1 files changed, 13 insertions, 0 deletions
diff --git a/packages/util/src/shell.ts b/packages/util/src/shell.ts
new file mode 100644
index 000000000..e23ba0199
--- /dev/null
+++ b/packages/util/src/shell.ts
@@ -0,0 +1,13 @@
+export function shell() {
+  const s = process.env.SHELL
+  if (s) return s
+  if (process.platform === "darwin") {
+    return "/bin/zsh"
+  }
+  if (process.platform === "win32") {
+    return process.env.COMSPEC || "cmd.exe"
+  }
+  const bash = Bun.which("bash")
+  if (bash) return bash
+  return "bash"
+}