1 files changed, 90 insertions, 0 deletions
diff --git a/packages/create-turbo/src/utils/git.ts b/packages/create-turbo/src/utils/git.ts
new file mode 100644
index 0000000..593e7ea
--- /dev/null
+++ b/packages/create-turbo/src/utils/git.ts
@@ -0,0 +1,90 @@
+import fs from "fs-extra";
+import { execSync } from "child_process";
+import path from "path";
+import rimraf from "rimraf";
+
+export const DEFAULT_IGNORE = `
+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
+node_modules
+.pnp
+.pnp.js
+
+# testing
+coverage
+
+# misc
+.DS_Store
+*.pem
+
+# debug
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# turbo
+.turbo
+
+# vercel
+.vercel
+`;
+
+export const GIT_REPO_COMMAND = "git rev-parse --is-inside-work-tree";
+export const HG_REPO_COMMAND = "hg --cwd . root";
+
+export function isInGitRepository(): boolean {
+  try {
+    execSync(GIT_REPO_COMMAND, { stdio: "ignore" });
+    return true;
+  } catch (_) {}
+  return false;
+}
+
+export function isInMercurialRepository(): boolean {
+  try {
+    execSync(HG_REPO_COMMAND, { stdio: "ignore" });
+    return true;
+  } catch (_) {}
+  return false;
+}
+
+export function tryGitInit(root: string, message: string): boolean {
+  let didInit = false;
+  try {
+    execSync("git --version", { stdio: "ignore" });
+    if (isInGitRepository() || isInMercurialRepository()) {
+      return false;
+    }
+
+    execSync("git init", { stdio: "ignore" });
+    didInit = true;
+
+    execSync("git checkout -b main", { stdio: "ignore" });
+
+    execSync("git add -A", { stdio: "ignore" });
+    execSync(`git commit -m "${message}"`, {
+      stdio: "ignore",
+    });
+    return true;
+  } catch (err) {
+    if (didInit) {
+      try {
+        rimraf.sync(path.join(root, ".git"));
+      } catch (_) {}
+    }
+    return false;
+  }
+}
+
+export function tryGitCommit(message: string): boolean {
+  try {
+    execSync("git add -A", { stdio: "ignore" });
+    execSync(`git commit -m "${message}"`, {
+      stdio: "ignore",
+    });
+    return true;
+  } catch (err) {
+    return false;
+  }
+}