fix: treat git bash as un-interactive (#1222)

* handle git bash

* better message

* changeset

Author: juliusmarminge

Diff for: .changeset/red-ducks-jam.md

@@ -0,0 +1,5 @@
+---
+"create-t3-app": patch
+---
+
+fix: detect and handle git bash environment

Diff for: cli/src/cli/index.ts

@@ -156,6 +156,19 @@ export const runCli = async () => {
 
   // Explained below why this is in a try/catch block
   try {
+    if (
+      process.env.SHELL?.toLowerCase().includes("git") &&
+      process.env.SHELL?.includes("bash")
+    ) {
+      logger.warn(`  WARNING: It looks like you are using Git Bash which is non-interactive. Please run create-t3-app with another
+  terminal such as Windows Terminal or PowerShell if you want to use the interactive CLI.`);
+
+      const error = new Error("Non-interactive environment");
+      // eslint-disable-next-line @typescript-eslint/no-explicit-any
+      (error as any).isTTYError = true;
+      throw error;
+    }
+
     // if --CI flag is set, we are running in CI mode and should not prompt the user
     // if --default flag is set, we should not prompt the user
     if (!cliResults.flags.default && !CIMode) {
@@ -181,10 +194,24 @@ export const runCli = async () => {
     // Otherwise we have to do some fancy namespace extension logic on the Error type which feels overkill for one line
     // eslint-disable-next-line @typescript-eslint/no-explicit-any
     if (err instanceof Error && (err as any).isTTYError) {
-      logger.warn(
-        `${CREATE_T3_APP} needs an interactive terminal to provide options`,
-      );
-      logger.info(`Bootstrapping a default t3 app in ./${cliResults.appName}`);
+      logger.warn(`
+  ${CREATE_T3_APP} needs an interactive terminal to provide options`);
+
+      const { shouldContinue } = await inquirer.prompt<{
+        shouldContinue: boolean;
+      }>({
+        name: "shouldContinue",
+        type: "confirm",
+        message: `Continue scaffolding a default T3 app?`,
+        default: true,
+      });
+
+      if (!shouldContinue) {
+        logger.info("Exiting...");
+        process.exit(0);
+      }
+
+      logger.info(`Bootstrapping a default T3 app in ./${cliResults.appName}`);
     } else {
       throw err;
     }