mirror of https://github.com/actions/toolkit
Update package docs (#38)
* Update README.md * Add exec guidance * Add io guidance * Add tool-cache guidance * Readability * Readability * Readability * Nit * Nit * Nitpull/40/head
Danny McCormick
Bryan MacFarlane
parent
0bb10220a7
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293aa1ae02
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## Usage
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See [src/core.ts](src/core.ts).
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#### Inputs/Outputs
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You can use this library to get inputs or set outputs:
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```
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const core = require('@actions/core');
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const myInput = core.getInput('inputName', { required: true });
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// Do stuff
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core.setOutput('outputKey', 'outputVal');
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```
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#### Exporting variables/secrets
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You can also export variables and secrets for future steps. Variables get set in the environment automatically, while secrets must be scoped into the environment from a workflow using `{{ secret.FOO }}`. Secrets will also be masked from the logs:
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```
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const core = require('@actions/core');
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// Do stuff
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core.exportVariable('envVar', 'Val');
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core.exportSecret('secretVar', variableWithSecretValue);
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```
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#### PATH Manipulation
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You can explicitly add items to the path for all remaining steps in a workflow:
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```
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const core = require('@actions/core');
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core.addPath('pathToTool');
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```
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#### Exit codes
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You should use this library to set the exit code for your action:
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```
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const core = require('@actions/core');
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try {
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if (work to do) {
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// Do work
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} else {
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// Set neutral indicates that the action terminated but did not fail (aka there was no work to be done)
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core.setNeutral();
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}
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}
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catch (err) {
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// setFailed logs the message and sets a failing exit code
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core.setFailed(`Action failed with error ${err}`);
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}
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```
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#### Logging
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Finally, this library provides some utilities for logging:
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```
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const core = require('@actions/core');
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const myInput = core.getInput('input');
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try {
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core.debug('Inside try block');
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if (!myInput) {
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core.warning('myInput wasnt set');
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}
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// Do stuff
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}
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catch (err) {
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core.error('Error ${err}, action may still succeed though');
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}
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```
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# `@actions/exec`
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> Functions necessary for running tools on the command line
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## Usage
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See [src/exec.ts](src/exec.ts).
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#### Basic
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You can use this package to execute your tools on the command line in a cross platform way:
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```
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const exec = require('@actions/exec');
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await exec.exec('node index.js');
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```
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#### Args
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You can also pass in arg arrays:
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```
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const exec = require('@actions/exec');
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await exec.exec('node', ['index.js', 'foo=bar']);
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```
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#### Output/options
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Capture output or specify [other options](https://github.com/actions/toolkit/blob/d9347d4ab99fd507c0b9104b2cf79fb44fcc827d/packages/exec/src/interfaces.ts#L5):
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```
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const exec = require('@actions/exec');
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const myOutput = '';
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const myError = '';
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const options = {};
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options.listeners = {
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stdout: (data: Buffer) => {
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myOutput += data.toString();
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},
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stderr: (data: Buffer) => {
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myError += data.toString();
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}
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};
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options.cwd = './lib';
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await exec.exec('node', ['index.js', 'foo=bar'], options);
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```
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#### Exec tools not in the PATH
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You can use it in conjunction with the `which` function from `@actions/io` to execute tools that are not in the PATH:
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```
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const exec = require('@actions/exec');
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const io = require('@actions/io');
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const pythonPath: string = await io.which('python', true)
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await exec.exec(`"${pythonPath}"`, ['main.py']);
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```
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@ -4,46 +4,50 @@
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## Usage
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#### mkdir -p
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Recursively make a directory. Follows rules specified in [man mkdir](https://linux.die.net/man/1/mkdir) with the `-p` option specified:
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```
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/**
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* Copies a file or folder.
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*
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* @param source source path
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* @param dest destination path
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* @param options optional. See CopyOptions.
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*/
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export function cp(source: string, dest: string, options?: CopyOptions): Promise<void>
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const io = require('@actions/io');
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/**
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* Remove a path recursively with force
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*
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* @param path path to remove
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*/
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export function rmRF(path: string): Promise<void>
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await io.mkdirP('path/to/make');
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```
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/**
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* Make a directory. Creates the full path with folders in between
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*
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* @param p path to create
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* @returns Promise<void>
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*/
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export function mkdirP(p: string): Promise<void>
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#### cp/mv
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/**
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* Moves a path.
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*
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* @param source source path
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* @param dest destination path
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* @param options optional. See CopyOptions.
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*/
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export function mv(source: string, dest: string, options?: CopyOptions): Promise<void>
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Copy or move files or folders. Follows rules specified in [man cp](https://linux.die.net/man/1/cp) and [man mv](https://linux.die.net/man/1/mv):
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/**
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* Returns path of a tool had the tool actually been invoked. Resolves via paths.
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*
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* @param tool name of the tool
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* @param options optional. See WhichOptions.
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* @returns Promise<string> path to tool
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*/
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export function which(tool: string, options?: WhichOptions): Promise<string>
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```
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```
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const io = require('@actions/io');
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// Recursive must be true for directories
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const options = { recursive: true, force: false }
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await io.cp('path/to/directory', 'path/to/dest', options);
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await io.mv('path/to/file', 'path/to/dest');
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```
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#### rm -rf
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Remove a file or folder recursively. Follows rules specified in [man rm](https://linux.die.net/man/1/rm) with the `-r` and `-f` rules specified.
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```
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const io = require('@actions/io');
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await io.rmRF('path/to/directory');
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await io.rmRF('path/to/file');
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```
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#### which
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Get the path to a tool and resolves via paths. Follows the rules specified in [man which](https://linux.die.net/man/1/which).
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```
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const exec = require('@actions/exec');
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const io = require('@actions/io');
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const pythonPath: string = await io.which('python', true)
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await exec.exec(`"${pythonPath}"`, ['main.py']);
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```
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@ -4,4 +4,79 @@
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## Usage
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See [src/tool-cache.ts](src/tool-cache.ts).
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#### Download
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You can use this to download tools (or other files) from a download URL:
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```
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const tc = require('@actions/tool-cache');
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const node12Path = await tc.downloadTool('http://nodejs.org/dist/v12.7.0/node-v12.7.0-linux-x64.tar.gz');
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```
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#### Extract
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These can then be extracted in platform specific ways:
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```
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const tc = require('@actions/tool-cache');
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if (process.platform === 'win32') {
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tc.downloadTool('http://nodejs.org/dist/v12.7.0/node-v12.7.0-win-x64.zip');
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const node12ExtractedFolder = await tc.extractZip(node12Path, 'path/to/extract/to');
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// Or alternately
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tc.downloadTool('http://nodejs.org/dist/v12.7.0/node-v12.7.0-win-x64.7z');
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const node12ExtractedFolder = await tc.extract7z(node12Path, 'path/to/extract/to');
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}
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else {
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const node12Path = await tc.downloadTool('http://nodejs.org/dist/v12.7.0/node-v12.7.0-linux-x64.tar.gz');
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const node12ExtractedFolder = await tc.extractTar(node12Path, 'path/to/extract/to');
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}
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```
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#### Cache
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Finally, you can cache these directories in our tool-cache. This is useful if you want to switch back and forth between versions of a tool, or save a tool between runs for private runners (private runners are still in development but are on the roadmap).
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You'll often want to add it to the path as part of this step:
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```
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const tc = require('@actions/tool-cache');
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const core = require('@actions/core');
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const node12Path = await tc.downloadTool('http://nodejs.org/dist/v12.7.0/node-v12.7.0-linux-x64.tar.gz');
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const node12ExtractedFolder = await tc.extractTar(node12Path, 'path/to/extract/to');
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const cachedPath = await tc.cacheDir(node12ExtractedFolder, 'node', '12.7.0');
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core.addPath(cachedPath);
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```
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You can also cache files for reuse.
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```
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const tc = require('@actions/tool-cache');
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tc.cacheFile('path/to/exe', 'destFileName.exe', 'myExeName', '1.1.0');
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```
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#### Find
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Finally, you can find directories and files you've previously cached:
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```
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const tc = require('@actions/tool-cache');
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const core = require('@actions/core');
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const nodeDirectory = tc.find('node', '12.x', 'x64');
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core.addPath(nodeDirectory);
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```
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You can even find all cached versions of a tool:
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```
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const tc = require('@actions/tool-cache');
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const allNodeVersions = tc.findAllVersions('node');
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console.log(`Versions of node available: ${allNodeVersions}`);
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```
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