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Added troubleshooting initial

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BastianZim 2020-10-17 13:05:33 +02:00
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@ -36,11 +36,9 @@ This does a few things:
### With custom invocations
By default, this action runs all the hooks against all the files. `extra_args`
lets users specify a single hook id and/or options to pass to `pre-commit run`.
By default, this action runs all the hooks against all the files. `extra_args` lets users specify a single hook id and/or options to pass to `pre-commit run`.
Here's a sample step configuration that only runs the `flake8` hook against all
the files (use the template above except for the `pre-commit` action):
Here's a sample step configuration that only runs the `flake8` hook against all the files (use the template above except for the `pre-commit` action):
```yaml
- uses: pre-commit/action@v2.0.0
@ -50,14 +48,11 @@ the files (use the template above except for the `pre-commit` action):
### In private repositories
This action also provides an additional behaviour when used in private
repositories. When configured with a GitHub token, the action will push back
fixes to the pull request branch.
This action also provides an additional behaviour when used in private repositories. When configured with a GitHub token, the action will push back fixes to the pull request branch.
Using the template above, you'll need to make two replacements for individual actions:
First is the checkout step, which needs to use unlimited fetch depth for
pushing:
First is the checkout step, which needs to use unlimited fetch depth for pushing:
```yaml
- uses: actions/checkout@v2
@ -65,7 +60,7 @@ pushing:
fetch-depth: 0
```
Next is passing the token to the pre-commit action:
Next is passing the token to the `pre-commit` action:
```yaml
- uses: pre-commit/action@v2.0.0
@ -76,7 +71,31 @@ Next is passing the token to the pre-commit action:
Note that `secrets.GITHUB_TOKEN` is [automatically provisioned](https://docs.github.com/en/free-pro-team@latest/actions/reference/authentication-in-a-workflow#about-the-github_token-secret) and will not
require any special configuration.
While you could _technically_ configure this for a public repository (using a
personal access token), I can't think of a way to do this safely without
exposing a privileged token to pull requests – If you have any ideas, please
leave an [issue](https://github.com/pre-commit/action/issues)!
While you could _technically_ configure this for a public repository (using a personal access token), I can't think of a way to do this safely without exposing a privileged token to pull requests – if you have any ideas, please leave an [issue](https://github.com/pre-commit/action/issues)!
## Troubleshooting
1. Changes aren't commited.
1. The _push back_ behaviour is only enabled for pull requests, not for pushes directly to branches.
Make sure that your `.github/workflows/pre-commit.yml` contains at least
```YAML
on:
pull_request:
```
2. Your pre-commit actions contain a conflict.
If `pre-commit` fails on the second invocation it can't push to the branch because GitHub actions does not fire on pushes made by GitHub actions – So instead it marks the job as failed.
_Example:_ Running `double-quote-string-fixer` and `black` will cause the action to fail since both will format strings differently (Unless you pass `-S [skip-string-normalization]` to `black`) and will prevent them from reaching an agreement.
2. Actions cannot write to file.
**Error**:
```bash
! [remote rejected] HEAD -> test (refusing to allow a GitHub App to create or update workflow `.github/workflows/pre-commit.yml` without `workflows` permission)
```
This happens when the action is trying to change a workflow file and is prohibited by [GitHub](https://github.community/t/refusing-to-allow-an-integration-to-create-or-update/16326/2).
**Fix:**
Exclude the workflow file from the action through top level [`exclude`](https://pre-commit.com/#top_level-exclude) or hook level [`exclude`](https://pre-commit.com/#config-exclude).
**Example regex for top level**
```YAML
exclude: '.github/workflows/.*?\.yml'
``