fix(rubygems)

patches don't age well.

closes #4440
closes #4450

projects/rubygems.org/fit-n-finish.2.patch

@@ -26,16 +26,3 @@ index 8e0182f..aa53e4c 100644
    ##
    # Returns binary extensions dir for specified RubyGems base dir or nil
    # if such directory cannot be determined.
-diff --git a/lib/rubygems/path_support.rb b/lib/rubygems/path_support.rb
-index d601e65..0c78dba 100644
---- a/lib/rubygems/path_support.rb
-+++ b/lib/rubygems/path_support.rb
-@@ -23,7 +23,7 @@ class Gem::PathSupport
-   # hashtable, or defaults to ENV, the system environment.
-   #
-   def initialize(env)
--    @home = env["GEM_HOME"] || Gem.default_dir
-+    @home = env["GEM_HOME"] || Gem.default_system_dir
-
-     if File::ALT_SEPARATOR
-       @home = @home.gsub(File::ALT_SEPARATOR, File::SEPARATOR)

projects/rubygems.org/fit-n-finish.3.patch

@@ -1,13 +1,16 @@
-diff --git a/lib/rubygems/defaults.rb b/lib/rubygems/defaults.rb
-index b186375..de168c4 100644
---- a/lib/rubygems/defaults.rb
-+++ b/lib/rubygems/defaults.rb
-@@ -137,7 +129,7 @@ def self.config_file
-   # The path to standard location of the user's state file.
+diff --git a/lib/rubygems/installer.rb b/lib/rubygems/installer.rb
+index 8fef455..3ef4e30 100644
+--- a/lib/rubygems/installer.rb
++++ b/lib/rubygems/installer.rb
+@@ -188,9 +188,9 @@ def initialize(package, options={})
+     @package.prog_mode = options[:prog_mode]
+     @package.data_mode = options[:data_mode]
 
-   def self.state_file
--    @state_file ||= File.join(Gem.state_home, "gem", "last_update_check").tap(&Gem::UNTAINT)
-+    @state_file ||= File.join(Gem.state_home, "last_update_check").tap(&Gem::UNTAINT)
-   end
-
-   ##
+-    if options[:user_install]
++    if options[:user_install] or options[:user_install].nil? and not File.writable? Gem.paths.home
+       @gem_home = Gem.user_dir
+-      @bin_dir = Gem.bindir gem_home unless options[:bin_dir]
++      @bin_dir = File.join(Gem.user_home, ".local/bin") unless options[:bin_dir]
+       @plugins_dir = Gem.plugindir(gem_home)
+       check_that_user_bin_dir_is_in_path
+     end

projects/rubygems.org/fit-n-finish.4.patch

@@ -0,0 +1,16 @@
+diff -ru a/lib/rubygems/installer.rb b/lib/rubygems/installer.rb
+--- a/lib/rubygems/installer.rb	2023-12-15 18:44:02
++++ b/lib/rubygems/installer.rb	2023-12-15 19:04:30
+@@ -691,6 +691,12 @@
+       @plugins_dir = File.join(@build_root, @plugins_dir.gsub(/^[a-zA-Z]:/, ""))
+       alert_warning "You build with buildroot.\n  Build root: #{@build_root}\n  Bin dir: #{@bin_dir}\n  Gem home: #{@gem_home}\n  Plugins dir: #{@plugins_dir}"
+     end
++
++    unless File.writable? @gem_home
++      @bin_dir = File.join(Gem.user_home, ".local/bin")
++      @gem_home = Gem.user_dir
++      @plugins_dir = File.join(Gem.user_dir, "plugins")
++    end
+   end
+ 
+   def check_that_user_bin_dir_is_in_path # :nodoc:

projects/rubygems.org/fit-n-finish.patch

@@ -148,19 +148,3 @@ index b186375..de168c4 100644
    end
 
    ##
-diff --git a/lib/rubygems/installer.rb b/lib/rubygems/installer.rb
-index 8fef455..3ef4e30 100644
---- a/lib/rubygems/installer.rb
-+++ b/lib/rubygems/installer.rb
-@@ -188,9 +188,9 @@ def initialize(package, options={})
-     @package.prog_mode = options[:prog_mode]
-     @package.data_mode = options[:data_mode]
-
--    if options[:user_install]
-+    if options[:user_install] or options[:user_install].nil? and not File.writable? Gem.paths.home
-       @gem_home = Gem.user_dir
--      @bin_dir = Gem.bindir gem_home unless options[:bin_dir]
-+      @bin_dir = File.join(Gem.user_home, ".local/bin") unless options[:bin_dir]
-       @plugins_dir = Gem.plugindir(gem_home)
-       check_that_user_bin_dir_is_in_path
-     end

projects/rubygems.org/package.yml

@@ -29,11 +29,21 @@ build:
     - run: |
         patch -p1 < "$SRCROOT"/props/fit-n-finish.patch
         patch -p1 < "$SRCROOT"/props/fit-n-finish.2.patch
+        sed -i'' -e 's/Gem.default_dir/Gem.default_system_dir/' lib/rubygems/path_support.rb
       working-directory: ${{prefix}}
-    - run: |
-        patch -p1 < "$SRCROOT"/props/fit-n-finish.3.patch
-      working-directory: ${{prefix}}
+
+    - run: sed -i'' -e 's/Gem.state_home, "gem",/Gem.state_home,/' defaults.rb
+      working-directory: ${{prefix}}/lib/rubygems
       if: '>=3.4'
+
+    - run: patch -p1 < "$SRCROOT"/props/fit-n-finish.3.patch
+      working-directory: ${{prefix}}
+      if: '<3.5'
+
+    - run: patch -p1 < "$SRCROOT"/props/fit-n-finish.4.patch
+      working-directory: ${{prefix}}
+      if: '>=3.5'
+
     - run: |
         sed -i.bak -e 's/Dir\.mkdir dir, \*\[options\[:dir_mode\].*/FileUtils.mkdir_p dir, *[options[:dir_mode] \&\& 0o755].compact/' installer.rb
         rm installer.rb.bak