#!/bin/sh
# Interact with sysrepo in a Buildroot setup

usage()
{
	cat <<EOF
usage:
  srop [opt] cmd [arg]

options:
  -e FEATURE     Enable feature in module
  -g GROUP       Module group for install/modify, e.g., wheel
  -m MODE        Module permissions for install/modify, e.g., 0660
  -o OWNER       Module owner for install/modify, e.g., root

commands:
  cat            Show default configuration
  help           This help text
  ls             List installed modules
  modify MOD     Modify (change/update) module, may use :ALL
  install MOD    Install module
  uninstall MOD  Uninstall module (force)

EOF
}

cleanup()
{
    rm -f /dev/shm/${SYSREPO_SHM_PREFIX}*
    exit 1
}

# Figure out if we're called from output/ or top directory
if [ -z "$O" ]; then
    if [ -f ".config" ] && [ -d "output" ]; then
	# Buildroot
	O=./output
    elif [ -f "output/.config" ]; then
	# BR2_EXTERNAL
	O=./output
    elif [ -f ".config" ] && [ -d "host" ]; then
	# Called from inside output/ directory
	O=.
    else
	echo "*** Error: cannot find Buildroot output dir!" >&2
	exit 1
    fi
fi

if [ -d "$O/host" ]; then
    HOST_DIR="$O/host"
else
    echo "*** Error: cannot find Buildroot host binaries dir!" >&2
    exit 1
fi

MOD="$O/target/usr/share/yang/modules/confd/"
CTL="$HOST_DIR/bin/sysrepoctl"
CFG="$HOST_DIR/bin/sysrepocfg"

while [ "$1" != "" ]; do
    case $1 in
	-e)
	    shift
	    features="$features -e $1"
	    ;;
	-g)
	    shift
	    group="-g $1"
	    ;;
	-o)
	    shift
	    owner="-o $1"
	    ;;
	-m)
	    shift
	    perms="-p $1"
	    ;;
	*)
	    break
	    ;;
    esac
    shift
done

cmd=$1
if [ -n "$cmd" ]; then
    shift
fi

trap cleanup INT TERM EXIT

# Trigger separate namespace for sysrepoctl cmds
export SYSREPO_SHM_PREFIX=sr_buildroot

case $cmd in
    cat)
	$CFG -X -f json
	;;
    help)
	usage
	;;
    dump)
	$CTL -h
	$CFG -h
	;;
    ls)
	$CTL -l
	;;
    install)
	if [ -f "$1" ]; then
	    M="$1"
	else
	    M="$MOD/$1"
	fi
	$CTL -i "$M" -s "$MOD" $perms $owner $group $features -v3
	;;
    modify)
	$CTL -c "$1" $perms $owner $group $features -v3
	;;
    uninstall)
	$CTL -u "$1" -f -v3
	;;
    *)
	echo "NOP"
	;;
esac