actions/src/main.ts

import * as core from '@actions/core'
import {parseArgsStringToArgv} from 'string-argv'

import * as setupGradle from './setup-gradle'
import * as execution from './execution'
import * as provisioner from './provision'
import * as layout from './repository-layout'

/**
 * The main entry point for the action, called by Github Actions for the step.
 */
export async function run(): Promise<void> {
    try {
        // Configure Gradle environment (Gradle User Home)
        await setupGradle.setup()

        // Download and install Gradle if required
        const executable = await provisioner.provisionGradle()

        // Only execute if arguments have been provided
        const args: string[] = parseCommandLineArguments()
        if (args.length > 0) {
            const buildRootDirectory = layout.buildRootDirectory()
            await execution.executeGradleBuild(executable, buildRootDirectory, args)
        }
    } catch (error) {
        core.setFailed(String(error))
        if (error instanceof Error && error.stack) {
            core.info(error.stack)
        }
    }
}

run()

function parseCommandLineArguments(): string[] {
    const input = core.getInput('arguments')
    return parseArgsStringToArgv(input)
}