Add cmd to dump layout to stdout

Adds the ability to dump the default layouts to
stdout, similar to the `zellij setup --dump-config`,
but now it needs the name of a currently existing
layout:

- default
- strider
- disable-status

`zellij setup --dump-layout [LAYOUT]`

1 files changed, 8 insertions, 2 deletions

diff --git a/src/main.rs b/src/main.rs
index 612e130e..22f373a2 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -36,8 +36,14 @@ pub fn main() {
     let config_options = Options::from_cli(&config.options, opts.command.clone());
 
     if let Some(Command::Setup(ref setup)) = opts.command {
-        Setup::from_cli(setup, &opts, &config_options).expect("Failed to print to stdout");
-    }
+        Setup::from_cli(setup, &opts, &config_options).map_or_else(
+            |e| {
+                eprintln!("{:?}", e);
+                process::exit(1);
+            },
+            |_| {},
+        );
+    };
 
     atomic_create_dir(&*ZELLIJ_TMP_DIR).unwrap();
     atomic_create_dir(&*ZELLIJ_TMP_LOG_DIR).unwrap();