Add pixi-build, use hatchling, remove GitInit task

.github/workflows/ci-copier.yml

@@ -84,12 +84,11 @@ jobs:
           # Replace actions trigger with on: [push]
           yq eval '.on = ["push"]' -i .github/workflows/ci.yml
           yq eval '.on = ["push"]' -i .github/workflows/build.yml
-          git add .github/workflows/ci.yml .github/workflows/build.yml
-          git commit -m "Replace actions trigger with on: [push]"
+          git init
           # create pixi.lock
-          pixi list --manifest-path pixi.toml --color=always
-          git add pixi.lock
-          git commit -m "Create pixi.lock"
+          pixi lock --manifest-path pixi.toml --color=always
+          git add .
+          git commit -m "Initial commit"
           # Push the generated package's HEAD commit to a `ci/*` branch
           cid=$(git rev-parse HEAD)
           git push -f "${GITHUB_SERVER_URL/https:\/\//git@}:$GITHUB_REPOSITORY" $cid:refs/heads/${STEPS_BRANCH_OUTPUTS_NAME}

copier.yml

@@ -62,7 +62,3 @@ add_autobump_workflow:
   type: bool
   help: Do you want to add a GitHub Workflow to automatically bump `pixi.lock`?
   default: true
-
-_tasks:
-  - '"{{ _copier_python }}" -I -c "import sys; sys.path.insert(0, \"{{ _copier_conf.src_path }}\"); import runpy;
-    runpy.run_module(\"tasks\", run_name=\"__main__\")"'

template/.github/workflows/build.yml

@@ -18,12 +18,21 @@ jobs:
           fetch-depth: 0
       - name: Set up pixi
         uses: prefix-dev/setup-pixi@a0af7a228712d6121d37aba47adf55c1332c9c2e # v0.9.4
-        with:
-          environments: build
+      - name: Derive version
+        id: version
+        if: startsWith(github.ref, 'refs/tags/')
+        shell: bash
+        run: echo "version=$(git describe --tags --abbrev=0 | sed 's/^v//')" >> $GITHUB_OUTPUT
+      - name: Replace version
+        if: startsWith(github.ref, 'refs/tags/')
+        run: |
+          sed -i -e "s/0.0.0/${STEPS_VERSION_OUTPUTS_VERSION}/g" pyproject.toml
+        env:
+          STEPS_VERSION_OUTPUTS_VERSION: ${{ steps.version.outputs.version }}
       - name: Build project
-        run: pixi run -e build build-wheel
+        run: pixi run build-wheel
       - name: Check package
-        run: pixi run -e build check-wheel
+        run: pixi run check-wheel
       - name: Upload package
         uses: actions/upload-artifact@bbbca2ddaa5d8feaa63e36b76fdaad77386f024f # v7.0.0
         with:

template/.github/workflows/ci.yml.jinja

@@ -55,8 +55,6 @@ jobs:
         uses: prefix-dev/setup-pixi@a0af7a228712d6121d37aba47adf55c1332c9c2e # v0.9.4
         with:
           environments: ${{ matrix.environment }}
-      - name: Install repository
-        run: pixi run -e ${{ matrix.environment }} postinstall
       - name: Run pytest
         run: pixi run -e ${{ matrix.environment }} test-coverage --color=yes
 {%- endraw %}

template/pixi.toml.jinja

@@ -2,35 +2,39 @@
 name = "{{ project_slug }}"
 channels = ["conda-forge"]
 platforms = ["osx-arm64", "osx-64", "linux-64", "win-64"]
+preview = ["pixi-build"]
 
-[tasks]
-postinstall = "pip install --no-build-isolation --no-deps --disable-pip-version-check -e ."
+[package]
+name = "{{ project_slug }}"
+[package.build.backend]
+name = "pixi-build-python"
+version = "*"
+[package.host-dependencies]
+python = ">={{ minimal_python_version.replace('py3', '3.') }}"
+hatchling = "*"
 
 [dependencies]
-python = ">={{ minimal_python_version.replace('py3', '3.') }}"
-pip = "*"
-setuptools = ">=61"
-setuptools-scm = "*"
+{{ project_slug if "." not in project_slug else ('"' ~ project_slug ~ '"') }} = { path = "." }
 
 [feature.test.dependencies]
-pytest = ">=6"
+pytest = "*"
 pytest-cov = "*"
 mypy = "*"
 [feature.test.tasks]
 test = "pytest"
 test-coverage = "pytest --cov={{ project_slug_snake_case }} --cov-report=xml --cov-report=term-missing"
 
 [feature.build.dependencies]
+python = "*"
+hatchling = "*"
 python-build = "*"
-twine = "*"
-wheel = "*"
+twine = ">=6"
 [feature.build.tasks]
 build-wheel = "python -m build --no-isolation ."
 check-wheel = "twine check dist/*"
 
 [feature.lint.dependencies]
 lefthook = "*"
-insert-license-header = "*"
 docformatter = "*"
 ruff = "*"
 prettier = "*"
@@ -55,7 +59,7 @@ python = "3.14.*"
 {%- endif %}
 
 [environments]
-default = ["test", "lint"]
+default = ["test", "build", "lint"]
 {%- if minimal_python_version <= "py310" %}
 py310 = ["py310", "test"]
 {%- endif %}
@@ -71,7 +75,3 @@ py313 = ["py313", "test"]
 {%- if minimal_python_version <= "py314" %}
 py314 = ["py314", "test"]
 {%- endif %}
-{%- if build_docs %}
-docs = ["docs"]
-{%- endif %}
-build = ["build"]

template/pyproject.toml.jinja

@@ -1,14 +1,13 @@
 [build-system]
-requires = ["setuptools", "setuptools-scm", "wheel"]
-
-[tool.setuptools_scm]
-version_scheme = "post-release"
+requires = ["hatchling"]
+build-backend = "hatchling.build"
 
 [project]
 name = "{{ project_slug }}"
 description = "{{ project_short_description }}"
 authors = [{ name = "{{ author_name }}", email = "{{ author_email }}" }]
-dynamic = ["version"]
+# replaced in CI
+version = "0.0.0"
 classifiers = [
   "Programming Language :: Python :: 3",
 {%- if minimal_python_version <= "py310" %}