Conditionally load GFM parser in CI builds

Author: ashmaroli

.travis.yml

@@ -7,7 +7,7 @@ env:
   global:
     - NOKOGIRI_USE_SYSTEM_LIBRARIES=true
   matrix:
-    - JEKYLL_VERSION="~> 3.8"
+    - JEKYLL_VERSION="~> 3.9"
 matrix:
   include:
     - rvm: *latest_ruby

Gemfile

@@ -4,6 +4,7 @@ source "https://rubygems.org"
 gemspec
 
 gem "jekyll", ENV["JEKYLL_VERSION"] if ENV["JEKYLL_VERSION"]
+gem "kramdown-parser-gfm" if ENV["JEKYLL_VERSION"] == "~> 3.9"
 
 install_if -> { Gem.win_platform? } do
   gem "tzinfo", "~> 1.2"

appveyor.yml

@@ -4,10 +4,10 @@ build: off
 
 environment:
   NOKOGIRI_USE_SYSTEM_LIBRARIES: true
-  JEKYLL_VERSION: "~> 3.8"
+  JEKYLL_VERSION: "~> 3.9"
   matrix:
     - RUBY_FOLDER_VER: "26"
-      JEKYLL_VERSION : "~> 3.7.4"
+      JEKYLL_VERSION : "~> 3.8.6"
     - RUBY_FOLDER_VER: "26"
       JEKYLL_VERSION : ">= 4.0.0.pre.alpha1"
     - RUBY_FOLDER_VER: "26"