#!/usr/bin/env sh

######################################################################
# @author      : swytch
# @file        : dot
# @license     : GPLv3
# @created     : Wednesday May 20, 2020 18:13:05 CEST
#
# @description : git wrapper for dotfiles management
######################################################################

flags="false"
for arg in $@
do
	case $arg in
		--*) ;;
		-*) [ "$flags" = "true" ] &&  flags="error" && break || flags="true" ;;
	esac
done

[ "$flags" = "error" ] && echo "error: only one flag permitted" && exit 1

git="/usr/bin/git --git-dir=$DOTFILES --work-tree=$HOME"

case $1 in
	-*)
		[ "$1" = "-l" ] && cmd="$git log" && break
		[ "$1" = "-lg" ] && cmd="$git log --graph --format=short" && break
		[ "$1" = "-c" ] && shift && cmd="$git commit $@" && break
		[ "$1" = "-ca" ] && cmd="$git commit -a" && break
		[ "$1" = "-cas" ] && shift && cmd="$git commit -S --amend $@" && break
		[ "$1" = "-ch" ] && shift && cmd="$git checkout $@" && break
		[ "$1" = "-mv" ] && shift && cmd="$git mv $@" && break
		[ "$1" = "-ps" ] && shift && cmd="$git push $@" && break
		[ "$1" = "-pl" ] && cmd="$git pull" && break
		[ "$1" = "-a" ] && shift && cmd="$git add $@" && break
		[ "$1" = "-b" ] && shift && cmd="$git branch $@" && break
		[ "$1" = "-s" ] && shift && cmd="$git show $@" && break
		[ "$1" = "-rm" ] && shift && cmd="$git rm --cached $@" && break
		[ "$1" = "-rb" ] && shift && cmd="$git rebase $@" && break
		[ "$1" = "-rbi" ] && shift && cmd="$git rebase -i $@" && break
		[ "$1" = "-rs" ] && shift && cmd="$git reset --soft $@" && break
		[ "$1" = "-d" ] && shift && cmd="$git diff $@" && break
		if [ "$1" = "-m" ] ; then
			shift
			[ "$1" = "" ] && echo "Please provide a branche to merge into" && exit 1
			if [ "$1" != "-a" ] ; then
				while [ "$1" != "" ] ; do
					$git checkout $1 && $git merge dev
					shift
				done
			else
				branches="$(echo "$($git branch)" | sed -e 's/\*/ /;t')"
				for arg in $branches ; do
					[ "$arg" != "dev" ] && $git checkout $arg && $git merge dev
				done
			fi
			cmd="$git checkout dev"
		fi
		;;
	*)
		[ "$1" != "" ] && cmd="$git $@" || cmd="$git status"
		;;
esac

eval $cmd