fix(common.py/main.py): Fix global settings changes

While doing global settings change due bad internet connection i
reversed to old version by mistake. This will fix kernelci#42
 and make it work as intended.

Signed-off-by: Denys Fedoryshchenko <denys.f@collabora.com>

kcidev/libs/common.py

@@ -7,14 +7,25 @@
 
 
 def load_toml(settings):
-    if not settings:
-        if os.path.exists(".kci-dev.toml"):
-            settings = ".kci-dev.toml"
-        else:
-            homedir = os.path.expanduser("~")
-            settings = os.path.join(homedir, ".config", "kci-dev.toml")
-    if not os.path.exists(settings):
-        raise FileNotFoundError(f"Settings file {settings} not found")
-    with open(settings) as fp:
-        config = toml.load(fp)
+    fname = "kci-dev.toml"
+    config = None
+
+    global_path = os.path.join("/", "etc", fname)
+    if os.path.exists(global_path):
+        with open(global_path, "r") as f:
+            config = toml.load(f)
+
+    home_dir = os.path.expanduser("~")
+    user_path = os.path.join(home_dir, ".config", "kci-dev", fname)
+    if os.path.exists(user_path):
+        with open(user_path, "r") as f:
+            config = toml.load(f)
+
+    if os.path.exists(settings):
+        with open(settings, "r") as f:
+            config = toml.load(f)
+
+    if not config:
+        raise FileNotFoundError("No configuration file found")
+
     return config

kcidev/main.py

@@ -11,7 +11,12 @@
     help="Stand alone tool for Linux Kernel developers and maintainers that can test local Linux Kernel changes on a enabled KernelCI server"
 )
 @click.version_option("0.1.0", prog_name="kci-dev")
-@click.option("--settings", default=None, help="path of toml setting file")
+@click.option(
+    "--settings",
+    default=".kci-dev.toml",
+    help="Local settings file to use",
+    required=False,
+)
 @click.option("--instance", help="API instance to use", required=False)
 @click.pass_context
 def cli(ctx, settings, instance):