#!/bin/sh

to_grep()
{
  ls | grep -v db | grep -v logs
}

contains_merge_marks()
{
  local files=$*
  local mark
  for mark in '^<<<<<<<' '^=======$' '^>>>>>>>'; do
    if grep -qrls $mark $files; then
      grep -rls $mark $files | sed 's,^,!!! Contains merge conflicts: ,';
      exit 1
    fi
  done
}

contains_merge_marks $(to_grep)