From 2de188992ca25fe0b25640912b5c3d6ef8b02af9 Mon Sep 17 00:00:00 2001
From: Jean Alinei <jean.alinei@owntech.org>
Date: Wed, 25 Jun 2025 16:50:37 +0200
Subject: [PATCH] Simplify ignore script to run once

---
 owntech/pio_extra.ini                |  2 ++
 owntech/scripts/pre_ignore_vscode.py | 25 +++++++++++++++++++++++++
 2 files changed, 27 insertions(+)
 create mode 100644 owntech/scripts/pre_ignore_vscode.py

diff --git a/owntech/pio_extra.ini b/owntech/pio_extra.ini
index 3b709e68..59b93b61 100644
--- a/owntech/pio_extra.ini
+++ b/owntech/pio_extra.ini
@@ -70,6 +70,7 @@ debug_init_cmds =
 debug_load_cmds =
 
 extra_scripts =
+    pre:owntech/scripts/pre_ignore_vscode.py
     pre:owntech/scripts/pre_target_gui_config.py
     pre:owntech/scripts/pre_target_install_bootloader.py
     pre:owntech/scripts/pre_bootloader_common.py
@@ -101,6 +102,7 @@ upload_flags =
 upload_command = MCUMGRPATH $UPLOAD_FLAGS $SOURCE
 
 extra_scripts =
+    pre:owntech/scripts/pre_ignore_vscode.py
     pre:owntech/scripts/pre_target_gui_config.py
     pre:owntech/scripts/pre_bootloader_common.py
     pre:owntech/scripts/pre_bootloader_serial.py
diff --git a/owntech/scripts/pre_ignore_vscode.py b/owntech/scripts/pre_ignore_vscode.py
new file mode 100644
index 00000000..b04ab7aa
--- /dev/null
+++ b/owntech/scripts/pre_ignore_vscode.py
@@ -0,0 +1,25 @@
+"""Mark VSCode settings as assume-unchanged with minimal overhead."""
+
+from pathlib import Path
+import subprocess
+
+
+def main() -> None:
+    settings = Path(".vscode") / "settings.json"
+    flag = Path(".pio") / "ignore_vscode.flag"
+
+    if not settings.is_file() or flag.exists():
+        return
+
+    subprocess.run(
+        ["git", "update-index", "--assume-unchanged", str(settings)], check=False
+    )
+
+    flag.parent.mkdir(parents=True, exist_ok=True)
+    flag.write_text("done")
+
+
+if __name__ == "__main__":
+    main()
+
+