Fail build when jar download was unsuccessful

Author: marcphilipp

junit5-jupiter-starter-ant/build.sh

@@ -15,7 +15,7 @@ standalone_jar="${ant_folder}/lib/junit-platform-console-standalone-${junit_plat
 #
 if [ ! -d "${ant_folder}" ]; then
     echo "Downloading Ant $ant_version..."
-    curl --silent --show-error --remote-name "https://archive.apache.org/dist/ant/binaries/${ant_archive}"
+    curl --silent --show-error --fail --remote-name "https://archive.apache.org/dist/ant/binaries/${ant_archive}"
     tar --extract -z --exclude "${ant_folder}/manual" --file "${ant_archive}"
 fi
 
@@ -24,7 +24,7 @@ fi
 #
 if [ ! -f "${standalone_jar}" ]; then
     echo "Downloading junit-platform-console-standalone $junit_platform_version..."
-    curl --silent --show-error "https://repo1.maven.org/maven2/org/junit/platform/junit-platform-console-standalone/${junit_platform_version}/junit-platform-console-standalone-${junit_platform_version}.jar" \
+    curl --silent --show-error --fail "https://repo1.maven.org/maven2/org/junit/platform/junit-platform-console-standalone/${junit_platform_version}/junit-platform-console-standalone-${junit_platform_version}.jar" \
          --output "${standalone_jar}"
 fi