New config.toml: rename default-calendar->default-calendars, add note config.toml file into --help

data/config-schema.json

@@ -8,7 +8,7 @@
       "type": "object",
       "description": "Settings about the set of calendars gcalcli operates on",
       "properties": {
-        "default-calendar": {
+        "default-calendars": {
           "type": "array",
           "items": { "type": "string" },
           "description": "Calendar(s) to use as default for certain commands when no explicit target calendar is otherwise specified"

gcalcli/argparsers.py

@@ -293,12 +293,18 @@ class RawDescArgDefaultsHelpFormatter(
   %(prog)s supports a few other configuration mechanisms in addition to
   the command-line arguments listed below.
 
-  $GCALCLI_CONFIG={config_dir!r}
+  $GCALCLI_CONFIG={config_dir}
     Path to user config directory.
     Note: this path is also used to determine fallback paths to check
     for cache/oauth files to be migrated into their proper data dir
     paths.
 
+  {config_file}
+    A toml config file where some general-purpose settings can be
+    configured.
+    Schema:
+    https://raw.githubusercontent.com/insanum/gcalcli/HEAD/data/config-schema.json
+
   gcalclirc @ {rc_paths}
     A flag file listing additional command-line args to always pass,
     one per line.
@@ -308,17 +314,32 @@ class RawDescArgDefaultsHelpFormatter(
 """
 
 
+def shorten_path(path: pathlib.Path) -> pathlib.Path:
+    """Try to shorten path using special characters like ~.
+
+    Returns original path unmodified if it can't be shortened.
+    """
+    tilde_home = pathlib.Path('~')
+    expanduser_len = len(tilde_home.expanduser().parts)
+    if path.parts[:expanduser_len] == tilde_home.expanduser().parts:
+        return tilde_home.joinpath(*path.parts[expanduser_len:])
+    return path
+
+
 @parser_allow_deprecated(name='program')
 def get_argument_parser():
-    config_dir = env.default_config_dir()
-    rc_paths = [pathlib.Path(config_dir).joinpath('gcalclirc')]
+    config_dir = shorten_path(env.default_config_dir())
+    # Shorten path to ~/PATH if possible for easier readability.
+    rc_paths = [config_dir.joinpath('gcalclirc')]
     legacy_rc_path = pathlib.Path.home().joinpath('.gcalclirc')
     if legacy_rc_path.exists():
-        rc_paths.append(legacy_rc_path)
+        rc_paths.append(shorten_path(legacy_rc_path))
 
     parser = argparse.ArgumentParser(
         description=DESCRIPTION.format(
-            config_dir=config_dir, rc_paths=', '.join(str(p) for p in rc_paths)
+            config_dir=config_dir,
+            config_file=config_dir.joinpath('config.toml'),
+            rc_paths=', '.join(str(p) for p in rc_paths),
         ),
         formatter_class=RawDescArgDefaultsHelpFormatter,
         fromfile_prefix_chars='@',

gcalcli/cli.py

@@ -120,7 +120,7 @@ def main():
         with config_filepath.open('rb') as config_file:
             config = tomllib.load(config_file)
             opts_from_config.defaultCalendar = config.get('calendars', {}).get(
-                'default-calendar', []
+                'default-calendars', []
             )
 
     if parsed_args.config_folder: