release.yml

name: Publish Release

on:
  push:
    branches:
      - main
    paths:
      - 'pkg/catalog/*/data/**'
  schedule:
    - cron: '0 6 * * *' # daily at 6 AM UTC
  workflow_dispatch:

permissions:
  contents: write

jobs:
  release:
    name: Publish Release
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6
        with:
          fetch-depth: 0

      - name: Generate version
        id: metadata
        run: |
          echo "version=0.$(date +'%Y%m%d').0" >> $GITHUB_OUTPUT
          echo "date=$(date +'%Y.%m.%d')" >> $GITHUB_OUTPUT

      - name: Check for data changes since last release
        id: check_changes
        if: github.event_name == 'schedule'
        run: |
          LATEST_TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "")
          if [ -z "$LATEST_TAG" ]; then
            echo "has_changes=true" >> $GITHUB_OUTPUT
            exit 0
          fi
          # Check if any catalog data files changed since the last release tag
          CHANGES=$(git diff --name-only "$LATEST_TAG"..HEAD -- 'pkg/catalog/*/data/**')
          if [ -z "$CHANGES" ]; then
            echo "No catalog data changes since $LATEST_TAG, skipping release."
            echo "has_changes=false" >> $GITHUB_OUTPUT
          else
            echo "Found changes since $LATEST_TAG:"
            echo "$CHANGES"
            echo "has_changes=true" >> $GITHUB_OUTPUT
          fi

      - name: Generate release body
        if: steps.check_changes.outputs.has_changes != 'false'
        id: release_body
        run: |
          {
            echo "body<<EOF"
            echo "## ToolHive Catalog Release"
            echo ""
            echo "**Date**: ${{ steps.metadata.outputs.date }}"
            echo ""

            for registry_dir in pkg/catalog/*/; do
              registry_name=$(basename "$registry_dir")
              data_file="$registry_dir/data/registry.json"
              [ -f "$data_file" ] || continue

              CONTAINER_COUNT=$(jq '.servers | length' "$data_file")
              REMOTE_COUNT=$(jq '.remote_servers | length // 0' "$data_file")
              TOTAL=$((CONTAINER_COUNT + REMOTE_COUNT))
              LAST_UPDATED=$(jq -r '.last_updated' "$data_file")

              upstream_file="$registry_dir/data/official-registry.json"
              if [ -f "$upstream_file" ]; then
                SKILL_COUNT=$(jq '.data.skills | length // 0' "$upstream_file")
              else
                SKILL_COUNT=0
              fi

              echo "### Registry: \`$registry_name\`"
              echo ""
              echo "**Last Updated**: $LAST_UPDATED"
              echo ""
              echo "| Category | Count |"
              echo "|----------|-------|"
              echo "| **Total Servers** | $TOTAL |"
              echo "| **Container-based** | $CONTAINER_COUNT |"
              echo "| **Remote** | $REMOTE_COUNT |"
              echo "| **Skills** | $SKILL_COUNT |"
              echo ""
              echo "\`\`\`sh"
              echo "go get github.com/stacklok/toolhive-catalog/pkg/catalog/${registry_name}@latest"
              echo "\`\`\`"
              echo ""
              echo "\`\`\`go"
              echo "import \"github.com/stacklok/toolhive-catalog/pkg/catalog/${registry_name}\""
              echo ""
              echo "// ToolHive legacy format"
              echo "data := ${registry_name}.Legacy()"
              echo ""
              echo "// Upstream MCP format"
              echo "data := ${registry_name}.Upstream()"
              echo "\`\`\`"
              echo ""
            done

            echo "---"
            echo "*This is an automated release triggered by a catalog data update.*"
            echo "EOF"
          } >> $GITHUB_OUTPUT

      - name: Collect release artifacts
        if: steps.check_changes.outputs.has_changes != 'false'
        id: artifacts
        run: |
          ARTIFACT_LIST=""
          for registry_dir in pkg/catalog/*/; do
            [ -d "$registry_dir/data" ] || continue
            for f in "$registry_dir"/data/*.json; do
              [ -f "$f" ] || continue
              if [ -n "$ARTIFACT_LIST" ]; then
                ARTIFACT_LIST="${ARTIFACT_LIST}
          ${f}"
              else
                ARTIFACT_LIST="$f"
              fi
            done
          done
          {
            echo "files<<EOF"
            echo "$ARTIFACT_LIST"
            echo "EOF"
          } >> $GITHUB_OUTPUT

      - name: Create or update release
        if: steps.check_changes.outputs.has_changes != 'false'
        uses: ncipollo/release-action@339a81892b84b4eeb0f6e744e4574d79d0d9b8dd # v1
        with:
          tag: v${{ steps.metadata.outputs.version }}
          name: Catalog v${{ steps.metadata.outputs.date }}
          body: ${{ steps.release_body.outputs.body }}
          artifacts: ${{ steps.artifacts.outputs.files }}
          allowUpdates: true
          makeLatest: true
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}