Fail gracefully when patterncfg init was not run

1 files changed, 8 insertions, 4 deletions

diff --git a/patternutils/commands/patterncfg.py b/patternutils/commands/patterncfg.py
index 231940c..e2432d6 100644
--- a/patternutils/commands/patterncfg.py
+++ b/patternutils/commands/patterncfg.py
@@ -24,10 +24,14 @@ def init() -> None:
 
 @patterncfg.command(name='list', help='list all patternutils template files')
 def list() -> None:
-    for d in os.listdir(config.CONFIG_PATH):
-        click.secho(d, fg='blue')
-        for f in os.listdir(os.path.join(config.CONFIG_PATH, d)):
-            click.echo('└── {}'.format(f))
+    try:
+        for d in os.listdir(config.CONFIG_PATH):
+            click.secho(d, fg='blue')
+            for f in os.listdir(os.path.join(config.CONFIG_PATH, d)):
+                click.echo('└── {}'.format(f))
+    except FileNotFoundError as e:
+        click.secho('{} not found! Please run patterncfg init first.'.format(e.filename), fg='red', err=True)
+        raise SystemExit
 
 
 @patterncfg.command(name='add', help='add new template file')