diskimage-builder/elements/ramdisk/post-install.d/01-ensure-binaries

#!/bin/bash
# Ensure that all binaries listed in ramdisk elements, exist

set -e
set -x

export TARGET_DIR="/tmp/in_target.d/"

if [ -z $TARGET_DIR ] ; then
  echo "Target dir not specified"
  exit 1
fi

if [ ! -d $TARGET_DIR ] ; then
  echo "Unable to find specified directory in target: $TARGET_DIR"
  bash
  exit 1
fi

BINARY_DEPS=

for _FILE in $(ls ${TARGET_DIR}/binary-deps.d/) ; do
  _FILE="${TARGET_DIR}/binary-deps.d/${_FILE}"
  if [ -a $_FILE ]; then
    for _LINE in $(cat $_FILE) ; do
      BINARY_DEPS="${BINARY_DEPS} $_LINE"
    done
  fi
done

for _BIN in $BINARY_DEPS ; do
  _LOCATION=$(which "$_BIN" || echo "")
  if [ -z "$_LOCATION" ]; then
    echo "$_BIN is not found in PATH. Please ensure your elements install it"
    exit 1
  fi
done

if [ "$BINARY_DEPS" == "" ]; then
  echo "No binary-deps found"
else
  DEPS_OUTPUT="/etc/dib_binary_deps"
  echo "Creating binary_deps record at: ${DEPS_OUTPUT}"
  echo "$BINARY_DEPS" >${DEPS_OUTPUT}
fi