Prune cache before saving

dist/save-cache/index.js

@@ -82889,6 +82889,7 @@ Object.defineProperty(exports, "__esModule", ({ value: true }));
 exports.run = void 0;
 const cache = __importStar(__nccwpck_require__(7799));
 const core = __importStar(__nccwpck_require__(2186));
+const exec = __importStar(__nccwpck_require__(1514));
 const restore_cache_1 = __nccwpck_require__(1898);
 const inputs_1 = __nccwpck_require__(9378);
 function run() {
@@ -82915,15 +82916,25 @@ function saveCache() {
             return;
         }
         else if (matchedKey === cacheKey) {
-            // no change in target directories
             core.info(`Cache hit occurred on key ${cacheKey}, not saving cache.`);
             return;
         }
+        yield pruneCache();
         core.info(`Saving cache path: ${inputs_1.cacheLocalPath}`);
         yield cache.saveCache([inputs_1.cacheLocalPath], cacheKey);
         core.info(`cache saved with the key: ${cacheKey}`);
     });
 }
+function pruneCache() {
+    return __awaiter(this, void 0, void 0, function* () {
+        const options = {
+            silent: !core.isDebug()
+        };
+        const execArgs = ['cache', 'prune', '--ci'];
+        core.info('Pruning cache...');
+        yield exec.exec('uv', execArgs, options);
+    });
+}
 run();
 
 

src/save-cache.ts

@@ -1,5 +1,6 @@
 import * as cache from '@actions/cache'
 import * as core from '@actions/core'
+import * as exec from '@actions/exec'
 import {STATE_CACHE_MATCHED_KEY, STATE_CACHE_KEY} from './cache/restore-cache'
 import {cacheLocalPath, enableCache} from './utils/inputs'
 
@@ -23,14 +24,26 @@ async function saveCache(): Promise<void> {
     core.warning('Error retrieving cache key from state.')
     return
   } else if (matchedKey === cacheKey) {
-    // no change in target directories
     core.info(`Cache hit occurred on key ${cacheKey}, not saving cache.`)
     return
   }
+
+  await pruneCache()
+
   core.info(`Saving cache path: ${cacheLocalPath}`)
   await cache.saveCache([cacheLocalPath], cacheKey)
 
   core.info(`cache saved with the key: ${cacheKey}`)
 }
 
+async function pruneCache(): Promise<void> {
+  const options: exec.ExecOptions = {
+    silent: !core.isDebug()
+  }
+  const execArgs = ['cache', 'prune', '--ci']
+
+  core.info('Pruning cache...')
+  await exec.exec('uv', execArgs, options)
+}
+
 run()