redis_modules_docs_sync.yaml

name: redis_modules_docs_sync

on:
  schedule:
    - cron: '0 0 * * *' # run every day at midnight UTC time
  workflow_dispatch: # or run on manual trigger

jobs:
  redis_modules_docs_sync:
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write
      actions: write
    steps:
      - name: 'Checkout'
        uses: 'actions/checkout@v3'

      - name: 'Fetch commands json files from modules'
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          branch="redis_modules_docs_sync"
          modules_list=("redisjson" "redisbloom" "redistimeseries" "redisearch")
          module_change=false

          # check if remote branch already exists
          git fetch --all
          set +e
          git ls-remote --exit-code --heads origin "refs/heads/${branch}"
          if [ "$?" -eq 0 ]; then
            set -e
            # if it does, create local branch off existing remote branch
            git checkout -b "${branch}" "origin/${branch}"
            git branch --set-upstream-to="origin/${branch}" "${branch}"
            git pull
          else
            set -e
            # otherwise, create local branch from main
            git checkout -b "${branch}"
          fi

          for module in "${modules_list[@]}"; do
            # Find latest version
            module_version=$(
              curl -Ls \
              -H "Accept: application/vnd.github+json" \
              -H "Authorization: Bearer ${GH_TOKEN}" \
              -H "X-GitHub-Api-Version: 2022-11-28" \
              "https://api.github.com/repos/${module}/${module}/releases/latest" \
              | jq -r '.tag_name'
            )

            # Fetch release
            gh release download "$module_version" -R "${module}/${module}" -A zip -O "${module}.zip"
            unzip "${module}.zip" -d "${module}"
            cp ${module}/*/commands.json "data/commands_${module}.json"

            modules_commands_is_different=$(git diff "data/commands_${module}.json")
            if [[ ! -z $modules_commands_is_different ]]; then
              module_change=true
              
              git add "data/commands_${module}.json"
              git config user.email "177626021+redisdocsapp[bot]@users.noreply.github.com"
              git config user.name "redisdocsapp[bot]"
              git commit -m "Update data/commands_${module}.json for release ${module_version}"
            fi
          done

          if [ "$module_change" = true ] ; then
            git push origin "${branch}"

            # If a pr is not already open, create one
            set +e
            gh search prs -R redis/docs --state open --match title "redis modules docs sync" | grep -q "redis modules docs sync"
            if [ "$?" -eq 1 ]; then
              set -e
              gh pr create \
                --body "redis modules docs sync" \
                --title "redis modules docs sync" \
                --head "$branch" \
                --base "main"
            fi
          fi