#!/bin/bash

if [ "$#" -ne 2 ]; then
    printf "Usage: git-fork-sync <main_remote> <main_branch>"
    exit
fi

main_remote="$1"
main_branch="$2"

if git rev-parse --is-inside-work-tree >/dev/null 2>/dev/null; then
    printf "Trying to connect to remote %s...\n" "$main_remote"
	if git ls-remote --exit-code "$main_remote" >/dev/null 2>/dev/null; then
		git pull "$main_remote" "$main_branch"
        git push --force

        printf "\nSuccessfully resynced the forked repository.\n"
    else
        printf "\nRemote %s is unreachable for this repository.\nCheck if the name is correct and if it is, check if the remote url is correct.\n" "$main_remote"
    fi
else
    printf "You are currently not in a git repository."
fi