helm/zsh/prompts/prompt_v0_setup

#
# A simple theme based off sorin
#

# Load dependencies.
pmodload 'helper'

# Show the hostname if this is an SSH session
if [ ! -z "$SSH_CLIENT" ]; then
    __prompt_host="%B%F{blue}[$(hostname | sed -e 's/\.local$//')]%f%b "
fi

function _prompt_pwd {
    local pwd="${PWD/#$HOME/~}"

    if [[ "$pwd" == (#m)[/~] ]]; then
        __prompt_pwd="$MATCH"
        unset MATCH
    else
        __prompt_pwd="${${${(@j:/:M)${(@s:/:)pwd}##.#?}:h}%/}/${pwd:t}"
    fi
}

# Why not use prezto's git module? Because git-info seems like overkill.
function _prompt_git {
    __prompt_git=$(git rev-parse --abbrev-ref HEAD 2>/dev/null)
    if [[ -n "$__prompt_git" ]]; then
        __prompt_git=" :%F{yellow}$__prompt_git"
        if ! git -c diff.autorefreshindex=true diff --quiet -- .; then
            __prompt_git+="%F{white}+"
        fi
    fi
}

function prompt_v0_setup {
    setopt LOCAL_OPTIONS
    unsetopt XTRACE KSH_ARRAYS
    prompt_opts=(cr percent subst)

    # Load required functions.
    autoload -Uz add-zsh-hook

    # Add hook for calling git-info before each command.
    add-zsh-hook precmd _prompt_git
    add-zsh-hook precmd _prompt_pwd

    # Set editor-info parameters.
    zstyle ':prezto:module:editor:info:completing' format '%B%F{red}...%f%b'
    zstyle ':prezto:module:editor:info:keymap:primary' format '%B%F{red}$%f%b'
    zstyle ':prezto:module:editor:info:keymap:primary:overwrite' format '%F{red}♺%f'
    zstyle ':prezto:module:editor:info:keymap:alternate' format '%B%F{green}#%f%b'

    # Add newline before prompt
    precmd() { print ""  }

    # Define prompts.
    PROMPT='${__prompt_host}%F{cyan}${__prompt_pwd} ${editor_info[keymap]} '
    RPROMPT='%F{yellow}${__prompt_git:- }'
}

prompt_v0_setup "$@"