Improve the CI

Signed-off-by: Bernát Gábor <bgabor8@bloomberg.net>

.github/workflows/check.yaml

@@ -0,0 +1,54 @@
+name: check
+on:
+  workflow_dispatch:
+  push:
+    branches: ["main"]
+    tags-ignore: ["**"]
+  pull_request:
+  schedule:
+    - cron: "0 8 * * *"
+
+concurrency:
+  group: check-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        env:
+          - "3.13"
+          - "3.12"
+          - "3.11"
+          - "3.10"
+          - "3.9"
+          - "3.8"
+          - type
+          - dev
+          - pkg_meta
+    steps:
+      - name: Install OS dependencies
+        run: sudo apt-get install graphviz -y
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Install the latest version of uv
+        uses: astral-sh/setup-uv@v3
+        with:
+          enable-cache: true
+          cache-dependency-glob: "pyproject.toml"
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+      - name: Install tox
+        run: uv tool install --python-preference only-managed --python 3.13 tox --with tox-uv
+      - name: Install Python
+        if: startsWith(matrix.env, '3.') && matrix.env != '3.13'
+        run: uv python install --python-preference only-managed ${{ matrix.env }}
+      - name: Setup test suite
+        run: tox run -vv --notest --skip-missing-interpreters false -e ${{ matrix.env }}
+      - name: Run test suite
+        run: tox run --skip-pkg-install -e ${{ matrix.env }}
+        env:
+          PYTEST_ADDOPTS: "-vv --durations=20"
+          DIFF_AGAINST: HEAD

.github/workflows/release.yaml

@@ -0,0 +1,48 @@
+name: Release to PyPI
+on:
+  push:
+    tags: ["*"]
+
+env:
+  dists-artifact-name: python-package-distributions
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Install the latest version of uv
+        uses: astral-sh/setup-uv@v3
+        with:
+          enable-cache: true
+          cache-dependency-glob: "pyproject.toml"
+          github-token: ${{ secrets.GITHUB_TOKEN }}
+      - name: Build package
+        run: uv build --python 3.13 --python-preference only-managed --sdist --wheel . --out-dir dist
+      - name: Store the distribution packages
+        uses: actions/upload-artifact@v4
+        with:
+          name: ${{ env.dists-artifact-name }}
+          path: dist/*
+
+  release:
+    needs:
+      - build
+    runs-on: ubuntu-latest
+    environment:
+      name: release
+      url: https://pypi.org/project/tox-uv/${{ github.ref_name }}
+    permissions:
+      id-token: write
+    steps:
+      - name: Download all the dists
+        uses: actions/download-artifact@v4
+        with:
+          name: ${{ env.dists-artifact-name }}
+          path: dist/
+      - name: Publish to PyPI
+        uses: pypa/gh-action-pypi-publish@v1.10.1
+        with:
+          attestations: true

README.md

@@ -2,7 +2,7 @@
 
 [![PyPI version](https://badge.fury.io/py/tox-uv.svg)](https://badge.fury.io/py/tox-uv)
 [![PyPI Supported Python Versions](https://img.shields.io/pypi/pyversions/tox-uv.svg)](https://pypi.python.org/pypi/tox-uv/)
-[![check](https://github.com/tox-dev/tox-uv/actions/workflows/check.yml/badge.svg)](https://github.com/tox-dev/tox-uv/actions/workflows/check.yml)
+[![check](https://github.com/tox-dev/tox-uv/actions/workflows/check.yaml/badge.svg)](https://github.com/tox-dev/tox-uv/actions/workflows/check.yaml)
 [![Downloads](https://static.pepy.tech/badge/tox-uv/month)](https://pepy.tech/project/tox-uv)
 
 **tox-uv** is a tox plugin which replaces virtualenv and pip with uv in your tox environments.

pyproject.toml

@@ -47,7 +47,7 @@ dependencies = [
   "typing-extensions>=4.12.2; python_version<'3.10'",
   "uv<1,>=0.4.7",
 ]
-optional-dependencies.test = [
+optional-dependencies.testing = [
   "covdefaults>=2.3",
   "devpi-process>=1",
   "pytest>=8.3.2",

tox.ini

@@ -1,7 +1,7 @@
 [tox]
 requires =
     tox>=4.2
-    tox-uv>=1.11.2
+    tox-uv>=1.11.3
 env_list =
     fix
     3.13
@@ -11,64 +11,60 @@ env_list =
     3.9
     3.8
     type
-    readme
+    pkg_meta
 skip_missing_interpreters = true
 
 [testenv]
-description = run the unit tests with pytest under {basepython}
+description = run the unit tests with pytest under {base_python}
 package = wheel
 wheel_build_env = .pkg
 extras =
-    test
+    testing
+pass_env =
+    DIFF_AGAINST
+    PYTEST_*
 set_env =
-    COVERAGE_FILE = {toxworkdir}{/}.coverage.{envname}
+    COVERAGE_FILE = {work_dir}/.coverage.{env_name}
 commands =
-    pytest {tty:--color=yes} {posargs: \
-      --cov {envsitepackagesdir}{/}tox_uv --cov {toxinidir}{/}tests --cov-context=test \
-      --no-cov-on-fail  --cov-config {toxinidir}{/}pyproject.toml \
-      --cov-report term-missing:skip-covered  --junitxml {toxworkdir}{/}junit.{envname}.xml \
-      --cov-report html:{envtmpdir}{/}htmlcov --durations=5 \
+    python -m pytest {tty:--color=yes} {posargs: \
+      --cov {env_site_packages_dir}{/}tox_uv --cov {tox_root}{/}tests \
+      --cov-config=pyproject.toml --no-cov-on-fail --cov-report term-missing:skip-covered --cov-context=test \
+      --cov-report html:{env_tmp_dir}{/}htmlcov --cov-report xml:{work_dir}{/}coverage.{env_name}.xml \
+      --junitxml {work_dir}{/}junit.{env_name}.xml \
       tests}
+    diff-cover --compare-branch {env:DIFF_AGAINST:origin/main} {work_dir}{/}coverage.{env_name}.xml --fail-under 100
 
 [testenv:fix]
-description = run static analysis and style check using flake8
+description = format the code base to adhere to our styles, and complain about what we cannot do automatically
 skip_install = true
 deps =
-    pre-commit-uv>=4.1
-pass_env =
-    HOMEPATH
-    PROGRAMDATA
+    pre-commit-uv>=4.1.1
 commands =
     pre-commit run --all-files --show-diff-on-failure
 
 [testenv:type]
 description = run type check on code base
 deps =
     mypy==1.11.2
-set_env =
-    {tty:MYPY_FORCE_COLOR = 1}
 commands =
-    mypy src {posargs}
-    mypy tests {posargs}
+    mypy src
+    mypy tests
 
-[testenv:readme]
-description = check that the package metadata is correct
+[testenv:pkg_meta]
+description = check that the long description is valid
 skip_install = true
 deps =
-    build[virtualenv]>=1.2.2
+    check-wheel-contents>=0.6
     twine>=5.1.1
-set_env =
-    {tty:FORCE_COLOR = 1}
-change_dir = {toxinidir}
+    uv>=0.4.10
 commands =
-    python -m build --sdist --wheel -o {envtmpdir} .
-    twine check {envtmpdir}{/}*
+    uv build --sdist --wheel --out-dir {env_tmp_dir} .
+    twine check {env_tmp_dir}{/}*
+    check-wheel-contents --no-config {env_tmp_dir}
 
 [testenv:dev]
 description = generate a DEV environment
 package = editable
-extras =
-    test
 commands =
     uv pip tree
     python -c 'import sys; print(sys.executable)'