Jared Beck jaredbeck

TL;DR

Use ruby's [Method#source_location][1] to determine where a method is defined.

method(:s).source_location
# => ["..snip../gems/sexp_processor-4.2.1/lib/sexp.rb", 332]

by Jared Beck, 2013-02-28

If your gemfile starts with

source 'https://rubygems.org'

and you upgrade to bundler 1.3, you may get a warning like

	require 'pp'
	require 'set'

	# Which days are students available?
	STUDENTS = [
	# Mon. Tue. Wed. Thurs. Fri.
	[ true, true, false, false, false], # Student 1
	[ true, false, false, false, false], # Student 2
	[false, true, true, false, false], # etc ...
	[false, true, false, true, true],

	# https://github.com/airblade/paper_trail/issues/594

	# Use this template to report PaperTrail bugs.
	# It is based on the ActiveRecord template.
	# https://github.com/rails/rails/blob/master/guides/bug_report_templates/active_record_gem.rb
	begin
	require 'bundler/inline'
	rescue LoadError => e
	$stderr.puts 'Bundler version 1.10 or later is required. Please update your Bundler'
	raise e

	# https://github.com/airblade/paper_trail/issues/663

	# Use this template to report PaperTrail bugs.
	# It is based on the ActiveRecord template.
	# https://github.com/rails/rails/blob/master/guides/bug_report_templates/active_record_gem.rb
	begin
	require 'bundler/inline'
	rescue LoadError => e
	$stderr.puts 'Bundler version 1.10 or later is required. Please update your Bundler'
	raise e

	Loading development environment (Rails 4.2.3)
	irb(main):001:0> s = Subgroup.create!(name: "sub")
	(0.1ms) begin transaction
	SQL (0.3ms) INSERT INTO "subgroups" ("name", "created_at", "updated_at") VALUES (?, ?, ?) [["name", "sub"], ["created_at", "2015-07-27 20:23:35.477973"], ["updated_at", "2015-07-27 20:23:35.477973"]]
	SQL (0.2ms) INSERT INTO "versions" ("event", "created_at", "item_id", "item_type") VALUES (?, ?, ?, ?) [["event", "create"], ["created_at", "2015-07-27 20:23:35.477973"], ["item_id", 1], ["item_type", "Subgroup"]]
	SQL (0.3ms) UPDATE "versions" SET "transaction_id" = ? WHERE "versions"."id" = ? [["transaction_id", 1], ["id", 1]]
	(2.3ms) commit transaction
	=> #<Subgroup id: 1, name: "sub", created_at: "2015-07-27 20:23:35", updated_at: "2015-07-27 20:23:35">
	irb(main):002:0> f = Faq.create!(name: "faq", subgroups: [s])
	(0.1ms) begin transaction

	PID/THRD SYSCALL(args) = return
	18235/0x163c3b: execve("/Users/jared/bin/bash\0", 0x7FFF5310DBA8, 0x7FFF5310DBC8) = -1 Err#2
	18235/0x163c3b: execve("/usr/local/bin/bash\0", 0x7FFF5310DBA8, 0x7FFF5310DBC8) = -1 Err#2
	18235/0x163c3b: execve("/Users/jared/.rbenv/shims/bash\0", 0x7FFF5310DBA8, 0x7FFF5310DBC8) = -1 Err#2
	18235/0x163c3b: execve("/Users/jared/.rbenv/bin/bash\0", 0x7FFF5310DBA8, 0x7FFF5310DBC8) = -1 Err#2
	18235/0x163c3b: execve("/usr/local/heroku/bin/bash\0", 0x7FFF5310DBA8, 0x7FFF5310DBC8) = -1 Err#2
	18235/0x163c3b: execve("/usr/bin/bash\0", 0x7FFF5310DBA8, 0x7FFF5310DBC8) = -1 Err#2
	18235/0x163c3b: thread_selfid(0x0, 0x1DC0, 0x7FFF671FD550) = 1457211 0
	18235/0x163c3b: csops(0x0, 0x0, 0x7FFF5310D294) = 0 0
	18235/0x163c3b: issetugid(0x0, 0x0, 0x0) = 0 0

	Process: webkit_server [4641]
	Path: /Users/USER/*/webkit_server
	Identifier: webkit_server
	Version: ???
	Code Type: X86-64 (Native)
	Parent Process: ruby [4637]
	User ID: 501

	Date/Time: 2013-06-12 17:00:06.378 -0400
	OS Version: Mac OS X 10.8.3 (12D78)

	#!/usr/bin/env ruby
	#
	# `Puller` exports a heroku database, and overwrites the specified
	# local database. See "Importing and Exporting Heroku Postgres
	# Databases with PG Backups" (http://bit.ly/15Udpfl)
	# -Jared Beck 2013-06-07
	#
	class Puller

	def initialize args