git branch.bash

# git command autocompletion script
# https://github.com/git/git/blob/master/contrib/completion/git-completion.bash
test -f ~/.git-completion.bash && . $_
# test -f ~/.git-prompt.sh && . $_

# git commamands simplified
alias glg='git log --date-order --graph --format="%C(green)%h%Creset %C(blue bold)%ar%Creset %C(red bold)%d%Creset%s"'
alias glgd='git log --date-order --graph --date=short --format="%C(green)%h%Creset %C(blue bold)%cd%Creset %C(red bold)%d%Creset%s"'
alias glga='git log --date-order --graph --format="%C(green)%h%Creset
%C(yellow)%an %ae %Creset %C(blue bold)%ar%Creset %C(red bold)%d%Creset%s"'
alias glg2='git log --date-order --all --graph --format="%C(green)%h%Creset %C(blue bold)%aD%Creset %C(red bold)%d%Creset%s"'
alias glb='glg --branches'
alias gs='git status'
alias ga='git add'
alias gb='git branch'
alias gchk='git checkout'
alias gremotes='git remote -v'
alias gbranches='git branch -a'
alias gcomm='git commit'
alias gdiff='git diff'
alias gdiffs='git diff --staged'
alias gpush='git push'
alias gfetch='git fetch'
alias gmerge='git merge'
alias gsub='git submodule'
alias glp='git log --pretty=format:"%C(blue bold)%an %C(green)%h% %C(yellow)d% %C(red)%s"'

# git alias autocompletion
__git_complete gchk _git_checkout
__git_complete ga _git_add
__git_complete gb _git_branch
__git_complete gpush _git_push
__git_complete gfetch _git_fetch
__git_complete gmerge _git_merge
__git_complete gcomm _git_commit



# get current branch in git repo
function parse_git_branch() {
	BRANCH=`git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/\1/'`
	if [ ! "${BRANCH}" == "" ]
	then
		STAT=`parse_git_dirty`
		echo "[${BRANCH}${STAT}]"
	else
		echo ""
	fi
}

# get current status of git repo
function parse_git_dirty {
	status=`git status 2>&1 | tee`
	dirty=`echo -n "${status}" 2> /dev/null | grep "modified:" &> /dev/null; echo "$?"`
	untracked=`echo -n "${status}" 2> /dev/null | grep "Untracked files" &> /dev/null; echo "$?"`
	ahead=`echo -n "${status}" 2> /dev/null | grep "Your branch is ahead of" &> /dev/null; echo "$?"`
	newfile=`echo -n "${status}" 2> /dev/null | grep "new file:" &> /dev/null; echo "$?"`
	renamed=`echo -n "${status}" 2> /dev/null | grep "renamed:" &> /dev/null; echo "$?"`
	deleted=`echo -n "${status}" 2> /dev/null | grep "deleted:" &> /dev/null; echo "$?"`
	bits=''
	if [ "${renamed}" == "0" ]; then
		bits=">${bits}"
	fi
	if [ "${ahead}" == "0" ]; then
		bits="*${bits}"
	fi
	if [ "${newfile}" == "0" ]; then
		bits="+${bits}"
	fi
	if [ "${untracked}" == "0" ]; then
		bits="?${bits}"
	fi
	if [ "${deleted}" == "0" ]; then
		bits="x${bits}"
	fi
	if [ "${dirty}" == "0" ]; then
		bits="!${bits}"
	fi
	if [ ! "${bits}" == "" ]; then
		echo " ${bits}"
	else
		echo ""
	fi
}

# prompt coloring
export PS1="\[\e[33m\]\t\[\e[m\]-\[\e[31m\]\\$\[\e[m\]\[\e[36m\]\W\[\e[m\]\[\e[35m\]\`parse_git_branch\`\[\e[m\] "