Theme for zsh

prose.zsh-theme

# Theme based on:
# http://stevelosh.com/blog/2010/02/my-extravagant-zsh-prompt/
# http://fendrich.se/blog/2012/09/28/no/

function prompt_char {
    git branch >/dev/null 2>/dev/null && echo '±' && return
    hg root >/dev/null 2>/dev/null && echo '☿' && return
    echo '%(!.!.➜)'
}

function get_RAM {
    free -m | awk '{if (NR==3) print $4}' | xargs -i echo 'scale=1;{}/1000' | bc
}

function get_nr_jobs() {
    jobs | wc -l
}

function get_nr_CPUs() {
    grep -c "^processor" /proc/cpuinfo
}

function get_uptime() {
    uptime | awk '{print $3}' | tr ',' ' ' 
}

PROMPT='%{$fg_bold[green]%}%n@%m %{$fg[cyan]%}%2c %{$fg_bold[blue]%}$(git_prompt_info)%{$fg_bold[blue]%} %{$fg_bold[red]%}$(prompt_char) % %{$reset_color%}'

RPROMPT='%{$fg_bold[red]%}[$(get_nr_jobs), $(get_RAM)G, $(get_uptime)($(get_nr_CPUs))] %{$fg_bold[green]%}%*%{$reset_color%}'

ZSH_THEME_GIT_PROMPT_PREFIX="git:(%{$fg[red]%}"
ZSH_THEME_GIT_PROMPT_SUFFIX="%{$reset_color%}"
ZSH_THEME_GIT_PROMPT_DIRTY="%{$fg[blue]%}) %{$fg[yellow]%}!%{$reset_color%}"
ZSH_THEME_GIT_PROMPT_UNTRACKED="%{$fg[blue]%}) %{$fg[yellow]%}?%{$reset_color%}"
ZSH_THEME_GIT_PROMPT_CLEAN="%{$fg[blue]%})"