Perform stricter lint checks (#17348)

2 files changed, 97 insertions, 29 deletions

diff --git a/lib/python/qmk/cli/lint.py b/lib/python/qmk/cli/lint.py
index 96593ed69b..38b6457c43 100644
--- a/lib/python/qmk/cli/lint.py
+++ b/lib/python/qmk/cli/lint.py
@@ -7,26 +7,43 @@ from milc import cli
 from qmk.decorators import automagic_keyboard, automagic_keymap
 from qmk.info import info_json
 from qmk.keyboard import keyboard_completer, list_keyboards
-from qmk.keymap import locate_keymap
+from qmk.keymap import locate_keymap, list_keymaps
 from qmk.path import is_keyboard, keyboard
+from qmk.git import git_get_ignored_files
 
 
-def keymap_check(kb, km):
-    """Perform the keymap level checks.
+def _list_defaultish_keymaps(kb):
+    """Return default like keymaps for a given keyboard
     """
-    ok = True
-    keymap_path = locate_keymap(kb, km)
+    defaultish = ['ansi', 'iso', 'via']
 
-    if not keymap_path:
+    keymaps = set()
+    for x in list_keymaps(kb):
+        if x in defaultish or x.startswith('default'):
+            keymaps.add(x)
+
+    return keymaps
+
+
+def _handle_json_errors(kb, info):
+    """Convert any json errors into lint errors
+    """
+    ok = True
+    # Check for errors in the json
+    if info['parse_errors']:
         ok = False
-        cli.log.error("%s: Can't find %s keymap.", kb, km)
+        cli.log.error(f'{kb}: Errors found when generating info.json.')
 
+    if cli.config.lint.strict and info['parse_warnings']:
+        ok = False
+        cli.log.error(f'{kb}: Warnings found when generating info.json (Strict mode enabled.)')
     return ok
 
 
-def rules_mk_assignment_only(keyboard_path):
+def _rules_mk_assignment_only(kb):
     """Check the keyboard-level rules.mk to ensure it only has assignments.
     """
+    keyboard_path = keyboard(kb)
     current_path = Path()
     errors = []
 
@@ -58,10 +75,58 @@ def rules_mk_assignment_only(keyboard_path):
     return errors
 
 
+def keymap_check(kb, km):
+    """Perform the keymap level checks.
+    """
+    ok = True
+    keymap_path = locate_keymap(kb, km)
+
+    if not keymap_path:
+        ok = False
+        cli.log.error("%s: Can't find %s keymap.", kb, km)
+        return ok
+
+    # Additional checks
+    invalid_files = git_get_ignored_files(keymap_path.parent)
+    for file in invalid_files:
+        cli.log.error(f'{kb}/{km}: The file "{file}" should not exist!')
+        ok = False
+
+    return ok
+
+
+def keyboard_check(kb):
+    """Perform the keyboard level checks.
+    """
+    ok = True
+    kb_info = info_json(kb)
+
+    if not _handle_json_errors(kb, kb_info):
+        ok = False
+
+    # Additional checks
+    rules_mk_assignment_errors = _rules_mk_assignment_only(kb)
+    if rules_mk_assignment_errors:
+        ok = False
+        cli.log.error('%s: Non-assignment code found in rules.mk. Move it to post_rules.mk instead.', kb)
+        for assignment_error in rules_mk_assignment_errors:
+            cli.log.error(assignment_error)
+
+    invalid_files = git_get_ignored_files(f'keyboards/{kb}/')
+    for file in invalid_files:
+        if 'keymap' in file:
+            continue
+        cli.log.error(f'{kb}: The file "{file}" should not exist!')
+        ok = False
+
+    return ok
+
+
 @cli.argument('--strict', action='store_true', help='Treat warnings as errors')
 @cli.argument('-kb', '--keyboard', completer=keyboard_completer, help='Comma separated list of keyboards to check')
 @cli.argument('-km', '--keymap', help='The keymap to check')
 @cli.argument('--all-kb', action='store_true', arg_only=True, help='Check all keyboards')
+@cli.argument('--all-km', action='store_true', arg_only=True, help='Check all keymaps')
 @cli.subcommand('Check keyboard and keymap for common mistakes.')
 @automagic_keyboard
 @automagic_keymap
@@ -73,7 +138,7 @@ def lint(cli):
     # Determine our keyboard list
     if cli.args.all_kb:
         if cli.args.keyboard:
-            cli.log.warning('Both --all-kb and --keyboard passed, --all-kb takes presidence.')
+            cli.log.warning('Both --all-kb and --keyboard passed, --all-kb takes precedence.')
 
         keyboard_list = list_keyboards()
     elif not cli.config.lint.keyboard:
@@ -89,31 +154,25 @@ def lint(cli):
             cli.log.error('No such keyboard: %s', kb)
             continue
 
-        # Gather data about the keyboard.
-        ok = True
-        keyboard_path = keyboard(kb)
-        keyboard_info = info_json(kb)
-
-        # Check for errors in the info.json
-        if keyboard_info['parse_errors']:
-            ok = False
-            cli.log.error('%s: Errors found when generating info.json.', kb)
+        # Determine keymaps to also check
+        if cli.args.all_km:
+            keymaps = list_keymaps(kb)
+        elif cli.config.lint.keymap:
+            keymaps = {cli.config.lint.keymap}
+        else:
+            keymaps = _list_defaultish_keymaps(kb)
+            # Ensure that at least a 'default' keymap always exists
+            keymaps.add('default')
 
-        if cli.config.lint.strict and keyboard_info['parse_warnings']:
-            ok = False
-            cli.log.error('%s: Warnings found when generating info.json (Strict mode enabled.)', kb)
+        ok = True
 
-        # Check the rules.mk file(s)
-        rules_mk_assignment_errors = rules_mk_assignment_only(keyboard_path)
-        if rules_mk_assignment_errors:
+        # keyboard level checks
+        if not keyboard_check(kb):
             ok = False
-            cli.log.error('%s: Non-assignment code found in rules.mk. Move it to post_rules.mk instead.', kb)
-            for assignment_error in rules_mk_assignment_errors:
-                cli.log.error(assignment_error)
 
         # Keymap specific checks
-        if cli.config.lint.keymap:
-            if not keymap_check(kb, cli.config.lint.keymap):
+        for keymap in keymaps:
+            if not keymap_check(kb, keymap):
                 ok = False
 
         # Report status
diff --git a/lib/python/qmk/git.py b/lib/python/qmk/git.py
index beeb689144..f493628492 100644
--- a/lib/python/qmk/git.py
+++ b/lib/python/qmk/git.py
@@ -108,3 +108,12 @@ def git_check_deviation(active_branch):
     cli.run(['git', 'fetch', 'upstream', active_branch])
     deviations = cli.run(['git', '--no-pager', 'log', f'upstream/{active_branch}...{active_branch}'])
     return bool(deviations.returncode)
+
+
+def git_get_ignored_files(check_dir='.'):
+    """Return a list of files that would be captured by the current .gitingore
+    """
+    invalid = cli.run(['git', 'ls-files', '-c', '-o', '-i', '--exclude-standard', check_dir])
+    if invalid.returncode != 0:
+        return []
+    return invalid.stdout.strip().splitlines()