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# adam3 prompt theme
prompt_adam3_help () {
cat <<'EOF'
This prompt changes the color of your prompt based on the
hostname of your current host. This can be quite nice if you log in to a lot of
different hosts (if you can manage to distribute the prompt, of course).
EOF
}
prompt_adam3_setup () {
setopt localoptions nowarncreateglobal
autoload -Uz vcs_info
# colors
prompt_adam3_color1=${1:-'multi'}
prompt_adam3_color2=${2:-'blue'}
prompt_adam3_color3=${3:-'cyan'}
prompt_adam3_color4=${4:-'green'}
prompt_adam3_PS1="%K{${prompt_adam3_color2}}%n@%k"
# Change color of host, based on hostname
if [[ $prompt_adam3_color1 == 'multi' ]]; then
local hostname_color=$(hostname | od | tr ' ' '\n' | awk '{total = total + $1}END{print 1 + (total % 24)}')
local hostname_bold=$(hostname | od | tr ' ' '\n' | awk '{total = total + $1}END{print 1 + (total % 2)}')
# for testing purposes
#prompt_adam3_hostnamecolor=$(( ( $RANDOM % 24 ) + 1 ))
#prompt_adam3_hostnamebold=$(( $RANDOM % 2 ))
# Possible prompt colors
local colors=(black,red black,green black,yellow black,blue black,magenta black,cyan red,white red,yellow red,cyan green,black green,blue yellow,black yellow,blue blue,white blue,red blue,yellow magenta,white magenta,yellow cyan,white cyan,blue white,black white,red white,blue white,magenta)
# This is where we set up the actual prompt.
local hostname_prompt="%K{${${colors[${hostname_color}]}%,*}}%F{${${colors[${hostname_color}]}##*,}}%m%f%k"
# this will set the hostname in bold in 50% of the time
if [[ $hostname_bold -eq 1 ]]; then hostname_prompt="%B${hostname_prompt}%b"; fi
else
# If one wants a specific color, just set ut, plain and simple
local hostname_prompt="%K{$prompt_adam3_color1}%m%k"
fi
prompt_adam3_PS1+="${hostname_prompt} "
add-zsh-hook precmd prompt_adam3_precmd
}
prompt_adam3_precmd () {
setopt localoptions extendedglob noxtrace nowarncreateglobal
zstyle ':vcs_info:*' enable git svn
zstyle ':vcs_info:*' check-for-changes true
zstyle ':vcs_info:*' check-for-staged-changes true
zstyle ':vcs_info:*' stagedstr ' S'
zstyle ':vcs_info:*' unstagedstr ' U'
zstyle ':vcs_info:*' formats "%F{grey}%s %F{green}%b%F{red}%u%c "
zstyle ':vcs_info:git*' actionformats "%F{grey}%s %r/%S %F{green}%b%F{red}%u%c%a "
vcs_info
local promptchar
PS1="${prompt_adam3_PS1}"
local prompt_adam3_PS1_length="${#${(S%%)prompt_adam3_PS1//(\%([KF1]|)\{*\}|\%[Bbkf])}}"
local prompt_adam3_PS1_etc=$(print -P "${(S%%)prompt_adam3_PS1//(\%([KF1]|)\{*\}|\%[Bbkf])}%~")
local prompt_adam3_PS1_etc_length="${#prompt_adam3_PS1_etc}"
# Changing the prompt based on the length of the prompt, should happen based
# on how long it actually is. The method below will need to be changed.
if [[ ${prompt_adam3_PS1_etc_length} -lt 60 && $((${prompt_adam3_PS1_etc_length} + 40)) -lt $COLUMNS ]]; then
PS1+="%B%F{${prompt_adam3_color3}}%(4~|...|)%3~%b "
else
local space_left=$(( $COLUMNS - ${prompt_adam3_PS1_length} - 2 ))
PS1+="%B%F{${prompt_adam3_color4}}%${space_left}<...<%~${prompt_newline}%b"
fi
# make promptchar bold red if root
if [[ $EUID == 0 ]]; then promptchar="%F{red}%B%#%b%f"; else promptchar="%F{white}%B%#%b%f"; fi
# same as above, but with $ instead of % as promptchar for unprivileged users
#if [[ $EUID == 0 ]]; then promptchar="%F{red}%B%#%b%f"; else promptchar="%F{white}%B%(!.#.$)%b%f"; fi
PS1+="${vcs_info_msg_0_}%{${reset_color}%}"
PS1+="${promptchar} %b%f%k"
PS2="${PS1}%_> %b%f%k"
PS3="${PS1}?# %b%f%k"
}
prompt_adam3_setup "$@"
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