1 files changed, 118 insertions, 0 deletions
diff --git a/lib/bundler/cli/config.rb b/lib/bundler/cli/config.rb
new file mode 100644
index 0000000000..e8f13620ec
--- /dev/null
+++ b/lib/bundler/cli/config.rb
@@ -0,0 +1,118 @@
+# frozen_string_literal: true
+module Bundler
+  class CLI::Config
+    attr_reader :name, :options, :scope, :thor
+    attr_accessor :args
+
+    def initialize(options, args, thor)
+      @options = options
+      @args = args
+      @thor = thor
+      @name = peek = args.shift
+      @scope = "global"
+      return unless peek && peek.start_with?("--")
+      @name = args.shift
+      @scope = peek[2..-1]
+    end
+
+    def run
+      unless name
+        confirm_all
+        return
+      end
+
+      unless valid_scope?(scope)
+        Bundler.ui.error "Invalid scope --#{scope} given. Please use --local or --global."
+        exit 1
+      end
+
+      if scope == "delete"
+        Bundler.settings.set_local(name, nil)
+        Bundler.settings.set_global(name, nil)
+        return
+      end
+
+      if args.empty?
+        if options[:parseable]
+          if value = Bundler.settings[name]
+            Bundler.ui.info("#{name}=#{value}")
+          end
+          return
+        end
+
+        confirm(name)
+        return
+      end
+
+      Bundler.ui.info(message) if message
+      Bundler.settings.send("set_#{scope}", name, new_value)
+    end
+
+  private
+
+    def confirm_all
+      if @options[:parseable]
+        thor.with_padding do
+          Bundler.settings.all.each do |setting|
+            val = Bundler.settings[setting]
+            Bundler.ui.info "#{setting}=#{val}"
+          end
+        end
+      else
+        Bundler.ui.confirm "Settings are listed in order of priority. The top value will be used.\n"
+        Bundler.settings.all.each do |setting|
+          Bundler.ui.confirm "#{setting}"
+          show_pretty_values_for(setting)
+          Bundler.ui.confirm ""
+        end
+      end
+    end
+
+    def confirm(name)
+      Bundler.ui.confirm "Settings for `#{name}` in order of priority. The top value will be used"
+      show_pretty_values_for(name)
+    end
+
+    def new_value
+      pathname = Pathname.new(args.join(" "))
+      if name.start_with?("local.") && pathname.directory?
+        pathname.expand_path.to_s
+      else
+        args.join(" ")
+      end
+    end
+
+    def message
+      locations = Bundler.settings.locations(name)
+      if @options[:parseable]
+        "#{name}=#{new_value}" if new_value
+      elsif scope == "global"
+        if locations[:local]
+          "Your application has set #{name} to #{locations[:local].inspect}. " \
+            "This will override the global value you are currently setting"
+        elsif locations[:env]
+          "You have a bundler environment variable for #{name} set to " \
+            "#{locations[:env].inspect}. This will take precedence over the global value you are setting"
+        elsif locations[:global] && locations[:global] != args.join(" ")
+          "You are replacing the current global value of #{name}, which is currently " \
+            "#{locations[:global].inspect}"
+        end
+      elsif scope == "local" && locations[:local] != args.join(" ")
+        "You are replacing the current local value of #{name}, which is currently " \
+          "#{locations[:local].inspect}"
+      end
+    end
+
+    def show_pretty_values_for(setting)
+      thor.with_padding do
+        Bundler.settings.pretty_values_for(setting).each do |line|
+          Bundler.ui.info line
+        end
+      end
+    end
+
+    def valid_scope?(scope)
+      %w(delete local global).include?(scope)
+    end
+  end
+end