Remove awful setuptools-scm hack

Author: alexreinking

.github/workflows/pip.yml

@@ -59,13 +59,6 @@ jobs:
           fetch-depth: 0
           fetch-tags: true
 
-      # See: https://github.com/pypa/setuptools-scm/issues/455
-      - name: Suppress git version tag
-        if: github.event_name == 'push' && github.ref_name == 'main'
-        run: |
-          echo 'local_scheme = "no-local-version"' >> pyproject.toml
-          git update-index --assume-unchanged pyproject.toml
-
       - uses: ilammy/msvc-dev-cmd@v1
       - uses: lukka/[email protected]
 
@@ -210,6 +203,9 @@ jobs:
         env:
           CIBW_BUILD: "cp3*-${{ matrix.platform_tag }}"
           CIBW_SKIP: "cp3{5,6,7,8}*"
+          # Suppress the git version tag (necessary for TestPyPI)
+          CIBW_ENVIRONMENT: >
+            SETUPTOOLS_SCM_OVERRIDES_FOR_HALIDE='{local_scheme="no-local-version"}'
           CIBW_ENVIRONMENT_MACOS: >
             CMAKE_PREFIX_PATH='${{ github.workspace }}/opt'
             Python_ROOT_DIR=''

pyproject.toml

@@ -2,6 +2,7 @@
 requires = [
     "pybind11>=2.11.1",
     "scikit-build-core==0.11.5",
+    "setuptools-scm>=8.3.1",
 ]
 build-backend = "scikit_build_core.build"
 
@@ -111,6 +112,9 @@ if.platform-system = "^win32"
 inherit.cmake.define = "append"
 cmake.define.Halide_WASM_BACKEND = "OFF"
 
+[tool.setuptools_scm]
+# Needs to exist for scikit-build-core to use setuptools_scm
+
 [tool.ruff.lint]
 # docs: https://docs.astral.sh/ruff/rules/
 select = [
@@ -165,7 +169,3 @@ search = "#define HALIDE_VERSION_MINOR {current_version}"
 src = "src/runtime/HalideRuntime.h"
 version_template = "{patch}"
 search = "#define HALIDE_VERSION_PATCH {current_version}"
-
-# Must be last table in file since pip.yml appends to it
-# See: https://github.com/pypa/setuptools-scm/issues/455
-[tool.setuptools_scm]