gitmod

#!/bin/bash

cmd=$(basename $0)

usageStr="$cmd helps view or revert uncommitted file changes in git repo.

Usage: $cmd [-h] [-d path]
-h      - Optional; Displays this help message and exits
-d path - Optional; Filters modified files/folders using given path
NOTE: If user just presses <ENTER>, $cmd goes to next modified file
"

[ "$1" == "-h" ] && printf "${usageStr}" && exit 0

[ "$1" == "-d" ] && dir="$2" && dir="${dir#./}" || dir=""

_gitmod_act()
{
	local f=${@}
	while true; do
		read -p "*********** ${f} o(open diff & file) u(undo) x(exit): " op
		case $op in
			o) vim -R <(git diff ${f}) -O ${f} -c "wincmd l | set noreadonly" ;;
			u) git checkout "${f}" ; break ;;
			x) rm -rf ${modlist} && exit 0 ;;
			*) break ;;
		esac
	done
}

modlist=/tmp/git-mod-file.lst
git diff --name-only > ${modlist}

while read -r line <&3; do
	file="$(echo ${line} | awk '{print $1}')"
	[ -n "${dir}" ] && [[ "${file}" != *${dir}* ]] && continue
	_gitmod_act "$file"
done 3<${modlist}

rm -rf ${modlist}

exit 0