Add option to re-evaluate cache key during post action

README.md

@@ -36,6 +36,7 @@ If you are using this inside a container, a POSIX-compliant `tar` needs to be in
 * `key` - An explicit key for restoring and saving the cache
 * `restore-keys` - An ordered list of prefix-matched keys to use for restoring stale cache if no cache hit occurred for key. Note
 `cache-hit` returns false in this case.
+* `reeval-key` - A boolean which causes the key to be re-evaluated during the Post-Action step
 
 #### Environment Variables
 * `SEGMENT_DOWNLOAD_TIMEOUT_MIN` - Segment download timeout (in minutes, default `60`) to abort download of the segment if not completed in the defined number of minutes. [Read more](#cache-segment-restore-timeout)

action.yml

@@ -14,6 +14,10 @@ inputs:
   upload-chunk-size:
     description: 'The chunk size used to split up large files during upload, in bytes'
     required: false
+  reeval-key:
+    description: 'Re-evaluate the cache key during the post-action'
+    required: false
+    default: false
 outputs:
   cache-hit:
     description: 'A boolean value to indicate an exact match was found for the primary key'

src/constants.ts

@@ -2,7 +2,8 @@ export enum Inputs {
     Key = "key",
     Path = "path",
     RestoreKeys = "restore-keys",
-    UploadChunkSize = "upload-chunk-size"
+    UploadChunkSize = "upload-chunk-size",
+    ReEvalKey = "reeval-key"
 }
 
 export enum Outputs {

src/save.ts

@@ -26,8 +26,9 @@ async function run(): Promise<void> {
 
         const state = utils.getCacheState();
 
-        // Inputs are re-evaluted before the post action, so we want the original key used for restore
-        const primaryKey = core.getState(State.CachePrimaryKey);
+        const primaryKey = core.getBooleanInput(Inputs.ReEvalKey)
+            ? core.getInput(Inputs.Key, { required: true })
+            : core.getState(State.CachePrimaryKey);
         if (!primaryKey) {
             utils.logWarning(`Error retrieving key from state.`);
             return;