My Oh My Zsh theme

singe.zsh-theme

# By Dominic White ( @singe@chaos.social / @singe@twitter.com )
#
# I've been rolling this font for nearly two decades. I can't remember who wrote
# it originally, but I stole enough of it to not take any credit. I've just
# updated it here and there. The latest for Oh-My-Zsh

prompt_setup_singe() {
  colour1="%{$fg[blue]%}" #line
  colour2="%{$fg[green]%}" #directory
  colour3="%{$fg[magenta]%}" #time, user, host
  colour4="%{$fg_bold[grey]%}" #brackets
  nocolour="%{$reset_color%}" #time, user, host
  
  topleft="╭─"
  botleft="╰─"
  bracket1op="("
  bracket1cl=")"
  bracket2op="["
  bracket2cl="]"
  line="─"
  clock="🕗 %T"
  retval="❓%?"
  user="👤 %n"
  host="🏠 %m"
  arrow="▶ "
  hist="📜 %!"
  newline="
"
  
  one="$colour1$topleft$colour4$bracket1op$colour2%~$colour4$bracket1cl$colour1$line"
  two="$line$bracket2op$colour3$clock$retval $hist $user $host$colour1$bracket2cl$line$nocolour"
  three="$colour1$botleft$nocolour$arrow"

  padding="$colour1"

  # Get the lines without the colour markers so we can calculate length
  top_nocol=$(echo "$one$two" | perl -pe "s/%\{[^}]+\}//g")

  precmd_functions+=(prompt_singe_precmd)
}

dynamic_elements() {
  # Check if we're in a git folder
  if [[ -n $(git_prompt_info) ]]; then
    host="📝 $(git_prompt_info)"
  fi
  two="$line$bracket2op$colour3$clock$retval $hist $user $host$colour1$bracket2cl$line$nocolour"
  # Check if we're in a python virtual environment
  #local env="🐍 $(echo $VIRTUAL_ENV|grep -o [^\/]*$)"
  #if [[ -n $VIRTUAL_ENV ]]; then
    #two="$line$bracket2op$colour3$clock $retval $hist $user $env$colour1$bracket2cl$line$nocolour"
  #else
    #two="$line$bracket2op$colour3$clock $retval $hist $user $host$colour1$bracket2cl$line$nocolour"
  #fi

  top_nocol=$(echo "$one$two" | perl -pe "s/%\{[^}]+\}//g")
}

update_padding() {
  # expand the variables like username and hostname to get "actual" length
  local top_exp="$(print -P '$top_nocol')"
  # work out how much padding we need
  local size="$(( $COLUMNS - $#top_exp - 8 ))"
  # generate padding
  padding="$colour1"
  for i in {0..$size}; do
    padding="$padding$line"
  done
}

prompt_singe_precmd() {
  dynamic_elements
  update_padding

  PROMPT="$one$padding$two$newline$three"
}

prompt_setup_singe