fix: raise SitNotSpecifiedError via get_site

frappe/commands/__init__.py

@@ -48,7 +48,7 @@ def get_site(context):
 		site = context.sites[0]
 		return site
 	except (IndexError, TypeError):
-		sys.exit(1)
+		raise frappe.SiteNotSpecifiedError
 
 def popen(command, *args, **kwargs):
 	output    = kwargs.get('output', True)

frappe/commands/utils.py

@@ -385,6 +385,8 @@ def mariadb(context):
 	import os
 
 	site  = get_site(context)
+	if not site:
+		raise SiteNotSpecifiedError
 	frappe.init(site=site)
 
 	# This is assuming you're within the bench instance.