use caching for HTTP requests

Author: jtarchie

Dockerfile

@@ -8,7 +8,7 @@ RUN apk add --update openssh-client
 RUN apk add --update perl
 RUN apk add --update ruby
 RUN apk add --update ruby-json
-RUN gem install octokit httpclient --no-rdoc --no-ri
+RUN gem install octokit httpclient faraday-http-cache --no-rdoc --no-ri
 
 ADD assets/ /opt/resource/
 RUN chmod +x /opt/resource/*

Dockerfile.test

@@ -8,7 +8,7 @@ RUN apk add --update openssh-client
 RUN apk add --update perl
 RUN apk add --update ruby
 RUN apk add --update ruby-json
-RUN gem install octokit httpclient --no-rdoc --no-ri
+RUN gem install octokit httpclient faraday-http-cache --no-rdoc --no-ri
 
 ADD assets/ /opt/resource/
 RUN chmod +x /opt/resource/*

Gemfile

@@ -2,6 +2,7 @@ source 'https://rubygems.org'
 
 gem 'octokit'
 gem 'httpclient'
+gem 'faraday-http-cache'
 
 group :development do
   gem 'pry'

Gemfile.lock

@@ -23,6 +23,8 @@ GEM
     eventmachine_httpserver (0.2.1)
     faraday (0.9.2)
       multipart-post (>= 1.2, < 3)
+    faraday-http-cache (2.0.0)
+      faraday (~> 0.8)
     hashdiff (0.3.0)
     http_parser.rb (0.6.0)
     httpclient (2.8.2.4)
@@ -85,6 +87,7 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
+  faraday-http-cache
   httpclient
   octokit
   pry
@@ -95,4 +98,4 @@ DEPENDENCIES
   webmock
 
 BUNDLED WITH
-   1.13.6
+   1.14.6

assets/lib/commands/base.rb

@@ -1,10 +1,16 @@
 require 'faraday'
-# httpclient and excon are the only Faraday adpater which support
-# the no_proxy environment variable atm
-# NOTE: this has to be set before require octokit
-::Faraday.default_adapter = :httpclient
-
 require 'octokit'
+require 'faraday-http-cache'
+
+stack = Faraday::RackBuilder.new do |builder|
+  builder.use Faraday::HttpCache, serializer: Marshal, shared_cache: false
+  builder.use Octokit::Response::RaiseError
+  # httpclient and excon are the only Faraday adpater which support
+  # the no_proxy environment variable atm
+  builder.adapter :httpclient
+end
+Octokit.middleware = stack
+
 require_relative '../input'
 
 module Commands