build: add check that generated code is committed

Signed-off-by: David Bernard <[email protected]>

Makefile

@@ -13,19 +13,25 @@ build_%:
 
 check:
 	cargo hack check --each-feature
+
 check_no_std:
 	cargo --version
 	cargo check --target thumbv7em-none-eabihf -p ockam --no-default-features --features 'no_std alloc software_vault'
 	# no_std example project
 	cd examples/rust/example_projects/no_std
 	cargo check --example hello
+
 check_cargo_update:
 	cargo --version
 	# TODO: uncomment when tauri version is updated
 	# rm -rf Cargo.lock
 	# cargo update
 	# cargo check
 
+# no uncommitted changes on sdk (generated code)
+check_no_uncommitted_changes_on_sdk:
+	git diff --exit-code cdevents-sdk
+
 lint: lint_cargo_fmt_check lint_cargo_deny lint_cargo_clippy
 
 lint_cargo_fmt_check:
@@ -59,6 +65,7 @@ test:
 
 .PHONY:
 	generate \
-	check test \
+	check check_no_uncommitted_changes_on_sdk \
+	test \
 	lint lint_cargo_fmt_check lint_cargo_deny lint_cargo_clippy lint_cargo_toml_files lint_cargo_readme lint_cargo_readme_% lint_cargo_toml_files \
 	clean clean_% very_clean format