Summary
In this interview filmed at RubyFringe 2008, Tom Preston-Werner talks about how both Powerset and GitHub use Ruby and Erlang, as well as tools like Fuzed, god, and more.

Bio
Tom Preston-Werner works for Powerset Inc., and is one of the founders of GitHub. He's created various Ruby tools such as the monitoring tool god, and many more.

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As a refugee of the cubicle jungle where the project status overlords patrolled the aisles, one of the most exciting aspects running a Ruby consultancy is using all the neat tools keep a virtual development team at cruising speed. This talk provides a quick overview for many of the (often free) tools available to distributed Ruby teams and how you can integrate them to improve communication and efficiency.

Source control
While Subversion has been the standard for many years, there is a groundswell of support for Git. Originally created by Linus Torvalds for managing the Linux kernel, Git has become popular due to its improved branch management and merging support as well as its distributed architecture which enables each developer to have local versioning (for working offline or on larger efforts in parallel to the rest of the team). The launch of Github (think MySpace for developers, Git has exploded in the Ruby community offering free hosting for Open Source projects and even a Gem Server for hosting uby Gems). Lighthouse from the guys at AlternateIdea is another popular Rails-based issue tracker and now the official tracker for Rails core.

Issue Tracking
While there are many issue trackers out there, an upstart Open Source Rails-based project named Redmine offers powerfully extensible issue tracking and source control repository integration. Rubyists can also extend the application with plugins.

Time keeping
SlimTimer and Freshbooks offer powerful tools for team members to log time and clients to see real-time project burn rates.

Tying it all together, real-time communication and workstreaming

For constant, asynchronous communication it’s hard to beat Campfire from 37 signals. Free for up to 4 simultaneous chatters, Campfire provides a quick-and-easy way to communicate with team members and clients without the formality or noise of email. The best part about Campfire is the Tinder gem from the boys at Collective Idea. Tinder is an unofficial api for Campfire that allows you to announce source control commits, builds, and other work events directly into the chat room. GitHub offers Tinder/Campfire support out of the box. Just enter your Campfire room configuration and each SCM commit will be announced in your room. Tinder can be called from Capistrano to do the same thing for each deployment event. GitHub also supports Twitter and Lighthouse integration.

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The first keynote was given by Evan Phoenix and it was about memes in the Ruby community. Apparently, the Ruby community loves a good meme.

Dependency injection was a rash in 2004 caused by Java developers. DI wasn't needed, sez Evan, because of the very nature of Ruby (as you can define stuff as late as you like).

Another meme: What's this called:
class << self; self; end;
metaclass, singleton-class, or eigenclass?

Then he discussed the Singleton Pattern which he claimed was almost always a bad idea (more blaming of the Java folks for bring it up) and always bad for testing

Aspect Oriented Programming was a big topic for awhile. (He said that alias_method_chain is all the AOP you really need)

Evan discussed _why the lucky stiff as a meme. There's so many rumors about _why. Who is he and what he does he do when he's not dropping off excellent Ruby code in the middle of the night?

"Chunky Bacon" is a meme in its own right.

Here's a somewhat exhaustive list of other memes he talked about:

• Zed Shaw
• git
• Ruby is too slow
• Macintoshes
• TextMate
• Rails can't scale
• Pixaxe
• Ruby CPAN
• rubygems vs rpa
• ARGV parsers
• DSLs
• BDD
• RSpec Backlash
• Metaprogramming is cool

Evan's take on all this was that the Ruby community loves to have fun. It's a very light on its feet community. This can scare a lot of enterprisey people, but he finds it awesome.

Author: Evan Phoenix

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Kablame! is a rails plugin uses svn blame to determine how many lines of code were updated or added by each user in a project. KABLAME! currently compatible with SVN and Git.

• Someone on your team isn't pulling their weight? KABLAME!
• Like lists of largely meaningless numbers? KABLAME!
• Need to look good at a job review? KABLAME!
• Believe in productivity through social stigma? KABLAME!
• Need an excuse to install Git? KABLAME!
• Just want to be a real show-off jerk who wants recognition for all the tests you write and you think nobody respects you at the office and this will show them!?! KABLAAAAME!

Author: Coby Randquist

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The git source code control system was developed by Linus Torvalds for managing the Linux kernel. But it’s also valuable for managing all kinds of code: libraries, web applications, personal files.

Git was built for the modern developer’s workflow. Easy branching, full capability even when offline, and fast operation make other source code management systems feel underpowered compared with git!

This 60 minutes screencast will teach you how to install and use Git. You’ll learn how to create a repository, use branches, and work with remote repositories.

Integration with Subversion is also mentioned briefly.

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This episode goes over some of the common or interesting options to 'git diff', showing how to see what has changed between your last commit and your staged files, unstaged files, all changed files or another commit. We also demonstrate how to create and apply patchfiles and how to view changed file stats using diff.

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This episode shows how to add other git projects as submodules to your own, how to update them in your project and how to keep up to date with them in another developers project.

It also, as a side note, shows how to develop a simple ruby web application on Rack.

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This episode of GitCasts demonstrates how to setup mSysGit on Windows and goes through some basic workflow using the Windows Git version, in an attempt to partially dispel rumors that Git is unsupported or difficult to get going on Windows. I assume previous knowledge of Git here - this just shows you how to install and do the things you have already learned in the other screencasts.

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If you want Rails to behave a certain way, try changing it and submitting a patch. This episode will show how to do exactly this using Git.

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I've been getting a lot of feedback on the talk that I gave at RailsConf 2008 and a number of people have requested that I do a voiceover of the slides, so here you go. It's not quite as lively as in person, as I gave the talk at 6:30 in the morning in my living room to my cats, but you get the idea. Overall, it should serve as a pretty good Git primer for those of you that are new to Git. Hope you enjoy it. Warning - it's much longer than the normal GitCasts episodes at nearly an hour.

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This screencast demonstrates how to create empty branches in Git - that is, branches that are not derivatives of your main branches, but entirely new projects. In the screencast, I create an empty branch to store the website code in for my project, so I don't have to store it as a subdirectory of my main project.

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This screencast demonstrates a distributed workflow. It takes two personas, creating a project in GitHub and pushing to it in the first persona, then cloning that project in the second. The second sets up a public, read-only HTTP repository on his own server. The first then fetches from that, merges changes and pushes back to GitHub. It also demonstrates an instance in which the Author and Committer fields can differ for a commit.

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This screencast follows roughly the same course as the previous one on branching and merging, only I replace merging with rebasing. This screencast also demonstrates the interactive rebase command git rebase -i. I also demonstrate some slightly more complex branching, by using both interactive and normal rebasing techniques simultaneously on separate branches, then choosing one and deleting the other.

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In this screencast, we take you through a workflow where we branch, stash and merge several times. It demonstrates the branch and show-branch commands, how to switch branches, how to stash changes, how to list and apply stashes, how to resolve conflicts, how to create and delete topic branches, and what fast-forward merges are.

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In this episode, I show how to browse and inspect raw Git objects. The major tools covered are the git cat-file and git ls-tree commands to inspect the object contents, and then I cover some of the included graphical browsers, gitk and gitweb.

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This episode is on git-log, which demonstrates most of the major features and options to the git-log command. It includes showing the stat, short-stat and name-stat options, the pretty options, the since and until limiters, the path limiter and author field searching.

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This episode demonstrates how to use the git interactive add command. It covers all of the major features of interactive adding, including status, update, revert, add untracked, patch and diff.

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This episode demonstrates how to setup your .gitignore file, how to use and interpret git status output, how to add and remove files from your index, how to commit and what git does in the object database during these operations.

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Rails 2.1 Release Candidate 1 was just released! In this episode I will show you how to install it into your Rails project.

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This episode shows you how to setup your Git configuration, how to initialize a new repository and how to clone an existing repository over both the Git transport and the HTTP transport.

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Git has been getting a lot of buzz lately, and for good reason. It's an excellent SCM which in many ways is more simple and powerful than subversion. See how to set up a Rails project with Git in this episode.

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Google Tech Talks
October, 12 2007

ABSTRACT

When you have hundreds of people simultaneously patching 25000 files of the Linux Kernel in sometimes conflicting ways, you might need some scheme or plan to sort all that out before you can build your next kernel and reboot. The Linux team uses "git" for their source code repository management, a homegrown solution that is optimized for highly distributed development, working with huge sets of files, merging independent work at multiple levels, and seeing who broke what. (Git has also since been notably adopted by the Cairo, x.org, and Wine teams, and is being transitioned to by the Mozilla codebase.)

In my talk, I describe what "git"; is and isn't, and why you should use it instead of CVS, Subversion, SVK, Arch, Darcs, Mercurial, Monotone, Bazaar, and just about every other repository manager. I'll also walk though the basic concepts so that the manpages might start making sense. If I have time, I'll even do a live walkthrough, where you can watch how fast I make typos.

Speaker: Randal Schwartz

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Linus Torvalds visits Google to share his thoughts on git, the source control management system he created two years ago.

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