trigger:
- release

pr: none

pool:
  vmImage: "ubuntu-latest"

variables:
  VERSION:

jobs:
   - job: check_all_dependencies_are_releases
     timeoutInMinutes: 5
     steps:
       - task: Maven@4
         inputs:
           mavenPomFile: 'pom.xml'
           options: '-DcheckForSnapshotDependencies'
           javaHomeOption: 'JDKVersion'
           jdkVersionOption: '1.11'
           jdkArchitectureOption: 'x64'
           publishJUnitResults: false
           goals: 'enforcer:enforce'
   - job: check_release_notes
     timeoutInMinutes: 5
     steps:
        - task: Bash@3
           # Checks if the release notes file is populated. Exits if it is not.
          inputs:
             targetType: 'inline'
             script: |
                if [ -n "$(cmp RELEASE_NOTES.md RELEASE_NOTES.template.md)" ]
                then
                    echo "RELEASE_NOTES.md has changed, proceeding to next step"
                else
                    echo "Your RELEASE_NOTES.md file is unchanged. Please provide release notes before creating a release."
                    exit 1
                fi
          displayName: Checks if the release notes file is populated.
   - job: get_release_version
     timeoutInMinutes: 5
     steps:
        - task: PowerShell@2
           # This task pulls the <version> value from the hapi-fhir project pom.xml file. All modules are released as
           # the same version, at the same time, as defined in the root level pom.xml.
          inputs:
             targetType: 'inline'
             script: |
                [xml]$pomXml = Get-Content -Path .\pom.xml
                # version
                Write-Host $pomXml.project.version
                $VERSION=$pomXml.project.version
                Write-Host "##vso[task.setvariable variable=version_from_pom;isOutput=true;]$VERSION"
          displayName: Save pom file version to local variable.
          name: setOutput
        - task: Bash@3
           # Prints out the build version, for debugging purposes
          inputs:
             targetType: 'inline'
             script: |
                echo Pulled version from pom.xml => $(setOutput.version_from_pom)
          displayName: Debug print release version
        - task: Bash@3
          # Azure pipelines cannot pass variables between pipelines, but it can pass files, so we
          # pass the build id (ex: 1.1.13-SNAPSHOT) as a string in a file. 
          # This is used in the release pipeline, so we create it here.
          inputs:
             targetType: 'inline'
             script: |
                echo $(setOutput.version_from_pom)
                VERSION=$(setOutput.version_from_pom)
                echo "$VERSION" > $(System.DefaultWorkingDirectory)/VERSION
          displayName: Save Release Version to File
        - task: CopyFiles@2
          # Copies the VERSION file containing the build id (ex: 1.1.13-SNAPSHOT) to the staging directory
          # This is done for release versions only.
          inputs:
            SourceFolder: '$(System.Defaultworkingdirectory)'
            Contents: "$(System.DefaultWorkingDirectory)/VERSION"
            TargetFolder: '$(build.artifactstagingdirectory)'
          displayName: 'Copy Files to: $(build.artifactstagingdirectory)'
        - task: PublishBuildArtifacts@1
          displayName: 'Publish Build Artifacts'
          inputs:
            PathtoPublish: '$(build.artifactstagingdirectory)'
   - job: get_branch_id
     timeoutInMinutes: 5
     steps:
        - task: PowerShell@2
           # This task pulls the branch name from the azure build environment and sets as a job-level variable.
          inputs:
             targetType: 'inline'
             script: |
                $BRANCH = '$(Build.SourceBranchName)'
                Write-Host "##vso[task.setvariable variable=branch_name]$BRANCH"
          displayName: Save branch name to local variable.
        - task: Bash@3
           # Prints out the branch name, for debugging purposes
          inputs:
             targetType: 'inline'
             script: echo Current branch name => $(branch_name)
          displayName: Print out the branch name.
        - task: Bash@3
           # Azure pipelines cannot pass variables between pipelines, but it can pass files, so we
           # pass the branch name (ex: rel_2022_05) as a string in a file.
           # This is used in the release pipeline, so we create it here.
          inputs:
             targetType: 'inline'
             script: |
                echo $(branch_name)
                BRANCH=$(branch_name)
                echo "$BRANCH" > $(System.DefaultWorkingDirectory)/BRANCH
          displayName: Save branch name to file.
        - task: CopyFiles@2
           # Copies the BRANCH file containing the pom version to the staging directory
          inputs:
             SourceFolder: '$(System.Defaultworkingdirectory)'
             Contents: "$(System.DefaultWorkingDirectory)/BRANCH"
             TargetFolder: '$(build.artifactstagingdirectory)'
          displayName: Copy the branch name file to the artifact staging directory.
            # Publishes the files we've moved into the staging directory, so they can be accessed by the
            # release pipeline.
        - task: PublishBuildArtifacts@1
          displayName: 'Publish Build Artifacts'
          inputs:
            PathtoPublish: '$(build.artifactstagingdirectory)'
   - job: build_and_publish_artifacts
      # We're going to do a full build, including all unit and intergration tests. We do this here, before any
      # actual release pipeline kicks off, and we don't do it again at any point in the release pipeline. The assumption here
      # is that once we pull the code, it won't change again on this branch until the release is complete. We
      # want to fail fast if there is an issue, and avoid running the tests more than once so it doesn't take all day.
     timeoutInMinutes: 360
     dependsOn: ['get_release_version', 'get_branch_id', 'check_release_notes', 'check_all_dependencies_are_releases']
     variables:
       version_from_pom: $[ dependencies.get_release_version.outputs['setOutput.version_from_pom'] ]
     steps:
        # Runs 'mvn clean package'
        - task: Maven@4
          inputs:
            mavenPomFile: 'pom.xml'
            mavenOptions: '-Xmx768m -Dmaven.resolver.transport=wagon'
            javaHomeOption: 'JDKVersion'
            jdkVersionOption: '1.11'
            jdkArchitectureOption: 'x64'
            publishJUnitResults: true
            testResultsFiles: '**/surefire-reports/TEST-*.xml'
            goals: 'package'
        # Publishes the built Validator jar to build artifacts. Primarily for testing and debugging builds.
        - task: PublishPipelineArtifact@1
          displayName: 'Publish Validator jar'
          inputs:
            targetPath: "$(System.DefaultWorkingDirectory)/org.hl7.fhir.validation/target/org.hl7.fhir.validation-$(version_from_pom).jar"
            artifactName: Validator
        # Publishes the files we've moved into the staging directory, so they can be accessed by the
        # release pipeline.
        - task: PublishBuildArtifacts@1
          displayName: 'Publish Build Artifacts'
          inputs:
              PathtoPublish: '$(build.artifactstagingdirectory)'