[rubygems/rubygems] Add `bundle add --quiet` option

This option is similar to the `bundle install --quiet` option

https://github.com/rubygems/rubygems/commit/3bd773d827

5 files changed, 43 insertions, 2 deletions

diff --git a/lib/bundler/cli.rb b/lib/bundler/cli.rb
index 013ffcdeed..62ad52f426 100644
--- a/lib/bundler/cli.rb
+++ b/lib/bundler/cli.rb
@@ -353,6 +353,7 @@ module Bundler
     method_option "branch", type: :string
     method_option "ref", type: :string
     method_option "glob", type: :string, banner: "The location of a dependency's .gemspec, expanded within Ruby (single quotes recommended)"
+    method_option "quiet", type: :boolean, banner: "Only output warnings and errors."
     method_option "skip-install", type: :boolean, banner: "Adds gem to the Gemfile but does not install it"
     method_option "optimistic", type: :boolean, banner: "Adds optimistic declaration of version to gem"
     method_option "strict", type: :boolean, banner: "Adds strict declaration of version to gem"
diff --git a/lib/bundler/cli/add.rb b/lib/bundler/cli/add.rb
index 2b300e1783..12a681a816 100644
--- a/lib/bundler/cli/add.rb
+++ b/lib/bundler/cli/add.rb
@@ -12,6 +12,8 @@ module Bundler
     end
 
     def run
+      Bundler.ui.level = "warn" if options[:quiet]
+
       validate_options!
       inject_dependencies
       perform_bundle_install unless options["skip-install"]
diff --git a/lib/bundler/man/bundle-add.1 b/lib/bundler/man/bundle-add.1
index b0c6d2cc90..e477f77c5c 100644
--- a/lib/bundler/man/bundle-add.1
+++ b/lib/bundler/man/bundle-add.1
@@ -4,7 +4,7 @@
 .SH "NAME"
 \fBbundle\-add\fR \- Add gem to the Gemfile and run bundle install
 .SH "SYNOPSIS"
-\fBbundle add\fR \fIGEM_NAME\fR [\-\-group=GROUP] [\-\-version=VERSION] [\-\-source=SOURCE] [\-\-path=PATH] [\-\-git=GIT|\-\-github=GITHUB] [\-\-branch=BRANCH] [\-\-ref=REF] [\-\-skip\-install] [\-\-strict|\-\-optimistic]
+\fBbundle add\fR \fIGEM_NAME\fR [\-\-group=GROUP] [\-\-version=VERSION] [\-\-source=SOURCE] [\-\-path=PATH] [\-\-git=GIT|\-\-github=GITHUB] [\-\-branch=BRANCH] [\-\-ref=REF] [\-\-quiet] [\-\-skip\-install] [\-\-strict|\-\-optimistic]
 .SH "DESCRIPTION"
 Adds the named gem to the [\fBGemfile(5)\fR][Gemfile(5)] and run \fBbundle install\fR\. \fBbundle install\fR can be avoided by using the flag \fB\-\-skip\-install\fR\.
 .SH "OPTIONS"
@@ -36,6 +36,9 @@ Specify the git branch for the added gem\.
 \fB\-\-ref\fR
 Specify the git ref for the added gem\.
 .TP
+\fB\-\-quiet\fR
+Do not print progress information to the standard output\.
+.TP
 \fB\-\-skip\-install\fR
 Adds the gem to the Gemfile but does not install it\.
 .TP
diff --git a/lib/bundler/man/bundle-add.1.ronn b/lib/bundler/man/bundle-add.1.ronn
index 8b38c7a248..ca09889200 100644
--- a/lib/bundler/man/bundle-add.1.ronn
+++ b/lib/bundler/man/bundle-add.1.ronn
@@ -5,7 +5,7 @@ bundle-add(1) -- Add gem to the Gemfile and run bundle install
 
 `bundle add` <GEM_NAME> [--group=GROUP] [--version=VERSION] [--source=SOURCE]
            [--path=PATH] [--git=GIT|--github=GITHUB] [--branch=BRANCH] [--ref=REF]
-           [--skip-install] [--strict|--optimistic]
+           [--quiet] [--skip-install] [--strict|--optimistic]
 
 ## DESCRIPTION
 
@@ -41,6 +41,9 @@ Adds the named gem to the [`Gemfile(5)`][Gemfile(5)] and run `bundle install`.
 * `--ref`:
   Specify the git ref for the added gem.
 
+* `--quiet`:
+  Do not print progress information to the standard output.
+
 * `--skip-install`:
   Adds the gem to the Gemfile but does not install it.
 
diff --git a/spec/bundler/commands/add_spec.rb b/spec/bundler/commands/add_spec.rb
index 0a0d4c0046..e63b0b9658 100644
--- a/spec/bundler/commands/add_spec.rb
+++ b/spec/bundler/commands/add_spec.rb
@@ -284,6 +284,38 @@ RSpec.describe "bundle add" do
     end
   end
 
+  describe "with --quiet option" do
+    it "is quiet when there are no warnings" do
+      bundle "add 'foo' --quiet"
+      expect(out).to be_empty
+      expect(err).to be_empty
+    end
+
+    it "still displays warning and errors" do
+      create_file("add_with_warning.rb", <<~RUBY)
+        require "#{lib_dir}/bundler"
+        require "#{lib_dir}/bundler/cli"
+        require "#{lib_dir}/bundler/cli/add"
+
+        module RunWithWarning
+          def run
+            super
+          rescue
+            Bundler.ui.warn "This is a warning"
+            raise
+          end
+        end
+
+        Bundler::CLI::Add.prepend(RunWithWarning)
+      RUBY
+
+      bundle "add 'non-existing-gem' --quiet", raise_on_error: false, env: { "RUBYOPT" => "-r#{bundled_app("add_with_warning.rb")}" }
+      expect(out).to be_empty
+      expect(err).to include("Could not find gem 'non-existing-gem'")
+      expect(err).to include("This is a warning")
+    end
+  end
+
   describe "with --strict option" do
     it "adds strict version" do
       bundle "add 'foo' --strict"