gradle-build-action/src/cache-project-dot-gradle.ts

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import path from 'path'
import fs from 'fs'
import * as core from '@actions/core'
import * as cache from '@actions/cache'
import * as github from '@actions/github'
import {
isCacheReadEnabled,
isCacheSaveEnabled,
truncateArgs
} from './cache-utils'
const CACHE_NAME = 'project-dot-gradle'
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<void> {
if (!isCacheReadEnabled(CACHE_NAME)) return
if (projectDotGradleDirExists(rootDir)) {
core.debug(
'Project .gradle directory already exists. Not restoring from cache.'
)
return
}
const cacheKeySeed = process.env[`CACHE_KEY_SEED`] || ''
const runnerOs = process.env[`RUNNER_OS`] || ''
const cacheKeyPrefix = `${cacheKeySeed}${runnerOs}|project|`
const args = truncateArgs(core.getInput('arguments'))
const cacheKeyWithArgs = `${cacheKeyPrefix}${args}|`
const cacheKey = `${cacheKeyWithArgs}${github.context.sha}`
core.saveState(CACHE_KEY, cacheKey)
const cacheResult = await cache.restoreCache(
getCachePath(rootDir),
cacheKey,
[cacheKeyWithArgs, cacheKeyPrefix]
)
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<void> {
if (!isCacheSaveEnabled(CACHE_NAME)) return
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)
}