Completely remove `bundle viz` command

13 files changed, 6 insertions, 431 deletions

diff --git a/lib/bundler.rb b/lib/bundler.rb
index 761679ec8d..f5b2abcd10 100644
--- a/lib/bundler.rb
+++ b/lib/bundler.rb
@@ -54,7 +54,6 @@ module Bundler
   autoload :FREEBSD,                File.expand_path("bundler/constants", __dir__)
   autoload :GemHelper,              File.expand_path("bundler/gem_helper", __dir__)
   autoload :GemVersionPromoter,     File.expand_path("bundler/gem_version_promoter", __dir__)
-  autoload :Graph,                  File.expand_path("bundler/graph", __dir__)
   autoload :Index,                  File.expand_path("bundler/index", __dir__)
   autoload :Injector,               File.expand_path("bundler/injector", __dir__)
   autoload :Installer,              File.expand_path("bundler/installer", __dir__)
diff --git a/lib/bundler/cli.rb b/lib/bundler/cli.rb
index 38264c6ebe..8acf25eba6 100644
--- a/lib/bundler/cli.rb
+++ b/lib/bundler/cli.rb
@@ -513,23 +513,9 @@ module Bundler
       end
     end
 
-    unless Bundler.feature_flag.bundler_4_mode?
-      desc "viz [OPTIONS]", "Generates a visual dependency graph", hide: true
-      long_desc <<-D
-        Viz generates a PNG file of the current Gemfile as a dependency graph.
-        Viz requires the ruby-graphviz gem (and its dependencies).
-        The associated gems must also be installed via 'bundle install'.
-      D
-      method_option :file, type: :string, default: "gem_graph", aliases: "-f", banner: "The name to use for the generated file. see format option"
-      method_option :format, type: :string, default: "png", aliases: "-F", banner: "This is output format option. Supported format is png, jpg, svg, dot ..."
-      method_option :requirements, type: :boolean, default: false, aliases: "-R", banner: "Set to show the version of each required dependency."
-      method_option :version, type: :boolean, default: false, aliases: "-v", banner: "Set to show each gem version."
-      method_option :without, type: :array, default: [], aliases: "-W", banner: "Exclude gems that are part of the specified named group."
-      def viz
-        SharedHelpers.major_deprecation 2, "The `viz` command has been renamed to `graph` and moved to a plugin. See https://github.com/rubygems/bundler-graph"
-        require_relative "cli/viz"
-        Viz.new(options.dup).run
-      end
+    desc "viz [OPTIONS]", "Generates a visual dependency graph", hide: true
+    def viz
+      SharedHelpers.feature_removed! "The `viz` command has been renamed to `graph` and moved to a plugin. See https://github.com/rubygems/bundler-graph"
     end
 
     desc "gem NAME [OPTIONS]", "Creates a skeleton for creating a rubygem"
diff --git a/lib/bundler/cli/viz.rb b/lib/bundler/cli/viz.rb
deleted file mode 100644
index 5c09e00995..0000000000
--- a/lib/bundler/cli/viz.rb
+++ /dev/null
@@ -1,31 +0,0 @@
-# frozen_string_literal: true
-
-module Bundler
-  class CLI::Viz
-    attr_reader :options, :gem_name
-    def initialize(options)
-      @options = options
-    end
-
-    def run
-      # make sure we get the right `graphviz`. There is also a `graphviz`
-      # gem we're not built to support
-      gem "ruby-graphviz"
-      require "graphviz"
-
-      options[:without] = options[:without].join(":").tr(" ", ":").split(":")
-      output_file = File.expand_path(options[:file])
-
-      graph = Graph.new(Bundler.load, output_file, options[:version], options[:requirements], options[:format], options[:without])
-      graph.viz
-    rescue LoadError => e
-      Bundler.ui.error e.inspect
-      Bundler.ui.warn "Make sure you have the graphviz ruby gem. You can install it with:"
-      Bundler.ui.warn "`gem install ruby-graphviz`"
-    rescue StandardError => e
-      raise unless e.message.to_s.include?("GraphViz not installed or dot not in PATH")
-      Bundler.ui.error e.message
-      Bundler.ui.warn "Please install GraphViz. On a Mac with Homebrew, you can run `brew install graphviz`."
-    end
-  end
-end
diff --git a/lib/bundler/graph.rb b/lib/bundler/graph.rb
deleted file mode 100644
index b22b17a453..0000000000
--- a/lib/bundler/graph.rb
+++ /dev/null
@@ -1,152 +0,0 @@
-# frozen_string_literal: true
-
-require "set"
-module Bundler
-  class Graph
-    GRAPH_NAME = :Gemfile
-
-    def initialize(env, output_file, show_version = false, show_requirements = false, output_format = "png", without = [])
-      @env               = env
-      @output_file       = output_file
-      @show_version      = show_version
-      @show_requirements = show_requirements
-      @output_format     = output_format
-      @without_groups    = without.map(&:to_sym)
-
-      @groups            = []
-      @relations         = Hash.new {|h, k| h[k] = Set.new }
-      @node_options      = {}
-      @edge_options      = {}
-
-      _populate_relations
-    end
-
-    attr_reader :groups, :relations, :node_options, :edge_options, :output_file, :output_format
-
-    def viz
-      GraphVizClient.new(self).run
-    end
-
-    private
-
-    def _populate_relations
-      parent_dependencies = _groups.values.to_set.flatten
-      loop do
-        break if parent_dependencies.empty?
-
-        tmp = Set.new
-        parent_dependencies.each do |dependency|
-          child_dependencies = spec_for_dependency(dependency).runtime_dependencies.to_set
-          @relations[dependency.name] += child_dependencies.map(&:name).to_set
-          tmp += child_dependencies
-
-          @node_options[dependency.name] = _make_label(dependency, :node)
-          child_dependencies.each do |c_dependency|
-            @edge_options["#{dependency.name}_#{c_dependency.name}"] = _make_label(c_dependency, :edge)
-          end
-        end
-        parent_dependencies = tmp
-      end
-    end
-
-    def _groups
-      relations = Hash.new {|h, k| h[k] = Set.new }
-      @env.current_dependencies.each do |dependency|
-        dependency.groups.each do |group|
-          next if @without_groups.include?(group)
-
-          relations[group.to_s].add(dependency)
-          @relations[group.to_s].add(dependency.name)
-
-          @node_options[group.to_s] ||= _make_label(group, :node)
-          @edge_options["#{group}_#{dependency.name}"] = _make_label(dependency, :edge)
-        end
-      end
-      @groups = relations.keys
-      relations
-    end
-
-    def _make_label(symbol_or_string_or_dependency, element_type)
-      case element_type.to_sym
-      when :node
-        if symbol_or_string_or_dependency.is_a?(Gem::Dependency)
-          label = symbol_or_string_or_dependency.name.dup
-          label << "\n#{spec_for_dependency(symbol_or_string_or_dependency).version}" if @show_version
-        else
-          label = symbol_or_string_or_dependency.to_s
-        end
-      when :edge
-        label = nil
-        if symbol_or_string_or_dependency.respond_to?(:requirements_list) && @show_requirements
-          tmp = symbol_or_string_or_dependency.requirements_list.join(", ")
-          label = tmp if tmp != ">= 0"
-        end
-      else
-        raise ArgumentError, "2nd argument is invalid"
-      end
-      label.nil? ? {} : { label: label }
-    end
-
-    def spec_for_dependency(dependency)
-      @env.requested_specs.find {|s| s.name == dependency.name }
-    end
-
-    class GraphVizClient
-      def initialize(graph_instance)
-        @graph_name    = graph_instance.class::GRAPH_NAME
-        @groups        = graph_instance.groups
-        @relations     = graph_instance.relations
-        @node_options  = graph_instance.node_options
-        @edge_options  = graph_instance.edge_options
-        @output_file   = graph_instance.output_file
-        @output_format = graph_instance.output_format
-      end
-
-      def g
-        @g ||= ::GraphViz.digraph(@graph_name, concentrate: true, normalize: true, nodesep: 0.55) do |g|
-          g.edge[:weight]   = 2
-          g.edge[:fontname] = g.node[:fontname] = "Arial, Helvetica, SansSerif"
-          g.edge[:fontsize] = 12
-        end
-      end
-
-      def run
-        @groups.each do |group|
-          g.add_nodes(
-            group, {
-              style: "filled",
-              fillcolor: "#B9B9D5",
-              shape: "box3d",
-              fontsize: 16,
-            }.merge(@node_options[group])
-          )
-        end
-
-        @relations.each do |parent, children|
-          children.each do |child|
-            if @groups.include?(parent)
-              g.add_nodes(child, { style: "filled", fillcolor: "#B9B9D5" }.merge(@node_options[child]))
-              g.add_edges(parent, child, { constraint: false }.merge(@edge_options["#{parent}_#{child}"]))
-            else
-              g.add_nodes(child, @node_options[child])
-              g.add_edges(parent, child, @edge_options["#{parent}_#{child}"])
-            end
-          end
-        end
-
-        if @output_format.to_s == "debug"
-          $stdout.puts g.output none: String
-          Bundler.ui.info "debugging bundle viz..."
-        else
-          begin
-            g.output @output_format.to_sym => "#{@output_file}.#{@output_format}"
-            Bundler.ui.info "#{@output_file}.#{@output_format}"
-          rescue ArgumentError => e
-            warn "Unsupported output format. See Ruby-Graphviz/lib/graphviz/constants.rb"
-            raise e
-          end
-        end
-      end
-    end
-  end
-end
diff --git a/lib/bundler/man/bundle-viz.1 b/lib/bundler/man/bundle-viz.1
deleted file mode 100644
index f2570103dc..0000000000
--- a/lib/bundler/man/bundle-viz.1
+++ /dev/null
@@ -1,30 +0,0 @@
-.\" generated with Ronn-NG/v0.10.1
-.\" http://github.com/apjanke/ronn-ng/tree/0.10.1
-.TH "BUNDLE\-VIZ" "1" "August 2025" ""
-.SH "NAME"
-\fBbundle\-viz\fR \- Generates a visual dependency graph for your Gemfile
-.SH "SYNOPSIS"
-\fBbundle viz\fR [\-\-file=FILE] [\-\-format=FORMAT] [\-\-requirements] [\-\-version] [\-\-without=GROUP GROUP]
-.SH "DESCRIPTION"
-\fBviz\fR generates a PNG file of the current \fBGemfile(5)\fR as a dependency graph\. \fBviz\fR requires the ruby\-graphviz gem (and its dependencies)\.
-.P
-The associated gems must also be installed via \fBbundle install(1)\fR \fIbundle\-install\.1\.html\fR\.
-.P
-\fBviz\fR command was deprecated in Bundler 2\.2\. Use bundler\-graph plugin \fIhttps://github\.com/rubygems/bundler\-graph\fR instead\.
-.SH "OPTIONS"
-.TP
-\fB\-\-file=FILE\fR, \fB\-f=FILE\fR
-The name to use for the generated file\. See \fB\-\-format\fR option
-.TP
-\fB\-\-format=FORMAT\fR, \fB\-F=FORMAT\fR
-This is output format option\. Supported format is png, jpg, svg, dot \|\.\|\.\|\.
-.TP
-\fB\-\-requirements\fR, \fB\-R\fR
-Set to show the version of each required dependency\.
-.TP
-\fB\-\-version\fR, \fB\-v\fR
-Set to show each gem version\.
-.TP
-\fB\-\-without=<list>\fR, \fB\-W=<list>\fR
-Exclude gems that are part of the specified named group\.
-
diff --git a/lib/bundler/man/bundle-viz.1.ronn b/lib/bundler/man/bundle-viz.1.ronn
deleted file mode 100644
index 730b0eed22..0000000000
--- a/lib/bundler/man/bundle-viz.1.ronn
+++ /dev/null
@@ -1,36 +0,0 @@
-bundle-viz(1) -- Generates a visual dependency graph for your Gemfile
-=====================================================================
-
-## SYNOPSIS
-
-`bundle viz` [--file=FILE]
-             [--format=FORMAT]
-             [--requirements]
-             [--version]
-             [--without=GROUP GROUP]
-
-## DESCRIPTION
-
-`viz` generates a PNG file of the current `Gemfile(5)` as a dependency graph.
-`viz` requires the ruby-graphviz gem (and its dependencies).
-
-The associated gems must also be installed via [`bundle install(1)`](bundle-install.1.html).
-
-`viz` command was deprecated in Bundler 2.2. Use [bundler-graph plugin](https://github.com/rubygems/bundler-graph) instead.
-
-## OPTIONS
-
-* `--file=FILE`, `-f=FILE`:
-  The name to use for the generated file. See `--format` option
-
-* `--format=FORMAT`, `-F=FORMAT`:
-  This is output format option. Supported format is png, jpg, svg, dot ...
-
-* `--requirements`, `-R`:
-  Set to show the version of each required dependency.
-
-* `--version`, `-v`:
-  Set to show each gem version.
-
-* `--without=<list>`, `-W=<list>`:
-  Exclude gems that are part of the specified named group.
diff --git a/lib/bundler/man/bundle.1 b/lib/bundler/man/bundle.1
index 9bee76e58b..ece080b3e9 100644
--- a/lib/bundler/man/bundle.1
+++ b/lib/bundler/man/bundle.1
@@ -66,9 +66,6 @@ Open an installed gem in the editor
 \fBbundle lock(1)\fR \fIbundle\-lock\.1\.html\fR
 Generate a lockfile for your dependencies
 .TP
-\fBbundle viz(1)\fR \fIbundle\-viz\.1\.html\fR (deprecated)
-Generate a visual representation of your dependencies
-.TP
 \fBbundle init(1)\fR \fIbundle\-init\.1\.html\fR
 Generate a simple \fBGemfile\fR, placed in the current directory
 .TP
diff --git a/lib/bundler/man/bundle.1.ronn b/lib/bundler/man/bundle.1.ronn
index f368b32276..1c2b3df7af 100644
--- a/lib/bundler/man/bundle.1.ronn
+++ b/lib/bundler/man/bundle.1.ronn
@@ -76,9 +76,6 @@ We divide `bundle` subcommands into primary commands and utilities:
 * [`bundle lock(1)`](bundle-lock.1.html):
   Generate a lockfile for your dependencies
 
-* [`bundle viz(1)`](bundle-viz.1.html) (deprecated):
-  Generate a visual representation of your dependencies
-
 * [`bundle init(1)`](bundle-init.1.html):
   Generate a simple `Gemfile`, placed in the current directory
 
diff --git a/lib/bundler/man/index.txt b/lib/bundler/man/index.txt
index 6cc5eb24cd..f610ba852a 100644
--- a/lib/bundler/man/index.txt
+++ b/lib/bundler/man/index.txt
@@ -29,4 +29,3 @@ bundle-remove(1)      bundle-remove.1
 bundle-show(1)        bundle-show.1
 bundle-update(1)      bundle-update.1
 bundle-version(1)     bundle-version.1
-bundle-viz(1)         bundle-viz.1
diff --git a/spec/bundler/commands/viz_spec.rb b/spec/bundler/commands/viz_spec.rb
deleted file mode 100644
index 0ad285104c..0000000000
--- a/spec/bundler/commands/viz_spec.rb
+++ /dev/null
@@ -1,144 +0,0 @@
-# frozen_string_literal: true
-
-RSpec.describe "bundle viz", if: Bundler.which("dot") do
-  before do
-    base_system_gems "rexml", "ruby-graphviz"
-  end
-
-  it "graphs gems from the Gemfile" do
-    install_gemfile <<-G
-      source "https://gem.repo1"
-      gem "myrack"
-      gem "myrack-obama"
-    G
-
-    bundle "viz"
-    expect(out).to include("gem_graph.png")
-
-    bundle "viz", format: "debug"
-    expect(out).to eq(<<~DOT.strip)
-      digraph Gemfile {
-      concentrate = "true";
-      normalize = "true";
-      nodesep = "0.55";
-      edge[ weight  =  "2"];
-      node[ fontname  =  "Arial, Helvetica, SansSerif"];
-      edge[ fontname  =  "Arial, Helvetica, SansSerif" , fontsize  =  "12"];
-      default [style = "filled", fillcolor = "#B9B9D5", shape = "box3d", fontsize = "16", label = "default"];
-      myrack [style = "filled", fillcolor = "#B9B9D5", label = "myrack"];
-        default -> myrack [constraint = "false"];
-      "myrack-obama" [style = "filled", fillcolor = "#B9B9D5", label = "myrack-obama"];
-        default -> "myrack-obama" [constraint = "false"];
-        "myrack-obama" -> myrack;
-      }
-      debugging bundle viz...
-    DOT
-  end
-
-  it "graphs gems that are prereleases" do
-    build_repo2 do
-      build_gem "myrack", "1.3.pre"
-    end
-
-    install_gemfile <<-G
-      source "https://gem.repo2"
-      gem "myrack", "= 1.3.pre"
-      gem "myrack-obama"
-    G
-
-    bundle "viz"
-    expect(out).to include("gem_graph.png")
-
-    bundle "viz", format: :debug, version: true
-    expect(out).to eq(<<~EOS.strip)
-      digraph Gemfile {
-      concentrate = "true";
-      normalize = "true";
-      nodesep = "0.55";
-      edge[ weight  =  "2"];
-      node[ fontname  =  "Arial, Helvetica, SansSerif"];
-      edge[ fontname  =  "Arial, Helvetica, SansSerif" , fontsize  =  "12"];
-      default [style = "filled", fillcolor = "#B9B9D5", shape = "box3d", fontsize = "16", label = "default"];
-      myrack [style = "filled", fillcolor = "#B9B9D5", label = "myrack\\n1.3.pre"];
-        default -> myrack [constraint = "false"];
-      "myrack-obama" [style = "filled", fillcolor = "#B9B9D5", label = "myrack-obama\\n1.0"];
-        default -> "myrack-obama" [constraint = "false"];
-        "myrack-obama" -> myrack;
-      }
-      debugging bundle viz...
-    EOS
-  end
-
-  context "with another gem that has a graphviz file" do
-    before do
-      update_repo4 do
-        build_gem "graphviz", "999" do |s|
-          s.write("lib/graphviz.rb", "abort 'wrong graphviz gem loaded'")
-        end
-      end
-
-      system_gems "graphviz-999", gem_repo: gem_repo4
-    end
-
-    it "loads the correct ruby-graphviz gem" do
-      install_gemfile <<-G
-        source "https://gem.repo1"
-        gem "myrack"
-        gem "myrack-obama"
-      G
-
-      bundle "viz", format: "debug"
-      expect(out).to eq(<<~DOT.strip)
-        digraph Gemfile {
-        concentrate = "true";
-        normalize = "true";
-        nodesep = "0.55";
-        edge[ weight  =  "2"];
-        node[ fontname  =  "Arial, Helvetica, SansSerif"];
-        edge[ fontname  =  "Arial, Helvetica, SansSerif" , fontsize  =  "12"];
-        default [style = "filled", fillcolor = "#B9B9D5", shape = "box3d", fontsize = "16", label = "default"];
-        myrack [style = "filled", fillcolor = "#B9B9D5", label = "myrack"];
-          default -> myrack [constraint = "false"];
-        "myrack-obama" [style = "filled", fillcolor = "#B9B9D5", label = "myrack-obama"];
-          default -> "myrack-obama" [constraint = "false"];
-          "myrack-obama" -> myrack;
-        }
-        debugging bundle viz...
-      DOT
-    end
-  end
-
-  context "--without option" do
-    it "one group" do
-      install_gemfile <<-G
-        source "https://gem.repo1"
-        gem "activesupport"
-
-        group :rails do
-          gem "rails"
-        end
-      G
-
-      bundle "viz --without=rails"
-      expect(out).to include("gem_graph.png")
-    end
-
-    it "two groups" do
-      install_gemfile <<-G
-        source "https://gem.repo1"
-        gem "activesupport"
-
-        group :myrack do
-          gem "myrack"
-        end
-
-        group :rails do
-          gem "rails"
-        end
-      G
-
-      bundle "viz --without=rails:myrack"
-      expect(out).to include("gem_graph.png")
-    end
-  end
-end
diff --git a/spec/bundler/other/major_deprecation_spec.rb b/spec/bundler/other/major_deprecation_spec.rb
index d17770d00c..dcefbe0afa 100644
--- a/spec/bundler/other/major_deprecation_spec.rb
+++ b/spec/bundler/other/major_deprecation_spec.rb
@@ -642,15 +642,12 @@ RSpec.describe "major deprecations" do
 
   context "bundle viz" do
     before do
-      create_file "gems.rb", "source 'https://gem.repo1'"
-      bundle "viz"
+      bundle "viz", raise_on_error: false
     end
 
-    it "prints a deprecation warning" do
-      expect(deprecations).to include "The `viz` command has been renamed to `graph` and moved to a plugin. See https://github.com/rubygems/bundler-graph"
+    it "fails with a helpful message" do
+      expect(err).to include "The `viz` command has been renamed to `graph` and moved to a plugin. See https://github.com/rubygems/bundler-graph"
     end
-
-    pending "fails with a helpful message", bundler: "4"
   end
 
   context "bundle inject" do
diff --git a/tool/bundler/test_gems.rb b/tool/bundler/test_gems.rb
index 28113cd299..9776a96b90 100644
--- a/tool/bundler/test_gems.rb
+++ b/tool/bundler/test_gems.rb
@@ -11,7 +11,6 @@ gem "builder", "~> 3.2"
 gem "rb_sys"
 gem "fiddle"
 gem "rubygems-generate_index", "~> 1.1"
-gem "ruby-graphviz"
 gem "psych"
 gem "etc", platforms: [:ruby, :windows]
 gem "open3"
diff --git a/tool/bundler/test_gems.rb.lock b/tool/bundler/test_gems.rb.lock
index 99760ac573..fa61796f0f 100644
--- a/tool/bundler/test_gems.rb.lock
+++ b/tool/bundler/test_gems.rb.lock
@@ -33,9 +33,6 @@ GEM
     rake-compiler-dock (1.9.1)
     rb_sys (0.9.111)
       rake-compiler-dock (= 1.9.1)
-    rexml (3.4.1)
-    ruby-graphviz (1.2.5)
-      rexml
     ruby2_keywords (0.0.5)
     rubygems-generate_index (1.1.3)
       compact_index (~> 0.15.0)
@@ -69,7 +66,6 @@ DEPENDENCIES
   rack-test (~> 2.1)
   rake (~> 13.1)
   rb_sys
-  ruby-graphviz
   rubygems-generate_index (~> 1.1)
   shellwords
   sinatra (~> 4.1)
@@ -95,8 +91,6 @@ CHECKSUMS
   rake (13.3.0) sha256=96f5092d786ff412c62fde76f793cc0541bd84d2eb579caa529aa8a059934493
   rake-compiler-dock (1.9.1) sha256=e73720a29aba9c114728ce39cc0d8eef69ba61d88e7978c57bac171724cd4d53
   rb_sys (0.9.111) sha256=65822fd8d57c248cd893db0efe01bc6edc15fcbea3ba6666091e35430c1cbaf0
-  rexml (3.4.1) sha256=c74527a9a0a04b4ec31dbe0dc4ed6004b960af943d8db42e539edde3a871abca
-  ruby-graphviz (1.2.5) sha256=1c2bb44e3f6da9e2b829f5e7fd8d75a521485fb6b4d1fc66ff0f93f906121504
   ruby2_keywords (0.0.5) sha256=ffd13740c573b7301cf7a2e61fc857b2a8e3d3aff32545d6f8300d8bae10e3ef
   rubygems-generate_index (1.1.3) sha256=3571424322666598e9586a906485e1543b617f87644913eaf137d986a3393f5c
   shellwords (0.2.2) sha256=b8695a791de2f71472de5abdc3f4332f6535a4177f55d8f99e7e44266cd32f94