From a0cee2ebd95de8625cd343d013596b641890a0da Mon Sep 17 00:00:00 2001
From: Javier Viola <javier@parity.io>
Date: Wed, 20 Apr 2022 18:29:24 -0300
Subject: [PATCH 1/2] add build-spec subcommand

---
 test/service/src/cli.rs  | 4 ++++
 test/service/src/main.rs | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/test/service/src/cli.rs b/test/service/src/cli.rs
index 9ec619ed7c2..864654db8ba 100644
--- a/test/service/src/cli.rs
+++ b/test/service/src/cli.rs
@@ -58,6 +58,10 @@ pub enum Commands {
 
 	#[clap(name = "export-genesis-state")]
 	ExportGenesisState(ExportGenesisStateCommand),
+
+	/// Build a chain specification.
+	BuildSpec(sc_cli::BuildSpecCmd),
+
 }
 
 #[derive(Debug, Parser)]
diff --git a/test/service/src/main.rs b/test/service/src/main.rs
index b3e493e08e3..1212d75ba50 100644
--- a/test/service/src/main.rs
+++ b/test/service/src/main.rs
@@ -46,6 +46,10 @@ fn main() -> Result<(), sc_cli::Error> {
 	let cli = TestCollatorCli::parse();
 
 	match &cli.subcommand {
+		Some(Commands::BuildSpec(cmd)) => {
+			let runner = cli.create_runner(cmd)?;
+			runner.sync_run(|config| cmd.run(config.chain_spec, config.network))
+		},
 		Some(Commands::ExportGenesisState(params)) => {
 			let mut builder = sc_cli::LoggerBuilder::new("");
 			builder.with_profiling(sc_tracing::TracingReceiver::Log, "");

From c0a774f64fc49e4a7e1cbec76913da7d91d2477e Mon Sep 17 00:00:00 2001
From: Javier Viola <javier@parity.io>
Date: Thu, 21 Apr 2022 11:31:04 -0300
Subject: [PATCH 2/2] reorder args

---
 test/service/src/cli.rs | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/test/service/src/cli.rs b/test/service/src/cli.rs
index 864654db8ba..fd0254b8567 100644
--- a/test/service/src/cli.rs
+++ b/test/service/src/cli.rs
@@ -25,6 +25,9 @@ use std::{net::SocketAddr, path::PathBuf};
 
 #[derive(Debug, Parser)]
 pub struct ExportGenesisStateCommand {
+	#[clap(default_value_t = 2000u32)]
+	pub parachain_id: u32,
+
 	/// Output file name or stdout if unspecified.
 	#[clap(parse(from_os_str))]
 	pub output: Option<PathBuf>,
@@ -33,13 +36,18 @@ pub struct ExportGenesisStateCommand {
 	#[clap(short, long)]
 	pub raw: bool,
 
-	#[clap(default_value_t = 2000u32)]
-	pub parachain_id: u32,
+	/// The name of the chain for that the genesis state should be exported.
+	#[clap(long)]
+	pub chain: Option<String>,
+
 }
 
 /// Command for exporting the genesis wasm file.
 #[derive(Debug, Parser)]
 pub struct ExportGenesisWasmCommand {
+	#[clap(default_value_t = 2000u32)]
+	pub parachain_id: u32,
+
 	/// Output file name or stdout if unspecified.
 	#[clap(parse(from_os_str))]
 	pub output: Option<PathBuf>,
@@ -48,8 +56,9 @@ pub struct ExportGenesisWasmCommand {
 	#[clap(short, long)]
 	pub raw: bool,
 
-	#[clap(default_value_t = 2000u32)]
-	pub parachain_id: u32,
+	/// The name of the chain for that the genesis wasm file should be exported.
+	#[clap(long)]
+	pub chain: Option<String>,
 }
 #[derive(Subcommand, Debug)]
 pub enum Commands {