From fae2927552189bbf3c36e81e257715cf69ee4ffc Mon Sep 17 00:00:00 2001
From: Kengo TODA <skypencil@gmail.com>
Date: Tue, 20 Jul 2021 11:32:37 +0800
Subject: [PATCH] suggest users to run without daemon if fail to save Gradle
 cache on Windows

---
 dist/cleanup/index.js | 16 ++++++++++++++++
 dist/setup/index.js   | 16 ++++++++++++++++
 src/cache.ts          | 19 +++++++++++++++++++
 3 files changed, 51 insertions(+)

diff --git a/dist/cleanup/index.js b/dist/cleanup/index.js
index 613d2536..9c81d397 100644
--- a/dist/cleanup/index.js
+++ b/dist/cleanup/index.js
@@ -64623,12 +64623,28 @@ function save(id) {
                 core.info(error.message);
             }
             else {
+                if (isProbablyGradleDaemonProblem(packageManager, error)) {
+                    core.warning('Failed to save Gradle cache on Windows. If tar.exe reported "Permission denied", try to run Gradle with `--no-daemon` option. Refer to https://github.com/actions/cache/issues/454 for detail.');
+                }
                 throw error;
             }
         }
     });
 }
 exports.save = save;
+/**
+ * @param packageManager the specified package manager by user
+ * @param error the error thrown by the saveCache
+ * @returns true if the given error seems related to the {@link https://github.com/actions/cache/issues/454|running Gradle Daemon issue}.
+ * @see {@link https://github.com/actions/cache/issues/454#issuecomment-840493935|why --no-daemon is necessary}
+ */
+function isProbablyGradleDaemonProblem(packageManager, error) {
+    if (packageManager.id !== 'gradle' || process.env['RUNNER_OS'] !== 'Windows') {
+        return false;
+    }
+    const message = error.message || '';
+    return message.startsWith('Tar failed with error: ');
+}
 
 
 /***/ }),
diff --git a/dist/setup/index.js b/dist/setup/index.js
index d7e9e49b..be2109c7 100644
--- a/dist/setup/index.js
+++ b/dist/setup/index.js
@@ -19019,12 +19019,28 @@ function save(id) {
                 core.info(error.message);
             }
             else {
+                if (isProbablyGradleDaemonProblem(packageManager, error)) {
+                    core.warning('Failed to save Gradle cache on Windows. If tar.exe reported "Permission denied", try to run Gradle with `--no-daemon` option. Refer to https://github.com/actions/cache/issues/454 for detail.');
+                }
                 throw error;
             }
         }
     });
 }
 exports.save = save;
+/**
+ * @param packageManager the specified package manager by user
+ * @param error the error thrown by the saveCache
+ * @returns true if the given error seems related to the {@link https://github.com/actions/cache/issues/454|running Gradle Daemon issue}.
+ * @see {@link https://github.com/actions/cache/issues/454#issuecomment-840493935|why --no-daemon is necessary}
+ */
+function isProbablyGradleDaemonProblem(packageManager, error) {
+    if (packageManager.id !== 'gradle' || process.env['RUNNER_OS'] !== 'Windows') {
+        return false;
+    }
+    const message = error.message || '';
+    return message.startsWith('Tar failed with error: ');
+}
 
 
 /***/ }),
diff --git a/src/cache.ts b/src/cache.ts
index 3ac8d658..cc01dd56 100644
--- a/src/cache.ts
+++ b/src/cache.ts
@@ -110,7 +110,26 @@ export async function save(id: string) {
     if (error.name === cache.ReserveCacheError.name) {
       core.info(error.message);
     } else {
+      if (isProbablyGradleDaemonProblem(packageManager, error)) {
+        core.warning(
+          'Failed to save Gradle cache on Windows. If tar.exe reported "Permission denied", try to run Gradle with `--no-daemon` option. Refer to https://github.com/actions/cache/issues/454 for detail.'
+        );
+      }
       throw error;
     }
   }
 }
+
+/**
+ * @param packageManager the specified package manager by user
+ * @param error the error thrown by the saveCache
+ * @returns true if the given error seems related to the {@link https://github.com/actions/cache/issues/454|running Gradle Daemon issue}.
+ * @see {@link https://github.com/actions/cache/issues/454#issuecomment-840493935|why --no-daemon is necessary}
+ */
+function isProbablyGradleDaemonProblem(packageManager: PackageManager, error: Error) {
+  if (packageManager.id !== 'gradle' || process.env['RUNNER_OS'] !== 'Windows') {
+    return false;
+  }
+  const message = error.message || '';
+  return message.startsWith('Tar failed with error: ');
+}