Simplified color coding and some function logic.

.bash_prompt

@@ -1,7 +1,14 @@
+#!/bin/bash
+
 prompt_git() {
 	local s=''
 	local branchName=''
 
+    # return if `git` is not available
+	if ! command -v git >/dev/null 2>&1; then
+	  return
+	fi
+
 	# Check if the current directory is in a Git repository.
 	if [ "$(git rev-parse --is-inside-work-tree &>/dev/null; echo "${?}")" == '0' ]; then
 
@@ -43,7 +50,7 @@ prompt_git() {
 
 		[ -n "${s}" ] && s=" [${s}]"
 
-		echo -e "${1}${branchName}\e[1;34m${s}"
+		echo -e "${PINK}${branchName}${PURPLE_2}${s}"
 	else
 		return
 	fi
@@ -52,31 +59,39 @@ prompt_git() {
 prompt_kubectl() {
   local kubectl_context
 
-  if command -v kubectl >/dev/null 2>&1; then
-    if kubectl_context=$(kubectl config current-context 2> /dev/null); then
-	  echo -e "${1}${kubectl_context}${2}"
-    fi
-  else
+  # return if `kubectl` is not available
+  if ! command -v kubectl >/dev/null 2>&1; then
     return
   fi
+
+  if kubectl_context=$(kubectl config current-context 2> /dev/null); then
+    echo -e "${WHITE}(${BLUE}${kubectl_context}${WHITE})${CLEAR} "
+  fi
 }
 
+PURPLE="$(tput setaf 105)"    # username
+ORANGE="$(tput setaf 214)"    # hostname
+WHITE="$(tput setaf 15)"      # prepositions
+MAGENTA="$(tput setaf 36)"    # path
+PINK=$(tput setaf 219)        # git branch
+PURPLE_2="$(tput setaf 183)"  # git status
+BLUE="$(tput setaf 33)"       # kubectl context
+CLEAR="$(tput sgr0)"          # unset color
+
 # Set the terminal title to the current working directory.
 PS1="\\[\\033]0;\\w\\007\\]";
-PS1+="\\[\033[38;5;33m\]\\u"; # username
-PS1+="\\[\\e[1;37m\\] at ";
-PS1+="\\[\033[38;5;37m\\]\\h"; # host
-PS1+="\\[\\e[1;37m\\] in ";
-PS1+="\\[\e[1;32m\\]\\w"; # working directory
-PS1+="\$(prompt_kubectl \"\e[1;37m (\033[38;5;33m\]\" \"\e[1;37m\])\")" # kubectl context
-PS1+="\$(prompt_git \"\e[1;37m on \e[1;35m\")"; # Git repository details
-PS1+="\\n";
-PS1+="\\[\\e[1;37m\\]\$ \\[\\e[0m\\]"; # `$` (and reset color)
+PS1="${PURPLE}\u${CLEAR} ";        # username
+PS1+="${WHITE}at${CLEAR} ";
+PS1+="${ORANGE}\h${CLEAR} ";       # host
+PS1+="${WHITE}in${CLEAR} ";
+PS1+="${MAGENTA}\w${CLEAR} ";      # working directory
+PS1+="\$(prompt_kubectl)${CLEAR}"  # kubectl context
+PS1+="\$(prompt_git)${CLEAR}";     # git repository details
+PS1+="\n";
+PS1+="${WHITE}\$ ${CLEAR}";        # `$` (and reset color)
 
 if [ "$TERM" = "dumb" ]; then
 	export PS1="> "
 else
 	export PS1;
-	PS2="\\[\\e[1;33m\\]→ \\[\\e[0m\\]";
-	export PS2;
 fi