Fix ncat cmd and clean-up after SIGTERM

testproject.sh

@@ -9,6 +9,7 @@ DATABASE=$1
 DATABASEHOST=$2
 PORT=$3
 
+tmpLog=$(mktemp)
 psql="psql -h $DATABASEHOST -U postgres -d $DATABASE"
 psqlAdd="$psql -c 'insert into testtable values(1);'"
 psqlRemove="$psql -c 'delete from testtable where id = 1;'"
@@ -17,13 +18,21 @@ psqlCount="$psql -q -c 'select count(*) from testtable;'"
 # create db schema
 $psql -c 'create table if not exists testtable(id serial primary key);' || exit 1
 
-tmplog=$(mktemp)
 # listen and serve
-ncat -l $PORT -o $tmplog -k -c 'echo -e "HTTP/1.1 200 OK\n\n$('\
-'eval $psqlCount |head -3 |tail -n 1 |tr -d \"[:space:]\")"' &
+cmd=$psqlCount' |head -3 |tail -1 |tr -d "[:space:]"'
+cmd="echo \"HTTP/1.1 200 OK\n\n\"\$($cmd)"
+ncat -l $PORT -o $tmpLog -k -c "$cmd" &
+ncatPID=$!
 
-while inotifywait -qq -e close_write $tmplog; do
-  req=$(grep GET $tmplog |tail -1)
+function clean_up() {
+  kill $ncatPID
+  exit
+}
+# clean up child process first
+trap clean_up SIGHUP SIGINT SIGTERM
+
+while inotifywait -qq -e modify $tmpLog; do
+  req=$(grep GET $tmpLog |tail -1)
   remote=$(echo $req |cut -d' ' -f2 |cut -d@ -f2)
   if [[ $req =~ '/add' ]]; then
     if [[ "$remote" == "/add" ]]; then