#!/bin/bash

set -e

filter () {
    FILTER_RESULT=""
    for app in $1; do
        if echo " $2 " | grep -v " $app " > /dev/null; then
            FILTER_RESULT="$FILTER_RESULT $app"
        fi
    done
}

ALL_APPLICATIONS=$(ls -d -1 lib/*/ | sed 's:^lib\|/::g')
echo "All applications: $ALL_APPLICATIONS" |tr '\n' ' ' && echo ""

BASE_PLT="compiler crypto erts hipe kernel stdlib syntax_tools"
APP_PLT="asn1 edoc et ftp inets mnesia observer public_key sasl runtime_tools snmp ssl tftp wx xmerl tools"
NO_UNMATCHED="common_test debugger edoc eunit ftp inets mnesia observer reltool ssh ssl syntax_tools tftp wx xmerl"
WARNINGS="diameter megaco snmp"

TRAVIS_SKIP=""
if [ "X$TRAVIS" = "Xtrue" ]; then
   TRAVIS_SKIP="common_test eldap erl_docgen odbc eunit reltool os_mon diameter megaco snmp"
fi

filter "$ALL_APPLICATIONS" "$NO_UNMATCHED $WARNINGS $TRAVIS_SKIP"
UNMATCHED=$FILTER_RESULT
filter "$APP_PLT" "$TRAVIS_SKIP"
APP_PLT=$FILTER_RESULT
filter "$NO_UNMATCHED" "$TRAVIS_SKIP"
NO_UNMATCHED=$FILTER_RESULT
filter "$WARNINGS" "$TRAVIS_SKIP"
WARNINGS=$FILTER_RESULT

echo "UNMATCHED = $UNMATCHED"
echo "NO_UNMATCHED = $NO_UNMATCHED"
echo "WARNINGS = $WARNINGS"

set -x

$ERL_TOP/bin/dialyzer --build_plt -Wunknown --apps $BASE_PLT $APP_PLT --statistics
$ERL_TOP/bin/dialyzer -n -Wunknown -Wunmatched_returns --apps $UNMATCHED --statistics
$ERL_TOP/bin/dialyzer -n -Wunknown --apps $NO_UNMATCHED --statistics
if [ "X$WARNINGS" != "X" ]; then
    $ERL_TOP/bin/dialyzer -n --apps $WARNINGS --statistics || true
fi