gist-logs cmd

Closes Homebrew/homebrew#21557.

Signed-off-by: Samuel John <github@SamuelJohn.de>

Library/Contributions/cmd/brew-gist-logs.rb

@@ -0,0 +1,107 @@
+require 'formula'
+require 'net/http'
+require 'net/https'
+
+def gist_logs f
+  if ARGV.include? '--new-issue'
+    unless HOMEBREW_GITHUB_API_TOKEN
+      puts 'You need to create an API token: https://github.com/settings/applications'
+      puts 'and then set HOMEBREW_GITHUB_API_TOKEN to use --new-issue option.'
+      exit 1
+    end
+    repo = repo_name(f)
+  end
+
+  files = load_logs(f.name)
+
+  append_config(files) if ARGV.include? '--config'
+  append_doctor(files) if ARGV.include? '--doctor'
+
+  url = create_gist(files)
+
+  if ARGV.include? '--new-issue'
+    new_issue(repo, "#{f.name} failed to build on #{MACOS_FULL_VERSION}", url)
+  end
+end
+
+def load_logs name
+  logs = {}
+  dir = (HOMEBREW_LOGS/name)
+  dir.children.sort.each do |file|
+    logs[file.basename.to_s] = {:content => file.read}
+  end if dir.exist?
+  raise 'No logs.' if logs.empty?
+  logs
+end
+
+def append_config files
+  files['config.out'] = {:content => `brew --config 2>&1`}
+end
+
+def append_doctor files
+  files['doctor.out'] = {:content => `brew doctor 2>&1`}
+end
+
+def create_gist files
+  puts (url = post('gists', {'public' => true, 'files' => files})['html_url'])
+  url
+end
+
+def new_issue repo, title, body
+  puts post("repos/#{repo}/issues", {'title' => title, 'body' => body})['html_url']
+end
+
+def http
+  @http ||= begin
+    uri = URI.parse('https://api.github.com')
+    p = ENV['http_proxy'] ? URI.parse(ENV['http_proxy']) : nil
+    if p.class == URI::HTTP or p.class == URI::HTTPS
+      @http = Net::HTTP.new(uri.host, uri.port, p.host, p.port, p.user, p.password)
+    else
+      @http = Net::HTTP.new(uri.host, uri.port)
+    end
+    @http.use_ssl = true
+    @http
+  end
+end
+
+def post path, data
+  request = Net::HTTP::Post.new("/#{path}")
+  request['User-Agent'] = HOMEBREW_USER_AGENT
+  request['Content-Type'] = 'application/json'
+  if HOMEBREW_GITHUB_API_TOKEN
+    request['Authorization'] = "token #{HOMEBREW_GITHUB_API_TOKEN}"
+  end
+  request.body = Utils::JSON.dump(data)
+  response = http.request(request)
+  raise HTTP_Error, response if response.code != '201'
+  Utils::JSON.load(response.body)
+end
+
+class HTTP_Error < RuntimeError
+  def initialize response
+    super "Error: HTTP #{response.code} #{response.message}"
+  end
+end
+
+def repo_name f
+  dir = (f.path.symlink? ? f.path.realpath.dirname : HOMEBREW_REPOSITORY)
+  url = dir.cd { `git config --get remote.origin.url` }
+  unless url =~ %r{github.com(?:/|:)([\w\d]+)/([\-\w\d]+)}
+    raise 'Unable to determine formula repository.'
+  end
+  "#{$1}/#{$2}"
+end
+
+def usage
+  puts "usage: brew gist-logs [options] <formula>"
+  puts
+  puts "options: --config, --doctor, --new-issue"
+end
+
+if ARGV.formulae.length != 1
+  usage
+  exit 1
+end
+
+gist_logs(ARGV.formulae[0])