Merge pull request #55 from ksk001100/feature/fix-v1.1.0

Show command alias in help

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "seahorse"
-version = "1.1.0"
+version = "1.1.1"
 authors = ["ksk001100 <[email protected]>"]
 edition = "2018"
 keywords = [

README.md

@@ -24,7 +24,7 @@ To use seahorse, add this to your Cargo.toml:
 
 ```toml
 [dependencies]
-seahorse = "1.1.0"
+seahorse = "1.1"
 ```
 
 ## Example

examples/multiple_app.rs

@@ -54,8 +54,8 @@ fn hello_command() -> Command {
     Command::new("hello")
         .description("hello command")
         .usage("multiple_app hello(he, h) [name]")
-        .alias("he")
         .alias("h")
+        .alias("he")
         .action(hello_action)
         .flag(
             Flag::new("bye", FlagType::Bool)

src/app.rs

@@ -333,10 +333,24 @@ impl App {
         if let Some(commands) = &self.commands {
             text += "\nCommands:\n";
 
-            let name_max_len = &commands.iter().map(|c| c.name.len()).max().unwrap();
+            let name_max_len = &commands
+                .iter()
+                .map(|c| {
+                    if let Some(alias) = &c.alias {
+                        format!("{}, {}", alias.join(", "), c.name).len()
+                    } else {
+                        c.name.len()
+                    }
+                })
+                .max()
+                .unwrap();
 
             for c in commands {
-                let command_name_len = c.name.len();
+                let command_name = if let Some(alias) = &c.alias {
+                    format!("{}, {}", alias.join(", "), c.name)
+                } else {
+                    c.name.clone()
+                };
 
                 let description = match &c.description {
                     Some(description) => description,
@@ -345,8 +359,8 @@ impl App {
 
                 text += &format!(
                     "\t{} {}: {}\n",
-                    c.name,
-                    " ".repeat(name_max_len - command_name_len),
+                    command_name,
+                    " ".repeat(name_max_len - command_name.len()),
                     description
                 );
             }