From d052447fa38314c714908cb167dafbc6d71e7a57 Mon Sep 17 00:00:00 2001
From: Gonsolo <gonsolo@gmail.com>
Date: Fri, 30 Jan 2026 12:54:50 +0100
Subject: [PATCH] feat(project): add `--no-docker` option (#150)

Contributed by @gonsolo
---
 project.py | 18 ++++++++++++++----
 tt_tool.py | 12 +++++++++---
 2 files changed, 23 insertions(+), 7 deletions(-)

diff --git a/project.py b/project.py
index 7fcb0bd..5482009 100644
--- a/project.py
+++ b/project.py
@@ -508,7 +508,7 @@ class Project:
         shutil.copyfile("golden_config.json", os.path.join(self.src_dir, "config.json"))
         self.harden()
 
-    def harden(self):
+    def harden(self, no_docker: bool = False):
         cwd = os.getcwd()
         os.chdir(self.local_dir)
 
@@ -523,7 +523,12 @@ class Project:
         arg_progress = "--hide-progress-bar" if "CI" in os.environ else ""
         arg_pdk_root = '--pdk-root "$PDK_ROOT"' if "PDK_ROOT" in os.environ else ""
         arg_pdk = self.tech.librelane_pdk_args
-        harden_cmd = f"python -m librelane {arg_pdk_root} --docker-no-tty --dockerized {arg_pdk_root} {arg_pdk} --run-tag wokwi --force-run-dir runs/wokwi {arg_progress} src/config_merged.json"
+
+        # Nix/No-Docker support: Conditionally include docker flags
+        arg_docker = "" if no_docker else f"{arg_pdk_root} --docker-no-tty --dockerized"
+
+        harden_cmd = f"python -m librelane {arg_docker} {arg_pdk_root} {arg_pdk} --run-tag wokwi --force-run-dir runs/wokwi {arg_progress} src/config_merged.json"
+
         env = os.environ.copy()
         logging.debug(harden_cmd)
         p = subprocess.run(harden_cmd, shell=True, env=env)
@@ -610,9 +615,14 @@ class Project:
             os.path.join(stats_dir, "synthesis-stats.txt"),
         )
 
-    def run_custom_librelane_flow(self, flow_name: str):
+    def run_custom_librelane_flow(self, flow_name: str, no_docker: bool = False):
         logging.info(f"Running {flow_name} for {self}")
-        ll_cmd = f"python -m librelane --docker-no-tty --dockerized {self.tech.librelane_pdk_args} --run-tag wokwi --force-run-dir {self.local_dir}/runs/wokwi {self.local_dir}/src/config_merged.json --flow {flow_name}"
+
+        # Nix/No-Docker support: Conditionally include docker flags
+        arg_docker = "" if no_docker else "--docker-no-tty --dockerized"
+
+        ll_cmd = f"python -m librelane {arg_docker} {self.tech.librelane_pdk_args} --run-tag wokwi --force-run-dir {self.local_dir}/runs/wokwi {self.local_dir}/src/config_merged.json --flow {flow_name}"
+
         logging.debug(ll_cmd)
         p = subprocess.run(ll_cmd, shell=True)
         if p.returncode != 0:
diff --git a/tt_tool.py b/tt_tool.py
index 8729656..ab1bbe9 100755
--- a/tt_tool.py
+++ b/tt_tool.py
@@ -106,6 +106,12 @@ if __name__ == "__main__":
     )
 
     # Hardening and submission
+    parser.add_argument(
+        "--no-docker",
+        help="Do not use Docker for LibreLane commands",
+        action="store_true",
+        default=False,
+    )
     parser.add_argument(
         "--create-user-config",
         help="create the user_config.json file with top module and source files",
@@ -203,16 +209,16 @@ if __name__ == "__main__":
         project.create_user_config()
 
     if args.harden:
-        project.harden()
+        project.harden(no_docker=args.no_docker)
 
     if args.create_tt_submission:
         project.create_tt_submission()
 
     if args.open_in_klayout:
-        project.run_custom_librelane_flow("OpenInKLayout")
+        project.run_custom_librelane_flow("OpenInKLayout", no_docker=args.no_docker)
 
     if args.open_in_openroad:
-        project.run_custom_librelane_flow("OpenInOpenROAD")
+        project.run_custom_librelane_flow("OpenInOpenROAD", no_docker=args.no_docker)
 
     if args.create_pdf:
         project.create_project_datasheet(args.template_version)