Teach users how to toggle deprecations off

The deprecations will lead to some "true positives" where users will
use `bundle config` and remove the flag, and some "false positives"
where users will be fine with the option not being remembered but still
want to use the flag on a per command basis.

Whatever the case, we need to tell users how to get rid of the warning
once they learn and get ready for the new behavior. Otherwise it's going
to get super annoying!

1 files changed, 3 insertions, 1 deletions

diff --git a/lib/bundler/settings.rb b/lib/bundler/settings.rb
index bed5c5604e..f8ee6fe3db 100644
--- a/lib/bundler/settings.rb
+++ b/lib/bundler/settings.rb
@@ -120,7 +120,9 @@ module Bundler
           "flags passed to commands " \
           "will no longer be automatically remembered. Instead please set flags " \
           "you want remembered between commands using `bundle config set " \
-          "<setting name> <setting value>`, i.e. `#{command}`"
+          "<setting name> <setting value>`, i.e. `#{command}`. Once you are " \
+          "ready for the new behavior, use `bundle config set forget_cli_options " \
+          "true` to get rid of this message"
 
         set_local(key, value)
       end