Bash prompt with kubernetes & git decorations

.bashrc

# Based on http://www.terminally-incoherent.com/blog/2013/01/14/whats-in-your-bash-prompt/
# Requires Bash >= 4.2
# Colors
Color_Off='\033[0m'
Red='\033[0;31m'
Green='\033[0;32m'
Purple='\033[0;35m'
LightBlue='\e[94m'
Dim='\e[2m'

# Symbols
CheckSym="\u2714"
ExSym="\u2718"
HelmSym="\u2388"
NullSym="\u2205"

# setup command prompt
function __prompt_command()
{
  # capture the exit status of the last command
  local EXIT="$?"

  PS1='> '
  local PROMPT=""

  # previous command exit code indicator
  if [ $EXIT -eq 0 ]; then PROMPT+="${Green}${CheckSym}${Color_Off} "; else PROMPT+="${Red}${ExSym}${Color_Off} "; fi

  local kubernetes_context=$(kubectl config current-context 2>&1)
  if [[ "$kubernetes_context" =~ "error: current-context is not set" ]]; then
    PROMPT+="${Dim}${HelmSym} (${NullSym})${Color_Off} "
  else
    PROMPT+="${LightBlue}${HelmSym} (${kubernetes_context})${Color_Off} "
  fi

  # check if inside git repo
  local git_status=$(git status -unormal 2>&1)
  if ! [[ "$git_status" =~ Not\ a\ git\ repo ]]; then
    # parse the porcelain output of git status
    if [[ "$git_status" =~ nothing\ to\ commit ]]; then
      local Color_On=$Green
    elif [[ "$git_status" =~ nothing\ added\ to\ commit\ but\ untracked\ files\ present ]]; then
      local Color_On=$Purple
    else
      local Color_On=$Red
    fi
    local remote=$(git config --get remote.origin.url)
    local repo=$(git config --get remote.origin.url | cut -d'/' -f2 | cut -d'.' -f1)  # default; ssh git source
    if echo $remote | grep -q https; then  # https git source
      repo=$(git config --get remote.origin.url | cut -d'/' -f5 | cut -d'.' -f1)
    fi

    if [[ "$git_status" =~ On\ branch\ ([^[:space:]]+) ]]; then
      local branch=${BASH_REMATCH[1]}
    else
      # Detached HEAD. (branch=HEAD is a faster alternative.)
      local branch=$(git describe --all --contains --abbrev=4 HEAD 2> /dev/null || echo HEAD)
    fi
    # add the result to prompt
    PROMPT+="${repo}:(${Color_On}${branch}${Color_Off}) "
  else
    # basic information (path)
    PROMPT+=$(dirs -0)
  fi

  echo -e "$PROMPT"
}
PROMPT_COMMAND=__prompt_command