working on output

src/github/build-agent.ts

@@ -105,6 +105,10 @@ public Stats;
         return this.getVariable("GITHUB_WORKSPACE");
     }
 
+    public setOutput(name: string, value: string): void {
+        core.setOutput(name, value);
+    }
+
     public getInput(input: string, required?: boolean): string {
         return core.getInput(input,  { required } as core.InputOptions);
     }

src/github/execute.ts

@@ -11,9 +11,15 @@ export async function run() {
     try {
         const inputOptions: IGitVersionOptions = getGitVersionOptions();
 
-        await gitVersionTool.run(inputOptions);
+        const result = await gitVersionTool.run(inputOptions);
+        console.log(result.stdout);
+
+        if (result.code === 0) {
+            buildAgent.setSucceeded("GitVersion executed successfully", true);
+        } else {
+            buildAgent.setFailed(result.error.message, true);
+        }
 
-        buildAgent.setSucceeded("GitVersion installed successfully", true);
     } catch (error) {
         buildAgent.setFailed(error, true);
     }