2 files changed, 38 insertions, 0 deletions
diff --git a/lib/python/qmk/cli/git/__init__.py b/lib/python/qmk/cli/git/__init__.py
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/lib/python/qmk/cli/git/__init__.py
diff --git a/lib/python/qmk/cli/git/submodule.py b/lib/python/qmk/cli/git/submodule.py
new file mode 100644
index 0000000000..9f354c021e
--- /dev/null
+++ b/lib/python/qmk/cli/git/submodule.py
@@ -0,0 +1,38 @@
+import shutil
+
+from milc import cli
+
+from qmk.path import normpath
+from qmk import submodules
+
+REMOVE_DIRS = [
+    'lib/ugfx',
+    'lib/pico-sdk',
+    'lib/chibios-contrib/ext/mcux-sdk',
+    'lib/lvgl',
+]
+
+
+@cli.argument('--check', arg_only=True, action='store_true', help='Check if the submodules are dirty, and display a warning if they are.')
+@cli.argument('--sync', arg_only=True, action='store_true', help='Shallow clone any missing submodules.')
+@cli.subcommand('Git Submodule actions.')
+def git_submodule(cli):
+    """Git Submodule actions
+    """
+    if cli.args.check:
+        return all(item['status'] for item in submodules.status().values())
+
+    if cli.args.sync:
+        cli.run(['git', 'submodule', 'sync', '--recursive'])
+        for name, item in submodules.status().items():
+            if item['status'] is None:
+                cli.run(['git', 'submodule', 'update', '--depth=50', '--init', name], capture_output=False)
+        return True
+
+    for folder in REMOVE_DIRS:
+        if normpath(folder).is_dir():
+            print(f"Removing '{folder}'")
+            shutil.rmtree(folder)
+
+    cli.run(['git', 'submodule', 'sync', '--recursive'], capture_output=False)
+    cli.run(['git', 'submodule', 'update', '--init', '--recursive', '--progress'], capture_output=False)