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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 () {
prompt_adam3_color1=${1:-'multi'}
prompt_adam3_color2=${2:-'blue'}
prompt_adam3_color3=${3:-'cyan'}
prompt_adam3_color4=${4:-'green'}
if [[ $prompt_adam3_color1 == 'multi' ]]; then
#prompt_adam3_hostnamecolor=$(hostname | od | tr ' ' '\n' | awk '{total = total + $1}END{print 1 + (total % 24)}')
#prompt_adam3_hostnamebold=$(hostname | od | tr ' ' '\n' | awk '{total = total + $1}END{print 1 + (total % 2)}')
# for testing purposes
prompt_adam3_hostnamecolor=$(( ( $RANDOM % 24 ) + 1 ))
prompt_adam3_hostnamebold=$(( $RANDOM % 2 ))
# Possible prompt colors
prompt_adam3_hostnamecolors=(black,red black,green black,yellow black,blue black,magenta black,cyan red,white red,yellow red,cyan green,black green,blue yellow,black yellow,blue blue,white blue,red blue,yellow magenta,white magenta,yellow cyan,white cyan,blue white,black white,red white,blue white,magenta)
# This is where we set up the actual prompt.
base_hostname_prompt="%K{${${prompt_adam3_hostnamecolors[$prompt_adam3_hostnamecolor]}%,*}}%F{${${prompt_adam3_hostnamecolors[$prompt_adam3_hostnamecolor]}##*,}}%m%f%k"
# this will set the hostname in bold in 50% of the time
if [[ $prompt_adam3_hostnamebold -eq 1 ]]; then base_hostname_prompt="%B$base_hostname_prompt%b"; fi
else
# If one wants a specific color, just set ut, plain and simple
base_hostname_prompt="%K{$prompt_adam3_color1}%m%k"
fi
base_prompt="%K{$prompt_adam3_color2}%n@%k$base_hostname_prompt "
post_prompt="%b%f%k"
setopt localoptions extendedglob
base_prompt_no_color="${base_prompt//(%K{[^\\\}]#\}|%k)/}"
post_prompt_no_color="${post_prompt//(%K{[^\\\}]#\}|%k)/}"
add-zsh-hook precmd prompt_adam3_precmd
}
prompt_adam3_precmd () {
# setopt noxtrace localoptions
local base_prompt_expanded_no_color base_prompt_etc
local prompt_length space_left
base_prompt_expanded_no_color=$(print -P "$base_prompt_no_color")
base_prompt_etc=$(print -P "$base_prompt%(4~|...|)%3~")
prompt_length=${#base_prompt_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 [[ $prompt_length -lt 69 ]]; then
path_prompt="%B%F{$prompt_adam3_color3}%(4~|...|)%3~%F{white}"
else
space_left=$(( $COLUMNS - $#base_prompt_expanded_no_color - 2 ))
path_prompt="%B%F{$prompt_adam3_color4}%${space_left}<...<%~$prompt_newline%F{white}"
fi
PS1="$base_prompt$path_prompt %# $post_prompt"
PS2="$base_prompt$path_prompt %_> $post_prompt"
PS3="$base_prompt$path_prompt ?# $post_prompt"
}
prompt_adam3_setup "$@"
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