import path from 'path' import fs from 'fs' import * as core from '@actions/core' import * as cache from '@actions/cache' import {generateCacheKey} from './cache-utils' const PATHS_TO_CACHE = [ 'configuration-cache' // Only configuration-cache is stored at present ] const CACHE_KEY = 'PROJECT_CACHE_KEY' const CACHE_RESULT = 'PROJECT_CACHE_RESULT' export async function restore(rootDir: string): Promise { if (projectDotGradleDirExists(rootDir)) { core.info( 'Project .gradle directory already exists. Not restoring from cache.' ) return } const cacheKey = generateCacheKey('project') core.saveState(CACHE_KEY, cacheKey.key) const cacheResult = await cache.restoreCache( getCachePath(rootDir), cacheKey.key, cacheKey.restoreKeys ) if (!cacheResult) { core.info('Project .gradle cache not found. Will start with empty.') return } core.info(`Project .gradle dir restored from cache key: ${cacheResult}`) return } export async function save(rootDir: string): Promise { if (!projectDotGradleDirExists(rootDir)) { core.debug('No project .gradle dir to cache.') return } const cacheKey = core.getState(CACHE_KEY) const cacheResult = core.getState(CACHE_RESULT) if (!cacheKey) { core.info( 'Project .gradle dir existed prior to cache restore. Not saving.' ) return } if (cacheResult && cacheKey === cacheResult) { core.info( `Cache hit occurred on the cache key ${cacheKey}, not saving cache.` ) return } core.info(`Caching project .gradle dir with cache key: ${cacheKey}`) try { await cache.saveCache(getCachePath(rootDir), cacheKey) } catch (error) { if (error.name === cache.ValidationError.name) { throw error } else if (error.name === cache.ReserveCacheError.name) { core.info(error.message) } else { core.info(`[warning] ${error.message}`) } } return } function getCachePath(rootDir: string): string[] { const dir = getProjectDotGradleDir(rootDir) return PATHS_TO_CACHE.map(x => path.resolve(dir, x)) } function getProjectDotGradleDir(rootDir: string): string { core.debug(`Resolving .gradle dir in ${rootDir}`) return path.resolve(rootDir, '.gradle') } function projectDotGradleDirExists(rootDir: string): boolean { const dir = getProjectDotGradleDir(rootDir) core.debug(`Checking for existence of project .gradle dir: ${dir}`) return fs.existsSync(dir) }