fix: call repair-wheel-command in iOS builds (#2761)

cibuildwheel/platforms/ios.py

@@ -450,6 +450,7 @@ def build(options: Options, tmp_path: Path) -> None:
             identifier_tmp_dir = tmp_path / config.identifier
             identifier_tmp_dir.mkdir()
             built_wheel_dir = identifier_tmp_dir / "built_wheel"
+            repaired_wheel_dir = identifier_tmp_dir / "repaired_wheel"
 
             constraints_path = build_options.dependency_constraints.get_for_python_version(
                 version=config.version, tmp_dir=identifier_tmp_dir
@@ -523,11 +524,36 @@ def build(options: Options, tmp_path: Path) -> None:
                     case _:
                         assert_never(build_frontend)
 
-                test_wheel = built_wheel = next(built_wheel_dir.glob("*.whl"))
+                built_wheel = next(built_wheel_dir.glob("*.whl"))
 
                 if built_wheel.name.endswith("none-any.whl"):
                     raise errors.NonPlatformWheelError()
 
+                repaired_wheel_dir.mkdir()
+                if build_options.repair_command:
+                    log.step("Repairing wheel...")
+
+                    repair_command_prepared = prepare_command(
+                        build_options.repair_command,
+                        wheel=built_wheel,
+                        dest_dir=repaired_wheel_dir,
+                        package=build_options.package_dir,
+                        project=".",
+                    )
+                    shell(repair_command_prepared, env=env)
+                else:
+                    shutil.move(str(built_wheel), repaired_wheel_dir)
+
+                try:
+                    repaired_wheel = next(repaired_wheel_dir.glob("*.whl"))
+                except StopIteration:
+                    raise errors.RepairStepProducedNoWheelError() from None
+
+                if repaired_wheel.name in {wheel.name for wheel in built_wheels}:
+                    raise errors.AlreadyBuiltWheelError(repaired_wheel.name)
+
+                test_wheel = repaired_wheel
+
                 log.step_end()
 
             if build_options.test_command and build_options.test_selector(config.identifier):
@@ -695,11 +721,11 @@ def build(options: Options, tmp_path: Path) -> None:
             # We're all done here; move it to output (overwrite existing)
             output_wheel: Path | None = None
             if compatible_wheel is None:
-                output_wheel = build_options.output_dir.joinpath(built_wheel.name)
-                moved_wheel = move_file(built_wheel, output_wheel)
+                output_wheel = build_options.output_dir.joinpath(repaired_wheel.name)
+                moved_wheel = move_file(repaired_wheel, output_wheel)
                 if moved_wheel != output_wheel.resolve():
                     log.warning(
-                        f"{built_wheel} was moved to {moved_wheel} instead of {output_wheel}"
+                        f"{repaired_wheel} was moved to {moved_wheel} instead of {output_wheel}"
                     )
                 built_wheels.append(output_wheel)
 

test/test_ios.py

@@ -347,3 +347,37 @@ def test_ios_test_command_invalid(tmp_path, capfd):
         )
     _, err = capfd.readouterr()
     assert "iOS tests configured with a test command which doesn't start with 'python -m'" in err
+
+
+def test_repair_step(tmp_path):
+    """Build will succeed & the custom repair step is called."""
+    skip_if_ios_testing_not_supported()
+
+    project_dir = tmp_path / "project"
+    basic_project = test_projects.new_c_project()
+    basic_project.files.update(basic_project_files)
+    basic_project.generate(project_dir)
+
+    # Build, but don't test the wheels; we're only checking that the right
+    # warning was raised.
+    actual_wheels = utils.cibuildwheel_run(
+        project_dir,
+        add_env={
+            "CIBW_PLATFORM": "ios",
+            "CIBW_BUILD": "cp314-*",
+            "CIBW_TEST_SKIP": "*",
+            "CIBW_REPAIR_WHEEL_COMMAND": "touch .ios-repair-step && mv {wheel} {dest_dir}",
+        },
+    )
+
+    # The expected wheels were produced.
+    expected_wheels = utils.expected_wheels(
+        "spam",
+        "0.1.0",
+        platform="ios",
+        python_abi_tags=["cp314-cp314"],
+    )
+    assert set(actual_wheels) == set(expected_wheels)
+
+    # The custom repair step is called.
+    assert project_dir.joinpath(".ios-repair-step").is_file()