prerelease.yml

name: Prerelease

on:
  workflow_dispatch:
    inputs:
      release-as-patch:
        description: "Patch Release (default: Minor)"
        type: boolean
        default: false
      testacc-skip:
        description: "Skip Acceptance Tests"
        type: boolean
        default: false

concurrency:
  group: prerelease
  cancel-in-progress: false

permissions: write-all

jobs:
  test:
    name: Run Tests
    uses: ./.github/workflows/test.yml
    secrets: inherit

  testacc:
    if: ${{ !inputs.testacc-skip }}
    name: Run Acceptance Tests
    uses: ./.github/workflows/testacc.yml
    secrets: inherit

  prerelease:
    name: Prerelease
    if: always()
    needs:
      - test
      - testacc
    runs-on: ubuntu-latest
    steps:
      - uses: hashicorp/setup-terraform@v3

      - name: Checkout Repository
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          fetch-depth: 0
          token: ${{ secrets.HCP_SDK_PIPELINE_TOKEN }}

      - name: Setup Go
        uses: actions/setup-go@f111f3307d8850f501ac008e886eec1fd1932a34 # v5.3.0
        with:
          cache: true
          go-version-file: 'go.mod'
          cache-dependency-path: go.sum

      - name: Configure Git
        env:
          TOKEN: ${{ secrets.HCP_SDK_PIPELINE_TOKEN }}
        run: |
            git config --global advice.detachedHead false
            git config --global url."https://${TOKEN}:x-oauth-basic@github.com/".insteadOf "https://github.com/"
            git config user.name "hashicorp-cloud"
            git config user.email "hashicorp-cloud@hashicorp.com"

      - name: Install Dependencies
        env:
          GOPRIVATE: 'github.com/hashicorp/*'
        run: |
          go install github.com/hashicorp/go-changelog/cmd/changelog-build@522d403eacf1dca87cacec6dbc37fdfcda262d26
          go mod tidy

      - name: Check For Changes
        id: changes
        run: |
          CURRENT_VERSION=$(git describe --tags `git rev-list --tags --max-count=1`)
          DIFF_CONTENT=$(git diff $CURRENT_VERSION origin/main)
          if [[ $DIFF_CONTENT == "" ]]; then
            echo "There were no changes since the last release."
            echo "There were no changes since the last release." >> $GITHUB_STEP_SUMMARY
            echo "HAS_CHANGES=false" >> $GITHUB_OUTPUT
          else
            echo "There were changes since the last release."
            echo "HAS_CHANGES=true" >> $GITHUB_OUTPUT
            echo "CURRENT_VERSION=$CURRENT_VERSION" >> "$GITHUB_ENV"
          fi

      - name: Prepare Release
        if: steps.changes.outputs.HAS_CHANGES == 'true'
        env:
          GOPRIVATE: 'github.com/hashicorp/*'
          GITHUB_TOKEN: ${{ secrets.HCP_SDK_PIPELINE_TOKEN }}
          IS_PATCH: ${{ contains(inputs.release-as-patch, 'true') }}
        run: |
          CURRENT_VERSION_PARTS=(${CURRENT_VERSION//./ })
          MAJOR=${CURRENT_VERSION_PARTS[0]}
          MINOR=${CURRENT_VERSION_PARTS[1]}
          PATCH=${CURRENT_VERSION_PARTS[2]}

          if [[ $IS_PATCH == "true" ]]
          then
            PATCH=$((PATCH+1))
          else
            MINOR=$((MINOR+1))
            PATCH=0
          fi

          NEW_VERSION="${MAJOR}.${MINOR}.${PATCH}"
          echo "NEW_VERSION=$NEW_VERSION" >> "$GITHUB_ENV"

          echo "Current Version is: $CURRENT_VERSION"
          echo "New Version will be: $NEW_VERSION"
          echo "## Updating ${CURRENT_VERSION} to ${NEW_VERSION}" >> $GITHUB_STEP_SUMMARY

          echo "Generating CHANGELOG"
          GIT_COMMIT_SHA=$(git rev-parse HEAD)
          CHANGELOG=$(changelog-build -changelog-template .changelog/changelog.tmpl -note-template .changelog/note.tmpl -entries-dir .changelog/ -last-release ${CURRENT_VERSION} -this-release ${GIT_COMMIT_SHA})

          echo "## ${NEW_VERSION} Changelog" >> $GITHUB_STEP_SUMMARY
          if [[ $CHANGELOG == "" ]]; then
            echo "Changelog was empty. Add at least one changelog entry to \`.changelog/\`." >> $GITHUB_STEP_SUMMARY
            echo "Changelog was empty. Add at least one changelog entry to \`.changelog/\`. Exiting."
            exit 1
          fi
          echo -e "${CHANGELOG}" >> $GITHUB_STEP_SUMMARY

          DATE=$(date '+%B %d, %Y')
          mv CHANGELOG.md OLD-CHANGELOG.md
          echo -e "## ${NEW_VERSION} (${DATE})\n${CHANGELOG}" > CHANGELOG.md
          cat OLD-CHANGELOG.md >> CHANGELOG.md
          rm -f OLD-CHANGELOG.md
          git add CHANGELOG.md
          git commit -m 'updated CHANGELOG.md'

          echo "Updating Documentation"
          CURRENT_VERSION_NUM="${CURRENT_VERSION:1}"
          NEW_VERSION_NUM="${NEW_VERSION:1}"
          sed -i "s/~> $CURRENT_VERSION_NUM/~> $NEW_VERSION_NUM/g" examples/provider/provider.tf
          go generate
          git add examples/provider/provider.tf docs/index.md
          git commit -m 'updated documentation'

          echo "## Diff from Prerelease tasks" >> $GITHUB_STEP_SUMMARY
          echo "\`\`\`diff" >> $GITHUB_STEP_SUMMARY
          git diff @{upstream} @ >> $GITHUB_STEP_SUMMARY
          echo "\`\`\`" >> $GITHUB_STEP_SUMMARY
          echo "Diff from Prerelease tasks:"
          git diff @{upstream} @

      - name: Release New Version
        if: success() && github.ref_name == 'main' && steps.changes.outputs.HAS_CHANGES == 'true'
        env:
          GITHUB_TOKEN: ${{ secrets.HCP_SDK_PIPELINE_TOKEN }}
        run: |
          CHANGELOG_URL="https://github.com/hashicorp/terraform-provider-hcp/blob/${NEW_VERSION}/CHANGELOG.md"
          git tag -a -m "${NEW_VERSION}" -m "See changelog: ${CHANGELOG_URL}" "${NEW_VERSION}"
          echo "Git configuration:"
          git config -l
          echo "Pushing new commits to remote"
          git push
          echo "Pushing new tag to remote, which will trigger the Release workflow"
          git push --tags