Require at least one block when running a server

README.md

@@ -14,7 +14,7 @@ stack build
 You can also use the scripts in the `bin`-directory (all scripts will rebuild the project if required):
 ```
 # Launch as swaybar status command while redirecting stderr to shell
-./bin/run-sway
+./bin/run-sway default
 
 # Run the binary directly (mostly used to control the bar via rpc)
 ./bin/run --help

src/QBar/Cli.hs

@@ -60,11 +60,8 @@ pipeClientParser = do
 
 barConfigurationParser :: Parser (BarIO ())
 barConfigurationParser = do
-  blocks <- many blockParser
-  pure $ case blocks of
-    -- Load default config if no blocks are selected on the command line
-    [] -> defaultBarConfig
-    l -> sequence_ l
+  blocks <- some blockParser
+  pure $ sequence_ blocks
 
 blockParser :: Parser (BarIO ())
 blockParser = subparser (