Add perform-release.sh script file

Former-commit-id: 651f271

perform-release.sh

@@ -0,0 +1,39 @@
+#!/bin/bash
+set -eu
+
+if [[ $# < 3 ]]; then
+    echo "Usage: bash perform-release.sh release_version snapshot_version staging_repository"
+    exit 1
+fi
+
+RELEASE_VERSION=$1
+SNAPSHOT_VERSION=$2
+STAGING_REPOSITORY=$3
+
+echo "Releasing version $RELEASE_VERSION ($SNAPSHOT_VERSION) to repository $STAGING_REPOSITORY"
+echo "========================================================================================"
+
+if [[ ! -z $(git tag -l "deeplearning4j-$RELEASE_VERSION") ]]; then
+    echo "Error: Version $RELEASE_VERSION has already been released!"
+    exit 1
+fi
+
+sed -i "s/<nd4j.version>.*<\/nd4j.version>/<nd4j.version>$RELEASE_VERSION<\/nd4j.version>/" pom.xml
+sed -i "s/<datavec.version>.*<\/datavec.version>/<datavec.version>$RELEASE_VERSION<\/datavec.version>/" pom.xml
+mvn versions:set -DallowSnapshots=true -DgenerateBackupPoms=false -DnewVersion=$RELEASE_VERSION
+
+source change-scala-versions.sh 2.10
+mvn clean deploy -Dgpg.executable=gpg2 -DperformRelease -Psonatype-oss-release -DskipTests -DstagingRepositoryId=$STAGING_REPOSITORY
+source change-scala-versions.sh 2.11
+mvn clean deploy -Dgpg.executable=gpg2 -DperformRelease -Psonatype-oss-release -DskipTests -DstagingRepositoryId=$STAGING_REPOSITORY
+
+source change-scala-versions.sh 2.10
+git commit -a -m "Update to version $RELEASE_VERSION"
+git tag -a -m "deeplearning4j-$RELEASE_VERSION" "deeplearning4j-$RELEASE_VERSION"
+
+sed -i "s/<nd4j.version>.*<\/nd4j.version>/<nd4j.version>$SNAPSHOT_VERSION<\/nd4j.version>/" pom.xml
+sed -i "s/<datavec.version>.*<\/datavec.version>/<datavec.version>$SNAPSHOT_VERSION<\/datavec.version>/" pom.xml
+mvn versions:set -DallowSnapshots=true -DgenerateBackupPoms=false -DnewVersion=$SNAPSHOT_VERSION
+git commit -a -m "Update to version $SNAPSHOT_VERSION"
+
+echo "Successfully performed release of version $RELEASE_VERSION ($SNAPSHOT_VERSION) to repository $STAGING_REPOSITORY"