From b4aab006c2bb290826cdba51168781cf0b0b333b Mon Sep 17 00:00:00 2001
From: Esteban Borai <estebanborai@gmail.com>
Date: Thu, 29 Sep 2022 18:45:59 -0300
Subject: [PATCH] feat: smdk build command

---
 crates/fluvio-cli/src/client/smdk/build.rs | 41 ++++++++++++++++++++++
 crates/fluvio-cli/src/client/smdk/mod.rs   |  6 ++++
 2 files changed, 47 insertions(+)
 create mode 100644 crates/fluvio-cli/src/client/smdk/build.rs

diff --git a/crates/fluvio-cli/src/client/smdk/build.rs b/crates/fluvio-cli/src/client/smdk/build.rs
new file mode 100644
index 00000000000..1cbfaf4cadb
--- /dev/null
+++ b/crates/fluvio-cli/src/client/smdk/build.rs
@@ -0,0 +1,41 @@
+use std::fmt::Debug;
+use std::process::Command;
+use std::sync::Arc;
+
+use async_trait::async_trait;
+use fluvio_extension_common::Terminal;
+use clap::Parser;
+use fluvio::Fluvio;
+
+use crate::Result;
+use crate::client::cmd::ClientCmd;
+
+/// Builds the SmartModule in the current working directory into a WASM file
+#[derive(Debug, Parser)]
+pub struct BuildSmartModuleOpt;
+
+#[async_trait]
+impl ClientCmd for BuildSmartModuleOpt {
+    async fn process_client<O: Terminal + Debug + Send + Sync>(
+        self,
+        _out: Arc<O>,
+        _fluvio: &Fluvio,
+    ) -> Result<()> {
+        let mut cmd = Command::new("cargo");
+        let cwd = std::env::current_dir()?;
+
+        cmd.current_dir(cwd)
+            .arg("build")
+            .arg("--release")
+            .arg("--lib");
+        cmd.arg("--target").arg("wasm32-unknown-unknown");
+
+        let status = cmd.status()?;
+
+        if status.success() {
+            return Ok(());
+        }
+
+        panic!("An error ocurred running \"cargo run\"!");
+    }
+}
diff --git a/crates/fluvio-cli/src/client/smdk/mod.rs b/crates/fluvio-cli/src/client/smdk/mod.rs
index 4fb71da3745..5d42a7eb8ea 100644
--- a/crates/fluvio-cli/src/client/smdk/mod.rs
+++ b/crates/fluvio-cli/src/client/smdk/mod.rs
@@ -1,3 +1,4 @@
+mod build;
 mod new;
 
 pub use cmd::SmdkCmd;
@@ -16,10 +17,12 @@ mod cmd {
     use crate::client::cmd::ClientCmd;
     use crate::common::output::Terminal;
 
+    use super::build::BuildSmartModuleOpt;
     use super::new::NewSmartModuleOpt;
 
     #[derive(Debug, Parser)]
     pub enum SmdkCmd {
+        Build(BuildSmartModuleOpt),
         New(NewSmartModuleOpt),
     }
 
@@ -31,6 +34,9 @@ mod cmd {
             target: ClusterTarget,
         ) -> Result<()> {
             match self {
+                Self::Build(opt) => {
+                    opt.process(out, target).await?;
+                }
                 Self::New(opt) => {
                     opt.process(out, target).await?;
                 }