Add force-download option for reproducible JDK builds (#1148)

* Initial plan

* Add force-download input

* Build force-download action bundles

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: Bruno Borges <brborges@microsoft.com>

src/constants.ts

@@ -7,6 +7,7 @@ export const INPUT_DISTRIBUTION = 'distribution';
 export const INPUT_JDK_FILE = 'jdk-file';
 export const INPUT_JDK_FILE_DEPRECATED = 'jdkFile';
 export const INPUT_CHECK_LATEST = 'check-latest';
+export const INPUT_FORCE_DOWNLOAD = 'force-download';
 export const INPUT_SET_DEFAULT = 'set-default';
 export const INPUT_PROBLEM_MATCHER = 'problem-matcher';
 export const INPUT_VERIFY_SIGNATURE = 'verify-signature';

src/distributions/base-installer.ts

@@ -25,6 +25,7 @@ export abstract class JavaBase {
   protected stable: boolean;
   protected latest: boolean;
   protected checkLatest: boolean;
+  protected forceDownload: boolean;
   protected setDefault: boolean;
   protected verifySignature: boolean;
   protected verifySignaturePublicKey: string | undefined;
@@ -46,6 +47,7 @@ export abstract class JavaBase {
     this.architecture = installerOptions.architecture || os.arch();
     this.packageType = installerOptions.packageType;
     this.checkLatest = installerOptions.checkLatest;
+    this.forceDownload = installerOptions.forceDownload ?? false;
     this.setDefault =
       installerOptions.setDefault !== undefined
         ? installerOptions.setDefault
@@ -68,7 +70,7 @@ export abstract class JavaBase {
       );
     }
 
-    let foundJava = this.findInToolcache();
+    let foundJava = this.forceDownload ? null : this.findInToolcache();
     if (foundJava && !this.checkLatest && !this.latest) {
       core.info(`Resolved Java ${foundJava.version} from tool-cache`);
     } else {
@@ -91,7 +93,10 @@ export abstract class JavaBase {
           }
           const javaRelease = await this.findPackageForDownload(this.version);
           core.info(`Resolved latest version as ${javaRelease.version}`);
-          if (foundJava?.version === javaRelease.version) {
+          if (
+            !this.forceDownload &&
+            foundJava?.version === javaRelease.version
+          ) {
             core.info(`Resolved Java ${foundJava.version} from tool-cache`);
           } else {
             core.info('Trying to download...');

src/distributions/base-models.ts

@@ -3,6 +3,7 @@ export interface JavaInstallerOptions {
   architecture: string;
   packageType: string;
   checkLatest: boolean;
+  forceDownload?: boolean;
   setDefault?: boolean;
   verifySignature?: boolean;
   verifySignaturePublicKey?: string;

src/distributions/local/installer.ts

@@ -28,7 +28,7 @@ export class LocalDistribution extends JavaBase {
       );
     }
 
-    let foundJava = this.findInToolcache();
+    let foundJava = this.forceDownload ? null : this.findInToolcache();
 
     if (foundJava) {
       core.info(`Resolved Java ${foundJava.version} from tool-cache`);

src/setup-java.ts

@@ -29,6 +29,10 @@ async function run() {
       constants.INPUT_CACHE_DEPENDENCY_PATH
     );
     const checkLatest = getBooleanInput(constants.INPUT_CHECK_LATEST, false);
+    const forceDownload = getBooleanInput(
+      constants.INPUT_FORCE_DOWNLOAD,
+      false
+    );
     const setDefault = getBooleanInput(constants.INPUT_SET_DEFAULT, true);
     const verifySignature = getBooleanInput(
       constants.INPUT_VERIFY_SIGNATURE,
@@ -83,6 +87,7 @@ async function run() {
         architecture,
         packageType,
         checkLatest,
+        forceDownload,
         setDefault,
         verifySignature,
         verifySignaturePublicKey,
@@ -102,6 +107,7 @@ async function run() {
         architecture,
         packageType,
         checkLatest,
+        forceDownload,
         setDefault,
         verifySignature,
         verifySignaturePublicKey,
@@ -159,6 +165,7 @@ async function installVersion(
     architecture,
     packageType,
     checkLatest,
+    forceDownload,
     setDefault,
     verifySignature,
     verifySignaturePublicKey,
@@ -169,6 +176,7 @@ async function installVersion(
     architecture,
     packageType,
     checkLatest,
+    forceDownload,
     setDefault,
     verifySignature,
     verifySignaturePublicKey,
@@ -212,6 +220,7 @@ interface installerInputsOptions {
   architecture: string;
   packageType: string;
   checkLatest: boolean;
+  forceDownload: boolean;
   setDefault: boolean;
   verifySignature: boolean;
   verifySignaturePublicKey: string | undefined;