1 files changed, 40 insertions, 0 deletions
diff --git a/packages/turbo-codemod/src/utils/checkGitStatus.ts b/packages/turbo-codemod/src/utils/checkGitStatus.ts
new file mode 100644
index 0000000..68d39ae
--- /dev/null
+++ b/packages/turbo-codemod/src/utils/checkGitStatus.ts
@@ -0,0 +1,40 @@
+import chalk from "chalk";
+import isGitClean from "is-git-clean";
+
+export default function checkGitStatus({
+  directory,
+  force,
+}: {
+  directory?: string;
+  force: boolean;
+}) {
+  let clean = false;
+  let errorMessage = "Unable to determine if git directory is clean";
+  try {
+    clean = isGitClean.sync(directory || process.cwd());
+    errorMessage = "Git directory is not clean";
+  } catch (err: any) {
+    if (err && err.stderr && err.stderr.indexOf("not a git repository") >= 0) {
+      clean = true;
+    }
+  }
+
+  if (!clean) {
+    if (force) {
+      console.log(
+        `${chalk.yellow("WARNING")}: ${errorMessage}. Forcibly continuing...`
+      );
+    } else {
+      console.log("Thank you for using @turbo/codemod!");
+      console.log(
+        chalk.yellow(
+          "\nBut before we continue, please stash or commit your git changes."
+        )
+      );
+      console.log(
+        "\nYou may use the --force flag to override this safety check."
+      );
+      process.exit(1);
+    }
+  }
+}