Double-quote variables used in command arguments in Bash

build.sh

@@ -2,4 +2,4 @@
 
 ./stop.sh
 
-./gradlew build $*
+./gradlew build "$@"

sonar-ws-generator/run.sh

@@ -3,7 +3,7 @@ set -euo pipefail
 
 SCRIPTPATH="$( cd "$(dirname "$0")" ; pwd -P )"
 
-pushd $SCRIPTPATH/..
+pushd "$SCRIPTPATH"/..
 pwd
 ./gradlew :sonar-ws-generator:build :sonar-ws-generator:fatJar
 popd

travis.sh

@@ -41,7 +41,7 @@ BUILD)
   -Dsonar.projectKey=org.sonarsource.sonarqube:sonarqube \
   -Dsonar.organization=sonarsource \
   -Dsonar.host.url=https://sonarcloud.io \
-  -Dsonar.login=$SONAR_TOKEN
+  -Dsonar.login="$SONAR_TOKEN"
   ;;
 
 WEB_TESTS)