharpier.
 

Src/CSharpier.Rider/gradle.properties

@@ -3,7 +3,7 @@
 
 pluginGroup = com.intellij.csharpier
 pluginName = csharpier
-pluginVersion = 1.8.0
+pluginVersion = 1.8.1
 
 # See https://plugins.jetbrains.com/docs/intellij/build-number-ranges.html
 # for insight into build numbers and IntelliJ Platform versions.

Src/CSharpier.Rider/src/main/java/com/intellij/csharpier/CSharpierProcessProvider.java

@@ -141,17 +141,21 @@ private String findCSharpierVersionInToolOutput(
         String directoryThatContainsFile,
         boolean isGlobal
     ) {
-        var command = List.of("tool", "list", (isGlobal ? "-g" : ""));
+        var command = isGlobal ? List.of("tool", "list", "-g") : List.of("tool", "list");
         var output = DotNetProvider.getInstance(this.project).execDotNet(
             command,
             new File(directoryThatContainsFile)
         );
 
         this.logger.debug(
                 "Running 'dotnet tool list" + (isGlobal ? "-g" : "") + "' to look for version"
-            );
+        );
         this.logger.debug("Output was: \n " + output);
 
+        if (output == null) {
+            return null;
+        }
+
         var lines = Arrays.stream(output.split("\n"))
             .map(String::trim)
             .filter(line -> !line.isEmpty())