My Dotfiles: zshrc

This is my current .zshrc file:

Code
#########################################################
# Turn on prompt expansion

setopt PROMPT_SUBST

#########################################################
# Load other aliases and functions

if [ -d "/Users/alan/.zsh_aws_tools" ]; then
  for file in /Users/alan/.zsh_aws_tools/*.zsh; do
    source "$file"
  done
fi

#########################################################
# Set up so you don't have to type `cd` to get
# into a directory

setopt autocd

#########################################################
# Set colors for ls

export CLICOLOR=1
export LS_COLORS='di=1:fi=34:ln=31:pi=5:so=5:bd=5:cd=5:or=31'

#########################################################
# Don't keep commands that start with a space to
# the history log

setopt HIST_IGNORE_SPACE

#########################################################
# Define Prompt Colors

BG_ON='%K{233}'
BG_OFF='%k'
FG_ON='%F{#6b560e}'
FG_OFF='%f'
FG_CARET='%F{242}'
FG_DOT='%F{239}'
FG_OK='%F{#0d5715}'
FG_ER='%F{52}'

NEWLINE=$'\n'

#########################################################
# Make a display to show if the last command
# was successful or not

function prompt_previous_exit_code() {
    if [[ $? -eq 0 ]]; then
        echo " ${FG_DOT}· ${FG_OK}OK${FG_ON}"
    else
        echo " ${FG_DOT}· ${FG_ER}ERROR: $?${FG_ON}"
    fi
}

#########################################################
# Show current git branch if there is one

function prompt_git_branch() {
    BRANCH_NAME=$(git branch --show-current 2> /dev/null)
    if [ $? -eq 0 ]; then
        echo -n " ${FG_DOT}· [$BRANCH_NAME]${FG_ON}"
    else
        echo -n "${FG_DOT}${FG_ON}"
    fi
}

#########################################################
# Show if you're in a python venv

function prompt_python_venv() {
    if [ -n "$VIRTUAL_ENV" ]; then
        echo -n " ${FG_DOT}· VENV${FG_ON}"
    else
        echo -n "${FG_DOT}${FG_ON}"
    fi
}

#########################################################
# Twitch ID

function twitch_id() {
    echo " ${FG_DOT}· twitch.tv/theidofalan${FG_ON}"
}

#########################################################
# Set  The Prompt

function precmd() {
    PROMPT_EXIT_STRING=$(prompt_previous_exit_code)
    #PROMPT_DATE_STRING=$(date "+%-I:%M%p" | tr '[:upper:]' '[:lower:]')
    PROMPT_DATE_STRING=""
    L1="${FG_CARET}> ${FG_ON}dojo $(dirs)"
    L1="${L1}${PROMPT_EXIT_STRING}"
    L1="${L1}$(prompt_python_venv)"
    L1="${L1}$(prompt_git_branch)"
    # CHARCOUNT=${#L1}
    # COLCOUNT=$(($(tput cols) * 1))
    # for i in $( seq 1 $(( COLCOUNT - CHARCOUNT + 70)) ); do L1="$L1 "; done
    L1="${L1} ${FG_DOT}${PROMPT_DATE_STRING}${FG_ON} "
    PS1="${L1}${NEWLINE}${FG_CARET}>${FG_OFF} "
}


#########################################################
# Set up/down arrows based on existing text

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

#########################################################
# Use vim bindings

bindkey -v

#########################################################
# Exports

export PATH="/Applications/Blender.app/Contents/MacOS:$PATH"
export PATH="/Users/alan/go/bin:$PATH"
export NODE_PATH="$(npm root -g):$NODE_PATH"
export EDITOR=nvim
source $HOMEBREW_PREFIX/opt/chruby/share/chruby/chruby.sh
source $HOMEBREW_PREFIX/opt/chruby/share/chruby/auto.sh
chruby ruby-3.1.2

# TURNED OFF For now until I learn how how to make
# it not override exact matches in the current directory
# The following lines were added by compinstall
#zstyle ':completion:*' completer _expand _complete _ignored
#zstyle ':completion:*' format 'alfa %d'
#zstyle :compinstall filename '/Users/alan/.zshrc'
#autoload -Uz compinit
#compinit
# End of lines added by compinstall
Notes

  • Some lines return just the color codes with no content. That's to keep the padding lined up with the background highlight mechanism

  • I'm keeping my main customizations in external files load in via the `.zsh_aws_tools`` directory. They're a lot easier for me to deal with as individual files

  • I'm set up to avoid saving things into the history file that start with a space, but I still don't type passwords into the command prompt. It's good practice in general but becomes pretty important when you stream to avoid accidentally flashing credentials. I call things directly from my password manager instead

  • I tried using `setopt CDABLE_VARS`bash` but didn't like it. When I would tab complete for a file it would offer different directories instead of just going into the single file in the directory I was actually in

  • I had `export TERM=screen-256color`` based of some old post but have removed it. Things seem to work fine without it in iTerm2 and tmux as far as I can tell

  • I'm using `%K{16}`` for the background color instead of `%K{0}`` because the later is getting overwritten by the color them in iTerm2

  • I used to have some git stuff in here, but it slows down the prompt when I'm in larger directories

  • The `FG_OK`` and `FG_ER`` value both need to be the same number of digits. (i.e. either they are both 2 digits or they are both 3 digits). Otherwise, the padding to space out the background line misses one or the other

Reference

ZSH Prompt Expansion