update_spec.rb

# frozen_string_literal: true

RSpec.describe "bundle update" do
  describe "with no arguments" do
    before do
      build_repo2

      install_gemfile <<-G
        source "https://gem.repo2"
        gem "activesupport"
        gem "myrack-obama"
        gem "platform_specific"
      G
    end

    it "updates the entire bundle" do
      update_repo2 do
        build_gem "myrack", "1.2" do |s|
          s.executables = "myrackup"
        end

        build_gem "activesupport", "3.0"
      end

      bundle "update"
      expect(out).to include("Bundle updated!")
      expect(the_bundle).to include_gems "myrack 1.2", "myrack-obama 1.0", "activesupport 3.0"
    end

    it "doesn't delete the Gemfile.lock file if something goes wrong" do
      gemfile <<-G
        source "https://gem.repo2"
        gem "activesupport"
        gem "myrack-obama"
        exit!
      G
      bundle "update", raise_on_error: false
      expect(bundled_app_lock).to exist
    end
  end

  describe "with --verbose" do
    before do
      build_repo2

      install_gemfile <<~G
        source "https://gem.repo2"
        gem "myrack"
      G
    end

    it "logs the reason for re-resolving" do
      bundle "update --verbose"
      expect(out).not_to include("Found changes from the lockfile")
      expect(out).to include("Re-resolving dependencies because bundler is unlocking")
    end
  end

  describe "with --all" do
    before do
      build_repo2

      install_gemfile <<-G
        source "https://gem.repo2"
        gem "activesupport"
        gem "myrack-obama"
        gem "platform_specific"
      G
    end

    it "updates the entire bundle" do
      update_repo2 do
        build_gem "myrack", "1.2" do |s|
          s.executables = "myrackup"
        end

        build_gem "activesupport", "3.0"
      end

      bundle "update", all: true
      expect(out).to include("Bundle updated!")
      expect(the_bundle).to include_gems "myrack 1.2", "myrack-obama 1.0", "activesupport 3.0"
    end

    it "doesn't delete the Gemfile.lock file if something goes wrong" do
      install_gemfile "source 'https://gem.repo1'"

      gemfile <<-G
        source "https://gem.repo2"
        gem "activesupport"
        gem "myrack-obama"
        exit!
      G
      bundle "update", all: true, raise_on_error: false
      expect(bundled_app_lock).to exist
    end
  end

  describe "with --gemfile" do
    it "creates lockfiles based on the Gemfile name" do
      gemfile bundled_app("OmgFile"), <<-G
        source "https://gem.repo1"
        gem "myrack", "1.0"
      G

      bundle "update --gemfile OmgFile", all: true

      expect(bundled_app("OmgFile.lock")).to exist
    end
  end

  context "when update_requires_all_flag is set" do
    before { bundle "config set update_requires_all_flag true" }

    it "errors when passed nothing" do
      install_gemfile "source 'https://gem.repo1'"
      bundle :update, raise_on_error: false
      expect(err).to eq("To update everything, pass the `--all` flag.")
    end

    it "errors when passed --all and another option" do
      install_gemfile "source 'https://gem.repo1'"
      bundle "update --all foo", raise_on_error: false
      expect(err).to eq("Cannot specify --all along with specific options.")
    end

    it "updates everything when passed --all" do
      install_gemfile "source 'https://gem.repo1'"
      bundle "update --all"
      expect(out).to include("Bundle updated!")
    end
  end

  describe "--quiet argument" do
    before do
      build_repo2

      install_gemfile <<-G
        source "https://gem.repo2"
        gem "activesupport"
        gem "myrack-obama"
        gem "platform_specific"
      G
    end

    it "hides UI messages" do
      bundle "update --quiet"
      expect(out).not_to include("Bundle updated!")
    end
  end

  describe "with a top level dependency" do
    before do
      build_repo2

      install_gemfile <<-G
        source "https://gem.repo2"
        gem "activesupport"
        gem "myrack-obama"
        gem "platform_specific"
      G
    end

    it "unlocks all child dependencies that are unrelated to other locked dependencies" do
      update_repo2 do
        build_gem "myrack", "1.2" do |s|
          s.executables = "myrackup"
        end

        build_gem "activesupport", "3.0"
      end

      bundle "update myrack-obama"
      expect(the_bundle).to include_gems "myrack 1.2", "myrack-obama 1.0", "activesupport 2.3.5"
    end
  end

  describe "with an unknown dependency" do
    before do
      build_repo2

      install_gemfile <<-G
        source "https://gem.repo2"
        gem "activesupport"
        gem "myrack-obama"
        gem "platform_specific"
      G
    end

    it "should inform the user" do
      bundle "update halting-problem-solver", raise_on_error: false
      expect(err).to include "Could not find gem 'halting-problem-solver'"
    end
    it "should suggest alternatives" do
      bundle "update platformspecific", raise_on_error: false
      expect(err).to include "Did you mean 'platform_specific'?"
    end
  end

  describe "with a child dependency" do
    before do
      build_repo2

      install_gemfile <<-G
        source "https://gem.repo2"
        gem "activesupport"
        gem "myrack-obama"
        gem "platform_specific"
      G
    end

    it "should update the child dependency" do
      update_repo2 do
        build_gem "myrack", "1.2" do |s|
          s.executables = "myrackup"
        end
      end

      bundle "update myrack"
      expect(the_bundle).to include_gems "myrack 1.2"
    end
  end

  describe "when a possible resolve requires an older version of a locked gem" do
    it "does not go to an older version" do
      build_repo4 do
        build_gem "tilt", "2.0.8"
        build_gem "slim", "3.0.9" do |s|
          s.add_dependency "tilt", [">= 1.3.3", "< 2.1"]
        end
        build_gem "slim_lint", "0.16.1" do |s|
          s.add_dependency "slim", [">= 3.0", "< 5.0"]
        end
        build_gem "slim-rails", "0.2.1" do |s|
          s.add_dependency "slim", ">= 0.9.2"
        end
        build_gem "slim-rails", "3.1.3" do |s|
          s.add_dependency "slim", "~> 3.0"
        end
      end

      install_gemfile <<-G
        source "https://gem.repo4"
        gem "slim-rails"
        gem "slim_lint"
      G

      expect(the_bundle).to include_gems("slim 3.0.9", "slim-rails 3.1.3", "slim_lint 0.16.1")

      build_repo4 do
        build_gem "slim", "4.0.0" do |s|
          s.add_dependency "tilt", [">= 2.0.6", "< 2.1"]
        end
      end

      bundle "update", all: true

      expect(the_bundle).to include_gems("slim 3.0.9", "slim-rails 3.1.3", "slim_lint 0.16.1")
    end

    it "does not go to an older version, even if the version upgrade that could cause another gem to downgrade is activated first" do
      build_repo4 do
        # countries is processed before country_select by the resolver due to having less spec groups (groups of versions with the same dependencies) (2 vs 3)

        build_gem "countries", "2.1.4"
        build_gem "countries", "3.1.0"

        build_gem "countries", "4.0.0" do |s|
          s.add_dependency "sixarm_ruby_unaccent", "~> 1.1"
        end

        build_gem "country_select", "1.2.0"

        build_gem "country_select", "2.1.4" do |s|
          s.add_dependency "countries", "~> 2.0"
        end
        build_gem "country_select", "3.1.1" do |s|
          s.add_dependency "countries", "~> 2.0"
        end

        build_gem "country_select", "5.1.0" do |s|
          s.add_dependency "countries", "~> 3.0"
        end

        build_gem "sixarm_ruby_unaccent", "1.1.0"
      end

      gemfile <<~G
        source "https://gem.repo4"

        gem "country_select"
        gem "countries"
      G

      checksums = checksums_section_when_enabled do |c|
        c.checksum(gem_repo4, "countries", "3.1.0")
        c.checksum(gem_repo4, "country_select", "5.1.0")
      end

      lockfile <<~L
        GEM
          remote: https://gem.repo4/
          specs:
            countries (3.1.0)
            country_select (5.1.0)
              countries (~> 3.0)

        PLATFORMS
          #{local_platform}

        DEPENDENCIES
          countries
          country_select
        #{checksums}
        BUNDLED WITH
          #{Bundler::VERSION}
      L

      previous_lockfile = lockfile

      bundle "lock --update", env: { "DEBUG" => "1" }, verbose: true

      expect(lockfile).to eq(previous_lockfile)
    end

    it "does not downgrade direct dependencies when run with --conservative" do
      build_repo4 do
        build_gem "oauth2", "2.0.6" do |s|
          s.add_dependency "faraday", ">= 0.17.3", "< 3.0"
        end

        build_gem "oauth2", "1.4.10" do |s|
          s.add_dependency "faraday", ">= 0.17.3", "< 3.0"
          s.add_dependency "multi_json", "~> 1.3"
        end

        build_gem "faraday", "2.5.2"

        build_gem "multi_json", "1.15.0"

        build_gem "quickbooks-ruby", "1.0.19" do |s|
          s.add_dependency "oauth2", "~> 1.4"
        end

        build_gem "quickbooks-ruby", "0.1.9" do |s|
          s.add_dependency "oauth2"
        end
      end

      gemfile <<-G
        source "https://gem.repo4"

        gem "oauth2"
        gem "quickbooks-ruby"
      G

      lockfile <<~L
        GEM
          remote: https://gem.repo4/
          specs:
            faraday (2.5.2)
            multi_json (1.15.0)
            oauth2 (1.4.10)
              faraday (>= 0.17.3, < 3.0)
              multi_json (~> 1.3)
            quickbooks-ruby (1.0.19)
              oauth2 (~> 1.4)

        PLATFORMS
          #{lockfile_platforms}

        DEPENDENCIES
          oauth2
          quickbooks-ruby

        BUNDLED WITH
          #{Bundler::VERSION}
      L

      bundle "update --conservative --verbose"

      expect(out).not_to include("Installing quickbooks-ruby 0.1.9")
      expect(out).to include("Installing quickbooks-ruby 1.0.19").and include("Installing oauth2 1.4.10")
    end

    it "does not downgrade direct dependencies when using gemspec sources" do
      create_file("rails.gemspec", <<-G)
        Gem::Specification.new do |gem|
          gem.name = "rails"
          gem.version = "7.1.0.alpha"
          gem.author = "DHH"
          gem.summary = "Full-stack web application framework."
        end
      G

      build_repo4 do
        build_gem "rake", "12.3.3"
        build_gem "rake", "13.0.6"

        build_gem "sneakers", "2.11.0" do |s|
          s.add_dependency "rake"
        end

        build_gem "sneakers", "2.12.0" do |s|
          s.add_dependency "rake", "~> 12.3"
        end
      end

      gemfile <<-G
        source "https://gem.repo4"

        gemspec

        gem "rake"
        gem "sneakers"
      G

      lockfile <<~L
        PATH
          remote: .
          specs:

        GEM
          remote: https://gem.repo4/
          specs:
            rake (13.0.6)
            sneakers (2.11.0)
              rake

        PLATFORMS
          #{lockfile_platforms}

        DEPENDENCIES
          rake
          sneakers

        BUNDLED WITH
          #{Bundler::VERSION}
      L

      bundle "update --verbose"

      expect(out).not_to include("Installing sneakers 2.12.0")
      expect(out).not_to include("Installing rake 12.3.3")
      expect(out).to include("Installing sneakers 2.11.0").and include("Installing rake 13.0.6")
    end

    it "downgrades indirect dependencies if required to fulfill an explicit upgrade request" do
      build_repo4 do
        build_gem "rbs", "3.6.1"
        build_gem "rbs", "3.9.4"

        build_gem "solargraph", "0.56.0" do |s|
          s.add_dependency "rbs", "~> 3.3"
        end

        build_gem "solargraph", "0.56.2" do |s|
          s.add_dependency "rbs", "~> 3.6.1"
        end
      end

      gemfile <<~G
        source "https://gem.repo4"

        gem 'solargraph', '~> 0.56.0'
      G

      lockfile <<~L
        GEM
          remote: https://gem.repo4/
          specs:
            rbs (3.9.4)
            solargraph (0.56.0)
              rbs (~> 3.3)

        PLATFORMS
          #{lockfile_platforms}

        DEPENDENCIES
          solargraph (~> 0.56.0)

        BUNDLED WITH
          #{Bundler::VERSION}
      L

      bundle "lock --update solargraph"

      expect(lockfile).to include("solargraph (0.56.2)")
    end

    it "does not downgrade direct dependencies unnecessarily" do
      build_repo4 do
        build_gem "redis", "4.8.1"
        build_gem "redis", "5.3.0"

        build_gem "sidekiq", "6.5.5" do |s|
          s.add_dependency "redis", ">= 4.5.0"
        end

        build_gem "sidekiq", "6.5.12" do |s|
          s.add_dependency "redis", ">= 4.5.0", "< 5"
        end

        # one version of sidekiq above Gemfile's range is needed to make the
        # resolver choose `redis` first and trying to upgrade it, reproducing
        # the accidental sidekiq downgrade as a result
        build_gem "sidekiq", "7.0.0 " do |s|
          s.add_dependency "redis", ">= 4.2.0"
        end

        build_gem "sentry-sidekiq", "5.22.0" do |s|
          s.add_dependency "sidekiq", ">= 3.0"
        end

        build_gem "sentry-sidekiq", "5.22.4" do |s|
          s.add_dependency "sidekiq", ">= 3.0"
        end
      end

      gemfile <<~G
        source "https://gem.repo4"

        gem "redis"
        gem "sidekiq", "~> 6.5"
        gem "sentry-sidekiq"
      G

      original_lockfile = <<~L
        GEM
          remote: https://gem.repo4/
          specs:
            redis (4.8.1)
            sentry-sidekiq (5.22.0)
              sidekiq (>= 3.0)
            sidekiq (6.5.12)
              redis (>= 4.5.0, < 5)

        PLATFORMS
          #{lockfile_platforms}

        DEPENDENCIES
          redis
          sentry-sidekiq
          sidekiq (~> 6.5)

        BUNDLED WITH
          #{Bundler::VERSION}
      L

      lockfile original_lockfile

      bundle "lock --update sentry-sidekiq"

      expect(lockfile).to eq(original_lockfile.sub("sentry-sidekiq (5.22.0)", "sentry-sidekiq (5.22.4)"))
    end

    it "does not downgrade indirect dependencies unnecessarily" do
      build_repo4 do
        build_gem "a" do |s|
          s.add_dependency "b"
          s.add_dependency "c"
        end
        build_gem "b"
        build_gem "c"
        build_gem "c", "2.0"
      end

      install_gemfile <<-G, verbose: true
        source "https://gem.repo4"
        gem "a"
      G

      expect(the_bundle).to include_gems("a 1.0", "b 1.0", "c 2.0")

      build_repo4 do
        build_gem "b", "2.0" do |s|
          s.add_dependency "c", "< 2"
        end
      end

      bundle "update", all: true, verbose: true
      expect(the_bundle).to include_gems("a 1.0", "b 1.0", "c 2.0")
    end

    it "should still downgrade if forced by the Gemfile" do
      build_repo4 do
        build_gem "a"
        build_gem "b", "1.0"
        build_gem "b", "2.0"
      end

      install_gemfile <<-G
        source "https://gem.repo4"
        gem "a"
        gem "b"
      G

      expect(the_bundle).to include_gems("a 1.0", "b 2.0")

      gemfile <<-G
        source "https://gem.repo4"
        gem "a"
        gem "b", "1.0"
      G

      bundle "update b"

      expect(the_bundle).to include_gems("a 1.0", "b 1.0")
    end

    it "should still downgrade if forced by the Gemfile, when transitive dependencies also need downgrade" do
      build_repo4 do
        build_gem "activesupport", "6.1.4.1" do |s|
          s.add_dependency "tzinfo", "~> 2.0"
        end

        build_gem "activesupport", "6.0.4.1" do |s|
          s.add_dependency "tzinfo", "~> 1.1"
        end

        build_gem "tzinfo", "2.0.4"
        build_gem "tzinfo", "1.2.9"
      end

      install_gemfile <<-G
        source "https://gem.repo4"
        gem "activesupport", "~> 6.1.0"
      G

      expect(the_bundle).to include_gems("activesupport 6.1.4.1", "tzinfo 2.0.4")

      gemfile <<-G
        source "https://gem.repo4"
        gem "activesupport", "~> 6.0.0"
      G

      original_lockfile = lockfile

      checksums = checksums_section_when_enabled do |c|
        c.checksum gem_repo4, "activesupport", "6.0.4.1"
        c.checksum gem_repo4, "tzinfo", "1.2.9"
      end

      expected_lockfile = <<~L
        GEM
          remote: https://gem.repo4/
          specs:
            activesupport (6.0.4.1)
              tzinfo (~> 1.1)
            tzinfo (1.2.9)

        PLATFORMS
          #{lockfile_platforms}

        DEPENDENCIES
          activesupport (~> 6.0.0)
        #{checksums}
        BUNDLED WITH
          #{Bundler::VERSION}
      L

      bundle "update activesupport"
      expect(the_bundle).to include_gems("activesupport 6.0.4.1", "tzinfo 1.2.9")
      expect(lockfile).to eq(expected_lockfile)

      lockfile original_lockfile
      bundle "update"
      expect(the_bundle).to include_gems("activesupport 6.0.4.1", "tzinfo 1.2.9")
      expect(lockfile).to eq(expected_lockfile)

      lockfile original_lockfile
      bundle "lock --update"
      expect(the_bundle).to include_gems("activesupport 6.0.4.1", "tzinfo 1.2.9")
      expect(lockfile).to eq(expected_lockfile)
    end
  end

  describe "with --local option" do
    before do
      build_repo2

      gemfile <<-G
        source "https://gem.repo2"
        gem "activesupport"
        gem "myrack-obama"
        gem "platform_specific"
      G
    end

    it "doesn't hit repo2" do
      simulate_platform "x86-darwin-100" do
        lockfile <<~L
          GEM
            remote: https://gem.repo2/
            specs:
              activesupport (2.3.5)
              platform_specific (1.0-x86-darwin-100)
              myrack (1.0.0)
              myrack-obama (1.0)
                myrack

          PLATFORMS
            x86-darwin-100

          DEPENDENCIES
            activesupport
            platform_specific
            myrack-obama

          BUNDLED WITH
            #{Bundler::VERSION}
        L

        bundle "install"

        FileUtils.rm_r(gem_repo2)

        bundle "update --local --all"
        expect(out).not_to include("Fetching source index")
      end
    end
  end

  describe "with --group option" do
    before do
      build_repo2
    end

    it "should update only specified group gems" do
      install_gemfile <<-G
        source "https://gem.repo2"
        gem "activesupport", :group => :development
        gem "myrack"
      G
      update_repo2 do
        build_gem "myrack", "1.2" do |s|
          s.executables = "myrackup"
        end

        build_gem "activesupport", "3.0"
      end
      bundle "update --group development"
      expect(the_bundle).to include_gems "activesupport 3.0"
      expect(the_bundle).not_to include_gems "myrack 1.2"
    end

    context "when conservatively updating a group with non-group sub-deps" do
      it "should update only specified group gems" do
        install_gemfile <<-G
          source "https://gem.repo2"
          gem "activemerchant", :group => :development
          gem "activesupport"
        G
        update_repo2 do
          build_gem "activemerchant", "2.0"
          build_gem "activesupport", "3.0"
        end
        bundle "update --conservative --group development"
        expect(the_bundle).to include_gems "activemerchant 2.0"
        expect(the_bundle).not_to include_gems "activesupport 3.0"
      end
    end

    context "when there is a source with the same name as a gem in a group" do
      before do
        build_git "foo", path: lib_path("activesupport")
        install_gemfile <<-G
          source "https://gem.repo2"
          gem "activesupport", :group => :development
          gem "foo", :git => "#{lib_path("activesupport")}"
        G
      end

      it "should not update the gems from that source" do
        update_repo2 { build_gem "activesupport", "3.0" }
        update_git "foo", "2.0", path: lib_path("activesupport")

        bundle "update --group development"
        expect(the_bundle).to include_gems "activesupport 3.0"
        expect(the_bundle).not_to include_gems "foo 2.0"
      end
    end

    context "when bundler itself is a transitive dependency" do
      it "executes without error" do
        install_gemfile <<-G
          source "https://gem.repo1"
          gem "activesupport", :group => :development
          gem "myrack"
        G
        update_repo2 do
          build_gem "myrack", "1.2" do |s|
            s.executables = "myrackup"
          end

          build_gem "activesupport", "3.0"
        end
        bundle "update --group development"
        expect(the_bundle).to include_gems "activesupport 2.3.5"
        expect(the_bundle).to include_gems "bundler #{Bundler::VERSION}"
        expect(the_bundle).not_to include_gems "myrack 1.2"
      end
    end
  end

  describe "in a frozen bundle" do
    before do
      build_repo2

      install_gemfile <<-G
        source "https://gem.repo2"
        gem "activesupport"
        gem "myrack-obama"
        gem "platform_specific"
      G
    end

    it "should fail loudly" do
      bundle "config deployment true"
      bundle "update", all: true, raise_on_error: false

      expect(last_command).to be_failure
      expect(err).to eq <<~ERROR.strip
        Bundler is unlocking, but the lockfile can't be updated because frozen mode is set

        If this is a development machine, remove the Gemfile.lock freeze by running `bundle config set frozen false`.
      ERROR
    end

    it "should fail loudly when frozen is set globally" do
      bundle "config set --global frozen 1"
      bundle "update", all: true, raise_on_error: false
      expect(err).to eq <<~ERROR.strip
        Bundler is unlocking, but the lockfile can't be updated because frozen mode is set

        If this is a development machine, remove the Gemfile.lock freeze by running `bundle config set frozen false`.
      ERROR
    end

    it "should fail loudly when deployment is set globally" do
      bundle "config set --global deployment true"
      bundle "update", all: true, raise_on_error: false
      expect(err).to eq <<~ERROR.strip
        Bundler is unlocking, but the lockfile can't be updated because frozen mode is set

        If this is a development machine, remove the Gemfile.lock freeze by running `bundle config set frozen false`.
      ERROR
    end

    it "should not suggest any command to unfreeze bundler if frozen is set through ENV" do
      bundle "update", all: true, raise_on_error: false, env: { "BUNDLE_FROZEN" => "true" }
      expect(err).to eq("Bundler is unlocking, but the lockfile can't be updated because frozen mode is set")
    end
  end

  describe "with --source option" do
    before do
      build_repo2
    end

    it "should not update gems not included in the source that happen to have the same name" do
      install_gemfile <<-G
        source "https://gem.repo2"
        gem "activesupport"
      G
      update_repo2 { build_gem "activesupport", "3.0" }

      bundle "update --source activesupport"
      expect(the_bundle).not_to include_gem "activesupport 3.0"
    end

    it "should not update gems not included in the source that happen to have the same name" do
      install_gemfile <<-G
        source "https://gem.repo2"
        gem "activesupport"
      G
      update_repo2 { build_gem "activesupport", "3.0" }

      bundle "update --source activesupport"
      expect(the_bundle).not_to include_gems "activesupport 3.0"
    end
  end

  context "when there is a child dependency that is also in the gemfile" do
    before do
      build_repo2 do
        build_gem "fred", "1.0"
        build_gem "harry", "1.0" do |s|
          s.add_dependency "fred"
        end
      end

      install_gemfile <<-G
        source "https://gem.repo2"
        gem "harry"
        gem "fred"
      G
    end

    it "should not update the child dependencies of a gem that has the same name as the source" do
      update_repo2 do
        build_gem "fred", "2.0"
        build_gem "harry", "2.0" do |s|
          s.add_dependency "fred"
        end
      end

      bundle "update --source harry"
      expect(the_bundle).to include_gems "harry 1.0", "fred 1.0"
    end
  end

  context "when there is a child dependency that appears elsewhere in the dependency graph" do
    before do
      build_repo2 do
        build_gem "fred", "1.0" do |s|
          s.add_dependency "george"
        end
        build_gem "george", "1.0"
        build_gem "harry", "1.0" do |s|
          s.add_dependency "george"
        end
      end

      install_gemfile <<-G
        source "https://gem.repo2"
        gem "harry"
        gem "fred"
      G
    end

    it "should not update the child dependencies of a gem that has the same name as the source" do
      update_repo2 do
        build_gem "george", "2.0"
        build_gem "harry", "2.0" do |s|
          s.add_dependency "george"
        end
      end

      bundle "update --source harry"
      expect(the_bundle).to include_gems "harry 1.0", "fred 1.0", "george 1.0"
    end
  end

  it "shows the previous version of the gem when updated from rubygems source" do
    build_repo2

    install_gemfile <<-G
      source "https://gem.repo2"
      gem "activesupport"
    G

    bundle "update", all: true, verbose: true
    expect(out).to include("Using activesupport 2.3.5")

    update_repo2 do
      build_gem "activesupport", "3.0"
    end

    bundle "update", all: true
    expect(out).to include("Installing activesupport 3.0 (was 2.3.5)")
  end

  it "only prints `Using` for versions that have changed" do
    build_repo4 do
      build_gem "bar"
      build_gem "foo"
    end

    install_gemfile <<-G
      source "https://gem.repo4"
      gem "bar"
      gem "foo"
    G

    bundle "update", all: true
    expect(out).to match(/Resolving dependencies\.\.\.\.*\nBundle updated!/)

    build_repo4 do
      build_gem "foo", "2.0"
    end

    bundle "update", all: true
    expect(out.sub("Removing foo (1.0)\n", "")).to match(/Resolving dependencies\.\.\.\.*\nFetching foo 2\.0 \(was 1\.0\)\nInstalling foo 2\.0 \(was 1\.0\)\nBundle updated/)
  end

  it "shows error message when Gemfile.lock is not preset and gem is specified" do
    gemfile <<-G
      source "https://gem.repo2"
      gem "activesupport"
    G

    bundle "update nonexisting", raise_on_error: false
    expect(err).to include("This Bundle hasn't been installed yet. Run `bundle install` to update and install the bundled gems.")
    expect(exitstatus).to eq(22)
  end

  context "with multiple sources and caching enabled" do
    before do
      build_repo2 do
        build_gem "myrack", "1.0.0"

        build_gem "request_store", "1.0.0" do |s|
          s.add_dependency "myrack", "1.0.0"
        end
      end

      build_repo4 do
        # set up repo with no gems
      end

      gemfile <<~G
        source "https://gem.repo2"

        gem "request_store"

        source "https://gem.repo4" do
        end
      G

      lockfile <<~L
        GEM
          remote: https://gem.repo2/
          specs:
            myrack (1.0.0)
            request_store (1.0.0)
              myrack (= 1.0.0)

        GEM
          remote: https://gem.repo4/
          specs:

        PLATFORMS
          #{local_platform}

        DEPENDENCIES
          request_store

        BUNDLED WITH
          #{Bundler::VERSION}
      L
    end

    it "works" do
      bundle :install
      bundle :cache

      update_repo2 do
        build_gem "request_store", "1.1.0" do |s|
          s.add_dependency "myrack", "1.0.0"
        end
      end

      bundle "update request_store"

      expect(out).to include("Bundle updated!")

      expect(lockfile).to eq <<~L
        GEM
          remote: https://gem.repo2/
          specs:
            myrack (1.0.0)
            request_store (1.1.0)
              myrack (= 1.0.0)

        GEM
          remote: https://gem.repo4/
          specs:

        PLATFORMS
          #{local_platform}

        DEPENDENCIES
          request_store

        BUNDLED WITH
          #{Bundler::VERSION}
      L
    end
  end
end

RSpec.describe "bundle update in more complicated situations" do
  before do
    build_repo2
  end

  it "will eagerly unlock dependencies of a specified gem" do
    install_gemfile <<-G
      source "https://gem.repo2"

      gem "thin"
      gem "myrack-obama"
    G

    update_repo2 do
      build_gem "myrack", "1.2" do |s|
        s.executables = "myrackup"
      end

      build_gem "thin", "2.0" do |s|
        s.add_dependency "myrack"
      end
    end

    bundle "update thin"
    expect(the_bundle).to include_gems "thin 2.0", "myrack 1.2", "myrack-obama 1.0"
  end

  it "will warn when some explicitly updated gems are not updated" do
    install_gemfile <<-G
      source "https://gem.repo2"

      gem "thin"
      gem "myrack-obama"
    G

    update_repo2 do
      build_gem("thin", "2.0") {|s| s.add_dependency "myrack" }
      build_gem "myrack", "10.0"
    end

    bundle "update thin myrack-obama"
    expect(stdboth).to include "Bundler attempted to update myrack-obama but its version stayed the same"
    expect(the_bundle).to include_gems "thin 2.0", "myrack 10.0", "myrack-obama 1.0"
  end

  it "will not warn when an explicitly updated git gem changes sha but not version" do
    build_git "foo"

    install_gemfile <<-G
      source "https://gem.repo1"
      gem "foo", :git => '#{lib_path("foo-1.0")}'
    G

    update_git "foo" do |s|
      s.write "lib/foo2.rb", "puts :foo2"
    end

    bundle "update foo"

    expect(stdboth).not_to include "attempted to update"
  end

  it "will not warn when changing gem sources but not versions" do
    build_git "myrack"

    install_gemfile <<-G
      source "https://gem.repo2"
      gem "myrack", :git => '#{lib_path("myrack-1.0")}'
    G

    gemfile <<-G
      source "https://gem.repo1"
      gem "myrack"
    G

    bundle "update myrack"

    expect(stdboth).not_to include "attempted to update"
  end

  it "will update only from pinned source" do
    install_gemfile <<-G
      source "https://gem.repo2"

      source "https://gem.repo1" do
        gem "thin"
      end
    G

    update_repo2 do
      build_gem "thin", "2.0"
    end

    bundle "update", artifice: "compact_index"
    expect(the_bundle).to include_gems "thin 1.0"
  end

  context "when the lockfile is for a different platform" do
    around do |example|
      build_repo4 do
        build_gem("a", "0.9")
        build_gem("a", "0.9") {|s| s.platform = "java" }
        build_gem("a", "1.1")
        build_gem("a", "1.1") {|s| s.platform = "java" }
      end

      gemfile <<-G
        source "https://gem.repo4"
        gem "a"
      G

      lockfile <<-L
        GEM
          remote: https://gem.repo4
          specs:
            a (0.9-java)

        PLATFORMS
          java

        DEPENDENCIES
          a
      L

      simulate_platform "x86_64-linux", &example
    end

    it "allows updating" do
      bundle :update, all: true
      expect(the_bundle).to include_gem "a 1.1"
    end

    it "allows updating a specific gem" do
      bundle "update a"
      expect(the_bundle).to include_gem "a 1.1"
    end
  end

  context "when the dependency is for a different platform" do
    before do
      build_repo4 do
        build_gem("a", "0.9") {|s| s.platform = "java" }
        build_gem("a", "1.1") {|s| s.platform = "java" }
      end

      gemfile <<-G
        source "https://gem.repo4"
        gem "a", platform: :jruby
      G

      lockfile <<-L
        GEM
          remote: https://gem.repo4
          specs:
            a (0.9-java)

        PLATFORMS
          java

        DEPENDENCIES
          a
      L
    end

    it "is not updated because it is not actually included in the bundle" do
      simulate_platform "x86_64-linux" do
        bundle "update a"
        expect(stdboth).to include "Bundler attempted to update a but it was not considered because it is for a different platform from the current one"
        expect(the_bundle).to_not include_gem "a"
      end
    end
  end
end

RSpec.describe "bundle update without a Gemfile.lock" do
  it "should not explode" do
    build_repo2

    gemfile <<-G
      source "https://gem.repo2"

      gem "myrack", "1.0"
    G

    bundle "update", all: true

    expect(the_bundle).to include_gems "myrack 1.0.0"
  end
end

RSpec.describe "bundle update when a gem depends on a newer version of bundler" do
  before do
    build_repo2 do
      build_gem "rails", "3.0.1" do |s|
        s.add_dependency "bundler", "9.9.9"
      end

      build_gem "bundler", "9.9.9"
    end

    gemfile <<-G
      source "https://gem.repo2"
      gem "rails", "3.0.1"
    G
  end

  it "should explain that bundler conflicted and how to resolve the conflict" do
    bundle "update", all: true, raise_on_error: false
    expect(stdboth).not_to match(/in snapshot/i)
    expect(err).to match(/current Bundler version/i).
      and match(/Install the necessary version with `gem install bundler:9\.9\.9`/i)
  end
end

RSpec.describe "bundle update --ruby" do
  context "when the Gemfile removes the ruby" do
    before do
      install_gemfile <<-G
        ruby '~> #{Gem.ruby_version}'
        source "https://gem.repo1"
      G

      gemfile <<-G
        source "https://gem.repo1"
      G
    end

    it "removes the Ruby from the Gemfile.lock" do
      bundle "update --ruby"

      expect(lockfile).to eq <<~L
       GEM
         remote: https://gem.repo1/
         specs:

       PLATFORMS
         #{lockfile_platforms}

       DEPENDENCIES
       #{checksums_section_when_enabled}
       BUNDLED WITH
         #{Bundler::VERSION}
      L
    end
  end

  context "when the Gemfile specified an updated Ruby version" do
    before do
      install_gemfile <<-G
        ruby '~> #{Gem.ruby_version}'
        source "https://gem.repo1"
      G

      gemfile <<-G
        ruby '~> #{current_ruby_minor}'
        source "https://gem.repo1"
      G
    end

    it "updates the Gemfile.lock with the latest version" do
      bundle "update --ruby"

      expect(lockfile).to eq <<~L
        GEM
          remote: https://gem.repo1/
          specs:

        PLATFORMS
          #{lockfile_platforms}

        DEPENDENCIES
        #{checksums_section_when_enabled}
        RUBY VERSION
          #{Bundler::RubyVersion.system}

        BUNDLED WITH
          #{Bundler::VERSION}
      L
    end
  end

  context "when a different Ruby is being used than has been versioned" do
    before do
      install_gemfile <<-G
        ruby '~> #{Gem.ruby_version}'
        source "https://gem.repo1"
      G

      gemfile <<-G
          ruby '~> 2.1.0'
          source "https://gem.repo1"
      G
    end
    it "shows a helpful error message" do
      bundle "update --ruby", raise_on_error: false

      expect(err).to include("Your Ruby version is #{Bundler::RubyVersion.system.gem_version}, but your Gemfile specified ~> 2.1.0")
    end
  end

  context "when updating Ruby version and Gemfile `ruby`" do
    before do
      lockfile <<~L
       GEM
         remote: https://gem.repo1/
         specs:

       PLATFORMS
         #{lockfile_platforms}

       DEPENDENCIES

       CHECKSUMS

       RUBY VERSION
          ruby 2.1.4p222

       BUNDLED WITH
         #{Bundler::VERSION}
      L

      gemfile <<-G
          ruby '~> #{Gem.ruby_version}'
          source "https://gem.repo1"
      G
    end

    it "updates the Gemfile.lock with the latest version" do
      bundle "update --ruby"

      expect(lockfile).to eq <<~L
       GEM
         remote: https://gem.repo1/
         specs:

       PLATFORMS
         #{lockfile_platforms}

       DEPENDENCIES

       CHECKSUMS

       RUBY VERSION
         #{Bundler::RubyVersion.system}

       BUNDLED WITH
         #{Bundler::VERSION}
      L
    end
  end
end

RSpec.describe "bundle update --bundler" do
  it "updates the bundler version in the lockfile" do
    build_repo4 do
      build_gem "bundler", "2.5.9"
      build_gem "myrack", "1.0"
    end

    checksums = checksums_section_when_enabled do |c|
      c.checksum(gem_repo4, "myrack", "1.0")
    end

    install_gemfile <<-G
      source "https://gem.repo4"
      gem "myrack"
    G
    expect(lockfile).to eq <<~L
      GEM
        remote: https://gem.repo4/
        specs:
          myrack (1.0)

      PLATFORMS
        #{lockfile_platforms}

      DEPENDENCIES
        myrack
      #{checksums}
      BUNDLED WITH
        #{Bundler::VERSION}
    L
    lockfile lockfile.sub(/(^\s*)#{Bundler::VERSION}($)/, '\11.0.0\2')

    bundle :update, bundler: true, verbose: true
    expect(out).to include("Using bundler #{Bundler::VERSION}")

    expect(lockfile).to eq <<~L
      GEM
        remote: https://gem.repo4/
        specs:
          myrack (1.0)

      PLATFORMS
        #{lockfile_platforms}

      DEPENDENCIES
        myrack
      #{checksums}
      BUNDLED WITH
        #{Bundler::VERSION}
    L

    expect(the_bundle).to include_gem "myrack 1.0"
  end

  it "updates the bundler version in the lockfile without re-resolving if the highest version is already installed" do
    build_repo4 do
      build_gem "bundler", "2.3.9"
      build_gem "myrack", "1.0"
    end

    install_gemfile <<-G
      source "https://gem.repo4"
      gem "myrack"
    G
    lockfile lockfile.sub(/(^\s*)#{Bundler::VERSION}($)/, "2.3.9")

    checksums = checksums_section_when_enabled do |c|
      c.checksum(gem_repo4, "myrack", "1.0")
    end

    bundle :update, bundler: true, verbose: true
    expect(out).to include("Using bundler #{Bundler::VERSION}")

    expect(lockfile).to eq <<~L
      GEM
        remote: https://gem.repo4/
        specs:
          myrack (1.0)

      PLATFORMS
        #{lockfile_platforms}

      DEPENDENCIES
        myrack
      #{checksums}
      BUNDLED WITH
        #{Bundler::VERSION}
    L

    expect(the_bundle).to include_gem "myrack 1.0"
  end

  it "updates the bundler version in the lockfile even if the latest version is not installed", :ruby_repo do
    bundle "config path.system true"

    pristine_system_gems "bundler-9.0.0"

    build_repo4 do
      build_gem "myrack", "1.0"

      build_bundler "999.0.0"
    end

    checksums = checksums_section do |c|
      c.checksum(gem_repo4, "myrack", "1.0")
    end

    install_gemfile <<-G
      source "https://gem.repo4"
      gem "myrack"
    G

    bundle :update, bundler: true, verbose: true

    expect(out).to include("Updating bundler to 999.0.0")
    expect(out).to include("Running `bundle update --bundler \"> 0.a\" --verbose` with bundler 999.0.0")
    expect(out).not_to include("Installing Bundler 2.99.9 and restarting using that version.")

    expect(lockfile).to eq <<~L
      GEM
        remote: https://gem.repo4/
        specs:
          myrack (1.0)

      PLATFORMS
        #{lockfile_platforms}

      DEPENDENCIES
        myrack
      #{checksums}
      BUNDLED WITH
        999.0.0
    L

    expect(the_bundle).to include_gems "bundler 999.0.0"
    expect(the_bundle).to include_gems "myrack 1.0"
  end

  it "does not claim to update to Bundler version to a wrong version when cached gems are present" do
    pristine_system_gems "bundler-4.99.0"

    build_repo4 do
      build_gem "myrack", "3.0.9.1"

      build_bundler "4.99.0"
    end

    gemfile <<~G
      source "https://gem.repo4"
      gem "myrack"
    G

    lockfile <<~L
      GEM
        remote: https://gem.repo4/
        specs:
          myrack (3.0.9.1)

      PLATFORMS
        #{lockfile_platforms}

      DEPENDENCIES
       myrack

      BUNDLED WITH
         2.99.0
    L

    bundle :cache, verbose: true

    bundle :update, bundler: true, verbose: true

    expect(out).not_to include("Updating bundler to")
  end

  it "does not update the bundler version in the lockfile if the latest version is not compatible with current ruby", :ruby_repo do
    pristine_system_gems "bundler-9.9.9"

    build_repo4 do
      build_gem "myrack", "1.0"

      build_bundler "9.9.9"
      build_bundler "999.0.0" do |s|
        s.required_ruby_version = "> #{Gem.ruby_version}"
      end
    end

    checksums = checksums_section do |c|
      c.checksum(gem_repo4, "myrack", "1.0")
    end

    install_gemfile <<-G
      source "https://gem.repo4"
      gem "myrack"
    G

    bundle :update, bundler: true, verbose: true

    expect(out).to include("Using bundler 9.9.9")

    expect(lockfile).to eq <<~L
      GEM
        remote: https://gem.repo4/
        specs:
          myrack (1.0)

      PLATFORMS
        #{lockfile_platforms}

      DEPENDENCIES
        myrack
      #{checksums}
      BUNDLED WITH
        9.9.9
    L

    expect(the_bundle).to include_gems "bundler 9.9.9"
    expect(the_bundle).to include_gems "myrack 1.0"
  end

  it "errors if the explicit target version does not exist" do
    pristine_system_gems "bundler-9.9.9"

    build_repo4 do
      build_gem "myrack", "1.0"
    end

    install_gemfile <<-G
      source "https://gem.repo4"
      gem "myrack"
    G

    bundle :update, bundler: "999.999.999", raise_on_error: false

    expect(last_command).to be_failure
    expect(err).to eq("The `bundle update --bundler` target version (999.999.999) does not exist")
  end

  it "errors if the explicit target version does not exist, even if auto switching is disabled" do
    pristine_system_gems "bundler-9.9.9"

    build_repo4 do
      build_gem "myrack", "1.0"
    end

    install_gemfile <<-G
      source "https://gem.repo4"
      gem "myrack"
    G

    bundle :update, bundler: "999.999.999", raise_on_error: false, env: { "BUNDLER_VERSION" => "9.9.9" }

    expect(last_command).to be_failure
    expect(err).to eq("The `bundle update --bundler` target version (999.999.999) does not exist")
  end

  it "allows updating to development versions if already installed locally" do
    system_gems "bundler-9.9.9"

    build_repo4 do
      build_gem "myrack", "1.0"
    end

    install_gemfile <<-G
      source "https://gem.repo4"
      gem "myrack"
    G

    system_gems "bundler-9.0.0.dev"
    bundle :update, bundler: "9.0.0.dev", verbose: "true"

    checksums = checksums_section_when_enabled do |c|
      c.checksum(gem_repo4, "myrack", "1.0")
    end

    expect(lockfile).to eq <<~L
        GEM
          remote: https://gem.repo4/
          specs:
            myrack (1.0)

        PLATFORMS
          #{lockfile_platforms}

        DEPENDENCIES
          myrack
        #{checksums}
        BUNDLED WITH
          9.0.0.dev
      L

    expect(out).to include("Using bundler 9.0.0.dev")
  end

  it "does not touch the network if not necessary" do
    system_gems "bundler-9.9.9"

    build_repo4 do
      build_gem "myrack", "1.0"
    end

    install_gemfile <<-G
      source "https://gem.repo4"
      gem "myrack"
    G
    system_gems "bundler-9.0.0"
    bundle :update, bundler: "9.0.0", verbose: true

    expect(out).not_to include("Fetching gem metadata from https://rubygems.org/")

    # Only updates properly on modern RubyGems.
    checksums = checksums_section_when_enabled do |c|
      c.checksum(gem_repo4, "myrack", "1.0")
    end

    expect(lockfile).to eq <<~L
        GEM
          remote: https://gem.repo4/
          specs:
            myrack (1.0)

        PLATFORMS
          #{lockfile_platforms}

        DEPENDENCIES
          myrack
        #{checksums}
        BUNDLED WITH
          9.0.0
      L

    expect(out).to include("Using bundler 9.0.0")
  end

  it "prints an error when trying to update bundler in frozen mode" do
    system_gems "bundler-9.0.0"

    gemfile <<~G
      source "https://gem.repo2"
    G

    lockfile <<-L
      GEM
        remote: https://gem.repo2/
        specs:

      PLATFORMS
        ruby

      DEPENDENCIES

      BUNDLED WITH
         9.0.0
    L

    system_gems "bundler-9.9.9"

    bundle "update --bundler=9.9.9", env: { "BUNDLE_FROZEN" => "true" }, raise_on_error: false
    expect(err).to include("An update to the version of Bundler itself was requested, but the lockfile can't be updated because frozen mode is set")
  end
end

# these specs are slow and focus on integration and therefore are not exhaustive. unit specs elsewhere handle that.
RSpec.describe "bundle update conservative" do
  context "patch and minor options" do
    before do
      build_repo4 do
        build_gem "foo", %w[1.4.3 1.4.4] do |s|
          s.add_dependency "bar", "~> 2.0"
        end
        build_gem "foo", %w[1.4.5 1.5.0] do |s|
          s.add_dependency "bar", "~> 2.1"
        end
        build_gem "foo", %w[1.5.1] do |s|
          s.add_dependency "bar", "~> 3.0"
        end
        build_gem "foo", %w[2.0.0.pre] do |s|
          s.add_dependency "bar"
        end
        build_gem "bar", %w[2.0.3 2.0.4 2.0.5 2.1.0 2.1.1 2.1.2.pre 3.0.0 3.1.0.pre 4.0.0.pre]
        build_gem "qux", %w[1.0.0 1.0.1 1.1.0 2.0.0]
      end

      # establish a lockfile set to 1.4.3
      install_gemfile <<-G
        source "https://gem.repo4"
        gem 'foo', '1.4.3'
        gem 'bar', '2.0.3'
        gem 'qux', '1.0.0'
      G

      # remove 1.4.3 requirement and bar altogether
      # to setup update specs below
      gemfile <<-G
        source "https://gem.repo4"
        gem 'foo'
        gem 'qux'
      G
    end

    context "with patch set as default update level in config" do
      it "should do a patch level update" do
        bundle "config set --local prefer_patch true"
        bundle "update foo"

        expect(the_bundle).to include_gems "foo 1.4.5", "bar 2.1.1", "qux 1.0.0"
      end
    end

    context "patch preferred" do
      it "single gem updates dependent gem to minor" do
        bundle "update --patch foo"

        expect(the_bundle).to include_gems "foo 1.4.5", "bar 2.1.1", "qux 1.0.0"
      end

      it "update all" do
        bundle "update --patch", all: true

        expect(the_bundle).to include_gems "foo 1.4.5", "bar 2.1.1", "qux 1.0.1"
      end
    end

    context "minor preferred" do
      it "single gem updates dependent gem to major" do
        bundle "update --minor foo"

        expect(the_bundle).to include_gems "foo 1.5.1", "bar 3.0.0", "qux 1.0.0"
      end
    end

    context "strict" do
      it "patch preferred" do
        bundle "update --patch foo bar --strict"

        expect(the_bundle).to include_gems "foo 1.4.4", "bar 2.0.5", "qux 1.0.0"
      end

      it "minor preferred" do
        bundle "update --minor --strict", all: true

        expect(the_bundle).to include_gems "foo 1.5.0", "bar 2.1.1", "qux 1.1.0"
      end
    end

    context "pre" do
      it "defaults to major" do
        bundle "update --pre foo bar"

        expect(the_bundle).to include_gems "foo 2.0.0.pre", "bar 4.0.0.pre", "qux 1.0.0"
      end

      it "patch preferred" do
        bundle "update --patch --pre foo bar"

        expect(the_bundle).to include_gems "foo 1.4.5", "bar 2.1.2.pre", "qux 1.0.0"
      end

      it "minor preferred" do
        bundle "update --minor --pre foo bar"

        expect(the_bundle).to include_gems "foo 1.5.1", "bar 3.1.0.pre", "qux 1.0.0"
      end

      it "major preferred" do
        bundle "update --major --pre foo bar"

        expect(the_bundle).to include_gems "foo 2.0.0.pre", "bar 4.0.0.pre", "qux 1.0.0"
      end
    end
  end

  context "eager unlocking" do
    before do
      build_repo4 do
        build_gem "isolated_owner", %w[1.0.1 1.0.2] do |s|
          s.add_dependency "isolated_dep", "~> 2.0"
        end
        build_gem "isolated_dep", %w[2.0.1 2.0.2]

        build_gem "shared_owner_a", %w[3.0.1 3.0.2] do |s|
          s.add_dependency "shared_dep", "~> 5.0"
        end
        build_gem "shared_owner_b", %w[4.0.1 4.0.2] do |s|
          s.add_dependency "shared_dep", "~> 5.0"
        end
        build_gem "shared_dep", %w[5.0.1 5.0.2]
      end

      gemfile <<-G
        source "https://gem.repo4"
        gem 'isolated_owner'

        gem 'shared_owner_a'
        gem 'shared_owner_b'
      G

      lockfile <<~L
        GEM
          remote: https://gem.repo4/
          specs:
            isolated_dep (2.0.1)
            isolated_owner (1.0.1)
              isolated_dep (~> 2.0)
            shared_dep (5.0.1)
            shared_owner_a (3.0.1)
              shared_dep (~> 5.0)
            shared_owner_b (4.0.1)
              shared_dep (~> 5.0)

        PLATFORMS
          #{local_platform}

        DEPENDENCIES
          isolated_owner
          shared_owner_a
          shared_owner_b

        CHECKSUMS

        BUNDLED WITH
          #{Bundler::VERSION}
      L
    end

    it "should eagerly unlock isolated dependency" do
      bundle "update isolated_owner"

      expect(the_bundle).to include_gems "isolated_owner 1.0.2", "isolated_dep 2.0.2", "shared_dep 5.0.1", "shared_owner_a 3.0.1", "shared_owner_b 4.0.1"
    end

    it "should eagerly unlock shared dependency" do
      bundle "update shared_owner_a"

      expect(the_bundle).to include_gems "isolated_owner 1.0.1", "isolated_dep 2.0.1", "shared_dep 5.0.2", "shared_owner_a 3.0.2", "shared_owner_b 4.0.1"
    end

    it "should not eagerly unlock with --conservative" do
      bundle "update --conservative shared_owner_a isolated_owner"

      expect(the_bundle).to include_gems "isolated_owner 1.0.2", "isolated_dep 2.0.1", "shared_dep 5.0.1", "shared_owner_a 3.0.2", "shared_owner_b 4.0.1"
    end

    it "should only update direct dependencies when fully updating with --conservative" do
      bundle "update --conservative"

      expect(the_bundle).to include_gems "isolated_owner 1.0.2", "isolated_dep 2.0.1", "shared_dep 5.0.1", "shared_owner_a 3.0.2", "shared_owner_b 4.0.2"
    end

    it "should only change direct dependencies when updating the lockfile with --conservative" do
      bundle "lock --update --conservative"

      checksums = checksums_section_when_enabled do |c|
        c.checksum gem_repo4, "isolated_dep", "2.0.1"
        c.checksum gem_repo4, "isolated_owner", "1.0.2"
        c.checksum gem_repo4, "shared_dep", "5.0.1"
        c.checksum gem_repo4, "shared_owner_a", "3.0.2"
        c.checksum gem_repo4, "shared_owner_b", "4.0.2"
      end

      expect(lockfile).to eq <<~L
        GEM
          remote: https://gem.repo4/
          specs:
            isolated_dep (2.0.1)
            isolated_owner (1.0.2)
              isolated_dep (~> 2.0)
            shared_dep (5.0.1)
            shared_owner_a (3.0.2)
              shared_dep (~> 5.0)
            shared_owner_b (4.0.2)
              shared_dep (~> 5.0)

        PLATFORMS
          #{local_platform}

        DEPENDENCIES
          isolated_owner
          shared_owner_a
          shared_owner_b
        #{checksums}
        BUNDLED WITH
          #{Bundler::VERSION}
      L
    end

    it "should match bundle install conservative update behavior when not eagerly unlocking" do
      gemfile <<-G
        source "https://gem.repo4"
        gem 'isolated_owner', '1.0.2'

        gem 'shared_owner_a', '3.0.2'
        gem 'shared_owner_b'
      G

      bundle "install"

      expect(the_bundle).to include_gems "isolated_owner 1.0.2", "isolated_dep 2.0.1", "shared_dep 5.0.1", "shared_owner_a 3.0.2", "shared_owner_b 4.0.1"
    end
  end

  context "when Gemfile dependencies have changed" do
    before do
      build_repo4 do
        build_gem "nokogiri", "1.16.4" do |s|
          s.platform = "arm64-darwin"
        end

        build_gem "nokogiri", "1.16.4" do |s|
          s.platform = "x86_64-linux"
        end

        build_gem "prism", "0.25.0"
      end

      gemfile <<~G
        source "https://gem.repo4"
        gem "nokogiri", ">=1.16.4"
        gem "prism", ">=0.25.0"
      G

      lockfile <<~L
        GEM
          remote: https://gem.repo4/
          specs:
            nokogiri (1.16.4-arm64-darwin)
            nokogiri (1.16.4-x86_64-linux)

        PLATFORMS
          arm64-darwin
          x86_64-linux

        DEPENDENCIES
          nokogiri (>= 1.16.4)

        BUNDLED WITH
          #{Bundler::VERSION}
      L
    end

    it "still works" do
      simulate_platform "arm64-darwin-23" do
        bundle "update"
      end
    end
  end

  context "error handling" do
    before do
      gemfile "source 'https://gem.repo1'"
    end

    it "raises if too many flags are provided" do
      bundle "update --patch --minor", all: true, raise_on_error: false

      expect(err).to eq "Provide only one of the following options: minor, patch"
    end
  end
end