Search the environment for the relative path

def find_file(path, tgt_env='base', **kwargs):  # pylint: disable=W0613
    '''
    Search the environment for the relative path
    '''
    fnd = {'path': '', 'rel': ''}
    if os.path.isabs(path):
        return fnd
    if tgt_env not in envs():
        return fnd
    if os.path.basename(path) == 'top.sls':
        log.debug(
            'minionfs will NOT serve top.sls '
            'for security reasons (path requested: %s)', path
        )
        return fnd

    mountpoint = salt.utils.url.strip_proto(__opts__['minionfs_mountpoint'])
    # Remove the mountpoint to get the "true" path
    path = path[len(mountpoint):].lstrip(os.path.sep)
    try:
        minion, pushed_file = path.split(os.sep, 1)
    except ValueError:
        return fnd
    if not _is_exposed(minion):
        return fnd
    full = os.path.join(
        __opts__['cachedir'], 'minions', minion, 'files', pushed_file
    )
    if os.path.isfile(full) \
            and not salt.fileserver.is_file_ignored(__opts__, full):
        fnd['path'] = full
        fnd['rel'] = path
        fnd['stat'] = list(os.stat(full))
        return fnd
    return fnd