Circle CI Build Artifact URIs for a given project/branch

ci_artifacts.rb

require 'net/http'
require 'json'

if __FILE__ == $0
  wanted_project = ARGV[0] || "my_project"
  wanted_branch = ARGV[1] || "master"

  puts "Latest CI Artifacts for #{wanted_project}:"
  api_root = "https://circleci.com/api/v1/"

  username = "my_username"
  token = "---MyCircleCiToken---"

  uri = URI("#{api_root}projects?circle-token=#{token}")
  projects = Net::HTTP.get(uri)
  creds = JSON.parse(projects).select do |project|
    /#{wanted_project}$/.match(project.fetch("reponame"))
  end.take(1).inject({}) do |creds, p|
    creds[:reponame] = p.fetch("reponame")
    creds[:username] = p.fetch("username")
    creds
  end

  puts "Got project credentials: #{creds}"

  recent_builds_uri = URI("#{api_root}project/#{creds.fetch(:username)}/#{creds.fetch(:reponame)}/tree/#{wanted_branch}?circle-token=#{token}")
  recent_builds_response = Net::HTTP.get(recent_builds_uri)
  recent_build_numbers = JSON.parse(recent_builds_response).map do |build|
    build.fetch("build_num")
  end

  recent_build_numbers.each do |build_number|
    artifacts_uri = URI("#{api_root}project/#{creds.fetch(:username)}/#{creds.fetch(:reponame)}/#{build_number}/artifacts?circle-token=#{token}")
    artifacts_response = Net::HTTP.get(artifacts_uri)
    artifacts = JSON.parse(artifacts_response).map do |artifact|
      artifact.fetch("url")
    end

    puts "Artifacts for build number #{build_number}:"
    puts artifacts
    puts "----- # -----"
  end
end