Use curl instead of maven wagon

Ajay Kannan · Ajay Kannan · commit 9a1ffbd1124d · 2016-04-07T17:35:25.000-07:00
diff --git a/utilities/after_success.sh b/utilities/after_success.sh
@@ -19,11 +19,11 @@ if [ "${TRAVIS_JDK_VERSION}" == "oraclejdk7" ]; then
         fi
         if [ "${SITE_VERSION##*-}" != "SNAPSHOT" ]; then
             # Deploy Maven artifacts (if they don't exist yet) and update artifact version in READMEs.
-            ARTIFACT_EXISTS=$(mvn wagon:exist -Dwagon.url=https://oss.sonatype.org/content/repositories/releases/com/google/gcloud/gcloud-java/$SITE_VERSION)
-            if [[ "$ARTIFACT_EXISTS" == *"does not exists."* -a "$ARTIFACT_EXISTS" != "" ]]; then
-                mvn clean deploy -DskipITs --settings ~/.m2/settings.xml -P sign-deploy
+            URL=https://oss.sonatype.org/content/repositories/releases/com/google/gcloud/gcloud-java/$SITE_VERSION
+            if curl --output /dev/null --silent --head --fail "$URL"; then
+                echo "Not deploying artifacts because it seems like they already exist."                
             else
-                echo "Not deploying artifacts because it seems like they already exist."
+                mvn clean deploy -DskipITs --settings ~/.m2/settings.xml -P sign-deploy
             fi
             utilities/update_docs_version.sh
 
