Created API usage examples (markdown)

API-usage-examples.md

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+`drone-builds`:
+
+```ruby
+#!/usr/bin/env ruby
+
+# A simple script to get the list of builds with some quick info about them,
+# and the possibility to get the build logs for a build that can be filtered to only
+# show failing files or failing lines
+#
+# USAGE:
+#  drone-builds
+#  drone-builds ID
+#  drone-builds ID --files
+#  drone-builds ID --lines
+
+require 'open-uri'
+require 'json'
+
+# Store your DRONECI_TOKEN is your ~/.env
+ENV_CONTENT = File.read(ENV['HOME'] + '/.env')
+HOME_ENV = Hash[*ENV_CONTENT.lines.map { |l| l.strip.split("=") }.flatten]
+DRONE_API_TOKEN = HOME_ENV['DRONECI_TOKEN']
+
+OWNER      = "your_org_name"
+NAME       = "your_repo_name"
+DOMAIN     = "ci.server.name"
+BASE_URL   = DOMAIN + "/api"
+BUILDS_URL = BASE_URL + "/repos/#{OWNER}/#{NAME}/builds"
+LOGS_URL   = BASE_URL + "/repos/#{OWNER}/#{NAME}/logs/:build_id/1"
+
+def api(url)
+  url << "?access_token=#{DRONE_API_TOKEN}"
+  text = open(url).read
+  JSON.parse(text) rescue text
+end
+
+if ARGV.first
+  text = api(LOGS_URL.gsub(':build_id', ARGV.first))
+  if ARGV[1] == "--lines"
+    puts text.lines.grep(%r{rspec \./spec/}).map { |l| l.split('#').first }.join("\n")
+  elsif ARGV[1] == "--files"
+    puts text.lines.grep(%r{rspec \./spec/}).map { |l| l.split(':').first.split.last }.uniq.join("\n")
+  else
+    puts text
+  end
+else
+  puts "id | ref | status | message"
+  api(BUILDS_URL).reverse.last(10).each do |build|
+    puts [
+      build["id"],
+      build["ref"].gsub("refs/heads/", "").gsub("/head", ""),
+      build["status"],
+      build["message"].lines.first
+    ].join(" | ")
+  end
+end
+```