Merge Bundler 2.1.0.pre.1 as developed version from upstream.

  https://github.com/bundler/bundler/commit/a53709556b95a914e874b22ed2116a46b0528852

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67539 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 10 insertions, 9 deletions

diff --git a/lib/bundler/cli/install.rb b/lib/bundler/cli/install.rb
index 55e90ead0e..03edc7fbd2 100644
--- a/lib/bundler/cli/install.rb
+++ b/lib/bundler/cli/install.rb
@@ -53,7 +53,7 @@ module Bundler
       Bundler::Fetcher.disable_endpoint = options["full-index"]
 
       if options["binstubs"]
-        Bundler::SharedHelpers.major_deprecation 3,
+        Bundler::SharedHelpers.major_deprecation 2,
           "The --binstubs option will be removed in favor of `bundle binstubs`"
       end
 
@@ -202,15 +202,16 @@ module Bundler
     end
 
     def warn_ambiguous_gems
+      # TODO: remove this when we drop Bundler 1.x support
       Installer.ambiguous_gems.to_a.each do |name, installed_from_uri, *also_found_in_uris|
-        Bundler.ui.error "Warning: the gem '#{name}' was found in multiple sources."
-        Bundler.ui.error "Installed from: #{installed_from_uri}"
-        Bundler.ui.error "Also found in:"
-        also_found_in_uris.each {|uri| Bundler.ui.error "  * #{uri}" }
-        Bundler.ui.error "You should add a source requirement to restrict this gem to your preferred source."
-        Bundler.ui.error "For example:"
-        Bundler.ui.error "    gem '#{name}', :source => '#{installed_from_uri}'"
-        Bundler.ui.error "Then uninstall the gem '#{name}' (or delete all bundled gems) and then install again."
+        Bundler.ui.warn "Warning: the gem '#{name}' was found in multiple sources."
+        Bundler.ui.warn "Installed from: #{installed_from_uri}"
+        Bundler.ui.warn "Also found in:"
+        also_found_in_uris.each {|uri| Bundler.ui.warn "  * #{uri}" }
+        Bundler.ui.warn "You should add a source requirement to restrict this gem to your preferred source."
+        Bundler.ui.warn "For example:"
+        Bundler.ui.warn "    gem '#{name}', :source => '#{installed_from_uri}'"
+        Bundler.ui.warn "Then uninstall the gem '#{name}' (or delete all bundled gems) and then install again."
       end
     end
   end