* Imported tools to dump information about files in a container.

The "dump-info" tool works only for Debian-based distro for now.

containers/simg-list-all-files.sh

@@ -0,0 +1,29 @@
+#!/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($0, len_ROOTX))
+                  next
+              }
+          '
+}
+
+_simg_list_all_files "$@"