#!/bin/sh

# log into out file
exe=$(basename "$0")
echo "$exe" $* >> "$GINSTALL_OUT_FILE"

# simple cmdline parser
for i in "$@"; do
  if [ "$i" == "-q" ]; then
    continue
  elif [ "$i" == "-r" ]; then
    read=1
  elif [ "$i" == "-w" ]; then
    write=1
  else
    attr_val="$i"
  fi
done

IFS='=' read attr val <<< "$attr_val"

GINSTALL_ATTR_FILE="${GINSTALL_HNVRAM_DIR}/${attr}"

if [ -n "$write" ]; then
  echo -n "$val" > "$GINSTALL_ATTR_FILE"
elif [ -n "$read" ]; then
  if [ ! -r "$GINSTALL_ATTR_FILE" ]; then
    exit 1
  else
    cat "$GINSTALL_ATTR_FILE"
  fi
fi

if [ ! -z "$GINSTALL_TEST_FAIL" ]; then
  exit 1
fi

exit 0