build: Use setuptools-scm to list files and generate sdist version

This partially reverts previous commit 16727ac "build: Restore
documentation and test files in sdist" to finally implement the first
solution (use `setuptools-scm`). Indeed, this solution allows fixing
another one: generate unique tags on each push on GitHub [^1].

The downside is that we have to manually exclude files that aren't
supposed to be embedded in the source distribution.

[^1]: #721 (comment)

Author: adrienverge

.github/workflows/publish.yaml

@@ -13,6 +13,10 @@ jobs:
       - uses: actions/checkout@v4
         with:
           persist-credentials: false
+      - name: Fetch git tags
+        run: |
+          git fetch --prune --unshallow
+          git fetch --depth=1 origin +refs/tags/*:refs/tags/*
       - name: Set up Python
         uses: actions/setup-python@v5
         with:

MANIFEST.in

@@ -1,3 +1 @@
-include *.rst
-include docs/Makefile docs/*.py docs/*.rst docs/*.png
-include tests/*.py tests/rules/*.py tests/yaml-1.2-spec-examples/example-*
+exclude .* .github/**

pyproject.toml

@@ -42,13 +42,12 @@ documentation = "https://yamllint.readthedocs.io"
 
 [build-system]
 build-backend = "setuptools.build_meta"
-requires = ["setuptools >= 61"]
+requires = ["setuptools >= 61", "setuptools-scm >= 8"]
 
 [tool.setuptools]
 packages = ["yamllint", "yamllint.conf", "yamllint.rules"]
 
 [tool.setuptools.package-data]
 yamllint = ["conf/*.yaml"]
 
-[tool.setuptools.dynamic]
-version = {attr = "yamllint.__version__"}
+[tool.setuptools_scm]