Impl separated

src/restoreImpl.ts

@@ -0,0 +1,79 @@
+import * as cache from "@actions/cache";
+import * as core from "@actions/core";
+
+import { Events, Inputs, State, Variables } from "./constants";
+import * as utils from "./utils/actionUtils";
+
+async function run(): Promise<void> {
+    try {
+        if (!utils.isCacheFeatureAvailable()) {
+            utils.setCacheHitOutput(false);
+            return;
+        }
+
+        // Validate inputs, this can cause task failure
+        if (!utils.isValidEvent()) {
+            utils.logWarning(
+                `Event Validation Error: The event type ${
+                    process.env[Events.Key]
+                } is not supported because it's not tied to a branch or tag ref.`
+            );
+            return;
+        }
+
+        const primaryKey = core.getInput(Inputs.Key, { required: true });
+        core.saveState(State.CachePrimaryKey, primaryKey);
+
+        const restoreKeys = utils.getInputAsArray(Inputs.RestoreKeys);
+        const cachePaths = utils.getInputAsArray(Inputs.Path, {
+            required: true
+        });
+
+        const cacheKey = await cache.restoreCache(
+            cachePaths,
+            primaryKey,
+            restoreKeys
+        );
+
+        //Check if user wants to save cache despite of failure in any previous job
+        const saveCache = core.getInput(Inputs.SaveOnAnyFailure);
+        if (saveCache === "yes") {
+            core.debug(`save cache input variable is set to yes`);
+            core.exportVariable(Variables.SaveCacheOnAnyFailure, saveCache);
+            core.info(
+                `Input Variable ${Variables.SaveCacheOnAnyFailure} is set to yes, the cache will be saved despite of any failure in the build.`
+            );
+        }
+
+        if (!cacheKey) {
+            if (core.getInput(Inputs.StrictRestore) == "yes") {
+                throw new Error(
+                    `Cache with the given input key ${primaryKey} is not found, hence exiting the workflow as the strict-restore requirement is not met.`
+                );
+            }
+            core.info(
+                `Cache not found for input keys: ${[
+                    primaryKey,
+                    ...restoreKeys
+                ].join(", ")}`
+            );
+            return;
+        }
+        // Store the matched cache key
+        utils.setCacheState(cacheKey);
+
+        const isExactKeyMatch = utils.isExactKeyMatch(primaryKey, cacheKey);
+        utils.setCacheHitOutput(isExactKeyMatch);
+
+        if (!isExactKeyMatch && core.getInput(Inputs.StrictRestore) == "yes") {
+            throw new Error(
+                `Restored cache key doesn't match the given input key ${primaryKey}, hence exiting the workflow as the strict-restore requirement is not met.`
+            );
+        }
+        core.info(`Cache restored from key: ${cacheKey}`);
+    } catch (error: unknown) {
+        core.setFailed((error as Error).message);
+    }
+}
+
+export default run;