Configure Travis CI to download Rubygems data for listed gems

.gitignore

@@ -1,5 +1,7 @@
 .bundle
 .sass-cache
+_data/plugins
+_data/themes
 _site/
 *.swp
 pkg/

.travis.yml

@@ -11,3 +11,18 @@ script: script/cibuild
 branches:
   only:
     - master
+jobs:
+  include:
+    -
+      if: branch == master && type != pull_request && type != api
+      env: DEPLOY_BUILD=true
+
+deploy:
+  provider: pages
+  local-dir: _site
+  skip-cleanup: true
+  github-token: $GITHUB_TOKEN  # Set in the settings page of your repository, as a secure variable
+  keep-history: true
+  on:
+    repo: jekyll/directory
+    branch: master

_data/plugins.yml → _data/entries.yml

@@ -1,3 +1,4 @@
+plugins:
 - grunt-jekyll
 - indii-jekyll-flickr
 - jekyll_indextank
@@ -53,3 +54,37 @@
 - related_posts-jekyll_plugin
 - rust_playground_highlight
 - singlepage-jekyll
+
+themes:
+- alpha_jekyll_theme
+- dimension_jekyll_theme
+- editorial_jekyll_theme
+- eventually_jekyll_theme
+- forty_jekyll_theme
+- fractal_jekyll_theme
+- future_imperfect_jekyll_theme
+- highlights_jekyll_theme
+- hyperspace_jekyll_theme
+- identity_jekyll_theme
+- jekyll-swiss
+- jekyll-theme-architect
+- jekyll-theme-cayman
+- jekyll-theme-dinky
+- jekyll-theme-hacker
+- jekyll-theme-leap-day
+- jekyll-theme-merlot
+- jekyll-theme-midnight
+- jekyll-theme-minimal
+- jekyll-theme-modernist
+- jekyll-theme-slate
+- jekyll-theme-tactile
+- jekyll-theme-time-machine
+- lens_jekyll_theme
+- material-bliss-jekyll-theme
+- minima
+- multiverse_jekyll_theme
+- phantom_jekyll_theme
+- solid_state_jekyll_theme
+- spectral_jekyll_theme
+- stellar_jekyll_theme
+- strata_jekyll_theme

script/cibuild

@@ -2,3 +2,8 @@
 script/fmt
 script/test
 script/scan
+
+if [[ -v $DEPLOY_BUILD ]]; then
+  script/segregate
+  bundle exec jekyll build
+fi

script/segregate

@@ -0,0 +1,23 @@
+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+require "open-uri"
+require "safe_yaml"
+
+def data_dir(*entries)
+  File.expand_path(File.join("..", "_data", *entries), __dir__)
+end
+
+entries = SafeYAML.load_file(data_dir("entries.yml"))
+entries.each do |type, list|
+  FileUtils.mkdir_p(data_dir(type))
+  list.each do |item|
+    begin
+      data = open("https://rubygems.org/api/v1/gems/#{item}.yaml").read
+      File.open(data_dir("#{type}/#{item}.yml"), "wb") { |file| file.puts data }
+    rescue OpenURI::HTTPError
+      puts "'#{item}' does not seem to exist at rubygems.org"
+      next
+    end
+  end
+end