rollback.yml

name: Rollback Release

on:
  workflow_dispatch:
    inputs:
      version:
        description: 'Version to rollback (e.g., v1.2.3)'
        required: true
        type: string
      delete_release:
        description: 'Delete the GitHub release'
        required: false
        type: boolean
        default: false
      reason:
        description: 'Reason for rollback'
        required: false
        type: string
        default: 'Manual rollback'

jobs:
  rollback:
    name: Rollback Release
    runs-on: ubuntu-latest
    permissions:
      contents: write

    steps:
      - name: Validate version format
        env:
          VERSION: ${{ inputs.version }}
        run: |
          if [[ ! "$VERSION" =~ ^v[0-9]+\.[0-9]+\.[0-9]+(-(alpha|beta|rc))?$ ]]; then
            echo "::error::Invalid version format: $VERSION (expected vX.Y.Z or vX.Y.Z-{alpha|beta|rc})"
            exit 1
          fi

      - name: Notify rollback start
        id: slack_start
        uses: slackapi/slack-github-action@485a9d42d3a73031f12ec201c457e2162c45d02d # v2.0.0
        with:
          method: chat.postMessage
          token: ${{ secrets.SLACK_BOT_TOKEN }}
          payload: |
            channel: ${{ secrets.SLACK_CHANNEL_ID }}
            text: ":rewind: *iii-console Rollback Started*\nVersion: `${{ inputs.version }}`\nReason: ${{ inputs.reason }}\nDelete release: ${{ inputs.delete_release }}\nTriggered by: ${{ github.actor }}"

      - name: Generate token
        id: generate_token
        uses: actions/create-github-app-token@29824e69f54612133e76f7eaac726eef6c875baf # v2
        with:
          app-id: ${{ secrets.III_CI_APP_ID }}
          private-key: ${{ secrets.III_CI_APP_PRIVATE_KEY }}

      - name: Checkout code
        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
        with:
          token: ${{ steps.generate_token.outputs.token }}
          fetch-depth: 0

      - name: Delete release
        if: inputs.delete_release == true
        env:
          VERSION: ${{ inputs.version }}
          GH_TOKEN: ${{ steps.generate_token.outputs.token }}
          GH_REPO: ${{ github.repository }}
        run: |
          gh release delete "$VERSION" --repo "$GH_REPO" --yes || true
          echo "::notice::Deleted release $VERSION"

      - name: Delete tag
        env:
          VERSION: ${{ inputs.version }}
        run: |
          git push origin ":refs/tags/$VERSION" || true
          git tag -d "$VERSION" || true
          echo "::notice::Deleted tag $VERSION"

      - name: Calculate previous version
        id: prev_version
        env:
          VERSION: ${{ inputs.version }}
        run: |
          # Strip v prefix and pre-release suffix
          BASE=$(echo "$VERSION" | sed 's/^v//' | sed 's/-.*//')
          IFS='.' read -r MAJOR MINOR PATCH <<< "$BASE"

          if [[ "$PATCH" -gt 0 ]]; then
            PREV="${MAJOR}.${MINOR}.$((PATCH - 1))"
          elif [[ "$MINOR" -gt 0 ]]; then
            PREV="${MAJOR}.$((MINOR - 1)).0"
          elif [[ "$MAJOR" -gt 0 ]]; then
            PREV="$((MAJOR - 1)).0.0"
          else
            echo "::error::Cannot calculate previous version for v0.0.0"
            exit 1
          fi

          echo "version=$PREV" >> "$GITHUB_OUTPUT"
          echo "::notice::Rolling back Cargo.toml to version $PREV"

      - name: Update Cargo.toml version
        env:
          PREV_VERSION: ${{ steps.prev_version.outputs.version }}
        run: |
          CARGO_TOML="packages/console-rust/Cargo.toml"
          sed -i "s/^version = \".*\"/version = \"${PREV_VERSION}\"/" "$CARGO_TOML"

      - name: Commit rollback
        env:
          PREV_VERSION: ${{ steps.prev_version.outputs.version }}
          VERSION: ${{ inputs.version }}
          REASON: ${{ inputs.reason }}
        run: |
          git config user.name "iii-ci[bot]"
          git config user.email "iii-ci[bot]@users.noreply.github.com"

          git add packages/console-rust/Cargo.toml
          git commit -m "$(cat <<COMMIT_MSG
          chore: rollback version to ${PREV_VERSION}

          Rolled back from ${VERSION}
          Reason: ${REASON}
          COMMIT_MSG
          )"
          git push origin main

      - name: Notify rollback complete
        if: success()
        uses: slackapi/slack-github-action@485a9d42d3a73031f12ec201c457e2162c45d02d # v2.0.0
        with:
          method: chat.update
          token: ${{ secrets.SLACK_BOT_TOKEN }}
          payload: |
            channel: ${{ secrets.SLACK_CHANNEL_ID }}
            ts: ${{ steps.slack_start.outputs.ts }}
            text: ":white_check_mark: *iii-console Rollback Complete*\nRolled back: `${{ inputs.version }}` -> `v${{ steps.prev_version.outputs.version }}`\nReason: ${{ inputs.reason }}\nRelease deleted: ${{ inputs.delete_release }}"

      - name: Notify rollback failed
        if: failure()
        uses: slackapi/slack-github-action@485a9d42d3a73031f12ec201c457e2162c45d02d # v2.0.0
        with:
          method: chat.update
          token: ${{ secrets.SLACK_BOT_TOKEN }}
          payload: |
            channel: ${{ secrets.SLACK_CHANNEL_ID }}
            ts: ${{ steps.slack_start.outputs.ts }}
            text: ":x: *iii-console Rollback Failed*\nVersion: `${{ inputs.version }}`\nReason: ${{ inputs.reason }}\n<${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}|View workflow>"