[cmake] Cleanup accross the entire build system (#5527)

Co-authored-by: Mathieu Taillefumier <mathieu.taillefumier@free.fr>

tools/precommit/precommit_server.py

@@ -67,6 +67,18 @@ def cmakeformat():
     return run_tool(["cmake-format", "-i"], timeout=30)
 
 
+# ======================================================================================
+@app.route("/cmakelint", methods=["POST"])
+def cmakelint():
+    # Note: the config path must be passed as a single "--flag=value" token.
+    # cmake-lint's "-c"/"--config-files" option is nargs="+", so passing it as
+    # two separate argv tokens ("-c", path) would greedily swallow the target
+    # filename that run_tool() appends as another config file, and silently
+    # scan zero files instead.
+    config = f"--config-files={os.getcwd()}/cmake-lint.yaml"
+    return run_tool(["cmake-lint", config], timeout=30)
+
+
 # ======================================================================================
 @app.route("/fortitude", methods=["POST"])
 def fortitude():