Add bumpver to automatically bump and tag versions

README.md

@@ -123,9 +123,8 @@ Uploading a new wheel happens with `hatchling` and `twine`:
 
 First, update version number in `pyproject.toml`.
 
-    $ black .
-    $ git tag 0.x.x
-    $ git push --tags
+    $ bumpver update --patch
     $ python3 -m pip install --upgrade build twine
     $ rm dist/* && python3 -m build
     $ python3 -m twine upload dist/*
+    $ git push --tags

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "django-cal"
-version = "0.4.2"
+version = "0.4.1"
 authors = [
     { name = "Maik Hoepfel", email = "[email protected]" },
 ]
@@ -28,7 +28,9 @@ dependencies = [
 
 [project.optional-dependencies]
 tests = [
-    "pytest", "pytest-django", "pre-commit", "isort", "black", "flake8", "pyupgrade"
+    "pytest", "pytest-django",
+    "pre-commit", "isort", "black", "flake8", "pyupgrade",
+    "bumpver"
 ]
 
 [project.urls]
@@ -83,3 +85,17 @@ ignore = [
 # https://black.readthedocs.io/en/stable/the_black_code_style.html
 [tool.isort]
 profile = "black"
+
+[tool.bumpver]
+current_version = "0.4.1"
+version_pattern = "MAJOR.MINOR.PATCH"
+commit_message = "Bump version {old_version} -> {new_version}"
+commit = true
+tag = true
+push = false
+
+[tool.bumpver.file_patterns]
+"pyproject.toml" = [
+    'current_version = "{version}"',
+    'version = "{version}"',
+]