Try updating to ruby3.

Kill jekyll-tidy, since I seem to run into
apsislabs/jekyll-tidy#20, and it may be unmaintained.

.bundle/config

@@ -0,0 +1,2 @@
+---
+BUNDLE_BIN: "bin"

.github/workflows/publish.yml

@@ -12,8 +12,6 @@ jobs:
       - uses: actions/checkout@v2
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
-        with:
-          ruby-version: '2.6'
 
       - name: Install Bundler
         run:

.ruby-version

@@ -0,0 +1 @@
+ruby-3.1.3

Gemfile

@@ -17,7 +17,6 @@ gem "minima", "~> 2.5"
 group :jekyll_plugins do
   gem "exifr"
   gem "jekyll_image_processing", git: "https://github.com/benubois/jekyll_image_processing"
-  gem "jekyll-tidy"
   gem "jekyll-exif-data", "~> 0.0"
 end
 
@@ -29,4 +28,6 @@ install_if -> { RUBY_PLATFORM =~ %r!mingw|mswin|java! } do
 end
 
 # Performance-booster for watching directories on Windows
-gem "wdm", "~> 0.1.1", :install_if => Gem.win_platform?
+gem "wdm", "~> 0.1.1", :install_if => Gem.win_platform?
+
+gem "webrick", "~> 1.7"

Gemfile.lock

@@ -1,6 +1,6 @@
 GIT
   remote: https://github.com/benubois/jekyll_image_processing
-  revision: e4a262620db88b5c5672d3398b120abc5fb74a61
+  revision: af9886cec78a8a66c14d323e0e293360740bd382
   specs:
     jekyll_image_processing (0.1.0)
       image_processing (>= 1.10.3)
@@ -9,26 +9,24 @@ GIT
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.8.0)
-      public_suffix (>= 2.0.2, < 5.0)
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
     colorator (1.1.0)
-    concurrent-ruby (1.1.6)
-    em-websocket (0.5.1)
+    concurrent-ruby (1.1.10)
+    em-websocket (0.5.3)
       eventmachine (>= 0.12.9)
-      http_parser.rb (~> 0.6.0)
+      http_parser.rb (~> 0)
     eventmachine (1.2.7)
-    exifr (1.3.6)
+    exifr (1.3.10)
     ffi (1.15.5)
     forwardable-extended (2.6.0)
-    htmlbeautifier (1.3.1)
-    htmlcompressor (0.4.0)
-    http_parser.rb (0.6.0)
-    i18n (1.8.2)
+    http_parser.rb (0.8.0)
+    i18n (1.12.0)
       concurrent-ruby (~> 1.0)
     image_processing (1.12.2)
       mini_magick (>= 4.9.5, < 5)
       ruby-vips (>= 2.0.17, < 3)
-    jekyll (4.0.0)
+    jekyll (4.0.1)
       addressable (~> 2.4)
       colorator (~> 1.0)
       em-websocket (~> 0.5)
@@ -45,54 +43,51 @@ GEM
       terminal-table (~> 1.8)
     jekyll-exif-data (0.0.3)
       exifr (~> 1.3)
-    jekyll-feed (0.13.0)
+    jekyll-feed (0.17.0)
       jekyll (>= 3.7, < 5.0)
-    jekyll-sass-converter (2.1.0)
+    jekyll-sass-converter (2.2.0)
       sassc (> 2.0.1, < 3.0)
-    jekyll-seo-tag (2.6.1)
-      jekyll (>= 3.3, < 5.0)
-    jekyll-tidy (0.2.2)
-      htmlbeautifier
-      htmlcompressor
-      jekyll
+    jekyll-seo-tag (2.8.0)
+      jekyll (>= 3.8, < 5.0)
     jekyll-watch (2.2.1)
       listen (~> 3.0)
-    kramdown (2.3.1)
+    kramdown (2.4.0)
       rexml
     kramdown-parser-gfm (1.1.0)
       kramdown (~> 2.0)
     liquid (4.0.3)
-    listen (3.2.1)
+    listen (3.7.1)
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.3.6)
-    mini_magick (4.11.0)
+    mini_magick (4.12.0)
     minima (2.5.1)
       jekyll (>= 3.5, < 5.0)
       jekyll-feed (~> 0.9)
       jekyll-seo-tag (~> 2.1)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
-    public_suffix (4.0.6)
-    rb-fsevent (0.10.3)
+    public_suffix (5.0.1)
+    rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
     rexml (3.2.5)
-    rouge (3.16.0)
+    rouge (3.30.0)
     ruby-vips (2.1.4)
       ffi (~> 1.12)
     safe_yaml (1.0.5)
-    sassc (2.2.1)
+    sassc (2.4.0)
       ffi (~> 1.9)
     terminal-table (1.8.0)
       unicode-display_width (~> 1.1, >= 1.1.1)
     thread_safe (0.3.6)
     tzinfo (1.2.10)
       thread_safe (~> 0.1)
-    tzinfo-data (1.2019.3)
+    tzinfo-data (1.2022.7)
       tzinfo (>= 1.0.0)
-    unicode-display_width (1.6.1)
+    unicode-display_width (1.8.0)
     wdm (0.1.1)
+    webrick (1.7.0)
 
 PLATFORMS
   ruby
@@ -101,12 +96,12 @@ DEPENDENCIES
   exifr
   jekyll (~> 4.0.0)
   jekyll-exif-data (~> 0.0)
-  jekyll-tidy
   jekyll_image_processing!
   minima (~> 2.5)
   tzinfo (~> 1.2)
   tzinfo-data
   wdm (~> 0.1.1)
+  webrick (~> 1.7)
 
 BUNDLED WITH
    2.1.4

_config.yml

@@ -30,7 +30,7 @@ baseurl: "" # the subpath of your site, e.g. /blog
 url: "https://photos.grayvines.com/" # the base hostname & protocol for your site, e.g. http://example.com
 github_username: Julian
 instagram_username: julianberman
-mastodon_instance: mastodon.social
+mastodon_instance: "mastodon.social"
 mastodon_username: JulianWasTaken
 
 # Build settings

bin/bundle

@@ -0,0 +1,114 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+#
+# This file was generated by Bundler.
+#
+# The application 'bundle' is installed as part of a gem, and
+# this file is here to facilitate running it.
+#
+
+require "rubygems"
+
+m = Module.new do
+  module_function
+
+  def invoked_as_script?
+    File.expand_path($0) == File.expand_path(__FILE__)
+  end
+
+  def env_var_version
+    ENV["BUNDLER_VERSION"]
+  end
+
+  def cli_arg_version
+    return unless invoked_as_script? # don't want to hijack other binstubs
+    return unless "update".start_with?(ARGV.first || " ") # must be running `bundle update`
+    bundler_version = nil
+    update_index = nil
+    ARGV.each_with_index do |a, i|
+      if update_index && update_index.succ == i && a =~ Gem::Version::ANCHORED_VERSION_PATTERN
+        bundler_version = a
+      end
+      next unless a =~ /\A--bundler(?:[= ](#{Gem::Version::VERSION_PATTERN}))?\z/
+      bundler_version = $1
+      update_index = i
+    end
+    bundler_version
+  end
+
+  def gemfile
+    gemfile = ENV["BUNDLE_GEMFILE"]
+    return gemfile if gemfile && !gemfile.empty?
+
+    File.expand_path("../../Gemfile", __FILE__)
+  end
+
+  def lockfile
+    lockfile =
+      case File.basename(gemfile)
+      when "gems.rb" then gemfile.sub(/\.rb$/, gemfile)
+      else "#{gemfile}.lock"
+      end
+    File.expand_path(lockfile)
+  end
+
+  def lockfile_version
+    return unless File.file?(lockfile)
+    lockfile_contents = File.read(lockfile)
+    return unless lockfile_contents =~ /\n\nBUNDLED WITH\n\s{2,}(#{Gem::Version::VERSION_PATTERN})\n/
+    Regexp.last_match(1)
+  end
+
+  def bundler_version
+    @bundler_version ||=
+      env_var_version || cli_arg_version ||
+        lockfile_version
+  end
+
+  def bundler_requirement
+    return "#{Gem::Requirement.default}.a" unless bundler_version
+
+    bundler_gem_version = Gem::Version.new(bundler_version)
+
+    requirement = bundler_gem_version.approximate_recommendation
+
+    return requirement unless Gem::Version.new(Gem::VERSION) < Gem::Version.new("2.7.0")
+
+    requirement += ".a" if bundler_gem_version.prerelease?
+
+    requirement
+  end
+
+  def load_bundler!
+    ENV["BUNDLE_GEMFILE"] ||= gemfile
+
+    activate_bundler
+  end
+
+  def activate_bundler
+    gem_error = activation_error_handling do
+      gem "bundler", bundler_requirement
+    end
+    return if gem_error.nil?
+    require_error = activation_error_handling do
+      require "bundler/version"
+    end
+    return if require_error.nil? && Gem::Requirement.new(bundler_requirement).satisfied_by?(Gem::Version.new(Bundler::VERSION))
+    warn "Activating bundler (#{bundler_requirement}) failed:\n#{gem_error.message}\n\nTo install the version of bundler this project requires, run `gem install bundler -v '#{bundler_requirement}'`"
+    exit 42
+  end
+
+  def activation_error_handling
+    yield
+    nil
+  rescue StandardError, LoadError => e
+    e
+  end
+end
+
+m.load_bundler!
+
+if m.invoked_as_script?
+  load Gem.bin_path("bundler", "bundle")
+end

bin/exifr

@@ -0,0 +1,29 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+#
+# This file was generated by Bundler.
+#
+# The application 'exifr' is installed as part of a gem, and
+# this file is here to facilitate running it.
+#
+
+require "pathname"
+ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../../Gemfile",
+  Pathname.new(__FILE__).realpath)
+
+bundle_binstub = File.expand_path("../bundle", __FILE__)
+
+if File.file?(bundle_binstub)
+  if File.read(bundle_binstub, 300) =~ /This file was generated by Bundler/
+    load(bundle_binstub)
+  else
+    abort("Your `bin/bundle` was not generated by Bundler, so this binstub cannot run.
+Replace `bin/bundle` by running `bundle binstubs bundler --force`, then run this command again.")
+  end
+end
+
+require "rubygems"
+require "bundler/setup"
+
+load Gem.bin_path("exifr", "exifr")

bin/htmlbeautifier

@@ -0,0 +1,29 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+#
+# This file was generated by Bundler.
+#
+# The application 'htmlbeautifier' is installed as part of a gem, and
+# this file is here to facilitate running it.
+#
+
+require "pathname"
+ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../../Gemfile",
+  Pathname.new(__FILE__).realpath)
+
+bundle_binstub = File.expand_path("../bundle", __FILE__)
+
+if File.file?(bundle_binstub)
+  if File.read(bundle_binstub, 300) =~ /This file was generated by Bundler/
+    load(bundle_binstub)
+  else
+    abort("Your `bin/bundle` was not generated by Bundler, so this binstub cannot run.
+Replace `bin/bundle` by running `bundle binstubs bundler --force`, then run this command again.")
+  end
+end
+
+require "rubygems"
+require "bundler/setup"
+
+load Gem.bin_path("htmlbeautifier", "htmlbeautifier")

bin/jekyll

@@ -0,0 +1,29 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+#
+# This file was generated by Bundler.
+#
+# The application 'jekyll' is installed as part of a gem, and
+# this file is here to facilitate running it.
+#
+
+require "pathname"
+ENV["BUNDLE_GEMFILE"] ||= File.expand_path("../../Gemfile",
+  Pathname.new(__FILE__).realpath)
+
+bundle_binstub = File.expand_path("../bundle", __FILE__)
+
+if File.file?(bundle_binstub)
+  if File.read(bundle_binstub, 300) =~ /This file was generated by Bundler/
+    load(bundle_binstub)
+  else
+    abort("Your `bin/bundle` was not generated by Bundler, so this binstub cannot run.
+Replace `bin/bundle` by running `bundle binstubs bundler --force`, then run this command again.")
+  end
+end
+
+require "rubygems"
+require "bundler/setup"
+
+load Gem.bin_path("jekyll", "jekyll")