[install] Stop installer when failed to download the binary

Close #312

1 files changed, 1 insertions, 0 deletions

diff --git a/install b/install
index d27c0179..0b4b9d95 100755
--- a/install
+++ b/install
@@ -96,6 +96,7 @@ if [ -n "$binary_error" ]; then
     echo "No prebuilt binary for $archi ... "
   else
     echo "  - $binary_error !!!"
+    exit 1
   fi
   echo "Installing legacy Ruby version ..."