#!/bin/bash

CURRENT_PATH="$PWD"
GIT_PATH="$(git rev-parse --show-toplevel)"

cd $GIT_PATH
GIT_PATH="$PWD"

IFS=$'\n' FILES=($(git diff --name-only --diff-filter=U --relative))

cnt=${#FILES[@]}
for ((i=0;i<cnt;i++)); do
   FILES[i]=$(realpath --relative-to "$CURRENT_PATH" "${GIT_PATH}/${FILES[i]}")
done

cd $CURRENT_PATH

echo "${FILES[*]}" \
   | fzf --ansi --preview 'bat -n $(echo {})' \
   | cut -d ":" -f1