From 2203afc601a1a16f299bb8e3691a57e45c8230fc Mon Sep 17 00:00:00 2001
From: Armaan Bhojwani <me@armaanb.net>
Date: Sat, 13 Feb 2021 17:59:48 -0500
Subject: [PATCH] Exit if specified config file does not exist

---
 lightcards/config.py | 6 ++++--
 lightcards/runner.py | 4 +++-
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/lightcards/config.py b/lightcards/config.py
index 2b8b938..04cfdf9 100644
--- a/lightcards/config.py
+++ b/lightcards/config.py
@@ -27,8 +27,10 @@ def read_file(file):
         files.append(local_xdg)
     if os.path.exists(local):
         files.append(local)
-    if os.path.exists(file):
-        files.append(file)
+
+    files.append(file)
+    if not os.path.exists(file):
+        raise ConfigException(f'"{file}": No such file or directory') from None
 
     for f in files:
         exec(Path(str(f)).read_text(), {}, config)
diff --git a/lightcards/runner.py b/lightcards/runner.py
index 3b8737c..852bf5b 100644
--- a/lightcards/runner.py
+++ b/lightcards/runner.py
@@ -20,7 +20,9 @@ def parse_args():
     parser.add_argument(
         "-c",
         "--config",
+        metavar="path",
         type=str,
+        default="/dev/null",
         help="specify custom config file",
     )
     parser.add_argument(
@@ -29,7 +31,7 @@ def parse_args():
         metavar="view",
         type=int,
         choices=range(1, 4),
-        help="specify which view to start in (default = 1)",
+        help="specify which view to start in",
     )
     parser.add_argument("inp", metavar="input file", type=str, nargs=1)
     parser.add_argument(
-- 
2.39.2