my configuration files. for easy reference and replication.

.gitconfig

[user]
  name  = Sérgio Bernardino
  email = code@sergiobernardino.net
[color]
  branch = auto
  diff   = auto
  grep   = auto
  status = auto
  log    = auto
[color "status"]
  added     = green
  untracked = yellow
[alias]
  # [aa = add all] Adds all files
  aa  = add .
  # [co = checkout]
  co  = checkout
  # [ci = commit]
  ci  = commit
  # [st = status] short status
  st  = status -s
  # [df = diff]
  df  = diff
  # [who = shortlog] who committed and how much
  who = shortlog -nes
  # [l = log] short one line logs with ref-names
  l   = log --oneline --name-status --decorate=short
  # [l = log] short one line logs with ref-names, date and author - nice colored
  ll  = log --graph --pretty=format:'%C(yellow)%h%Creset -%C(red)%d%Creset %s %Cgreen(%cr) %C(bold blue)<%an>%Creset' --date=relative
  # fix commits that have typos on the message and/or missing files
  #  missing files need to be added before invoking 'fix'
  fix = commit --amend
  # show a ranked count of git verbs
  verbs = !git log --pretty=format:'%s' | cut -d ' ' -f 1 | sort | uniq -c | sort -n
  # the "Ramalho Syndrome"
  poop = stash pop
  # list all the created aliases
  alias = !git config --get-regexp alias | awk -F'.' '{ print $2 }'
  # assume a file is never changed
  assume = update-index --assume-unchanged
  # list file that are assumed to never be changed
  assumed  = "!git ls-files -v | grep ^h | cut -c 3-"
  # stop assuming a file is never changed
  unassume = update-index --no-assume-unchanged
  # take a snapshot of your current working tree without removing the changes from your tree
  snapshot = !git stash save "snapshot: $(date)" && git stash apply "stash@{0}"
[core]
  excludesfile = ~/.gitignore
[push]
  default = upstream

.screenrc

# generic options
shell zsh                   # default shell
term xterm-256color         # set $TERM type
startup_message off         # don't display the copyright page
defscrollback 10000         # change scrollback to 10000 lines
termcapinfo xterm ti@:te@   # fix scrollback in PuTTY
vbell_msg "beep!"           # visible bell

# add colors
attrcolor b ".I"
termcapinfo xterm-256color 'Co#256:AB=\E[48;5;%dm:AF=\E[38;5;%dm'
defbce "on"

# visual options
hardstatus alwayslastline "%{= kw}%?%{-b kK}  %-W%?%{+b kW}  %n %t%?%{-b kK}%+W%?%=%{-b kg}%l% @ %H%{-b kK}  |  %{-b kM}%D %d/%m/%Y %c  "

# bound keys
bindkey -k k1 prev
bindkey -k k2 next
bindkey -k k3 screen
bindkey -k k4 kill
bindkey -k k5 detach

escape ^ka

# default screens
screen -t top 0 top
screen -t zsh 1 zsh

# utf8
setenv LC_CTYPE en_US.UTF-8
defutf8 on

.tmux.conf

#
# tmux config file
#
# by Sérgio Bernardino
#

# reload tmux.conf with prefix-r

bind r source-file ~/.tmux.conf \; display 'Reloaded config file'

set -g default-terminal 'screen-256color'

#     Status bar settings

# Variable           Description
# --------           -----------
# #H                 Hostname of local host
# #h                 Hostname of local host without the domain name
# #F                 Current window flag
# #I                 Current window index
# #P                 Current pane index
# #S                 Current session name
# #T                 Current window title
# #W                 Current window name
# ##                 A literal #

set -g status-utf8 on

set -g status-left '#[default]'
set -g status-right-length 55
set -g status-right '#[fg=green]#(cut -d " " -f 1-3 /proc/loadavg) @ #H#[default]  |  #[fg=magenta]%a %d/%m/%Y %H:%M  #[default]'

set -g window-status-format '  #I #W'
set -g window-status-current-format '  #I #W'

# colors

setw -g window-status-current-fg  white
setw -g window-status-current-attr bright

set -g status-bg black
set -g status-fg white
set -g status-attr dim

set -g message-fg white
set -g message-bg black
set -g message-attr bright


# bind | and - to horizontal and vertical split respectively

bind | split-window -h
bind - split-window -v


# provide visual notification in status bar when a window's content changes
setw -g monitor-activity on
set -g visual-activity on

.vimrc

" set Pathogen to load all scripts on ~/vim/bundle/
" http://www.vim.org/scripts/script.php?script_id=2332
" call pathogen#runtime_append_all_bundles()


"========[ VIM SETTINGS ]========

set nocompatible
set ttyfast
set encoding=utf-8
set fileformats=unix,mac,dos  " handle Mac and DOS line-endings
                              " but prefer Unix endings

" show visual bell instead of beeping
" don't beep on error
set visualbell
set noerrorbells

" look of the windows
set showmode
set showcmd
set nonumber
set ruler
set scrolloff=3   " number of screen lines to keep above and below the cursor
set laststatus=2  " the last window always has a status bar

" deal with tabs and indentation
set shiftwidth=2
set tabstop=2
set expandtab
set smarttab
set autoindent
set smartindent

" deal with long lines
set formatoptions-=cro " do ':help fo-table' for details
set textwidth=120
set wrap

" Make naughty characters visible...
" (uBB is right double angle, uB7 is middle dot)
exec "set lcs=tab:\uBB\uBB,trail:\uB7,nbsp:~"

augroup VisibleNaughtiness
  " Remove ALL autocommands for the current group,
  " to ensure that Vim includes the autocommands only once
  autocmd!

  autocmd BufEnter  *     set list
  autocmd BufEnter  *     if !&modifiable
  autocmd BufEnter  *       set nolist
  autocmd BufEnter  *     endif
augroup END

" backspace allowed over autoindent,
" over EOL - joining lines, over the start of insert
set backspace=indent,eol,start

" autocomplete commands with <Tab>
" present more than one match in a list, complete with longest match
set wildmenu
set wildmode=list:longest,full  " show list of completions:
                                " and complete as much as possible,
                                " then iterate full completions


"========[ SEARCH OPTIONS ]========

set ignorecase  " ignore case in all searches...
set smartcase   " ...unless uppercase letters used
set incsearch   " lookahead as search pattern is specified
set hlsearch    " highlight all matches

" delete in normal mode to switch off highlighting till next search
nmap <silent> <BS> :nohlsearch<CR>


"========[ PATHS SETUP ]========

" extra forward slash to specify that VIM should add the full path to the filename
set backup
set backupdir=$HOME/.vim/backups/
set directory=$HOME/.vim/swaps/
set viewdir=$HOME/.vim/views/

" activate 'semi-infinite' undo, if available
if has('persistent_undo')
  set undodir=$HOME/.vim/undodir/
  set undolevels=5000
  set undofile
endif


"========[ GENERIC KEY MAPPINGS ]========

" remap leader key - user commands
" Example, >:map <Leader>A  oanother line<Esc>
" works like, >:map ;A  oanother line<Esc>
let mapleader=";"

" remap bracket matching to the Tab key
nnoremap <TAB> %
vnoremap <TAB> %

" enable tab-browsing
nmap <C-TAB>    :tabnext<CR>
nmap <C-S-TAB>  :tabprevious<CR>

" 'very magic' mode for regular expression patterns
" ie, regex work almost exactly like in Perl
nnoremap / /\v
vnoremap / /\v

" Make backspace work as expected in visual modes,
" i.e. delete the selected text
vmap <BS> x

" Use (shift+)space to jump through the page (like browsers do)
nnoremap <Space>    <PageDown>
nnoremap <S-Space>  <PageUp>


"========[ GUI OPTIONS ]========

if &t_Co >= 256 || has("gui_running")
  set guioptions-=T  "remove toolbar
  "set guioptions-=m  "remove all scroll bars
  "set guioptions-=l  "remove all scroll bars
  "set guioptions-=r  "remove all scroll bars
  "set guioptions-=b  "remove all scroll bars

  set guifont=Menlo:h13
  set background=dark
  colorscheme solarized
endif


"========[ FILE SETTINGS ]========

" autosave and autoload file views (to maintain folds)
" autocmd BufWinLeave ?* mkview
" autocmd BufWinEnter ?* silent loadview

filetype on         " try to detect the file type when opened,
filetype plugin on  " enable loading the plugin files,
filetype indent on  " and ident rules for specific file types

syntax enable       " switch syntax highlighting on

" folding
set foldcolumn=1
set foldmethod=syntax

" open all folds by default
autocmd BufWinEnter * normal zR


"========[ OBJC FILES SETTINGS ]========

" my *.m files are, by default, Objective-C files
autocmd BufRead,BufNewFile *.m setfiletype objc


"========[ PERL FILES SETTINGS ]========

let perl_fold = 1             " syntax folding for Perl files
let perl_nofold_packages = 1  " don't fold packages

" my *.t files are, by default, Perl files
autocmd BufNewFile,BufRead *.t setfiletype perl

.zshrc

# init

local ZSH_HOME=~/.zsh

export LC_ALL=en_US.UTF-8  
export LANG=en_US.UTF-8

#

setopt promptsubst
setopt nomatch
setopt notify
unsetopt beep

autoload colors; colors;
export CLICOLOR=1
export LSCOLORS="Gxfxcxdxbxegedabagacad"

# history

local HISTFILE=$ZSH_HOME/zsh_history
local HISTSIZE=100000
local SAVEHIST=100000
setopt hist_ignore_dups
setopt share_history
setopt hist_verify
setopt extended_history
setopt hist_expire_dups_first
setopt hist_ignore_space

# completion

autoload -U compinit # initialization
compinit -d $ZSH_HOME/zcompdump

# display colors in selection menus
zmodload -i zsh/complist
zstyle ':completion:*' list-colors $LSCOLORS

# use cache for quicker initialization
zstyle ':completion:*' use-cache on
zstyle ':completion:*' cache-path $ZSH_HOME/cache

# display selection menu if there are more than two matches
zstyle ':completion:*' menu yes=2 select
unsetopt menu_complete

# attempt to complete, correct typos up to two mistakes
zstyle ':completion:*' completer _complete _approximate
zstyle ':completion:*:approximate:*' max-errors 2 numeric
zstyle ':completion:*:approximate:*' max-errors 2 not-numeric

# correction

setopt correct_all

# make search up and down work,
# so partially type and hit up/down to find relevant stuff

bindkey '^[[A' up-line-or-search
bindkey '^[[B' down-line-or-search

# aliases

alias  mv='nocorrect mv -v'
alias  cp='nocorrect cp -v'
alias  rm='rm -v'
alias  ls='ls -Flh'
alias  vi='vim'
alias  ..='cd ..'
alias ...='cd ../..'

# only for graphical mode
if [[ $TERM == "xterm" || $TERM == "xterm-color" || $TERM == "rxvt" ]]; then
  #alias gvim='mvim'
  alias vim='gvim'
fi

# git

local GIT_PROMPT_PREFIX="%{$fg[red]%} ["
local GIT_PROMPT_SUFFIX="]%{$reset_color%}"
local GIT_DIRTY_STATUS="*"

# get branch name, if it exists
function git_prompt_info()
{
  #local REF=$(git name-rev HEAD 2>/dev/null | awk '{ print $2 }')
  local REF=$(git branch --no-color 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/\1/')
  if [[ -n $REF ]]; then
    echo "$GIT_PROMPT_PREFIX$REF$(parse_git_dirty)$GIT_PROMPT_SUFFIX"
  fi
}

# should we show notification of changes to commit?
parse_git_dirty () {
  if [[ -n $(git status -s 2> /dev/null) ]]; then
    echo " $GIT_DIRTY_STATUS"
  fi
}

# prompt
local RETURN_CODE="%(?..%{$fg[red]%}%? %{$reset_color%})"

export PS1='%{$fg[green]%}%n@%m%{$fg[blue]%} %B%3~%b$(git_prompt_info)%{$reset_color%} %B>%b '
export RPS1=$RETURN_CODE