Use a properties file to disable daemon execution

Instead of passing `--no-daemon` on the command line, the same
functionality is now acheived by writing a gradle.properties file
when initializing Gradle User Home.

src/cache-base.ts

@@ -146,7 +146,8 @@ export abstract class AbstractCache {
         const cacheResult = await this.restoreCache(this.getCachePath(), cacheKey.key, cacheKey.restoreKeys)
 
         if (!cacheResult) {
-            core.info(`${this.cacheDescription} cache not found. Will start with empty.`)
+            core.info(`${this.cacheDescription} cache not found. Will initialize empty.`)
+            await this.initializeState()
             return
         }
 
@@ -181,6 +182,8 @@ export abstract class AbstractCache {
         }
     }
 
+    protected async initializeState(): Promise<void> {}
+
     protected async afterRestore(_listener: CacheListener): Promise<void> {}
 
     async save(listener: CacheListener): Promise<void> {

src/cache-gradle-user-home.ts

@@ -22,6 +22,18 @@ export class GradleUserHomeCache extends AbstractCache {
         this.gradleUserHome = this.determineGradleUserHome(rootDir)
     }
 
+    async initializeState(): Promise<void> {
+        this.initializeGradleUserHome(this.gradleUserHome)
+    }
+
+    private initializeGradleUserHome(gradleUserHome: string): void {
+        fs.mkdirSync(gradleUserHome, {recursive: true})
+
+        const propertiesFile = path.resolve(gradleUserHome, 'gradle.properties')
+        this.debug(`Initializing gradle.properties to disable daemon: ${propertiesFile}`)
+        fs.writeFileSync(propertiesFile, 'org.gradle.daemon=false')
+    }
+
     async afterRestore(listener: CacheListener): Promise<void> {
         await this.reportGradleUserHomeSize('as restored from cache')
         await this.restoreArtifactBundles(listener)

src/execution.ts

@@ -6,9 +6,6 @@ import {writeInitScript} from './build-scan-capture'
 export async function execute(executable: string, root: string, args: string[]): Promise<BuildResult> {
     let buildScanUrl: string | undefined
 
-    // TODO: instead of running with no-daemon, run `--stop` in post action.
-    args.push('--no-daemon')
-
     const initScript = writeInitScript()
     args.push('--init-script')
     args.push(initScript)