[rubygems/rubygems] Remove default_install_uses_path setting

The previous default can already be configured with `bundle config
path.system true`.

ruby/rubygems@cb483b79db

Author: deivid-rodriguez

lib/bundler/feature_flag.rb

@@ -29,7 +29,6 @@ def self.settings_method(name, key, &default)
 
     settings_flag(:allow_offline_install) { 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? }
     settings_flag(:global_gem_cache) { bundler_4_mode? }
     settings_flag(:lockfile_checksums) { bundler_4_mode? }

lib/bundler/man/bundle-config.1

@@ -77,9 +77,6 @@ Whether Bundler should run \fBbundle clean\fR automatically after \fBbundle inst
 \fBconsole\fR (\fBBUNDLE_CONSOLE\fR)
 The console that \fBbundle console\fR starts\. Defaults to \fBirb\fR\.
 .TP
-\fBdefault_install_uses_path\fR (\fBBUNDLE_DEFAULT_INSTALL_USES_PATH\fR)
-Whether a \fBbundle install\fR without an explicit \fB\-\-path\fR argument defaults to installing gems in \fB\.bundle\fR\.
-.TP
 \fBdeployment\fR (\fBBUNDLE_DEPLOYMENT\fR)
 Equivalent to setting \fBfrozen\fR to \fBtrue\fR and \fBpath\fR to \fBvendor/bundle\fR\.
 .TP
@@ -144,7 +141,7 @@ Whether Bundler should leave outdated gems unpruned when caching\.
 A space\-separated list of groups to install only gems of the specified groups\.
 .TP
 \fBpath\fR (\fBBUNDLE_PATH\fR)
-The location on disk where all gems in your bundle will be located regardless of \fB$GEM_HOME\fR or \fB$GEM_PATH\fR values\. Bundle gems not found in this location will be installed by \fBbundle install\fR\. Defaults to \fBGem\.dir\fR\.
+The location on disk where all gems in your bundle will be located regardless of \fB$GEM_HOME\fR or \fB$GEM_PATH\fR values\. Bundle gems not found in this location will be installed by \fBbundle install\fR\. Defaults to \fB\.bundle\fR relative to repository root in Bundler 4, and to the default system path (\fBGem\.dir\fR) before Bundler 4\.
 .TP
 \fBpath\.system\fR (\fBBUNDLE_PATH__SYSTEM\fR)
 Whether Bundler will install gems into the default system path (\fBGem\.dir\fR)\.

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

@@ -99,9 +99,6 @@ learn more about their operation in [bundle install(1)](bundle-install.1.html).
    explicitly configured.
 * `console` (`BUNDLE_CONSOLE`):
    The console that `bundle console` starts. Defaults to `irb`.
-* `default_install_uses_path` (`BUNDLE_DEFAULT_INSTALL_USES_PATH`):
-   Whether a `bundle install` without an explicit `--path` argument defaults
-   to installing gems in `.bundle`.
 * `deployment` (`BUNDLE_DEPLOYMENT`):
    Equivalent to setting `frozen` to `true` and `path` to `vendor/bundle`.
 * `disable_checksum_validation` (`BUNDLE_DISABLE_CHECKSUM_VALIDATION`):
@@ -166,7 +163,9 @@ learn more about their operation in [bundle install(1)](bundle-install.1.html).
 * `path` (`BUNDLE_PATH`):
    The location on disk where all gems in your bundle will be located regardless
    of `$GEM_HOME` or `$GEM_PATH` values. Bundle gems not found in this location
-   will be installed by `bundle install`. Defaults to `Gem.dir`.
+   will be installed by `bundle install`. Defaults to `.bundle` relative to
+   repository root in Bundler 4, and to the default system path (`Gem.dir`)
+   before Bundler 4.
 * `path.system` (`BUNDLE_PATH__SYSTEM`):
    Whether Bundler will install gems into the default system path (`Gem.dir`).
 * `path_relative_to_cwd` (`BUNDLE_PATH_RELATIVE_TO_CWD`):

lib/bundler/settings.rb

@@ -12,7 +12,6 @@ class Settings
       cache_all
       cache_all_platforms
       clean
-      default_install_uses_path
       deployment
       disable_checksum_validation
       disable_exec_load
@@ -275,7 +274,7 @@ def path
       def use_system_gems?
         return true if system_path
         return false if explicit_path
-        !Bundler.feature_flag.default_install_uses_path?
+        !Bundler.feature_flag.bundler_4_mode?
       end
 
       def base_path

spec/bundler/support/path.rb

@@ -136,7 +136,7 @@ def home(*path)
     end
 
     def default_bundle_path(*path)
-      if Bundler.feature_flag.default_install_uses_path?
+      if Bundler.feature_flag.bundler_4_mode?
         local_gem_path(*path)
       else
         system_gem_path(*path)