gradle-build-action/src/post.ts

import * as core from '@actions/core'
import * as setupGradle from './setup-gradle'
import {PostActionJobFailure} from './errors'

// Catch and log any unhandled exceptions.  These exceptions can leak out of the uploadChunk method in
// @actions/toolkit when a failed upload closes the file descriptor causing any in-process reads to
// throw an uncaught exception.  Instead of failing this action, just warn.
process.on('uncaughtException', e => handleFailure(e))

/**
 * The post-execution entry point for the action, called by Github Actions after completing all steps for the Job.
 */
export async function run(): Promise<void> {
    try {
        await setupGradle.complete()
    } catch (error) {
        if (error instanceof PostActionJobFailure) {
            core.setFailed(String(error))
        } else {
            handleFailure(error)
        }
    }

    // Explicit process.exit() to prevent waiting for promises left hanging by `@actions/cache` on save.
    process.exit()
}

function handleFailure(error: unknown): void {
    core.warning(`Unhandled error in Gradle post-action - job will continue: ${error}`)
    if (error instanceof Error && error.stack) {
        core.info(error.stack)
    }
}

run()