Enable caching by default with default input (#332)

src/cache-save.ts

@@ -23,7 +23,7 @@ export async function run() {
     if (typeof error === 'string') {
       message = error;
     }
-    core.setFailed(message);
+    core.warning(message);
   }
 }
 
@@ -59,6 +59,13 @@ const cachePackages = async () => {
     );
   }
 
+  if (!primaryKey) {
+    core.info(
+      'Primary key was not generated. Please check the log messages above for more errors or information'
+    );
+    return;
+  }
+
   if (primaryKey === state) {
     core.info(
       `Cache hit occurred on the primary key ${primaryKey}, not saving cache.`

src/cache-utils.ts

@@ -34,13 +34,23 @@ export const getPackageManagerInfo = async (packageManager: string) => {
 export const getCacheDirectoryPath = async (
   packageManagerInfo: PackageManagerInfo
 ) => {
-  const pathList = await Promise.all(
+  const pathOutputs = await Promise.allSettled(
     packageManagerInfo.cacheFolderCommandList.map(async command =>
       getCommandOutput(command)
     )
   );
 
-  const cachePaths = pathList.filter(item => item);
+  const results = pathOutputs.map(item => {
+    if (item.status === 'fulfilled') {
+      return item.value;
+    } else {
+      core.info(`[warning]getting cache directory path failed: ${item.reason}`);
+    }
+
+    return '';
+  });
+
+  const cachePaths = results.filter(item => item);
 
   if (!cachePaths.length) {
     throw new Error(`Could not get cache folder paths.`);

src/main.ts

@@ -62,11 +62,15 @@ export async function run() {
     if (cache && isCacheFeatureAvailable()) {
       const packageManager = 'default';
       const cacheDependencyPath = core.getInput('cache-dependency-path');
-      await restoreCache(
-        parseGoVersion(goVersion),
-        packageManager,
-        cacheDependencyPath
-      );
+      try {
+        await restoreCache(
+          parseGoVersion(goVersion),
+          packageManager,
+          cacheDependencyPath
+        );
+      } catch (error) {
+        core.warning(`Restore cache failed: ${error.message}`);
+      }
     }
 
     // add problem matchers