[rubygems/rubygems] Remove auto_clean_without_path setting

There already different ways of toggling off this behavior, like setting
`bundle config clean false`, or configuring Bundler to install to system
gems with `bundle config path.system true`.

ruby/rubygems@6daa09f60a

Author: deivid-rodriguez

lib/bundler/cli/common.rb

@@ -130,7 +130,7 @@ def self.patch_level_options(options)
     def self.clean_after_install?
       clean = Bundler.settings[:clean]
       return clean unless clean.nil?
-      clean ||= Bundler.feature_flag.auto_clean_without_path? && Bundler.settings[:path].nil?
+      clean ||= Bundler.feature_flag.bundler_4_mode? && Bundler.settings[:path].nil?
       clean &&= !Bundler.use_system_gems?
       clean
     end

lib/bundler/feature_flag.rb

@@ -28,7 +28,6 @@ def self.settings_method(name, key, &default)
     (1..10).each {|v| define_method("bundler_#{v}_mode?") { @major_version >= v } }
 
     settings_flag(:allow_offline_install) { bundler_4_mode? }
-    settings_flag(:auto_clean_without_path) { bundler_4_mode? }
     settings_flag(:cache_all) { bundler_4_mode? }
     settings_flag(:default_install_uses_path) { bundler_4_mode? }
     settings_flag(:forget_cli_options) { bundler_4_mode? }

lib/bundler/man/bundle-add.1

@@ -1,6 +1,6 @@
 .\" generated with Ronn-NG/v0.10.1
 .\" http://github.com/apjanke/ronn-ng/tree/0.10.1
-.TH "BUNDLE\-ADD" "1" "June 2025" ""
+.TH "BUNDLE\-ADD" "1" "July 2025" ""
 .SH "NAME"
 \fBbundle\-add\fR \- Add gem to the Gemfile and run bundle install
 .SH "SYNOPSIS"

lib/bundler/man/bundle-binstubs.1

@@ -1,6 +1,6 @@
 .\" generated with Ronn-NG/v0.10.1
 .\" http://github.com/apjanke/ronn-ng/tree/0.10.1
-.TH "BUNDLE\-BINSTUBS" "1" "June 2025" ""
+.TH "BUNDLE\-BINSTUBS" "1" "July 2025" ""
 .SH "NAME"
 \fBbundle\-binstubs\fR \- Install the binstubs of the listed gems
 .SH "SYNOPSIS"

lib/bundler/man/bundle-cache.1

@@ -1,6 +1,6 @@
 .\" generated with Ronn-NG/v0.10.1
 .\" http://github.com/apjanke/ronn-ng/tree/0.10.1
-.TH "BUNDLE\-CACHE" "1" "June 2025" ""
+.TH "BUNDLE\-CACHE" "1" "July 2025" ""
 .SH "NAME"
 \fBbundle\-cache\fR \- Package your needed \fB\.gem\fR files into your application
 .SH "SYNOPSIS"

lib/bundler/man/bundle-check.1

@@ -1,6 +1,6 @@
 .\" generated with Ronn-NG/v0.10.1
 .\" http://github.com/apjanke/ronn-ng/tree/0.10.1
-.TH "BUNDLE\-CHECK" "1" "June 2025" ""
+.TH "BUNDLE\-CHECK" "1" "July 2025" ""
 .SH "NAME"
 \fBbundle\-check\fR \- Verifies if dependencies are satisfied by installed gems
 .SH "SYNOPSIS"

lib/bundler/man/bundle-clean.1

@@ -1,6 +1,6 @@
 .\" generated with Ronn-NG/v0.10.1
 .\" http://github.com/apjanke/ronn-ng/tree/0.10.1
-.TH "BUNDLE\-CLEAN" "1" "June 2025" ""
+.TH "BUNDLE\-CLEAN" "1" "July 2025" ""
 .SH "NAME"
 \fBbundle\-clean\fR \- Cleans up unused gems in your bundler directory
 .SH "SYNOPSIS"

lib/bundler/man/bundle-config.1

@@ -1,6 +1,6 @@
 .\" generated with Ronn-NG/v0.10.1
 .\" http://github.com/apjanke/ronn-ng/tree/0.10.1
-.TH "BUNDLE\-CONFIG" "1" "June 2025" ""
+.TH "BUNDLE\-CONFIG" "1" "July 2025" ""
 .SH "NAME"
 \fBbundle\-config\fR \- Set bundler configuration options
 .SH "SYNOPSIS"
@@ -56,9 +56,6 @@ The following is a list of all configuration keys and their purpose\. You can le
 \fBallow_offline_install\fR (\fBBUNDLE_ALLOW_OFFLINE_INSTALL\fR)
 Allow Bundler to use cached data when installing without network access\.
 .TP
-\fBauto_clean_without_path\fR (\fBBUNDLE_AUTO_CLEAN_WITHOUT_PATH\fR)
-Automatically run \fBbundle clean\fR after installing when an explicit \fBpath\fR has not been set and Bundler is not installing into the system gems\.
-.TP
 \fBauto_install\fR (\fBBUNDLE_AUTO_INSTALL\fR)
 Automatically run \fBbundle install\fR when gems are missing\.
 .TP
@@ -75,7 +72,7 @@ Cache gems for all platforms\.
 The directory that bundler will place cached gems in when running \fBbundle package\fR, and that bundler will look in when installing gems\. Defaults to \fBvendor/cache\fR\.
 .TP
 \fBclean\fR (\fBBUNDLE_CLEAN\fR)
-Whether Bundler should run \fBbundle clean\fR automatically after \fBbundle install\fR\.
+Whether Bundler should run \fBbundle clean\fR automatically after \fBbundle install\fR\. Defaults to \fBtrue\fR in Bundler 4, as long as \fBpath\fR is not explicitly configured\.
 .TP
 \fBconsole\fR (\fBBUNDLE_CONSOLE\fR)
 The console that \fBbundle console\fR starts\. Defaults to \fBirb\fR\.

lib/bundler/man/bundle-config.1.ronn

@@ -79,9 +79,6 @@ learn more about their operation in [bundle install(1)](bundle-install.1.html).
 
 * `allow_offline_install` (`BUNDLE_ALLOW_OFFLINE_INSTALL`):
    Allow Bundler to use cached data when installing without network access.
-* `auto_clean_without_path` (`BUNDLE_AUTO_CLEAN_WITHOUT_PATH`):
-   Automatically run `bundle clean` after installing when an explicit `path`
-   has not been set and Bundler is not installing into the system gems.
 * `auto_install` (`BUNDLE_AUTO_INSTALL`):
    Automatically run `bundle install` when gems are missing.
 * `bin` (`BUNDLE_BIN`):
@@ -98,7 +95,8 @@ learn more about their operation in [bundle install(1)](bundle-install.1.html).
    Defaults to `vendor/cache`.
 * `clean` (`BUNDLE_CLEAN`):
    Whether Bundler should run `bundle clean` automatically after
-   `bundle install`.
+   `bundle install`. Defaults to `true` in Bundler 4, as long as `path` is not
+   explicitly configured.
 * `console` (`BUNDLE_CONSOLE`):
    The console that `bundle console` starts. Defaults to `irb`.
 * `default_install_uses_path` (`BUNDLE_DEFAULT_INSTALL_USES_PATH`):

lib/bundler/man/bundle-console.1

@@ -1,6 +1,6 @@
 .\" generated with Ronn-NG/v0.10.1
 .\" http://github.com/apjanke/ronn-ng/tree/0.10.1
-.TH "BUNDLE\-CONSOLE" "1" "June 2025" ""
+.TH "BUNDLE\-CONSOLE" "1" "July 2025" ""
 .SH "NAME"
 \fBbundle\-console\fR \- Open an IRB session with the bundle pre\-loaded
 .SH "SYNOPSIS"