git-pre-commit

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A pre-commit hook that ignores all the unstagged changes while performing the pre-commit command you wrote (Using Shell, Gulp, Grunt etc..)

git-pre-commit 최신버젼 다운로드

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You can run any pre-commit command (Shell, Gulp, Grunt etc..) and it will ignore all the **unstaged changes** that wasn't added to the git index (using the command ```git add```).

## Installation

First install the package in your ```devDependencies```:
```shell
npm install git-pre-commit --save-dev
```

Or by using [yarn](https://github.com/yarnpkg/yarn):
```shell
yarn add git-pre-commit --dev
```

## Using the package

Now, add to your ```package.json``` the entry:
```javascript
"scripts": {
 "precommit": "<task to run>"
}
```

That is it! No more that you need to do (except for writing what to run :) )

**Note**: If your root directory has a `yarn.lock` file, all the scripts will be run using `yarn`.

### Examples

So for example you can do something like that to run [Gulp](http://gulpjs.com/) task named ```pre-commit```:
```javascript
"scripts": {
    "precommit": "gulp lint"
}
```

Or just a shell command:
```javascript
"scripts": {
    "precommit": "echo Hello_World"
}
```

Have fun!

## What this package is actually solving?
Most of the git pre-commit hooks are WRONG! 
Why? Because most of the pre-commit hooks **also take into account the unstaged changes when performing the task**.

Lets take for example the most common pre-commit hook: lint. 
So what usually people do? 
You try to perform a commit and then your pre-commit hook runs and lints all of your files.

There are 2 issues with that common approach:

\#1 - When you have some unstaged changes and you would like to commit only the staged changes (the ones you performed ```git add``` on) your lint task checks the file itself and doesn't know if the code there will be part of the commit or not. 
This resolves into 2 possible situations:
 * **The code in the unstaged changes break the lint task** - why should I care?!? I'm not trying to commit this code!!
 * **The code in the unstaged changes is actualy fixing the lint task, but it is not part of the commit** - so for example you got an eslint error on your commit, you fixed it **but forgot to** ```git add``` **the changes**, now the lint task passes BUT you ended up with the fixing changes **outside of your commit**.

\#2 - <a name="number2issue"></a> It lints **all** the files and not just the changed files. This is not addressed in this package as it is not the point of it. (For example on how to lint **only the changed files** you can checkout [my eslint example](https://github.com/kazazor/gulp-eslint-precommit) that also uses the ```git-pre-commit``` package).

Like I said, this package fixes issue #1 by stashing your unstaged changes and returning the changes to the unstaged state once the pre-commit task has finished (with or without errors).

### P.S
Even in this package repository I'm using the package pre-commit hook to lint all of the js files. 
For example on how to address the [#2](#number2issue) issue:
> It lints **all** the files and not just the changed files

Take a look at [my eslint example](https://github.com/kazazor/gulp-eslint-precommit) that does just that. It will save you and your team A LOT of time!

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