fix: properly log error when dependency install fails (#228)

* log error when installs fail

* changeset

Author: AdrianGonz97

.changeset/yellow-sheep-guess.md

@@ -0,0 +1,5 @@
+---
+'sv': patch
+---
+
+fix: log error when dependency installs fail

packages/cli/commands/add/index.ts

@@ -545,7 +545,10 @@ async function runAdders({
 				if (workspace.packageManager === 'npm') args.unshift('--yes');
 
 				try {
-					await exec(command, args, { nodeOptions: { cwd: workspace.cwd, stdio: script.stdio } });
+					const { stderr } = await exec(command, args, {
+						nodeOptions: { cwd: workspace.cwd, stdio: script.stdio }
+					});
+					if (stderr) throw new Error(stderr);
 				} catch (error) {
 					const typedError = error as Error;
 					throw new Error(

packages/cli/common.ts

@@ -76,7 +76,9 @@ export async function installDependencies(agent: AgentName, cwd: string) {
 	spinner.start('Installing dependencies...');
 	try {
 		const { command, args } = constructCommand(COMMANDS[agent].install, [])!;
-		await exec(command, args, { nodeOptions: { cwd } });
+		const { stderr } = await exec(command, args, { nodeOptions: { cwd } });
+		if (stderr) throw new Error(stderr);
+
 		spinner.stop('Successfully installed dependencies');
 	} catch (error) {
 		spinner.stop('Failed to install dependencies', 2);