foolzprompt

.foolzprompt

##############################
#                            #
# .foolzprompt               #	
# customized bash PS1 prompt #
#                            #
##############################

# function to detect the git branch of the current directory
parse_git_branch() {

    # detect if running on linux or macos
	case "$OSTYPE" in
	linux*)
		# git commands for linux
		BRANCH=$(git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/\1/');;
	darwin*)
		# git commands for macOS
		BRANCH="$(git symbolic-ref --quiet --short HEAD 2> /dev/null || \
			git describe --all --exact-match HEAD 2> /dev/null || \
			git rev-parse --short HEAD 2> /dev/null || \
			echo '')";;
	esac

    if [[ -n $BRANCH ]]
    then
        # single space added after branch name
        echo "$BRANCH "
    else
        echo ""
    fi

}

# function to return a "branch" symbol if there is a active branch in the directory
git_branch_icon() {

    if [[ -n $(parse_git_branch) ]]
    then
        # two spaces added after symbol
        echo "⎇  "
    else
        echo ""
    fi

}

# main function to create the custom PS1 prompt
function foolzprompt {

    # setting colors/text styles via tput commands
    BLACK_FG="\[$(tput setaf 0)\]"
    RED_FG="\[$(tput setaf 1)\]"
    GREEN_FG="\[$(tput setaf 2)\]"
    YELLOW_FG="\[$(tput setaf 3)\]"
    BLUE_FG="\[$(tput setaf 4)\]"
    PINK_FG="\[$(tput setaf 5)\]"
    CYAN_FG="\[$(tput setaf 6)\]"
    WHITE_FG="\[$(tput setaf 7)\]"
    BOLD="\[$(tput bold)\]"
    END="\[$(tput sgr0)\]"
	

    # components to add to the prompt

    # just a space character to make them more obvious
    SPACE=" "
    
    # username using \u
    USERNAME="${BOLD}${BLUE_FG}\u${SPACE}${END}"

    # hostname using \h
    HOSTNAME="${BOLD}${CYAN_FG}\h${SPACE}${END}"

    # directory using \w
    DIRECTORY="${BOLD}${PINK_FG}\w${SPACE}${END}"

    # git branch name using the parse_git_branch function
    GIT_BRANCH="${BOLD}${WHITE_FG}\$(parse_git_branch)${END}"

    # a branch "icon" using the parse_git_branch function
    BRANCH_ICON="${BOLD}${GREEN_FG}\$(git_branch_icon)${END}"

    # ⟶
    ARROW="${BOLD}${GREEN_FG}⟶${SPACE}${END}"

    # just an @ no escape needed
    AT_SIGN="${BOLD}${GREEN_FG}@${SPACE}${END}"

    # $ needs the escape character
    DOLLAR="${BOLD}${GREEN_FG}\$${SPACE}${END}"

    # export the PS1 prompt will all the variables chained together
    export PS1="${USERNAME}${AT_SIGN}${HOSTNAME}${ARROW}${DIRECTORY}${BRANCH_ICON}${GIT_BRANCH}${DOLLAR}"

}

# invoke the function to set the PS1 prompt
foolzprompt