add some documentation

1 files changed, 17 insertions, 3 deletions

diff --git a/ozone-cli/src/main.rs b/ozone-cli/src/main.rs
index d857cd1..5174348 100644
--- a/ozone-cli/src/main.rs
+++ b/ozone-cli/src/main.rs
@@ -51,7 +51,7 @@ async fn main_inner(cli: Cli) -> Result<ExitCode, Box<dyn Error>> {
                 }
 
                 let mut inst = if args.clone {
-                    if let Some(selected_inst) = settings.selected_instance.and_then(|i| settings.instances.get(&i)) {
+                    if let Some(selected_inst) = settings.get_selected_instance() {
                         let mut inst = selected_inst.clone();
                         inst.name.replace_range(.., &args.name);
                         inst
@@ -125,7 +125,7 @@ async fn main_inner(cli: Cli) -> Result<ExitCode, Box<dyn Error>> {
                 settings.save().await?;
             },
             InstanceCommand::Set(args) => {
-                let Some(inst) = settings.selected_instance.and_then(|i| settings.instances.get_mut(&i)) else {
+                let Some(inst) = settings.get_selected_instance_mut() else {
                     eprintln!("No instance selected.");
                     return Ok(ExitCode::FAILURE);
                 };
@@ -144,7 +144,7 @@ async fn main_inner(cli: Cli) -> Result<ExitCode, Box<dyn Error>> {
                 settings.save().await?;
             },
             InstanceCommand::Info => {
-                let Some(inst) = settings.selected_instance.and_then(|i| settings.instances.get(&i)) else {
+                let Some(inst) = settings.get_selected_instance() else {
                     eprintln!("No instance selected.");
                     return Ok(ExitCode::FAILURE);
                 };
@@ -161,6 +161,20 @@ async fn main_inner(cli: Cli) -> Result<ExitCode, Box<dyn Error>> {
                 if let Some(res) = inst.resolution {
                     println!("  Game resolution: {}x{}", res.width, res.height);
                 }
+            },
+            InstanceCommand::Rename { name } => {
+                if name.is_empty() {
+                    eprintln!("The instance must not have an empty name.");
+                    return Ok(ExitCode::FAILURE);
+                }
+
+                let Some(inst) = settings.get_selected_instance_mut() else {
+                    eprintln!("No instance selected.");
+                    return Ok(ExitCode::FAILURE);
+                };
+
+                inst.name.replace_range(.., &name);
+                settings.save().await?;
             }
         },
         RootCommand::Launch => {