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125 lines
3.4 KiB
Markdown
125 lines
3.4 KiB
Markdown
# Documentation
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## Supported hooks
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`husky` supports all Git hooks defined [here](https://git-scm.com/docs/githooks).
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Server-side hooks (`pre-receive`, `update` and `post-receive`) aren't supported.
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## Access Git params and stdin
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Git hooks can get parameters via command-line arguments and stdin. `husky` makes them accessible via `HUSKY_GIT_PARAMS` and `HUSKY_GIT_STDIN` environment variables.
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```
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{
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"husky": {
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"hooks": {
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"commit-msg": "echo $HUSKY_GIT_PARAMS"
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}
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}
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}
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```
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## Disable auto-install
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If you don't want `husky` to automatically install Git hooks, simply set `HUSKY_SKIP_INSTALL` environment variable to `1`.
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```sh
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HUSKY_SKIP_INSTALL=1 npm install
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```
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## Skip all hooks
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During a rebase you may want to skip all hooks, you can set `HUSKY_SKIP_HOOKS` environment variable to `1`.
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```sh
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HUSKY_SKIP_HOOKS=1 git rebase ...
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```
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## Multi-package repository (monorepo)
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If you have a multi-package repository, it's __recommended__ to use tools like [lerna](https://github.com/lerna/lerna) and have `husky` installed ONLY in the root `package.json` to act as the source of truth.
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Generally speaking, you should AVOID defining `husky` in multiple `package.json`, as each package would overwrite previous `husky` installations.
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```sh
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.
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└── root
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├── .git
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├── package.json 🐶 # Add husky here
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└── packages
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├── A
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│ └── package.json
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├── B
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│ └── package.json
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└── C
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└── package.json
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```
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```js
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// root/package.json
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{
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"private": true,
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"devDependencies": {
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"husky": "..."
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},
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"husky": {
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"hooks": {
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"pre-commit": "lerna run test"
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}
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}
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}
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```
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## Node version management
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If you're on Windows, husky will simply use the version installed globally on your system.
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For macOS and Linux users:
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- if you're running `git` commands in the terminal, `husky` will use the version defined in your shell `PATH`. In other words, if you're a `nvm` user, husky will use the version that you've set with `nvm`.
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- if you're using a GUI client and `nvm`, it may have a different `PATH` and not load `nvm`, in this case the highest `node` version installed by `nvm` will usually be picked. You can also check `~/.node_path` to see which version is used by GUIs and edit if you want to use something else.
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## ~/.huskyrc
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`husky` will source `~/.huskyrc` file if it exists before running hook scripts.
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You can use it, for example, to load a node version manager or run some `shell` commands before hooks.
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```sh
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# ~/.huskyrc
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export NVM_DIR="$HOME/.nvm"
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[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh"
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```
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_This feature is experimental 🧪. Feedbacks are welcome._
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## Debug
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It's basic for the moment, but you can use `HUSKY_DEBUG=1` to log debug messages.
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## Multiple commands
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By design, `husky` will run hook scripts as a single command. Just like `scripts` defined in `package.json` are run.
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```json
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{
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"pre-commit": "cmd && cmd && cmd"
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}
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```
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That said, for readability, you may want to use an array. In this case, the recommended way is to define them in a `.huskyrc.js`
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```js
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const tasks = arr => arr.join(' && ')
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module.exports = {
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'hooks': {
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'pre-commit': tasks([
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'cmd',
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'cmd',
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'cmd'
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])
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}
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}
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```
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Tools like [npm-run-all](https://github.com/mysticatea/npm-run-all) can help too.
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