main .bashrc file. Most of the aliases were move to .bash_aliasaes. Add this at the end of your current .bashrc

.bashrc

# git
parse_git_branch() {
  git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/ (\1)/'
}

# Adding last command execution time
# source: https://jakemccrary.com/blog/2015/05/03/put-the-last-commands-run-time-in-your-bash-prompt/
# https://stackoverflow.com/a/34812608
timer_now() {
  date +%s%N
}

timer_start() {
  timer_start=${timer_start:-$(timer_now)}
}

timer_stop() {
  local delta_us=$((($(timer_now) - $timer_start) / 1000))
  local us=$((delta_us % 1000))
  local ms=$(((delta_us / 1000) % 1000))
  local s=$(((delta_us / 1000000) % 60))
  local m=$(((delta_us / 60000000) % 60))
  local h=$((delta_us / 3600000000))

  # Goal: always show around 3 digits of accuracy
  if ((h > 0)); then timer_show=${h}h${m}m
  elif ((m > 0)); then timer_show=${m}m${s}s
  elif ((s >= 10)); then timer_show=${s}.$((ms / 100))s
  elif ((s > 0)); then timer_show=${s}.$(printf %03d $ms)s
  elif ((ms >= 100)); then timer_show=${ms}ms
  elif ((ms > 0)); then timer_show=${ms}.$((us / 100))ms
  else timer_show=${us}us
  fi
  unset timer_start
}

# Show timestamp on the right hand side
# source: https://superuser.com/questions/187455/right-align-part-of-prompt/1203400#1203400
# Create a string like:  "[ 16:06:06 ]" with time in RED.
# Strip ANSI commands before counting length
# From: https://www.commandlinefu.com/commands/view/12043/remove-color-special-escape-ansi-codes-from-text-with-sed
showTime()
{
  Green='\[\e[00;32m\]'
  White='\[\e[01;37m\]'
  Cyan='\[\e[00;36m\]'
  Yellow='\[\e[00;33m\]'
  LightBlue='\[\e[00;94m\]'
  Reset='\[\e[00m\]'

  printf -v PS1RHS "\e[0m[ \e[1;31m%(%H:%M:%S)T \e[0m]" -1 # -1 is current time
  PS1RHS_stripped=$(sed "s,\x1B\[[0-9;]*[a-zA-Z],,g" <<<"$PS1RHS")

# Reference: https://en.wikipedia.org/wiki/ANSI_escape_code
  Save='\e[s' # Save cursor position
  Rest='\e[u' # Restore cursor to save point

  # Add the ellapsed time and current date
  timer_stop

# Save cursor position, jump to right hand edge, then go left N columns where
# N is the length of the printable RHS string. Print the RHS string, then
# return to the saved position and print the LHS prompt.

# Note: "\[" and "\]" are used so that bash can calculate the number of
# printed characters so that the prompt doesn't do strange things when
# editing the entered text.
  PS1="\[${Save}\e[${COLUMNS:-$(tput cols)}C\e[${#PS1RHS_stripped}D${PS1RHS}${Rest}\]"
  PS1="$PS1[last: ${timer_show}] $Green\u$White@$Cyan\h $Yellow\W$LightBlue$(parse_git_branch)$Reset \n$ "   
}

trap 'timer_start' DEBUG

PROMPT_COMMAND='showTime'

# Show timestamp on history output
HISTTIMEFORMAT="%F %T "