Optimize git operations to only clone main branch

packages/atxp/src/create-project.ts

@@ -133,7 +133,14 @@ async function cloneTemplate(template: string, projectPath: string): Promise<voi
   return new Promise((resolve, reject) => {
     console.log(chalk.blue('Downloading template from GitHub...'));
 
-    const git = spawn('git', ['clone', templateConfig.url, projectPath], {
+    const git = spawn('git', [
+      'clone',
+      '--depth', '1',           // Shallow clone - only latest commit  
+      '--single-branch',        // Only clone the default branch
+      '--branch', 'main',       // Explicitly target main branch
+      templateConfig.url, 
+      projectPath
+    ], {
       stdio: 'inherit'
     });
 

packages/atxp/src/git-optimization.test.ts

@@ -0,0 +1,53 @@
+import { describe, it, expect } from 'vitest';
+
+describe('Git optimization', () => {
+  it('should use shallow clone parameters for demo repository', () => {
+    // This test documents the expected git clone parameters for optimal performance
+    const expectedCloneArgs = [
+      'clone',
+      '--depth', '1',           // Shallow clone - only latest commit
+      '--single-branch',        // Only clone the default branch  
+      '--branch', 'main',       // Explicitly target main branch
+      'DEMO_REPO_URL',
+      'demoDir'
+    ];
+
+    expect(expectedCloneArgs).toContain('--depth');
+    expect(expectedCloneArgs).toContain('1');
+    expect(expectedCloneArgs).toContain('--single-branch');
+    expect(expectedCloneArgs).toContain('--branch');
+    expect(expectedCloneArgs).toContain('main');
+  });
+
+  it('should use shallow clone parameters for project templates', () => {
+    // This test documents the expected git clone parameters for project creation
+    const expectedCloneArgs = [
+      'clone',
+      '--depth', '1',           // Shallow clone - only latest commit
+      '--single-branch',        // Only clone the default branch
+      '--branch', 'main',       // Explicitly target main branch
+      'templateUrl',
+      'projectPath'
+    ];
+
+    expect(expectedCloneArgs).toContain('--depth');
+    expect(expectedCloneArgs).toContain('1');
+    expect(expectedCloneArgs).toContain('--single-branch');
+    expect(expectedCloneArgs).toContain('--branch');
+    expect(expectedCloneArgs).toContain('main');
+  });
+
+  it('should use optimized pull parameters for demo updates', () => {
+    // This test documents the expected git pull parameters for updates
+    const expectedPullArgs = [
+      'pull',
+      '--depth', '1',           // Keep shallow history during pull
+      'origin', 'main'          // Explicitly pull from main branch
+    ];
+
+    expect(expectedPullArgs).toContain('--depth');
+    expect(expectedPullArgs).toContain('1');
+    expect(expectedPullArgs).toContain('origin');
+    expect(expectedPullArgs).toContain('main');
+  });
+});

packages/atxp/src/run-demo.ts

@@ -43,7 +43,14 @@ export async function runDemo(options: DemoOptions): Promise<void> {
 
 async function cloneDemoRepo(demoDir: string, isVerbose: boolean): Promise<void> {
   return new Promise((resolve, reject) => {
-    const git = spawn('git', ['clone', DEMO_REPO_URL, demoDir], {
+    const git = spawn('git', [
+      'clone', 
+      '--depth', '1',           // Shallow clone - only latest commit
+      '--single-branch',        // Only clone the default branch
+      '--branch', 'main',       // Explicitly target main branch
+      DEMO_REPO_URL, 
+      demoDir
+    ], {
       stdio: isVerbose ? 'inherit' : 'pipe'
     });
 
@@ -64,7 +71,11 @@ async function cloneDemoRepo(demoDir: string, isVerbose: boolean): Promise<void>
 
 async function updateDemoRepo(demoDir: string, isVerbose: boolean): Promise<void> {
   return new Promise((resolve, _reject) => {
-    const git = spawn('git', ['pull'], {
+    const git = spawn('git', [
+      'pull', 
+      '--depth', '1',           // Keep shallow history during pull
+      'origin', 'main'          // Explicitly pull from main branch
+    ], {
       cwd: demoDir,
       stdio: isVerbose ? 'inherit' : 'pipe'
     });