Enhance CI pipeline

- Support for Pull Requests
- Display build status on commit
- Notify build results on slack
- Support for releasing to artifactory

Closes gh-771

ci/scripts/generate-release-notes.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+set -e
+
+source $(dirname $0)/common.sh
+
+version=$( cat version/version )
+
+milestone=${version%.RELEASE}
+
+java -jar /github-release-notes-generator.jar \
+  --releasenotes.github.username=${GITHUB_USERNAME} \
+  --releasenotes.github.password=${GITHUB_TOKEN} \
+  --releasenotes.github.organization=${GITHUB_ORGANIZATION} \
+  --releasenotes.github.repository=${GITHUB_REPO}  \
+  ${milestone} generated-release-notes/release-notes.md
+
+echo ${version} > generated-release-notes/version
+echo v${version} > generated-release-notes/tag

ci/scripts/promote.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+set -e
+
+source $(dirname $0)/common.sh
+
+buildName=$( cat artifactory-repo/build-info.json | jq -r '.buildInfo.name' )
+buildNumber=$( cat artifactory-repo/build-info.json | jq -r '.buildInfo.number' )
+groupId=$( cat artifactory-repo/build-info.json | jq -r '.buildInfo.modules[0].id' | sed 's/\(.*\):.*:.*/\1/' )
+version=$( cat artifactory-repo/build-info.json | jq -r '.buildInfo.modules[0].id' | sed 's/.*:.*:\(.*\)/\1/' )
+
+targetRepo="libs-release-local"
+
+echo "Promoting ${buildName}/${buildNumber} to ${targetRepo}"
+
+curl \
+	-s \
+	--connect-timeout 240 \
+	--max-time 900 \
+	-u ${ARTIFACTORY_USERNAME}:${ARTIFACTORY_PASSWORD} \
+	-H "Content-type:application/json" \
+	-d "{\"status\": \"staged\", \"sourceRepo\": \"libs-staging-local\", \"targetRepo\": \"${targetRepo}\"}"  \
+	-f \
+	-X \
+	POST "${ARTIFACTORY_SERVER}/api/build/promote/${buildName}/${buildNumber}" > /dev/null || { echo "Failed to promote" >&2; exit 1; }
+
+echo "Promotion complete"
+echo $version > version/version

ci/scripts/stage.sh

@@ -0,0 +1,39 @@
+#!/bin/bash
+set -e
+
+source $(dirname $0)/common.sh
+repository=$(pwd)/distribution-repository
+
+pushd git-repo > /dev/null
+git fetch --tags --all > /dev/null
+popd > /dev/null
+
+git clone git-repo stage-git-repo > /dev/null
+
+pushd stage-git-repo > /dev/null
+
+snapshotVersion=$( get_revision_from_pom )
+stageVersion=$( get_next_release $snapshotVersion)
+nextVersion=$( bump_version_number $snapshotVersion)
+echo "Staging $stageVersion (next version will be $nextVersion)"
+
+set_revision_to_pom "$stageVersion"
+git config user.name "Spring Buildmaster" > /dev/null
+git config user.email "buildmaster@springframework.org" > /dev/null
+git add pom.xml > /dev/null
+git commit -m"Release v$stageVersion" > /dev/null
+git tag -a "v$stageVersion" -m"Release v$stageVersion" > /dev/null
+
+./mvnw clean deploy -U -Pfull -DaltDeploymentRepository=distribution::default::file://${repository}
+
+git reset --hard HEAD^ > /dev/null
+if [[ $nextVersion != $snapshotVersion ]]; then
+	echo "Setting next development version (v$nextVersion)"
+	set_revision_to_pom "$nextVersion"
+	git add pom.xml > /dev/null
+	git commit -m"Next development version (v$nextVersion)" > /dev/null
+fi;
+
+echo "DONE"
+
+popd > /dev/null