RST='\e[0m'
PS1_LINE=`printf -- '- %.0s' {1..200}`  # Background lines

update() {
  # Exit code
  # [ $? == 0 ] && PS1_STATUS="" || PS1_STATUS=""
  # [ $? == 0 ] && PS1_STATUS="\e[38;5;113m${RST}" || PS1_STATUS="\e[38;5;167m${RST}"

  PS1_FILL=${PS1_LINE:0:$COLUMNS}  # Background fill

  FREE_RAM=$(free | awk '/Mem/{printf("%2d%"), $3/$2*100}')

  # Git branch
  GIT_BRANCH=''
  ref=$(git symbolic-ref HEAD 2> /dev/null) || return
  GIT_BRANCH="[git ${ref#refs/heads/}] "
}

PROMPT_COMMAND=update

PS1_HOST="\e[38;5;159m \h${RST}"          # Host
PS1_CLOCK="\e[38;5;227m \t${RST}"         # Clock
PS1_USER="\e[38;5;218m \u${RST}"          # User
PS1_RAM="\e[38;5;113m \$FREE_RAM${RST}"   # RAM
PS1_FOLDER="\e[38;5;215m \W${RST}"        # Folder
PS1_GIT="\e[38;5;215m\$GIT_BRANCH${RST}"   # Git branch (if exist)

PS1="\e[0;90m\${PS1_FILL}\[\033[0G\]${PS1_HOST}  ${PS1_USER}  ${PS1_FOLDER} \
\[\033[\$((COLUMNS-17))G\] ${PS1_RAM}  ${PS1_CLOCK}${RST}\n${PS1_GIT}\
(\e[38;5;113m\$(if [ \$? == 0 ]; then echo ''; else echo ''; fi)${RST})> "