dotfiles/zsh/zshrc

#
# .zshrc is sourced in interactive shells.
# It should contain commands to set up aliases,
# functions, options, key bindings, etc.
#

##################
# LOAD FUNCTIONS #
##################

## completions
autoload -U compinit
compinit

## colors
autoload -U colors
colors

## renaming
autoload zmv
alias mmv='noglob zmv -W'

###############
# SET OPTIONS #
###############

#allow tab completion in the middle of a word
setopt COMPLETE_IN_WORD

## Correct my spelling
#setopt CORRECT

## Don't ask me
setopt RMSTARSILENT

## Don't require 'cd'
#setopt AUTOCD

## Automatically pushd - then I can go to an old dir with cd - <tab> (pick no.)
setopt AUTOPUSHD
export DIRSTACKSIZE=11 # stack size of eleven gives me a list with ten entries

## Autocomplete hosts from .ssh/known_hosts
#local _myhosts
_myhosts=( ${${${${(f)"$(<$HOME/.ssh/known_hosts)"}:#[0-9]*}%%\ *}%%,*} )
zstyle ':completion:*' hosts $_myhosts

HISTSIZE=10000
SAVEHIST=10000
HISTFILE=~/.zsh_history

#####################
# SHELL ENVIRONMENT #
#####################

## Ctrl-W stops at a directory
## see http://www.zsh.org/mla/users/1995/msg00088.html
WORDCHARS='*?_-.[]~\!#$%^(){}<>|`@#$%^*()+:?'

## set up my prompt
export PS1="%{${fg[yellow]}%}[%n@%m] %{${fg[green]}%}%3~ %# %{${fg[default]}%}"

## color STDERR red
#exec 2>>(while read line; do
#  print '\e[91m'${(q)line}'\e[0m' > /dev/tty; done &)

#if [ "`uname`" = "Darwin" ]; then
#   compctl -f -x 'c[-1,-a][-1,-A] p[2]' -s "`/bin/ls -d1 /Applications/*/*.app /Applications/*.app | sed 's|^.*/\([^/]*\)\.app.*|\\1|;s/ /\\\\ /g'`"  -- open
#   alias run='open -a'
#fi

## set list colours
# TODO do we need to rework this?
export LS_COLORS='no=00:fi=00:di=00;36:ln=01;36:pi=40;33:so=00;35:bd=40;33;01:cd=40;33;01:or=01;05;37;41:mi=01;05;37;41:ex=00;32:*.cmd=00;32:*.exe=00;32:*.com=00;32:*.btm=00;32:*.bat=00;32:*.sh=00;32:*.csh=00;32:*.tar=00;31:*.tgz=00;31:*.arj=00;31:*.taz=00;31:*.lzh=00;31:*.zip=00;31:*.z=00;31:*.Z=00;31:*.gz=00;31:*.bz2=00;31:*.bz=00;31:*.tz=00;31:*.rpm=00;31:*.cpio=00;31:*.jpg=00;35:*.gif=00;35:*.bmp=00;35:*.xbm=00;35:*.xpm=00;35:*.png=00;35:*.tif=00;35:'


#############
# SSH AGENT #
#############

# Don't do for OSX, as it has it's own handling of ssh-agent
if [ `uname` != Darwin ]; then

  # Check to see if SSH Agent is already running
  agent_pid="$(ps -ef | grep "ssh-agent" | grep -v "grep" | awk '{print($2)}')"
 
  # If the agent is not running (pid is zero length string)
  if [[ -z "$agent_pid" ]]; then
      # Start up SSH Agent
   
      # this seems to be the proper method as opposed to `exec ssh-agent bash`
      eval "$(ssh-agent)"
   
      # if you have a passphrase on your key file you may or may
      # not want to add it when logging in, so comment this out
      # if asking for the passphrase annoys you
      #ssh-add
   
  # If the agent is running (pid is non zero)
  else
      # Connect to the currently running ssh-agent
   
      # this doesn't work because for some reason the ppid is 1 both when
      # starting from ~/.profile and when executing as `ssh-agent bash`
      #agent_ppid="$(ps -ef | grep "ssh-agent" | grep -v "grep" | awk '{print($3)}')"
      agent_ppid="$(($agent_pid - 1))"
   
      # and the actual auth socket file name is simply numerically one less than
      # the actual process id, regardless of what `ps -ef` reports as the ppid
      agent_sock="$(find /tmp -path "*ssh*" -type s -iname "agent.$agent_ppid")"
   
      echo "Agent pid $agent_pid"
      export SSH_AGENT_PID="$agent_pid"
   
      echo "Agent sock $agent_sock"
      export SSH_AUTH_SOCK="$agent_sock"
  fi
fi


#############
# FUNCTIONS #
#############

trash() { mv $@ ~/.Trash }
pc() { awk "{print \$$1}" }
mcd() { mkdir -p "$1" && cd "$1" }
calc() { echo "$@" | bc -l -q -i }
dont() { echo "OK, I won't!" }
settab() { echo -ne "\e]1;$1\a" }
settabh() { settab `hostname | cut -d. -f1` }


###########
# ALIASES #
###########

## history
alias h='history'

## folder listing/traversal
alias l='ls'
alias l1='ls -1'
alias ll='ls -hl'
alias la='ls -A'
alias lal="ls -Ahl"
alias l.='ls -d .[^.]*'
alias lsd='ls -ld *(-/DN)'
alias lg='ls -l | grep -i'
alias cd..='cd ..';
alias ..='cd ..'
alias -g ...="../.."
alias -g ....="../../.."
alias -g .....="../../../.."

## disk usage
alias df='df -h'
alias du='du -sh'

## file manipulation
alias mkdir='nocorrect mkdir'
alias mv='nocorrect mv'
alias cp='nocorrect cp'
alias touch='nocorrect touch'
alias ln='nocorrect ln'

## grep (which is mostly replaced with ack anyway)
alias -g G="| grep"
alias -g g="| grep -i"
alias -g L="| less"
alias -g H="| head"
alias igrep='grep -i'
alias rgrep='grep -R'
alias rigrep='grep -iR'

## proxy setup
alias proxy='export http_proxy=http://192.168.1.248:3128;export HTTP_PROXY=$http_proxy;export https_proxy=$http_proxy;export HTTPS_PROXY=$http_proxy;export ftp_proxy=$http_proxy;export FTP_PROXY=$http_proxy;'
alias noproxy='export http_proxy='';export HTTP_PROXY=$http_proxy;export https_proxy=$http_proxy;export HTTPS_PROXY=$http_proxy;export ftp_proxy=$http_proxy;export FTP_PROXY=$http_proxy;'
alias hosts='vim /etc/hosts'
alias graceful='apachectl graceful'
alias flushdns='lookupd -flushcache'
alias bc='bc -l'
alias o.='open .'
alias upd='cvs -q upd -dP'
alias upd-head='cvs -q upd -dPA'

## git
alias gs='git status'
alias gd='git diff'
alias gds='git diff --staged'
alias ga='git add .'

# update locate data for mac
if [ `uname` = Darwin ]; then
    alias updatedb='sudo /usr/libexec/locate.updatedb'
fi

## common typos
alias vf='cd'
alias xs='cd'
alias ks='ls'
alias ecgi='echo'

## ensure X11 is running when I gvim, xterm etc
## TODO do we really need this?
alias xterm='open -a X11 && /usr/X11R6/bin/xterm  -sb -sl 5000 -rightbar -fg white -bg black -geometry 100x50+40+20'
alias gvim='open -a X11 && vim -g'

settabh

## include settings specific to this machine
if [[ -r ~/.zshlocal ]]; then
    source ~/.zshlocal
fi