#!/bin/bash

# Dumps all the filenames on the container.
# By default, run this on the root directory of the container.
# This tool does NOT assume that the root directory is "/"
# to allow access to sandbox _outside_ the container itself.
# All external mount points are ignored.

_simg_list_all_files () {
    local ROOT_DIR="${1:-.}"

    find "$ROOT_DIR" -mount \
        | sort  \
        | awk -v ROOT="$ROOT_DIR" '
              BEGIN {
                  ROOTX = ROOT
                  gsub(/\/+$/, "", ROOTX)
                  ROOTX = (ROOTX "/")
                  len_ROOTX = length(ROOTX)
              }
              $0 == ROOT { next }
              (substr($0, 1, len_ROOTX) == ROOTX) {
                  print(substr($0, len_ROOTX))
                  next
              }
          '
}

_simg_list_all_files "$@"