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Update 0000-caching-dependencies.md

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@ -13,26 +13,27 @@ Integration of caching functionality into `actions/setup-node` action will bring
- Simplify YAML pipelines because no need additional steps to enable caching - Simplify YAML pipelines because no need additional steps to enable caching
- More users will use cache for Node.js so more customers will have fast builds! - More users will use cache for Node.js so more customers will have fast builds!
As the first stage, we will add support for NPM dependencies caching. We can consider adding the same functionality for Yarn later. We will add support for NPM and Yarn dependencies caching.
As the first stage, we won't support custom locations for `package-lock.json`, `yarn.lock` files and action will work only when files are located in repository root.
We don't pursue the goal to provide wide customization of caching in scope of `actions/setup-node` action. The purpose of this integration is covering ~90% of basic use-cases. If user needs flexible customization, we should advice them to use `actions/cache` directly. We don't pursue the goal to provide wide customization of caching in scope of `actions/setup-node` action. The purpose of this integration is covering ~90% of basic use-cases. If user needs flexible customization, we should advice them to use `actions/cache` directly.
# Decision # Decision
- Add `cache` input parameter to `actions/setup-node`. For now, input will accept the following values: - Add `cache` input parameter to `actions/setup-node`. For now, input will accept the following values:
- `npm` - enable caching for npm dependencies - `npm` - enable caching for npm dependencies
- `yarn` - enable caching for yarn dependencies
- `''` - disable caching (default value) - `''` - disable caching (default value)
- Potentially, we will be able to extend this input to support Yarn
- Cache feature will be disabled by default to make sure that we don't break existing customers. We will consider enabling cache by default in next major release (`v3`) - Cache feature will be disabled by default to make sure that we don't break existing customers. We will consider enabling cache by default in next major release (`v3`)
- Add optional input `package-lock-path` that will allow to specify path to `package-lock.json` file path: - Action will try to search `package-lock.json` or `yarn.lock` (npm 7.x supports `yarn.lock` files) files in the repository root and throw error if no one is found
- If input is not defined, action will try to search `package-lock.json` or `yarn.lock` (npm 7.x supports `yarn.lock` files) files in the repository root and throw error if no one is found - The hash of found file will be used as cache key (the same approach like [actions/cache](https://github.com/actions/cache/blob/main/examples.md#node---npm) recommends)
- If input contains file path, action will use the specified file
- if input contains wildcards (like `**/package-lock.json`), hash of multiple files will be used
- The hash of file provided in `package-lock-path` input will be used as cache key (the same approach like [actions/cache](https://github.com/actions/cache/blob/main/examples.md#node---npm) recommends)
- The following key cache will be used `${{ runner.os }}-npm-${{ hashFiles('<package-lock-path>') }}` - The following key cache will be used `${{ runner.os }}-npm-${{ hashFiles('<package-lock-path>') }}`
- Action will cache global npm cache directory (retrieved via `npm config get cache`) - Action will cache global cache:
- Npm (retrieved via `npm config get cache`)
- Yarn 1 (retrieved via `yarn cache dir`)
- Yarn 2 (retrieved via `yarn config get cacheFolder`)
# Example of real use-cases # Example of real use-cases
Default use case when `package-lock.json` or `yarn.lock` are located in repository root: Npm package manager:
```yml ```yml
steps: steps:
- uses: actions/checkout@v2 - uses: actions/checkout@v2
@ -42,15 +43,14 @@ steps:
cache: npm cache: npm
``` ```
More flexible solution for monorepos: Yarn package manager:
```yml ```yml
steps: steps:
- uses: actions/checkout@v2 - uses: actions/checkout@v2
- uses: actions/setup-node@v2 - uses: actions/setup-node@v2
with: with:
node-version: '14' node-version: '14'
cache: npm cache: yarn
package-lock-path: service1/yarn.lock
``` ```
# Release process # Release process