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git and rvm enabled BASH prompt
#This is my personal prompt. Script taken from
#http://tammersaleh.com/posts/a-better-rvm-bash-prompt
function __git_dirty {
git diff --quiet HEAD &>/dev/null
[ $? == 1 ] && echo "!"
}
function __git_branch {
__git_ps1 " %s"
}
function __my_rvm_ruby_version {
local gemset=$(echo $GEM_HOME | awk -F'@' '{print $2}')
[ "$gemset" != "" ] && gemset="@$gemset"
local version=$(echo $MY_RUBY_HOME | awk -F'-' '{print $2}')
[ "$version" == "1.8.7" ] && version=""
local full="$version$gemset"
[ "$full" != "" ] && echo "$full "
}
bash_prompt() {
local NONE="\[\033[0m\]" # unsets color to term's fg color
# regular colors
local K="\[\033[0;30m\]" # black
local R="\[\033[0;31m\]" # red
local G="\[\033[0;32m\]" # green
local Y="\[\033[0;33m\]" # yellow
local B="\[\033[0;34m\]" # blue
local M="\[\033[0;35m\]" # magenta
local C="\[\033[0;36m\]" # cyan
local W="\[\033[0;37m\]" # white
# emphasized (bolded) colors
local EMK="\[\033[1;30m\]"
local EMR="\[\033[1;31m\]"
local EMG="\[\033[1;32m\]"
local EMY="\[\033[1;33m\]"
local EMB="\[\033[1;34m\]"
local EMM="\[\033[1;35m\]"
local EMC="\[\033[1;36m\]"
local EMW="\[\033[1;37m\]"
# background colors
local BGK="\[\033[40m\]"
local BGR="\[\033[41m\]"
local BGG="\[\033[42m\]"
local BGY="\[\033[43m\]"
local BGB="\[\033[44m\]"
local BGM="\[\033[45m\]"
local BGC="\[\033[46m\]"
local BGW="\[\033[47m\]"
local UC=$W # user's color
[ $UID -eq "0" ] && UC=$R # root's color
PS1="$Y\$(__my_rvm_ruby_version)$W\u@$W\h$W:$W\W$Y\$(__git_branch)$R\$(__git_dirty)${NONE} $ "
}
bash_prompt
unset bash_prompt
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