A few of my dotfiles.

.gitconfig

[alias]
        co = checkout
        ci = commit
        s  = status -sb
        revert-to = read-tree -u -m HEAD
        sd = svn dcommit
        sr = svn rebase
        br = branch
        df = diff
        ff = rebase --stat @{upstream}
        lg = log -p
        lol = log --graph --decorate --pretty=oneline --abbrev-commit
        lola = log --graph --decorate --pretty=oneline --abbrev-commit --all
        ls = ls-files
        pur = pull --rebase
        lg = log --graph --pretty=format:'%Cred%h%Creset -%C(yellow)%d%Creset %s %Cgreen(%cr) %C(bold blue)<%an>%Creset' --abbrev-commit --date=relative
        heads = !"git log @{upstream}.. --format='%Cred%h%Creset;%C(yellow)%an%Creset;%H;%Cblue%f%Creset' | git name-rev --stdin --always --name-only | column -t -s';'"
        wip = !"git add -A; git ls-files --deleted -z | xargs -0 git rm; git commit -m \"wip\""
        unwip = !"git log -n 1 | grep -q -c wip && git reset HEAD~1"
        rb = !"git wip;git rebase -i @{upstream};git unwip"
        pr = !"git fetch;git wip;git ff;git unwip;git heads"
        pub = "!f() { git push -u ${1:-origin} `git symbolic-ref HEAD`; }; f"
[user]
        name = Tal Atlas
        email = [email protected]
[core]
        editor = vim
        excludesfile = ~/.gitignore
        autocrlf = input
[color]
        ui = true
[color "branch"]
        current = yellow reverse
        local = yellow
        remote = green
[color "diff"]
        meta = yellow bold
        frag = magenta bold
        old = red bold
        new = green bold
[color "status"]
        added = yellow
        changed = green
        untracked = cyan

.irbrc

#!/usr/bin/ruby
require 'irb/completion'
require 'irb/ext/save-history'

IRB.conf[:SAVE_HISTORY] = 1000
IRB.conf[:HISTORY_FILE] = "#{ENV['HOME']}/.irb_history"

IRB.conf[:PROMPT_MODE] = :SIMPLE

%w[rubygems looksee wirb].each do |g|
  begin
    require g
  rescue LoadError
    warn "Tried to load gem #{g} unsuccessfully from #{__FILE__}"
  end
end

Wirb.start if defined?(Wirb)

class Object
  # list methods which aren't in superclass
  def local_methods(obj = self)
    (obj.methods - obj.class.superclass.instance_methods).sort
  end
  
  # print documentation
  #
  #   ri 'Array#pop'
  #   Array.ri
  #   Array.ri :pop
  #   arr.ri :pop
  def ri(method = nil)
    unless method && method =~ /^[A-Z]/ # if class isn't specified
      klass = self.kind_of?(Class) ? name : self.class.name
      method = [klass, method].compact.join('#')
    end
    system 'ri', method.to_s
  end
end

def copy(str)
  IO.popen('pbcopy', 'w') { |f| f << str.to_s }
end

def copy_history
  history = Readline::HISTORY.entries
  index = history.rindex("exit") || -1
  content = history[(index+1)..-2].join("\n")
  puts content
  copy content
end

def paste
  `pbpaste`
end

loc = File.expand_path('.irbrc')
load loc if File.exist?(loc) && loc != __FILE__