fix: adapt to upstream clap changes

Signed-off-by: Roman Volosatovs <[email protected]>

Cargo.toml

@@ -29,7 +29,7 @@ rand = { version = "0.8", features = ["std"], default-features = false }
 tracing-subscriber = { version="^0.3.15", features = ["env-filter", "json", "fmt"], default-features = false }
 tower-http = { version = "^0.3.0", features = ["trace"], default-features = false }
 axum = { version = "^0.5.16", features = ["headers"], default-features = false }
-clap = { version = "^4.0.17", features = ["std", "derive", "env"], default-features = false }
+clap = { version = "^4.0.17", features = ["help", "usage", "error-context", "std", "derive", "env"], default-features = false }
 hyper = { git = "https://github.com/rjzak/hyper", branch = "wasi_wip", features = ["http1", "server"], default-features = false }
 tokio = { version = "^1.21.2", features = ["rt", "macros"], default-features = false }
 uuid = { version = "^0.8.2", features = ["v4"], default-features = false }

src/main.rs

@@ -66,24 +66,24 @@ const BUNDLE: &str = "application/vnd.steward.pkcs10-bundle.v1";
 /// The configuration file must contain valid TOML table mapping argument
 /// names to their values.
 #[derive(Clone, Debug, Parser)]
-#[clap(author, version, about)]
+#[command(author, version, about)]
 struct Args {
-    #[clap(short, long, env = "STEWARD_KEY")]
+    #[arg(short, long, env = "STEWARD_KEY")]
     key: Option<PathBuf>,
 
-    #[clap(short, long, env = "STEWARD_CRT")]
+    #[arg(short, long, env = "STEWARD_CRT")]
     crt: Option<PathBuf>,
 
-    #[clap(short, long, env = "ROCKET_PORT", default_value = "3000")]
+    #[arg(short, long, env = "ROCKET_PORT", default_value = "3000")]
     port: u16,
 
-    #[clap(short, long, env = "ROCKET_ADDRESS", default_value = "::")]
+    #[arg(short, long, env = "ROCKET_ADDRESS", default_value = "::")]
     addr: IpAddr,
 
-    #[clap(short, long, env = "RENDER_EXTERNAL_HOSTNAME")]
+    #[arg(long, env = "RENDER_EXTERNAL_HOSTNAME")]
     host: Option<String>,
 
-    #[clap(long, env = "STEWARD_SAN")]
+    #[arg(long, env = "STEWARD_SAN")]
     san: Option<String>,
 }