Allow all events to access cache

src/constants.ts

@@ -33,3 +33,5 @@ export enum CompressionMethod {
 // over the socket during this period, the socket is destroyed and the download
 // is aborted.
 export const SocketTimeout = 5000;
+
+export const RefKey = "GITHUB_REF";

src/restore.ts

@@ -13,9 +13,7 @@ async function run(): Promise<void> {
             utils.logWarning(
                 `Event Validation Error: The event type ${
                     process.env[Events.Key]
-                } is not supported. Only ${utils
-                    .getSupportedEvents()
-                    .join(", ")} events are supported at this time.`
+                } is not supported because it's not tied to a branch or tag ref.`
             );
             return;
         }

src/save.ts

@@ -12,9 +12,7 @@ async function run(): Promise<void> {
             utils.logWarning(
                 `Event Validation Error: The event type ${
                     process.env[Events.Key]
-                } is not supported. Only ${utils
-                    .getSupportedEvents()
-                    .join(", ")} events are supported at this time.`
+                } is not supported because it's not tied to a branch or tag ref.`
             );
             return;
         }

src/utils/actionUtils.ts

@@ -7,13 +7,17 @@ import * as path from "path";
 import * as util from "util";
 import * as uuidV4 from "uuid/v4";
 
+<<<<<<< HEAD
 import {
     CacheFilename,
     CompressionMethod,
-    Events,
     Outputs,
+    RefKey,
     State
 } from "../constants";
+=======
+import { Outputs, RefKey, State } from "../constants";
+>>>>>>> Allow all events to access cache
 import { ArtifactCacheEntry } from "../contracts";
 
 // From https://github.com/actions/toolkit/blob/master/packages/tool-cache/src/tool-cache.ts#L23
@@ -108,16 +112,10 @@ export async function resolvePaths(patterns: string[]): Promise<string[]> {
     return paths;
 }
 
-export function getSupportedEvents(): string[] {
-    return [Events.Push, Events.PullRequest];
-}
-
-// Currently the cache token is only authorized for push and pull_request events
-// All other events will fail when reading and saving the cache
+// Cache token authorized for all events that are tied to a ref
 // See GitHub Context https://help.github.com/actions/automating-your-workflow-with-github-actions/contexts-and-expression-syntax-for-github-actions#github-context
 export function isValidEvent(): boolean {
-    const githubEvent = process.env[Events.Key] || "";
-    return getSupportedEvents().includes(githubEvent);
+    return RefKey in process.env;
 }
 
 export function unlinkFile(path: fs.PathLike): Promise<void> {