Add support for JetBrains' Amper build/cache

The Amper build system uses `.cache/Amper/` for its dependencies, and
also (currently) uses some `.gradle/` folders for Android builds.

README.md

@@ -14,6 +14,7 @@ The `setup-java` action provides the following functionality for GitHub Actions
 - Caching dependencies managed by Apache Maven.
 - Caching dependencies managed by Gradle.
 - Caching dependencies managed by sbt.
+- Caching dependencies managed by Amper.
 - [Maven Toolchains declaration](https://maven.apache.org/guides/mini/guide-using-toolchains.html) for specified JDK versions.
 
 This action allows you to work with Java and Scala projects.

__tests__/cache.test.ts

@@ -201,6 +201,60 @@ describe('dependency cache', () => {
         expect(firstCall).not.toBe(thirdCall);
       });
     });
+    describe('for amper', () => {
+      it('throws error if no module.xml found', async () => {
+        await expect(restore('amper', '')).rejects.toThrow(
+          `No file in ${projectRoot(
+            workspace
+          )} matched to [**/module.xml,amper,amper.bat,gradle/*.versions.toml], make sure you have checked out the target repository`
+        );
+      });
+      it('downloads cache based on module.xml', async () => {
+        createFile(join(workspace, 'module.xml'));
+
+        await restore('amper', '');
+        expect(spyCacheRestore).toHaveBeenCalled();
+        expect(spyGlobHashFiles).toHaveBeenCalledWith(
+          '**/module.xml\namper\namper.bat\ngradle/*.versions.toml'
+        );
+        expect(spyWarning).not.toHaveBeenCalled();
+        expect(spyInfo).toHaveBeenCalledWith('amper cache is not found');
+      });
+      it('downloads cache based on amper script', async () => {
+        createFile(join(workspace, 'amper'));
+
+        await restore('amper', '');
+        expect(spyCacheRestore).toHaveBeenCalled();
+        expect(spyGlobHashFiles).toHaveBeenCalledWith(
+          '**/module.xml\namper\namper.bat\ngradle/*.versions.toml'
+        );
+        expect(spyWarning).not.toHaveBeenCalled();
+        expect(spyInfo).toHaveBeenCalledWith('amper cache is not found');
+      });
+      it('downloads cache based on amper.bat script', async () => {
+        createFile(join(workspace, 'amper.bat'));
+
+        await restore('amper', '');
+        expect(spyCacheRestore).toHaveBeenCalled();
+        expect(spyGlobHashFiles).toHaveBeenCalledWith(
+          '**/module.xml\namper\namper.bat\ngradle/*.versions.toml'
+        );
+        expect(spyWarning).not.toHaveBeenCalled();
+        expect(spyInfo).toHaveBeenCalledWith('amper cache is not found');
+      });
+      it('downloads cache based on gradle/libs.versions.toml', async () => {
+        createDirectory(join(workspace, 'gradle'));
+        createFile(join(workspace, 'gradle', 'libs.versions.toml'));
+
+        await restore('amper', '');
+        expect(spyCacheRestore).toHaveBeenCalled();
+        expect(spyGlobHashFiles).toHaveBeenCalledWith(
+          '**/module.xml\namper\namper.bat\ngradle/*.versions.toml'
+        );
+        expect(spyWarning).not.toHaveBeenCalled();
+        expect(spyInfo).toHaveBeenCalledWith('amper cache is not found');
+      });
+    });
     it('downloads cache based on versions.properties', async () => {
       createFile(join(workspace, 'versions.properties'));
 
@@ -419,6 +473,68 @@ describe('dependency cache', () => {
         );
       });
     });
+    describe('for amper', () => {
+      it('uploads cache even if no module.xml found', async () => {
+        createStateForMissingBuildFile();
+        await save('amper');
+        expect(spyCacheSave).toHaveBeenCalled();
+        expect(spyWarning).not.toHaveBeenCalled();
+      });
+      it('does not upload cache if no restore run before', async () => {
+        createFile(join(workspace, 'module.xml'));
+
+        await save('amper');
+        expect(spyCacheSave).not.toHaveBeenCalled();
+        expect(spyWarning).toHaveBeenCalledWith(
+          'Error retrieving key from state.'
+        );
+      });
+      it('uploads cache based on module.xml', async () => {
+        createFile(join(workspace, 'module.xml'));
+        createStateForSuccessfulRestore();
+
+        await save('amper');
+        expect(spyCacheSave).toHaveBeenCalled();
+        expect(spyWarning).not.toHaveBeenCalled();
+        expect(spyInfo).toHaveBeenCalledWith(
+          expect.stringMatching(/^Cache saved with the key:.*/)
+        );
+      });
+      it('uploads cache based on amper script', async () => {
+        createFile(join(workspace, 'amper'));
+        createStateForSuccessfulRestore();
+
+        await save('amper');
+        expect(spyCacheSave).toHaveBeenCalled();
+        expect(spyWarning).not.toHaveBeenCalled();
+        expect(spyInfo).toHaveBeenCalledWith(
+          expect.stringMatching(/^Cache saved with the key:.*/)
+        );
+      });
+      it('uploads cache based on amper.bat script', async () => {
+        createFile(join(workspace, 'amper.bat'));
+        createStateForSuccessfulRestore();
+
+        await save('amper');
+        expect(spyCacheSave).toHaveBeenCalled();
+        expect(spyWarning).not.toHaveBeenCalled();
+        expect(spyInfo).toHaveBeenCalledWith(
+          expect.stringMatching(/^Cache saved with the key:.*/)
+        );
+      });
+      it('uploads cache based on gradle/libs.versions.toml', async () => {
+        createDirectory(join(workspace, 'gradle'));
+        createFile(join(workspace, 'gradle', 'libs.versions.toml'));
+        createStateForSuccessfulRestore();
+
+        await save('amper');
+        expect(spyCacheSave).toHaveBeenCalled();
+        expect(spyWarning).not.toHaveBeenCalled();
+        expect(spyInfo).toHaveBeenCalledWith(
+          expect.stringMatching(/^Cache saved with the key:.*/)
+        );
+      });
+    });
   });
 });
 

action.yml

@@ -54,7 +54,7 @@ inputs:
        $GPG_PASSPHRASE.'
     required: false
   cache:
-    description: 'Name of the build platform to cache dependencies. It can be "maven", "gradle" or "sbt".'
+    description: 'Name of the build platform to cache dependencies. It can be "maven", "gradle", "sbt", or "amper".'
     required: false
   cache-dependency-path:
     description: 'The path to a dependency file: pom.xml, build.gradle, build.sbt, etc. This option can be used with the `cache` option. If this option is omitted, the action searches for the dependency file in the entire repository. This option supports wildcards and a list of file names for caching multiple dependencies.'

dist/cleanup/index.js

@@ -93140,6 +93140,15 @@ const supportedPackageManager = [
             '**/project/**.scala',
             '**/project/**.sbt'
         ]
+    },
+    {
+        id: 'amper',
+        path: [
+            (0, path_1.join)(os_1.default.homedir(), '.cache', 'Amper'),
+            (0, path_1.join)(os_1.default.homedir(), '.gradle', 'caches'),
+            (0, path_1.join)(os_1.default.homedir(), '.gradle', 'wrapper')
+        ],
+        pattern: ['**/module.xml', 'amper', 'amper.bat', 'gradle/*.versions.toml']
     }
 ];
 function getCoursierCachePath() {

dist/setup/index.js

@@ -128389,6 +128389,15 @@ const supportedPackageManager = [
             '**/project/**.scala',
             '**/project/**.sbt'
         ]
+    },
+    {
+        id: 'amper',
+        path: [
+            (0, path_1.join)(os_1.default.homedir(), '.cache', 'Amper'),
+            (0, path_1.join)(os_1.default.homedir(), '.gradle', 'caches'),
+            (0, path_1.join)(os_1.default.homedir(), '.gradle', 'wrapper')
+        ],
+        pattern: ['**/module.xml', 'amper', 'amper.bat', 'gradle/*.versions.toml']
     }
 ];
 function getCoursierCachePath() {

src/cache.ts

@@ -13,7 +13,7 @@ const CACHE_MATCHED_KEY = 'cache-matched-key';
 const CACHE_KEY_PREFIX = 'setup-java';
 
 interface PackageManager {
-  id: 'maven' | 'gradle' | 'sbt';
+  id: 'maven' | 'gradle' | 'sbt' | 'amper';
   /**
    * Paths of the file that specify the files to cache.
    */
@@ -60,6 +60,15 @@ const supportedPackageManager: PackageManager[] = [
       '**/project/**.scala',
       '**/project/**.sbt'
     ]
+  },
+  {
+    id: 'amper',
+    path: [
+      join(os.homedir(), '.cache', 'Amper'),
+      join(os.homedir(), '.gradle', 'caches'),
+      join(os.homedir(), '.gradle', 'wrapper')
+    ],
+    pattern: ['**/module.xml', 'amper', 'amper.bat', 'gradle/*.versions.toml']
   }
 ];