release.yml

---
name: Release

on:
  push:
    tags:
      - 'Stellar-*'

permissions:
  contents: write

env:
  RELEASE_TAG_PREFIX: Stellar
  NODE_VERSION: 24
  VERCEL_NODE_RUNTIME: nodejs24.x

jobs:
  validate-tag:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v5

      - name: Get tag name
        id: tag
        run: echo "TAG_NAME=${GITHUB_REF#refs/tags/}" >> "$GITHUB_OUTPUT"

      - name: Setup Node.js
        uses: actions/setup-node@v6
        with:
          node-version: ${{ env.NODE_VERSION }}

      - name: Validate tag format
        run: |
          TAG="${{ steps.tag.outputs.TAG_NAME }}"
          if [[ ! "$TAG" =~ ^${RELEASE_TAG_PREFIX}-v[0-9]+\.[0-9]+$ ]]; then
            echo "Invalid tag format: $TAG (expected ${RELEASE_TAG_PREFIX}-v<major>.<minor>)"
            exit 1
          fi

      - name: Validate tag matches package version
        shell: bash
        run: |
          set -euo pipefail
          TAG="${{ steps.tag.outputs.TAG_NAME }}"
          TAG_VERSION="${TAG#"${RELEASE_TAG_PREFIX}-v"}"
          PACKAGE_SHORT="$(node -e "const [m='0',n='0']=require('./package.json').version.split('.');console.log(m+'.'+n)")"
          if [ "$TAG_VERSION" != "$PACKAGE_SHORT" ]; then
            echo "Tag $TAG does not match package.json v${PACKAGE_SHORT}"
            exit 1
          fi

  release:
    needs: validate-tag
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v5
        with:
          fetch-depth: 0
          fetch-tags: true

      - name: Get tag name
        id: tag
        run: echo "TAG_NAME=${GITHUB_REF#refs/tags/}" >> "$GITHUB_OUTPUT"

      - name: Setup Node.js
        uses: actions/setup-node@v6
        with:
          node-version: ${{ env.NODE_VERSION }}

      - name: Resolve Bun version
        id: bun-version
        shell: bash
        run: |
          set -euo pipefail
          version="$(node -p "require('./package.json').packageManager?.match(/^bun@(.+)$/)?.[1] || ''")"
          if [ -z "$version" ]; then
            echo "package.json packageManager must be bun@<version>" >&2
            exit 1
          fi
          echo "version=$version" >> "$GITHUB_OUTPUT"

      - name: Setup Bun
        uses: oven-sh/setup-bun@v2
        with:
          bun-version: ${{ steps.bun-version.outputs.version }}

      - name: Install dependencies (frozen)
        run: bun install --frozen-lockfile

      - name: Build static project
        shell: bash
        run: |
          set -euo pipefail
          cp svelte.config.js svelte.config.js.vercel
          had_layout_ts=0
          if [ -f src/routes/+layout.ts ]; then
            had_layout_ts=1
            cp src/routes/+layout.ts src/routes/+layout.ts.vercel
          fi
          cleanup() {
            cp svelte.config.js.vercel svelte.config.js
            rm -f svelte.config.js.vercel
            if [ "$had_layout_ts" -eq 1 ]; then
              mv src/routes/+layout.ts.vercel src/routes/+layout.ts
            else
              rm -f src/routes/+layout.ts
            fi
          }
          trap cleanup EXIT
          cp svelte.config.static.js svelte.config.js
          printf 'export const prerender = true;\n' > src/routes/+layout.ts
          bun run build

      - name: Generate changelog
        id: changelog
        run: |
          PREVIOUS_TAG=$(git tag --sort=-creatordate | grep -v "^${{ steps.tag.outputs.TAG_NAME }}$" | head -n 1)
          if [ -z "$PREVIOUS_TAG" ]; then
            FIRST_COMMIT=$(git rev-list --max-parents=0 HEAD)
            COMMITS=$(git log "${FIRST_COMMIT}..HEAD" --pretty=format:"- %s (%h)" --no-merges)
          else
            COMMITS=$(git log "${PREVIOUS_TAG}..HEAD" --pretty=format:"- %s (%h)" --no-merges)
          fi
          {
            echo "CHANGELOG<<EOF"
            echo "$COMMITS"
            echo "EOF"
          } >> "$GITHUB_OUTPUT"

      - name: Create source archive
        run: |
          TAG="${{ steps.tag.outputs.TAG_NAME }}"
          STAGE="release-source"
          rm -rf "$STAGE" && mkdir -p "$STAGE"
          cp -r src "$STAGE/" && cp -r static "$STAGE/" && cp -r scripts "$STAGE/"
          cp -r .github "$STAGE/" && cp -r docs "$STAGE/" 2>/dev/null || true
          cp package.json "$STAGE/" && cp bun.lock "$STAGE/" 2>/dev/null || true
          cp svelte.config.js "$STAGE/" 2>/dev/null || true
          cp svelte.config.static.js "$STAGE/" 2>/dev/null || true
          cp vite.config.ts "$STAGE/" 2>/dev/null || true
          cp tsconfig.json "$STAGE/" 2>/dev/null || true
          cp vitest.config.ts "$STAGE/" 2>/dev/null || true
          cp postcss.config.js "$STAGE/" 2>/dev/null || true
          cp eslint.config.js "$STAGE/" 2>/dev/null || true
          cp vercel.json "$STAGE/" 2>/dev/null || true
          cp verify.sh "$STAGE/" 2>/dev/null || true
          cp README.md "$STAGE/" 2>/dev/null || true
          cp LICENSE "$STAGE/" && cp SECURITY.md "$STAGE/" 2>/dev/null || true
          cd "$STAGE" && zip -r "../bmi-stellar-source-${TAG}.zip" . && cd ..
          sha256sum "bmi-stellar-source-${TAG}.zip" > "bmi-stellar-source-${TAG}.zip.sha256"
          rm -rf "$STAGE"

      - name: Create build archive
        run: |
          TAG="${{ steps.tag.outputs.TAG_NAME }}"
          STAGE="release-build"
          rm -rf "$STAGE" && mkdir -p "$STAGE"
          cp -r build "$STAGE/" && cp package.json "$STAGE/" && cp LICENSE "$STAGE/"
          cp README.md "$STAGE/" 2>/dev/null || true
          cp -r docs "$STAGE/" 2>/dev/null || true
          cd "$STAGE" && zip -r "../bmi-stellar-build-${TAG}.zip" . && cd ..
          sha256sum "bmi-stellar-build-${TAG}.zip" > "bmi-stellar-build-${TAG}.zip.sha256"
          rm -rf "$STAGE"

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v2.6.2
        with:
          name: ${{ steps.tag.outputs.TAG_NAME }}
          body: |
            ## What's Changed

            ${{ steps.changelog.outputs.CHANGELOG }}

            ---
            **Artifacts:** [source](${{ github.server_url }}/${{ github.repository }}/releases/download/${{ steps.tag.outputs.TAG_NAME }}/bmi-stellar-source-${{ steps.tag.outputs.TAG_NAME }}.zip) · [build](${{ github.server_url }}/${{ github.repository }}/releases/download/${{ steps.tag.outputs.TAG_NAME }}/bmi-stellar-build-${{ steps.tag.outputs.TAG_NAME }}.zip)
          files: |
            bmi-stellar-source-${{ steps.tag.outputs.TAG_NAME }}.zip
            bmi-stellar-source-${{ steps.tag.outputs.TAG_NAME }}.zip.sha256
            bmi-stellar-build-${{ steps.tag.outputs.TAG_NAME }}.zip
            bmi-stellar-build-${{ steps.tag.outputs.TAG_NAME }}.zip.sha256
          draft: false
          prerelease: false