Bump jekyll from 3.7.0 to 3.7.4

Gemfile

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+source "https://rubygems.org"
+
+ruby RUBY_VERSION
+
+# This will help ensure the proper Jekyll version is running.
+gem "jekyll", "3.7.4"
+
+# Windows does not include zoneinfo files, so bundle the tzinfo-data gem
+gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
+
+gemspec

Gemfile.lock

@@ -0,0 +1,98 @@
+PATH
+  remote: .
+  specs:
+    minimal-mistakes-jekyll (4.18.1)
+      jekyll (>= 3.7, < 5.0)
+      jekyll-feed (~> 0.1)
+      jekyll-gist (~> 1.5)
+      jekyll-include-cache (~> 0.1)
+      jekyll-paginate (~> 1.1)
+      jekyll-sitemap (~> 1.3)
+
+GEM
+  remote: https://rubygems.org/
+  specs:
+    addressable (2.7.0)
+      public_suffix (>= 2.0.2, < 5.0)
+    colorator (1.1.0)
+    concurrent-ruby (1.1.6)
+    em-websocket (0.5.1)
+      eventmachine (>= 0.12.9)
+      http_parser.rb (~> 0.6.0)
+    eventmachine (1.2.7)
+    faraday (1.0.0)
+      multipart-post (>= 1.2, < 3)
+    ffi (1.12.2)
+    forwardable-extended (2.6.0)
+    http_parser.rb (0.6.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
+    jekyll (3.7.4)
+      addressable (~> 2.4)
+      colorator (~> 1.0)
+      em-websocket (~> 0.5)
+      i18n (~> 0.7)
+      jekyll-sass-converter (~> 1.0)
+      jekyll-watch (~> 2.0)
+      kramdown (~> 1.14)
+      liquid (~> 4.0)
+      mercenary (~> 0.3.3)
+      pathutil (~> 0.9)
+      rouge (>= 1.7, < 4)
+      safe_yaml (~> 1.0)
+    jekyll-feed (0.13.0)
+      jekyll (>= 3.7, < 5.0)
+    jekyll-gist (1.5.0)
+      octokit (~> 4.2)
+    jekyll-include-cache (0.2.0)
+      jekyll (>= 3.7, < 5.0)
+    jekyll-paginate (1.1.0)
+    jekyll-sass-converter (1.5.2)
+      sass (~> 3.4)
+    jekyll-sitemap (1.4.0)
+      jekyll (>= 3.7, < 5.0)
+    jekyll-watch (2.2.1)
+      listen (~> 3.0)
+    kramdown (1.17.0)
+    liquid (4.0.3)
+    listen (3.2.1)
+      rb-fsevent (~> 0.10, >= 0.10.3)
+      rb-inotify (~> 0.9, >= 0.9.10)
+    mercenary (0.3.6)
+    multipart-post (2.1.1)
+    octokit (4.16.0)
+      faraday (>= 0.9)
+      sawyer (~> 0.8.0, >= 0.5.3)
+    pathutil (0.16.2)
+      forwardable-extended (~> 2.6)
+    public_suffix (4.0.3)
+    rake (10.5.0)
+    rb-fsevent (0.10.3)
+    rb-inotify (0.10.1)
+      ffi (~> 1.0)
+    rouge (3.16.0)
+    safe_yaml (1.0.5)
+    sass (3.7.4)
+      sass-listen (~> 4.0.0)
+    sass-listen (4.0.0)
+      rb-fsevent (~> 0.9, >= 0.9.4)
+      rb-inotify (~> 0.9, >= 0.9.7)
+    sawyer (0.8.2)
+      addressable (>= 2.3.5)
+      faraday (> 0.8, < 2.0)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  bundler
+  jekyll (= 3.7.4)
+  minimal-mistakes-jekyll!
+  rake (~> 10.0)
+  tzinfo-data
+
+RUBY VERSION
+   ruby 2.6.3p62
+
+BUNDLED WITH
+   1.17.3

LICENSE

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+The MIT License (MIT)
+
+Copyright (c) 2013-2020 Michael Rose and contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

Rakefile

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+require "bundler/gem_tasks"
+require "jekyll"
+require "listen"
+
+def listen_ignore_paths(base, options)
+  [
+    /_config\.ya?ml/,
+    /_site/,
+    /\.jekyll-metadata/
+  ]
+end
+
+def listen_handler(base, options)
+  site = Jekyll::Site.new(options)
+  Jekyll::Command.process_site(site)
+  proc do |modified, added, removed|
+    t = Time.now
+    c = modified + added + removed
+    n = c.length
+    relative_paths = c.map{ |p| Pathname.new(p).relative_path_from(base).to_s }
+    print Jekyll.logger.message("Regenerating:", "#{relative_paths.join(", ")} changed... ")
+    begin
+      Jekyll::Command.process_site(site)
+      puts "regenerated in #{Time.now - t} seconds."
+    rescue => e
+      puts "error:"
+      Jekyll.logger.warn "Error:", e.message
+      Jekyll.logger.warn "Error:", "Run jekyll build --trace for more information."
+    end
+  end
+end
+
+task :preview do
+  base = Pathname.new('.').expand_path
+  options = {
+    "source"        => base.join('test').to_s,
+    "destination"   => base.join('test/_site').to_s,
+    "force_polling" => false,
+    "serving"       => true,
+    "theme"         => "minimal-mistakes-jekyll"
+  }
+
+  options = Jekyll.configuration(options)
+
+  ENV["LISTEN_GEM_DEBUGGING"] = "1"
+  listener = Listen.to(
+    base.join("_data"),
+    base.join("_includes"),
+    base.join("_layouts"),
+    base.join("_sass"),
+    base.join("assets"),
+    options["source"],
+    :ignore => listen_ignore_paths(base, options),
+    :force_polling => options['force_polling'],
+    &(listen_handler(base, options))
+  )
+
+  begin
+    listener.start
+    Jekyll.logger.info "Auto-regeneration:", "enabled for '#{options["source"]}'"
+
+    unless options['serving']
+      trap("INT") do
+        listener.stop
+        puts "     Halting auto-regeneration."
+        exit 0
+      end
+
+      loop { sleep 1000 }
+    end
+  rescue ThreadError
+    # You pressed Ctrl-C, oh my!
+  end
+
+  Jekyll::Commands::Serve.process(options)
+end