11note-docker-bind/.github/workflows/cron.update.yml

name: cron-update

on:
  workflow_dispatch:
  schedule:
    - cron: "0 5 * * *"

jobs:
  cron-update:
    runs-on: ubuntu-latest

    permissions:
      actions: read
      contents: write

    steps:   
      - name: init / checkout
        uses: actions/checkout@85e6279cec87321a52edac9c87bce653a07cf6c2
        with:
          ref: 'master'
          fetch-depth: 0

      - name: cron-update / get latest version
        uses: actions/github-script@62c3794a3eb6788d9a2a72b219504732c0c9a298
        with:
          script: |
            (async()=>{
              let found = false;
              const res = await fetch('https://www.isc.org/download/');
              if(res && res.status === 200){
                const html = await res.text();
                const trs = [...html.replace(/[\r\n]*/ig, '').matchAll(/<tr>(.*?)<\/tr>/ig)];
                for(const tr of trs){
                  const tds = [...tr[0].matchAll(/<td[^>]*>(.*?)<\/td>/ig)];
                  if(Array.isArray(tds)){
                    for(const td of tds){
                      if(/This software is recommended for production use/i.test(td.input) && /Current Stable, ESV/i.test(td.input)){
                        core.exportVariable('LATEST_VERSION', td[1]);
                        core.info(`found bind version ${td[1]}`);
                        found = true;
                        break;
                      }
                    }
                  }
                }
              }

              if(!found){
                core.setFailed('no version for Unifi could be found!');
              }
            })();

      - name: cron-update / get latest tag
        run: |
          echo "LATEST_TAG=$(git describe --abbrev=0 --tags `git rev-list --tags --max-count=1` | sed 's/v//')" >> "${GITHUB_ENV}"

      - name: cron-update / setup node
        uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020
        with:
          node-version: '20'

      - run: npm i semver

      - name: cron-update / compare latest with current version
        uses: actions/github-script@62c3794a3eb6788d9a2a72b219504732c0c9a298
        with:
          script: |
            const { existsSync, readFileSync, writeFileSync } = require('node:fs');
            const { resolve } = require('node:path');
            const { inspect } = require('node:util');
            const semver = require('semver')
            const repository = {dot:{}};

            try{
              const path = resolve('.json');
              if(existsSync(path)){
                try{
                  repository.dot = JSON.parse(readFileSync(path).toString());
                }catch(e){
                  throw new Error('could not parse .json');
                }
              }else{
                throw new Error('.json does not exist');
              }
            }catch(e){
              core.setFailed(e);
            }

            const latest = semver.valid(semver.coerce('${{ env.LATEST_VERSION }}'));
            const current = semver.valid(semver.coerce(repository.dot.semver.version));
            const tag = semver.valid(semver.coerce('${{ env.LATEST_TAG }}'));

            if(latest && latest !== current){
              core.info(`new ${semver.diff(current, latest)} release found (${latest})!`)
              repository.dot.semver.version = latest;
              if(tag){
                core.exportVariable('WORKFLOW_NEW_TAG', semver.inc(tag, semver.diff(current, latest)));
              }

              if(repository.dot.semver?.latest){
                repository.dot.semver.latest = repository.dot.semver.version;
              }

              if(repository.dot?.readme?.comparison?.image){
                repository.dot.readme.comparison.image = repository.dot.readme.comparison.image.replace(/\d+\.\d+/i , latest.split('.').slice(0,2).join('.'));
              }

              try{
                writeFileSync(resolve('.json'), JSON.stringify(repository.dot, null, 2));
                core.exportVariable('WORKFLOW_AUTO_UPDATE', true);
              }catch(e){
                core.setFailed(e);
              }
            }else{
              core.info('no new release found');
            }

            core.info(inspect(repository.dot, {showHidden:false, depth:null, colors:true}));

      - name: cron-update / checkout
        id: checkout
        if: env.WORKFLOW_AUTO_UPDATE == 'true'
        run: |         
          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git add .json
          git commit -m "[upgrade] ${{ env.LATEST_VERSION }}"
          git push origin HEAD:master

      - name: cron-update / tag
        if: env.WORKFLOW_AUTO_UPDATE == 'true' && steps.checkout.outcome == 'success'
        run: |         
          SHA256=$(git rev-list --branches --max-count=1)
          git tag -a v${{ env.WORKFLOW_NEW_TAG }} -m "v${{ env.WORKFLOW_NEW_TAG }}" ${SHA256}
          git push --follow-tags

      - name: cron-update / build docker image
        if: env.WORKFLOW_AUTO_UPDATE == 'true' && steps.checkout.outcome == 'success'
        uses: the-actions-org/workflow-dispatch@3133c5d135c7dbe4be4f9793872b6ef331b53bc7
        with:
          workflow: docker.yml
          wait-for-completion: false
          token: "${{ secrets.REPOSITORY_TOKEN }}"
          inputs: '{ "release":"true", "readme":"true" }'
          ref: "v${{ env.WORKFLOW_NEW_TAG }}"