chore: Add pre-commit config

Author: ddanier

.pre-commit-config.yaml

@@ -0,0 +1,51 @@
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.3.0
+    hooks:
+      - id: end-of-file-fixer
+      - id: check-added-large-files
+      - id: check-merge-conflict
+      - id: check-docstring-first
+      - id: debug-statements
+  - repo: https://github.com/PyCQA/flake8
+    rev: 5.0.4
+    hooks:
+      - id: flake8
+        args: ["--config=.flake8"]
+        additional_dependencies:
+          - flake8-builtins
+          - flake8-annotations
+          - flake8-commas
+          - flake8-isort
+          - flake8-print
+          - flake8-debugger
+  - repo: https://github.com/pycqa/isort
+    rev: 5.10.1
+    hooks:
+      - id: isort
+  - repo: https://github.com/asottile/pyupgrade
+    rev: v2.37.3
+    hooks:
+      - id: pyupgrade
+        args: ["--py37-plus"]
+  - repo: https://github.com/asottile/add-trailing-comma
+    rev: v2.2.3
+    hooks:
+      - id: add-trailing-comma
+        args: ["--py36-plus"]
+  - repo: https://github.com/Lucas-C/pre-commit-hooks-safety
+    rev: v1.3.0
+    hooks:
+      - id: python-safety-dependencies-check
+  - repo: https://github.com/alessandrojcm/commitlint-pre-commit-hook
+    rev: v9.1.0
+    hooks:
+      - id: commitlint
+        stages: [commit-msg]
+        additional_dependencies:
+          - "@commitlint/config-conventional"
+default_stages:
+  - commit
+default_install_hook_types:
+  - pre-commit
+  - commit-msg

build/Taskfile

@@ -1,13 +1,26 @@
 #!/usr/bin/env bash
 # b5 Taskfile, see https://git.team23.de/build/b5 for details
 
+pre-commit:install() {
+    if ( which pre-commit > /dev/null 2>&1 )
+    then
+        pre-commit install --install-hooks
+    else
+        b5:warn "-----------------------------------------------------------------"
+        b5:warn "pre-commit is not installed - cannot enable pre-commit hooks!"
+        b5:warn "Recommendation: Install pre-commit ('brew install pre-commit')."
+        b5:warn "-----------------------------------------------------------------"
+    fi
+}
+
 task:install() {
-    cd .. && \
-    poetry install
+    task:poetry install
+
+    pre-commit:install
 }
 
 task:update() {
-    task:install
+    task:poetry install
 }
 
 task:poetry() {

commitlint.config.js

@@ -0,0 +1,12 @@
+module.exports = {
+    // See https://github.com/conventional-changelog/commitlint/blob/master/%40commitlint/config-conventional/index.js
+    extends: ['@commitlint/config-conventional'],
+    // Own rules
+    rules: {
+        'subject-case': [
+            2,
+            'never',
+            ['start-case', 'pascal-case', 'upper-case'],
+        ],
+    },
+}