👷🏼 Add a basic CI workflow

.github/workflows/ci.yml

@@ -0,0 +1,48 @@
+name: CI
+
+on:
+  - push
+  - pull_request
+
+env:
+  FORCE_COLOR: 1
+
+jobs:
+  test:
+    name: 🧪 Test
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python:
+          - '3.12'
+          - '3.11'
+          - '3.10'
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup PDM
+        uses: pdm-project/setup-pdm@v4
+        with:
+          python-version: ${{ matrix.python }}
+      - name: Install dependencies
+        run: pdm install -G test --frozen-lockfile
+      - name: Run pytest
+        run: pdm run pytest -v
+
+  lint:
+    name: 🧐 Lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup PDM
+        uses: pdm-project/setup-pdm@v4
+        with:
+          python-version: '3.12'
+      - name: Install dependencies
+        run: pdm install -G lint --frozen-lockfile
+      - name: Lint with ruff
+        run: |
+          pdm run ruff check .
+          pdm run ruff format --check .
+      - name: Type check with mypy
+        run: pdm run mypy

README.md

@@ -1,5 +1,7 @@
 # 🗃️ Gentoo Cache Manager
 
+[![CI][ci-badge]][ci]
+
 **Gentoo Cache Manager** aims to help you tweaking build cache settings for individual packages in [Gentoo Linux][gentoo] and some [Gentoo-based][gentoo-based] operating systems.
 
 ## 🧑🏽‍🔬 Usage
@@ -14,6 +16,8 @@ To disable it, run:
 gcm disable glibc
 ```
 
+[ci-badge]: https://img.shields.io/github/actions/workflow/status/Jamim/gentoo-cache-manager/ci.yml.svg
+[ci]: https://github.com/Jamim/gentoo-cache-manager/actions/workflows/ci.yml
 [gentoo]: https://www.gentoo.org
 [gentoo-based]: https://wiki.gentoo.org/wiki/Distributions_based_on_Gentoo
 [ccache]: https://wiki.gentoo.org/wiki/Ccache

tox.ini

@@ -20,6 +20,6 @@ commands =
     ruff format --check .
 
 [testenv:lint-mypy]
-skip_install = true
+package = editable
 deps = mypy
 commands = mypy