Combine all sources into a sub-directory

sources/src/execution.ts

@@ -0,0 +1,17 @@
+import * as core from '@actions/core'
+import * as exec from '@actions/exec'
+import * as gradlew from './gradlew'
+
+export async function executeGradleBuild(executable: string | undefined, root: string, args: string[]): Promise<void> {
+    // Use the provided executable, or look for a Gradle wrapper script to run
+    const toExecute = executable ?? gradlew.gradleWrapperScript(root)
+
+    const status: number = await exec.exec(toExecute, args, {
+        cwd: root,
+        ignoreReturnCode: true
+    })
+
+    if (status !== 0) {
+        core.setFailed(`Gradle build failed: see console output for details`)
+    }
+}