Want to display a hint showing your default Salesforce DX org configuration in your bash prompt? You'll learn how in this post!

.base_profile

bldwht='\e[1;37m' # White
bldgrn='\e[1;32m' # Green
txtylw='\e[0;33m' # Yellow

get_usernames() {
  config="$(cat .sfdx/sfdx-config.json 2> /dev/null)";
  globalConfig="$(cat ~/.sfdx/sfdx-config.json)";

  defaultusername="$(echo ${config} | jq -r .defaultusername)"
  defaultdevhubusername="$(echo ${config} | jq -r .defaultdevhubusername)"
  globaldefaultusername="$(echo ${globalConfig} | jq -r .defaultusername)"
  globaldefaultdevhubusername="$(echo ${globalConfig} | jq -r .defaultdevhubusername)"

  echoString="$bldwht""hub: $bldgrn";
  if [ ! $defaultdevhubusername = "null" ]
  then
    echoString=$echoString$defaultdevhubusername"$txtylw (local)"
  else
    echoString=$echoString$globaldefaultdevhubusername"$txtylw (global)"
  fi
  echo "\n"$echoString

  echoString="$bldwht""default: $bldgrn"
  if [ ! $defaultusername = "null" ]
  then
    echoString=$echoString$defaultusername"$txtylw (local)"
  else
    echoString=$echoString$globaldefaultusername"$txtylw (global)"
  fi
  echo $echoString"\n"
}

print_before_the_prompt () {
    printf "$(get_usernames)"
}

PROMPT_COMMAND=print_before_the_prompt
PS1='-> '