New line linter (#502)

Enables with:

```
enabled:
    - pre-commit-hooks@4.4.0:
        commands:
        - end-of-file-fixer
```

linters/pre-commit-hooks/Readme.md

@@ -0,0 +1,14 @@
+# Pre-Commit-Hooks
+
+The set of formatter and linters in this suite are disabled by default. Some of the
+linters/formatters have different conflicting outputs.
+
+To enabled, add the list of checks you want in your trunk.yaml as such:
+
+```yaml
+lint:
+  enabled:
+    - pre-commit-hooks@4.4.0:
+        commands:
+          - end-of-file-fixer
+```

linters/pre-commit-hooks/plugin.yaml

@@ -0,0 +1,21 @@
+version: 0.1
+lint:
+  definitions:
+    - name: pre-commit-hooks
+      known_good_version: 4.4.0
+      runtime: python
+      package: pre-commit-hooks
+      suggest_if: never
+      environment:
+        - name: PATH
+          list: ["${env.PATH}"]
+      commands:
+        - name: end-of-file-fixer
+          enabled: false
+          output: rewrite
+          in_place: true
+          formatter: true
+          run: end-of-file-fixer ${target}
+          success_codes: [0, 1]
+          files:
+            - ALL

linters/pre-commit-hooks/pre_commit_hooks.test.ts

@@ -0,0 +1,19 @@
+import { linterFmtTest, TestCallback } from "tests";
+
+// Due to sqlfluff's fix subcommand being disabled by default, we need to manually enable it in the trunk.yaml.
+const fmtCallbacks: TestCallback = (driver) => {
+  const trunkYamlPath = ".trunk/trunk.yaml";
+  const currentContents = driver.readFile(trunkYamlPath);
+  const sqlfluffRegex = /- pre-commit-hooks@(.+)\n/;
+  const newContents = currentContents.replace(
+    sqlfluffRegex,
+    "- pre-commit-hooks@$1:\n        commands: [end-of-file-fixer]\n",
+  );
+  driver.writeFile(trunkYamlPath, newContents);
+};
+
+linterFmtTest({
+  linterName: "pre-commit-hooks",
+  namedTestPrefixes: ["end-of-file-fixer"],
+  preCheck: fmtCallbacks,
+});

linters/pre-commit-hooks/test_data/end-of-file-fixer.in.txt

@@ -0,0 +1 @@
+This is a file without a new line

linters/pre-commit-hooks/test_data/pre_commit_hooks_v4.4.0_end-of-file-fixer.fmt.shot

@@ -0,0 +1,6 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`Testing formatter pre-commit-hooks test end-of-file-fixer 1`] = `
+"This is a file without a new line
+"
+`;

readme.md

@@ -35,7 +35,7 @@ trunk check enable {linter}
 
 | Technology      | Linters                                                                                                              |
 | --------------- | -------------------------------------------------------------------------------------------------------------------- |
-| All             | [codespell], [cspell], [gitleaks], [git-diff-check]                                                                  |
+| All             | [codespell], [cspell], [gitleaks], [git-diff-check], [pre-commit-hooks]                                              |
 | Ansible         | [ansible-lint]                                                                                                       |
 | Apex            | [pmd]                                                                                                                |
 | Bash            | [shellcheck], [shfmt]                                                                                                |
@@ -132,6 +132,7 @@ trunk check enable {linter}
 [pmd]: https://pmd.github.io/
 [pragma-once]: linters/pragma-once/readme.md
 [prettier]: https://github.com/prettier/prettier#readme
+[pre-commit-hooks]: https://pre-commit.com/hooks.html
 [prisma]: https://github.com/prisma/prisma#readme
 [pylint]: https://github.com/PyCQA/pylint#readme
 [pyright]: https://github.com/microsoft/pyright