setup-node/src/cache-utils.ts

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import * as core from '@actions/core';
import * as exec from '@actions/exec';
import * as cache from '@actions/cache';
import * as glob from '@actions/glob';
import path from 'path';
import fs from 'fs';
import {unique} from './util';
export interface PackageManagerInfo {
name: string;
lockFilePatterns: Array<string>;
getCacheFolderPath: (projectDir?: string) => Promise<string>;
}
interface SupportedPackageManagers {
npm: PackageManagerInfo;
pnpm: PackageManagerInfo;
yarn: PackageManagerInfo;
}
export const supportedPackageManagers: SupportedPackageManagers = {
npm: {
name: 'npm',
lockFilePatterns: ['package-lock.json', 'npm-shrinkwrap.json', 'yarn.lock'],
getCacheFolderPath: () =>
getCommandOutputNotEmpty(
'npm config get cache',
'Could not get npm cache folder path'
)
},
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pnpm: {
name: 'pnpm',
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lockFilePatterns: ['pnpm-lock.yaml'],
getCacheFolderPath: () =>
getCommandOutputNotEmpty(
'pnpm store path --silent',
'Could not get pnpm cache folder path'
)
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},
yarn: {
name: 'yarn',
lockFilePatterns: ['yarn.lock'],
getCacheFolderPath: async projectDir => {
const yarnVersion = await getCommandOutputNotEmpty(
`yarn --version`,
'Could not retrieve version of yarn',
projectDir
);
core.debug(
`Consumed yarn version is ${yarnVersion} (working dir: "${
projectDir || ''
}")`
);
const stdOut = yarnVersion.startsWith('1.')
? await getCommandOutput('yarn cache dir', projectDir)
: await getCommandOutput('yarn config get cacheFolder', projectDir);
if (!stdOut) {
throw new Error(
`Could not get yarn cache folder path for ${projectDir}`
);
}
return stdOut;
}
}
};
export const getCommandOutput = async (
toolCommand: string,
cwd?: string
): Promise<string> => {
let {stdout, stderr, exitCode} = await exec.getExecOutput(
toolCommand,
undefined,
{ignoreReturnCode: true, ...(cwd && {cwd})}
);
if (exitCode) {
stderr = !stderr.trim()
? `The '${toolCommand}' command failed with exit code: ${exitCode}`
: stderr;
throw new Error(stderr);
}
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return stdout.trim();
};
export const getCommandOutputNotEmpty = async (
toolCommand: string,
error: string,
cwd?: string
): Promise<string> => {
const stdOut = getCommandOutput(toolCommand, cwd);
if (!stdOut) {
throw new Error(error);
}
return stdOut;
};
export const getPackageManagerInfo = async (packageManager: string) => {
if (packageManager === 'npm') {
return supportedPackageManagers.npm;
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} else if (packageManager === 'pnpm') {
return supportedPackageManagers.pnpm;
} else if (packageManager === 'yarn') {
return supportedPackageManagers.yarn;
} else {
return null;
}
};
/**
* getProjectDirectoriesFromCacheDependencyPath is called twice during `restoreCache`
* - first through `getCacheDirectories`
* - second from `repoHasYarn3ManagedCache`
*
* it contains expensive IO operation and thus should be memoized
*/
let projectDirectoriesMemoized: string[] | null = null;
/**
* unit test must reset memoized variables
*/
export const resetProjectDirectoriesMemoized = () =>
(projectDirectoriesMemoized = null);
/**
* Expands (converts) the string input `cache-dependency-path` to list of directories that
* may be project roots
* @param cacheDependencyPath - either a single string or multiline string with possible glob patterns
* expected to be the result of `core.getInput('cache-dependency-path')`
* @return list of directories and possible
*/
const getProjectDirectoriesFromCacheDependencyPath = async (
cacheDependencyPath: string
): Promise<string[]> => {
if (projectDirectoriesMemoized !== null) {
return projectDirectoriesMemoized;
}
const globber = await glob.create(cacheDependencyPath);
const cacheDependenciesPaths = await globber.glob();
const existingDirectories: string[] = cacheDependenciesPaths
.map(path.dirname)
.filter(unique())
.filter(directory => fs.lstatSync(directory).isDirectory());
if (!existingDirectories.length)
core.warning(
`No existing directories found containing cache-dependency-path="${cacheDependencyPath}"`
);
projectDirectoriesMemoized = existingDirectories;
return existingDirectories;
};
/**
* Finds the cache directories configured for the repo if cache-dependency-path is not empty
* @param packageManagerInfo - an object having getCacheFolderPath method specific to given PM
* @param cacheDependencyPath - either a single string or multiline string with possible glob patterns
* expected to be the result of `core.getInput('cache-dependency-path')`
* @return list of files on which the cache depends
*/
const getCacheDirectoriesFromCacheDependencyPath = async (
packageManagerInfo: PackageManagerInfo,
cacheDependencyPath: string
): Promise<string[]> => {
const projectDirectories = await getProjectDirectoriesFromCacheDependencyPath(
cacheDependencyPath
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);
const cacheFoldersPaths = await Promise.all(
projectDirectories.map(async projectDirectory => {
const cacheFolderPath = await packageManagerInfo.getCacheFolderPath(
projectDirectory
);
core.debug(
`${packageManagerInfo.name}'s cache folder "${cacheFolderPath}" configured for the directory "${projectDirectory}"`
);
return cacheFolderPath;
})
);
// uniq in order to do not cache the same directories twice
return cacheFoldersPaths.filter(unique());
};
/**
* Finds the cache directories configured for the repo ignoring cache-dependency-path
* @param packageManagerInfo - an object having getCacheFolderPath method specific to given PM
* @return list of files on which the cache depends
*/
const getCacheDirectoriesForRootProject = async (
packageManagerInfo: PackageManagerInfo
): Promise<string[]> => {
const cacheFolderPath = await packageManagerInfo.getCacheFolderPath();
core.debug(
`${packageManagerInfo.name}'s cache folder "${cacheFolderPath}" configured for the root directory`
);
return [cacheFolderPath];
};
/**
* A function to find the cache directories configured for the repo
* currently it handles only the case of PM=yarn && cacheDependencyPath is not empty
* @param packageManagerInfo - an object having getCacheFolderPath method specific to given PM
* @param cacheDependencyPath - either a single string or multiline string with possible glob patterns
* expected to be the result of `core.getInput('cache-dependency-path')`
* @return list of files on which the cache depends
*/
export const getCacheDirectories = async (
packageManagerInfo: PackageManagerInfo,
cacheDependencyPath: string
): Promise<string[]> => {
// For yarn, if cacheDependencyPath is set, ask information about cache folders in each project
// folder satisfied by cacheDependencyPath https://github.com/actions/setup-node/issues/488
if (packageManagerInfo.name === 'yarn' && cacheDependencyPath) {
return getCacheDirectoriesFromCacheDependencyPath(
packageManagerInfo,
cacheDependencyPath
);
}
return getCacheDirectoriesForRootProject(packageManagerInfo);
};
/**
* A function to check if the directory is a yarn project configured to manage
* obsolete dependencies in the local cache
* @param directory - a path to the folder
* @return - true if the directory's project is yarn managed
* - if there's .yarn/cache folder do not mess with the dependencies kept in the repo, return false
* - global cache is not managed by yarn @see https://yarnpkg.com/features/offline-cache, return false
* - if local cache is not explicitly enabled (not yarn3), return false
* - return true otherwise
*/
const projectHasYarnBerryManagedDependencies = async (
directory: string
): Promise<boolean> => {
const workDir = directory || process.env.GITHUB_WORKSPACE || '.';
core.debug(`check if "${workDir}" has locally managed yarn3 dependencies`);
// if .yarn/cache directory exists the cache is managed by version control system
const yarnCacheFile = path.join(workDir, '.yarn', 'cache');
if (
fs.existsSync(yarnCacheFile) &&
fs.lstatSync(yarnCacheFile).isDirectory()
) {
core.debug(
`"${workDir}" has .yarn/cache - dependencies are kept in the repository`
);
return Promise.resolve(false);
}
// NOTE: yarn1 returns 'undefined' with return code = 0
const enableGlobalCache = await getCommandOutput(
'yarn config get enableGlobalCache',
workDir
);
// only local cache is not managed by yarn
const managed = enableGlobalCache.includes('false');
if (managed) {
core.debug(`"${workDir}" dependencies are managed by yarn 3 locally`);
return true;
} else {
core.debug(`"${workDir}" dependencies are not managed by yarn 3 locally`);
return false;
}
};
/**
* A function to report the repo contains Yarn managed projects
* @param packageManagerInfo - used to make sure current package manager is yarn
* @param cacheDependencyPath - either a single string or multiline string with possible glob patterns
* expected to be the result of `core.getInput('cache-dependency-path')`
* @return - true if all project directories configured to be Yarn managed
*/
export const repoHasYarnBerryManagedDependencies = async (
packageManagerInfo: PackageManagerInfo,
cacheDependencyPath: string
): Promise<boolean> => {
if (packageManagerInfo.name !== 'yarn') return false;
const yarnDirs = cacheDependencyPath
? await getProjectDirectoriesFromCacheDependencyPath(cacheDependencyPath)
: [''];
const isManagedList = await Promise.all(
yarnDirs.map(projectHasYarnBerryManagedDependencies)
);
return isManagedList.every(Boolean);
};
export function isGhes(): boolean {
const ghUrl = new URL(
process.env['GITHUB_SERVER_URL'] || 'https://github.com'
);
return ghUrl.hostname.toUpperCase() !== 'GITHUB.COM';
}
export function isCacheFeatureAvailable(): boolean {
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if (cache.isFeatureAvailable()) return true;
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if (isGhes()) {
core.warning(
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'Cache action is only supported on GHES version >= 3.5. If you are on version >=3.5 Please check with GHES admin if Actions cache service is enabled or not.'
);
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return false;
}
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core.warning(
'The runner was not able to contact the cache service. Caching will be skipped'
);
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return false;
}