From 32fa7ee8c31324617a235bdc3d39556dc1491b5b Mon Sep 17 00:00:00 2001
From: Anton Hansson <hansson@google.com>
Date: Mon, 14 Jun 2021 17:09:58 +0100
Subject: [PATCH] Add help message for likely typo to lunch

Test: lunch aosp_blueline_userdebug
Change-Id: Ieb8059d1717a98f66d61387d6bfd28470835eb6e
---
 envsetup.sh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/envsetup.sh b/envsetup.sh
index 120f6e069c..bbb18e5f5c 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -703,6 +703,10 @@ function lunch()
     build_build_var_cache
     if [ $? -ne 0 ]
     then
+        if [[ "$product" =~ .*_(eng|user|userdebug) ]]
+        then
+            echo "Did you mean -${product/*_/}? (dash instead of underscore)"
+        fi
         return 1
     fi
     export TARGET_PRODUCT=$(get_build_var TARGET_PRODUCT)