Add pieces for CI

Author: mpchadwick

.travis.yml

@@ -0,0 +1,9 @@
+language: ruby
+rvm:
+  - 2.2
+cache: bundler
+sudo: false
+before_script: bundle update
+script: ./script/cibuild
+notifications:
+  email: false

Gemfile

@@ -2,3 +2,7 @@ source 'https://rubygems.org'
 
 # Specify your gem's dependencies in jekyll-pre-commit.gemspec
 gemspec
+
+if ENV["JEKYLL_VERSION"]
+  gem "jekyll", "~> #{ENV["JEKYLL_VERSION"]}"
+end

Rakefile

@@ -1 +1,6 @@
 require "bundler/gem_tasks"
+require 'rspec/core/rake_task'
+
+RSpec::Core::RakeTask.new(:spec)
+
+task :default => :spec

jekyll-pre-commit.gemspec

@@ -18,6 +18,8 @@ Gem::Specification.new do |spec|
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
+  spec.add_development_dependency "jekyll", ">= 3.3.0"
   spec.add_development_dependency "bundler", "~> 1.10"
   spec.add_development_dependency "rake", "~> 10.0"
+  spec.add_development_dependency "rspec", "~> 3.0"
 end

script/cibuild

@@ -0,0 +1,6 @@
+#! /bin/bash
+
+set -e
+
+bundle exec rspec
+bundle exec rake build