Simplfy git commands

Thank you @stnguyen90 for this idea

Author: PineappleIOnic

templates/cli/lib/commands/init.js.twig

@@ -81,12 +81,9 @@ const initFunction = async () => {
 
   fs.mkdirSync(functionDir, "777");
 
-  const gitInitCommands =
-    `git init && ` +
-    `git remote add -f origin https://github.com/{{ sdk.gitUserName }}/functions-starter && ` +
-    `git config core.sparseCheckout true`;
+  const gitInitCommands = "git clone --depth 1 --sparse https://github.com/{{ sdk.gitUserName }}/functions-starter ."; // depth prevents fetching older commits reducing the amount fetched
 
-  const gitPullCommands = `git pull origin main`;
+  const gitPullCommands = `git sparse-checkout add ${answers.runtime.id}`;
 
   // Force use CMD as powershell does not support &&
   if (process.platform == 'win32') {
@@ -95,11 +92,9 @@ const initFunction = async () => {
   }
 
   // Execute the child process but do not print any std output
-  childProcess.execSync(gitInitCommands, { stdio: 'pipe' });
+  childProcess.execSync(gitInitCommands, { stdio: 'pipe', cwd: functionDir });
 
-  fs.writeFileSync(path.join(functionDir, ".git/info/sparse-checkout"), `${answers.runtime.id}`);
-
-  childProcess.execSync(gitPullCommands, { stdio: 'pipe' });
+  childProcess.execSync(gitPullCommands, { stdio: 'pipe', cwd: functionDir });
 
   fs.rmSync(path.join(functionDir, ".git"), { recursive: true });
     const copyRecursiveSync = (src, dest) => {
@@ -120,7 +115,7 @@ const initFunction = async () => {
   };
   copyRecursiveSync(path.join(functionDir, answers.runtime.id), functionDir);
 
-  fs.rmSync(`./${answers.name}/${answers.runtime.id}`, { recursive: true, force: true });
+  fs.rmSync(`${functionDir}/${answers.runtime.id}`, { recursive: true, force: true });
 
   const readmePath = path.join(process.cwd(), 'functions', answers.name, 'README.md');
   const readmeFile = fs.readFileSync(readmePath).toString();