83 lines
2.4 KiB
Markdown
83 lines
2.4 KiB
Markdown
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# `@actions/tool-cache`
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> Functions necessary for downloading and caching tools.
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## Usage
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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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```js
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const tc = require('@actions/tool-cache');
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const node12Path = await tc.downloadTool('https://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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```js
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const tc = require('@actions/tool-cache');
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if (process.platform === 'win32') {
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const node12Path = await tc.downloadTool('https://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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const node12Path = await tc.downloadTool('https://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('https://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 self-hosted runners.
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You'll often want to add it to the path as part of this step:
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```js
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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('https://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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```js
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const tc = require('@actions/tool-cache');
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const cachedPath = await 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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```js
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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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```js
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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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