Remove neutral exit code references

packages/core/README.md

@@ -43,18 +43,13 @@ core.addPath('pathToTool');
 
 #### Exit codes
 
-You should use this library to set the exit code for your action:
+You should use this library to set the failing exit code for your action:
 
 ```
 const core = require('@actions/core');
 
 try {
-  if (work to do) {
-    // Do work
-  } else {
-    // Set neutral indicates that the action terminated but did not fail (aka there was no work to be done)
-    core.setNeutral();
-  }
+  // Do stuff
 }
 catch (err) {
   // setFailed logs the message and sets a failing exit code

packages/core/src/core.ts

@@ -22,12 +22,7 @@ export enum ExitCode {
   /**
    * A code indicating that the action was a failure
    */
-  Failure = 1,
-
-  /**
-   * A code indicating that the action is complete, but neither succeeded nor failed
-   */
-  Neutral = 78
+  Failure = 1
 }
 
 //-----------------------------------------------------------------------
@@ -94,13 +89,6 @@ export function setOutput(name: string, value: string): void {
 // Results
 //-----------------------------------------------------------------------
 
-/**
- * Sets the action status to neutral
- */
-export function setNeutral(): void {
-  process.exitCode = ExitCode.Neutral
-}
-
 /**
  * Sets the action status to failed.
  * When the action exits it will be with an exit code of 1