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Document the unusual behaviour of ** in glob option #941

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17 changes: 17 additions & 0 deletions docs/mdbook/configuration/glob.md
Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,23 @@ pre-commit:

For patterns that you can use see [this](https://tldp.org/LDP/GNU-Linux-Tools-Summary/html/x11655.htm) reference. We use [glob](https://github.com/gobwas/glob) library.

***Behaviour of `**`***

Note that the behaviour of `**` is different from typical glob implementations, like `ls` or tools like `lint-staged` in that a double-asterisk matches 1+ directories deep, not zero or more directories.
If you want to match *both* files at the top level and nested, then rather than:

```yaml
glob: "src/**/*.js"
```

You'll need something like:

```yaml
glob: "{src/*.js,src/**/*.js}"
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On further testing, I'm fairly sure you just need glob: "src/*.js"

```

***Using `glob` without a files template in`run`***

If you've specified `glob` but don't have a files template in [`run`](./run.md) option, lefthook will check `{staged_files}` for `pre-commit` hook and `{push_files}` for `pre-push` hook and apply filtering. If no files left, the command will be skipped.

```yml
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