Change triggered by none of the following:

This git repo (https://github.com/googleapis/java-gcloud-maven-plugin.git)

.kokoro/build.sh

@@ -20,17 +20,22 @@ scriptDir=$(realpath $(dirname "${BASH_SOURCE[0]}"))
 ## cd to the parent directory, i.e. the root of the git repo
 cd ${scriptDir}/..
 
+# include common functions
+source ${scriptDir}/common.sh
+
 # Print out Java version
 java -version
 echo ${JOB_TYPE}
 
-mvn install -B -V \
-  -DskipTests=true \
-  -Dclirr.skip=true \
-  -Denforcer.skip=true \
-  -Dmaven.javadoc.skip=true \
-  -Dgcloud.download.skip=true \
-  -T 1C
+# attempt to install 3 times with exponential backoff (starting with 10 seconds)
+retry_with_backoff 3 10 \
+  mvn install -B -V \
+    -DskipTests=true \
+    -Dclirr.skip=true \
+    -Denforcer.skip=true \
+    -Dmaven.javadoc.skip=true \
+    -Dgcloud.download.skip=true \
+    -T 1C
 
 # if GOOGLE_APPLICATION_CREDIENTIALS is specified as a relative path prepend Kokoro root directory onto it
 if [[ ! -z "${GOOGLE_APPLICATION_CREDENTIALS}" && "${GOOGLE_APPLICATION_CREDENTIALS}" != /* ]]; then

.kokoro/common.sh

@@ -0,0 +1,44 @@
+#!/bin/bash
+# Copyright 2020 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# set -eo pipefail
+
+function retry_with_backoff {
+    attempts_left=$1
+    sleep_seconds=$2
+    shift 2
+    command=$@
+
+    echo "${command}"
+    ${command}
+    exit_code=$?
+
+    if [[ $exit_code == 0 ]]
+    then
+        return 0
+    fi
+
+    # failure
+    if [[ ${attempts_left} > 0 ]]
+    then
+        echo "failure (${exit_code}), sleeping ${sleep_seconds}..."
+        sleep ${sleep_seconds}
+        new_attempts=$((${attempts_left} - 1))
+        new_sleep=$((${sleep_seconds} * 2))
+        retry_with_backoff ${new_attempts} ${new_sleep} ${command}
+    fi
+
+    return $exit_code
+}

.kokoro/dependencies.sh

@@ -15,7 +15,13 @@
 
 set -eo pipefail
 
-cd github/java-gcloud-maven-plugin/
+## Get the directory of the build script
+scriptDir=$(realpath $(dirname "${BASH_SOURCE[0]}"))
+## cd to the parent directory, i.e. the root of the git repo
+cd ${scriptDir}/..
+
+# include common functions
+source ${scriptDir}/common.sh
 
 # Print out Java
 java -version
@@ -24,8 +30,9 @@ echo $JOB_TYPE
 export MAVEN_OPTS="-Xmx1024m -XX:MaxPermSize=128m"
 
 # this should run maven enforcer
-mvn install -B -V \
-  -DskipTests=true \
-  -Dclirr.skip=true
+retry_with_backoff 3 10 \
+  mvn install -B -V \
+    -DskipTests=true \
+    -Dclirr.skip=true
 
 mvn -B dependency:analyze -DfailOnWarning=true

.kokoro/linkage-monitor.sh

@@ -17,18 +17,26 @@ set -eo pipefail
 # Display commands being run.
 set -x
 
-cd github/java-gcloud-maven-plugin/
+## Get the directory of the build script
+scriptDir=$(realpath $(dirname "${BASH_SOURCE[0]}"))
+## cd to the parent directory, i.e. the root of the git repo
+cd ${scriptDir}/..
+
+# include common functions
+source ${scriptDir}/common.sh
 
 # Print out Java version
 java -version
 echo ${JOB_TYPE}
 
-mvn install -B -V \
-  -DskipTests=true \
-  -Dclirr.skip=true \
-  -Denforcer.skip=true \
-  -Dmaven.javadoc.skip=true \
-  -Dgcloud.download.skip=true
+# attempt to install 3 times with exponential backoff (starting with 10 seconds)
+retry_with_backoff 3 10 \
+  mvn install -B -V \
+    -DskipTests=true \
+    -Dclirr.skip=true \
+    -Denforcer.skip=true \
+    -Dmaven.javadoc.skip=true \
+    -Dgcloud.download.skip=true
 
 # Kokoro job cloud-opensource-java/ubuntu/linkage-monitor-gcs creates this JAR
 JAR=linkage-monitor-latest-all-deps.jar

pom.xml

@@ -93,7 +93,7 @@
     <dependency>
       <groupId>org.apache.commons</groupId>
       <artifactId>commons-compress</artifactId>
-      <version>1.20</version>
+      <version>1.19</version>
     </dependency>
 
     <dependency>

renovate.json

@@ -56,7 +56,9 @@
     },
     {
       "packagePatterns": [
-        "^com.google.cloud:libraries-bom"
+        "^com.google.cloud:google-cloud-gcloud-maven-plugin",
+        "^com.google.cloud:libraries-bom",
+        "^com.google.cloud.samples:shared-configuration"
       ],
       "semanticCommitType": "chore",
       "semanticCommitScope": "deps"
@@ -75,4 +77,4 @@
     }
   ],
   "semanticCommits": true
-}
+}

synth.metadata

@@ -1,11 +1,11 @@
 {
-  "updateTime": "2020-03-17T19:21:30.419256Z",
+  "updateTime": "2020-03-25T23:36:05.133138Z",
   "sources": [
     {
-      "template": {
-        "name": "java_library",
-        "origin": "synthtool.gcp",
-        "version": "2020.2.4"
+      "git": {
+        "name": "synthtool",
+        "remote": "https://github.com/googleapis/synthtool.git",
+        "sha": "e36822bfa0acb355502dab391b8ef9c4f30208d8"
       }
     }
   ]

synth.py

@@ -14,10 +14,11 @@
 
 """This script is used to synthesize generated parts of this library."""
 
-import synthtool.languages.java as java
+import synthtool as s
+import synthtool.gcp as gcp
 
-AUTOSYNTH_MULTIPLE_COMMITS = True
-
-java.common_templates(excludes=[
+common_templates = gcp.CommonTemplates()
+templates = common_templates.java_library()
+s.copy(templates, excludes=[
   'README.md',
 ])