Add support for manpages

crates/bws/Cargo.toml

@@ -24,6 +24,7 @@ chrono = { version = "0.4.26", features = [
 ], default-features = false }
 clap = { version = "4.3.0", features = ["derive", "env", "string"] }
 clap_complete = "4.3.2"
+clap_mangen = "0.2.12"
 color-eyre = "0.6"
 comfy-table = "^7.0.1"
 directories = "5.0.1"

crates/bws/src/main.rs

@@ -70,6 +70,8 @@ enum Commands {
 
     #[command(long_about = "Generate shell completion files")]
     Completions { shell: Option<Shell> },
+    #[command(long_about = "Generate manpages at the provided path")]
+    ManPage { path: PathBuf },
 
     #[command(long_about = "Commands available on Projects")]
     Project {
@@ -262,6 +264,24 @@ async fn process_commands() -> Result<()> {
         return Ok(());
     }
 
+    if let Commands::ManPage { path } = command {
+        std::fs::create_dir_all(&path)?;
+        let cmd = Cli::command();
+
+        let man = clap_mangen::Man::new(cmd.clone());
+        let mut buffer: Vec<u8> = Default::default();
+        man.render(&mut buffer)?;
+        std::fs::write(path.join("bws.1"), buffer)?;
+
+        for sc in cmd.get_subcommands() {
+            let name = format!("bws-{}", sc.get_name());
+            let mut buffer: Vec<u8> = Vec::new();
+            clap_mangen::Man::new(sc.clone().name(&name)).render(&mut buffer)?;
+            std::fs::write(path.join(format!("{}{}", &name, ".1")), buffer)?;
+        }
+        return Ok(());
+    }
+
     // Modify profile commands
     if let Commands::Config {
         name,
@@ -594,7 +614,7 @@ async fn process_commands() -> Result<()> {
             }
         }
 
-        Commands::Config { .. } | Commands::Completions { .. } => {
+        Commands::Config { .. } | Commands::Completions { .. } | Commands::ManPage { .. } => {
             unreachable!()
         }
     }