.bashrc

# -- System Default ------------------------------------------------------------

# Source global definitions
if [ -f /etc/bashrc ]; then
	. /etc/bashrc
fi

# -- Alias ---------------------------------------------------------------------

alias ll="ls -alt"
alias ..="cd .."
alias mv="mv -v"
alias cp="cp -v"
alias rm="rm -v"
alias grep="grep --color=auto"

# -- Prompt --------------------------------------------------------------------

# check if the directory is dirty
propmt_dirt() {
	local s=''
	git rev-parse --is-inside-work-tree &>/dev/null || return
	# Early exit for Chromium & Blink repo, as the dirty check takes too long.
	# Thanks, @paulirish!
	# https://github.com/paulirish/dotfiles/blob/dd33151f/.bash_prompt#L110-L123
	repoUrl="$(git config --get remote.origin.url)"
	if grep -q 'chromium/src.git' <<<"${repoUrl}"; then
		s+='*'
	else
		# Check for uncommitted changes in the index.
		if ! git diff --quiet --ignore-submodules --cached; then
			s+='+'
		fi
		# Check for unstaged changes.
		if ! git diff-files --quiet --ignore-submodules --; then
			s+='!'
		fi
		# Check for untracked files.
		if [ -n "$(git ls-files --others --exclude-standard)" ]; then
			s+='?'
		fi
		# Check for stashed files.
		if git rev-parse --verify refs/stash &>/dev/null; then
			s+='$'
		fi
	fi
	[ -n "${s}" ] && s="[${s}]"
	echo -e "${s}"
}

# check if the directory contains git then check the branch
prompt_git() {
	local branchName=''
	# Check if the current directory is in a Git repository.
	git rev-parse --is-inside-work-tree &>/dev/null || return
	# Check for what branch we’re on.
	# Get the short symbolic ref. If HEAD isn’t a symbolic ref, get a
	# tracking remote branch or tag. Otherwise, get the
	# short SHA for the latest commit, or give up.
	branchName="$(git symbolic-ref --quiet --short HEAD 2>/dev/null ||
		git describe --all --exact-match HEAD 2>/dev/null ||
		git rev-parse --short HEAD 2>/dev/null ||
		echo '(unknown)')"
	echo -e "(${branchName}"
}

# append the last parentheisis at the back of git branch status
prompt_closingBracket() {
	git rev-parse --is-inside-work-tree &>/dev/null || return
	echo -e ")"
}

# call git check
git_branch() {
	prompt_git | sed 's/()//'
}

# bash propmt
PS1='\[\e[m\]'                              # clear all colors
PS1+='\[\e[32m\]\u'                         # username green
PS1+='\[\e[35m\]@'                          # @ purple
PS1+='\[\e[34m\]\h'                         # : blue
PS1+='\[\e[m\]:'                            # white
PS1+='\[\e[36m\]\w'                         # working dir cyan
PS1+='\[\e[33m\]$(git_branch)'              # git branch brown
PS1+='\[\e[31m\]$(propmt_dirt)'             # git status red
PS1+='\[\e[33m\]$(prompt_closingBracket)\n' # git closing bracket brown
PS1+='\[\e[32m\]└─>'                        # next line indicator green
PS1+='\[\e[m\] '                            # end of prompt clear the color