From 507e32b28c5067fb01cb85c3259a50bec7ec1907 Mon Sep 17 00:00:00 2001
From: Nick Brassel <nick@tzarc.org>
Date: Mon, 15 May 2023 21:58:12 +1000
Subject: Generate `make` dependency file during build for info.json's etc.
 (#20451)

---
 lib/python/qmk/cli/generate/make_dependencies.py | 56 ++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100755 lib/python/qmk/cli/generate/make_dependencies.py

(limited to 'lib/python/qmk/cli/generate')

diff --git a/lib/python/qmk/cli/generate/make_dependencies.py b/lib/python/qmk/cli/generate/make_dependencies.py
new file mode 100755
index 0000000000..635c341897
--- /dev/null
+++ b/lib/python/qmk/cli/generate/make_dependencies.py
@@ -0,0 +1,56 @@
+"""Used by the make system to generate dependency lists for each of the generated files.
+"""
+from pathlib import Path
+from milc import cli
+
+from argcomplete.completers import FilesCompleter
+
+from qmk.commands import dump_lines
+from qmk.constants import QMK_FIRMWARE
+from qmk.keyboard import keyboard_completer, keyboard_folder
+from qmk.keymap import keymap_completer, locate_keymap
+from qmk.path import normpath, FileType
+
+
+@cli.argument('filename', nargs='?', arg_only=True, type=FileType('r'), completer=FilesCompleter('.json'), help='A configurator export JSON.')
+@cli.argument('-o', '--output', arg_only=True, type=normpath, help='File to write to')
+@cli.argument('-q', '--quiet', arg_only=True, action='store_true', help="Quiet mode, only output error messages")
+@cli.argument('-kb', '--keyboard', type=keyboard_folder, completer=keyboard_completer, required=True, help='Keyboard to generate dependency file for.')
+@cli.argument('-km', '--keymap', completer=keymap_completer, help='The keymap to build a firmware for. Ignored when a configurator export is supplied.')
+@cli.subcommand('Generates the list of dependencies associated with a keyboard build and its generated files.', hidden=True)
+def generate_make_dependencies(cli):
+    """Generates the list of dependent info.json, rules.mk, and config.h files for a keyboard.
+    """
+    interesting_files = [
+        'info.json',
+        'keymap.json',
+        'rules.mk',
+        'post_rules.mk',
+        'config.h',
+        'post_config.h',
+    ]
+
+    found_files = []
+
+    # Walk up the keyboard's directory tree looking for the files we're interested in
+    keyboards_root = Path('keyboards')
+    parent_path = Path('keyboards') / cli.args.keyboard
+    while parent_path != keyboards_root:
+        for file in interesting_files:
+            test_path = parent_path / file
+            if test_path.exists():
+                found_files.append(test_path)
+        parent_path = parent_path.parent
+
+    # Find the keymap and include any of the interesting files
+    if cli.args.keymap is not None:
+        km = locate_keymap(cli.args.keyboard, cli.args.keymap)
+        if km is not None:
+            for file in interesting_files:
+                found_files.extend(km.parent.glob(f'**/{file}'))
+
+    # If we have a matching userspace, include those too
+    for file in interesting_files:
+        found_files.extend((QMK_FIRMWARE / 'users' / cli.args.keymap).glob(f'**/{file}'))
+
+    dump_lines(cli.args.output, [f'generated-files: {found.resolve()}\n' for found in found_files])
-- 
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