Make travis to use maven wrapper, too

refs #377

.travis.yml

@@ -9,9 +9,7 @@ language: java
 jdk: oraclejdk8
 before_install:
   - bash .travis/setup-secrets.sh
-  - bash .travis/install-configure-maven.sh
-  - export M2_HOME=$HOME/apache-maven-3.3.9
-  - export PATH=$HOME/apache-maven-3.3.9/bin:${PATH}
+  - bash .travis/configure-maven.sh
 install: true
 before_script: true
 script:

.travis/build-pull-request.sh

@@ -1,3 +1,3 @@
 #!/bin/bash
 set -ev
-mvn verify -B -V
+./mvnw verify -B -V

.travis/build-push.sh

@@ -1,18 +1,18 @@
 #!/bin/bash
 set -ev
 
-VERSION=$(mvn -q -Dexec.executable="echo" -Dexec.args='${project.version}' --non-recursive org.codehaus.mojo:exec-maven-plugin:1.5.0:exec)
+VERSION=$(./mvnw -q -Dexec.executable="echo" -Dexec.args='${project.version}' --non-recursive org.codehaus.mojo:exec-maven-plugin:1.5.0:exec)
 echo "Building PMD ${VERSION} on branch ${TRAVIS_BRANCH}"
 
 if [[ "$VERSION" != *-SNAPSHOT && "$TRAVIS_TAG" != "" ]]; then
     # release build
-    mvn deploy -Possrh,pmd-release -B -V
+    ./mvnw deploy -Possrh,pmd-release -B -V
 elif [[ "$VERSION" == *-SNAPSHOT ]]; then
     # snapshot build
-    mvn deploy -Possrh -B -V
+    ./mvnw deploy -Possrh -B -V
 else
     # other build. Can happen during release: the commit with a non snapshot version is built, but not from the tag.
-    mvn verify -Possrh -B -V
+    ./mvnw verify -Possrh -B -V
     # we stop here - no need to execute further steps
     exit 0
 fi

.travis/build-site.sh

@@ -8,7 +8,7 @@ export PING_PID_FILE=/tmp/build-site-ping.pid
 source .travis/background-job-funcs.sh
 
 # Run the build, redirect output into the file
-mvn site site:stage -Psite -B -V >> $BUILD_OUTPUT 2>&1
+./mvnw site site:stage -Psite -B -V >> $BUILD_OUTPUT 2>&1
 
 # The build finished without returning an error so dump a tail of the output
 dump_output

.travis/build-sonar.sh

@@ -8,7 +8,7 @@ export PING_PID_FILE=/tmp/build-sonar-ping.pid
 source .travis/background-job-funcs.sh
 
 # Run the build, redirect output into the file
-mvn clean org.jacoco:jacoco-maven-plugin:prepare-agent package sonar:sonar -Dsonar.host.url=https://sonarqube.com -Dsonar.login=${SONAR_TOKEN} -B -V >> $BUILD_OUTPUT 2>&1
+./mvnw clean org.jacoco:jacoco-maven-plugin:prepare-agent package sonar:sonar -Dsonar.host.url=https://sonarqube.com -Dsonar.login=${SONAR_TOKEN} -B -V >> $BUILD_OUTPUT 2>&1
 
 # The build finished without returning an error so dump a tail of the output
 dump_output

.travis/configure-maven.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+set -ev
+
+echo "MAVEN_OPTS='-Xms1g -Xmx1g'" > $HOME/.mavenrc
+mkdir -p .m2
+cp .travis/travis-toolchains.xml $HOME/.m2/toolchains.xml
+cp .travis/travis-settings.xml $HOME/.m2/settings.xml

.travis/install-configure-maven.sh

@@ -1,15 +0,0 @@
-#!/bin/bash
-set -ev
-
-# remember the current directory
-SOURCE_HOME=$PWD
-
-cd $HOME
-wget -q http://www-us.apache.org/dist/maven/maven-3/3.3.9/binaries/apache-maven-3.3.9-bin.tar.gz
-tar zxf apache-maven-3.3.9-bin.tar.gz
-chmod +x apache-maven-3.3.9/bin/mvn
-
-echo "MAVEN_OPTS='-Xms1g -Xmx1g'" > .mavenrc
-mkdir -p .m2
-cp $SOURCE_HOME/.travis/travis-toolchains.xml .m2/toolchains.xml
-cp $SOURCE_HOME/.travis/travis-settings.xml .m2/settings.xml

.travis/release.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 set -ev
 
-RELEASE_VERSION=$(mvn -q -Dexec.executable="echo" -Dexec.args='${project.version}' --non-recursive org.codehaus.mojo:exec-maven-plugin:1.5.0:exec)
+RELEASE_VERSION=$(./mvnw -q -Dexec.executable="echo" -Dexec.args='${project.version}' --non-recursive org.codehaus.mojo:exec-maven-plugin:1.5.0:exec)
 
 # Deploy to ossrh has already been done with the usual build. See build-push.sh
 

do-release.sh

@@ -21,7 +21,7 @@ echo "Releasing PMD"
 echo "-------------------------------------------"
 
 # see also https://gist.github.com/pdunnavant/4743895
-CURRENT_VERSION=$(mvn -q -Dexec.executable="echo" -Dexec.args='${project.version}' --non-recursive org.codehaus.mojo:exec-maven-plugin:1.5.0:exec)
+CURRENT_VERSION=$(./mvnw -q -Dexec.executable="echo" -Dexec.args='${project.version}' --non-recursive org.codehaus.mojo:exec-maven-plugin:1.5.0:exec)
 RELEASE_VERSION=${CURRENT_VERSION%-SNAPSHOT}
 CURRENT_BUILD_NUMBER=$(echo ${RELEASE_VERSION} | sed -e 's/[0-9]*\.//g')
 NEXT_BUILD_NUMBER=$(expr ${CURRENT_BUILD_NUMBER} + 1)
@@ -68,7 +68,7 @@ git commit -a -m "Prepare pmd release ${RELEASE_VERSION}"
     git push
 )
 
-mvn -B release:clean release:prepare \
+./mvnw -B release:clean release:prepare \
     -Dtag=pmd_releases/${RELEASE_VERSION} \
     -DreleaseVersion=${RELEASE_VERSION} \
     -DdevelopmentVersion=${DEVELOPMENT_VERSION}