Improve project helpers (based off 4-0-dev)

Rakefile

@@ -12,15 +12,26 @@ BaseRspecPath = Pathname.new(Dir.pwd)
 ReposPath = BaseRspecPath.join('repos')
 MAX_PROJECT_NAME_LENGTH = Projects.map(&:length).max
 
+def filter_projects_by_string(string, projects=Projects)
+  selection = string.split(" ")
+  projects.select { |project| selection.include?(project.downcase) }
+end
+
+def select_projects(options={})
+  projects =
+    if only_string = ENV['ONLY']
+      filter_projects_by_string(only_string)
+    else
+      options.fetch(:only, Projects).flatten - Array(options[:except])
+    end
+
+  projects -= filter_projects_by_string(ENV['EXCEPT']) if ENV['EXCEPT']
+
+  projects
+end
+
 def run_command(command, opts={})
-  projects = if opts[:except]
-               Projects - [opts[:except]].flatten
-             elsif opts[:only]
-               [opts[:only]].flatten
-             else
-               Projects
-             end
-  projects.each do |dir|
+  select_projects(opts).each do |dir|
     next if [opts[:except]].flatten.compact.include?(dir)
     path = ReposPath.join(dir)
     FileUtils.cd(path) do
@@ -43,10 +54,7 @@ def announce(project)
 end
 
 def each_project(options = {})
-  projects = options.fetch(:only, Projects)
-  projects -= Array(options[:except])
-
-  projects.each do |project|
+  select_projects(options).each do |project|
     Dir.chdir("repos/#{project}") do
       if options[:silent]
         yield project
@@ -408,10 +416,23 @@ namespace :common_plaintext_files do
     file.basename.to_s =~ /ISSUE_TEMPLATE/
   end
 
+  COMMON_PLAINTEXT_EXCLUSIONS =
+    {
+      'rspec' =>
+        %w[BUILD_DETAIL.md.erb CONTRIBUTING.md.erb DEVELOPMENT.md.erb ISSUE_TEMPLATE.md.erb REPORT_TEMPLATE.md],
+      'rspec-rails' => %w[ISSUE_TEMPLATE.md.erb REPORT_TEMPLATE.md]
+    }
+
   def common_plaintext_files_with_comments(project_name)
     plaintext_root = BaseRspecPath.join('common_plaintext_files')
+
+    excluded_files =
+      COMMON_PLAINTEXT_EXCLUSIONS.fetch(project_name, []).map do |filename|
+        File.expand_path(filename, plaintext_root).to_s
+      end
+
     file_names = Pathname.glob(plaintext_root.join('{.[!.],*}*', '{*,.*}')).select do |f|
-      f.file?
+      f.file? && !excluded_files.include?(f.to_s)
     end
 
     file_names.map do |file|

ci/.github/workflows/ci.yml

@@ -19,7 +19,7 @@ jobs:
     strategy:
       matrix:
         ruby:
-          - 3.0.0-rc1
+          - 3.0
           - 2.7
           - 2.6
           - 2.5