hoopoe/chirp.php

<?php

$user = getenv('GITEA_USER');
$pass = getenv('GITEA_PASS');

$gitea_url = 'https://git.bit5.ru';

$auth_token = gitea_login($gitea_url, $user, $pass);
if(!$auth_token)
  throw new Exception("Could not login to gitea");

gitea_check_base_repo($auth_token, $gitea_url, 'bit/skeletik', false);
gitea_check_base_repo($auth_token, $gitea_url, 'bit/skeletor');
gitea_check_base_repo($auth_token, $gitea_url, 'bit/skeletor-rnd');

//////////////////////////////////

function gitea_login($gitea_url, $user, $pass)
{
  $token_field = "test_".time();
  $ch = curl_init();
  curl_setopt($ch, CURLOPT_URL, "https://git.bit5.ru/api/v1/users/$user/tokens");
  curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: application/json'));
  curl_setopt($ch, CURLOPT_POST, true);
  curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode(array("name" => $token_field)));
  curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
  curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
  curl_setopt($ch, CURLOPT_USERPWD, $user . ":" . $pass);
  curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
  curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
  $json = curl_exec($ch);
  curl_close($ch);

  $res = json_decode($json, true);
  if(!isset($res['sha1']))
    throw new Exception("Could not login to gitea");

  return $res['sha1'];
}

function gitea_api_call($auth_token, $gitea_url, $api_path)
{
  $api_url = "$gitea_url/api/v1/$api_path"; 
  $ch = curl_init();
  curl_setopt($ch, CURLOPT_URL,  $api_url);
  curl_setopt($ch, CURLOPT_HEADER, true);
  curl_setopt($ch, CURLOPT_HTTPHEADER, 
    array(
      'Accept: application/json',
      "Authorization: token $auth_token"
    )
  );
  curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
  curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
  curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
  $response = curl_exec($ch);

  $header_size = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
  $header = substr($response, 0, $header_size);
  $json = substr($response, $header_size);

  $info = curl_getinfo($ch);

  curl_close($ch);

  if($info['http_code'] != 200)
    return $info['http_code'];

  return json_decode($json, true);
}

function gitea_get_tags($auth_token, $gitea_url, $repo)
{
  $res = gitea_api_call($auth_token, $gitea_url, "repos/$repo/tags");
  if($res === 404)
    return array();
  else if(is_numeric($res))
    throw new Exception("Bad response: $res");
  return $res;
}

function gitea_get_source($auth_token, $gitea_url, $repo, $path)
{
  $res = gitea_api_call($auth_token, $gitea_url, "repos/$repo/contents/$path");

  if(is_numeric($res))
    throw new Exception("Bad response: $res");

  if(!isset($res['content']))
    throw new Exception("Could not get file at path '$path'");

  return base64_decode($res['content']);
}

function gitea_get_forks($auth_token, $gitea_url, $repo)
{
  $res = gitea_api_call($auth_token, $gitea_url, "repos/$repo/forks");
  if(is_numeric($res))
    throw new Exception("Bad response: $res");
  return $res;
}

function gitea_get_commits($auth_token, $gitea_url, $repo)
{
  $res = gitea_api_call($auth_token, $gitea_url, "repos/$repo/commits");
  if(is_numeric($res))
    throw new Exception("Bad response: $res");
  return $res;
}

function gitea_get_commit($auth_token, $gitea_url, $repo, $sha)
{
  $res = gitea_api_call($auth_token, $gitea_url, "repos/$repo/git/commits/$sha");
  if($res === 404)
    return null;
  else if(is_numeric($res))
    throw new Exception("Bad response: $res");
  else
    return $res;
}

function _is_composer_git_repo(array $repos, $repo) 
{
  foreach($repos as $item)
  {
    if($item['type'] == 'git' && $item['url'] == $repo)
      return true;
  }
  return false;
}

function gitea_check_base_repo($auth_token, $gitea_url, $base_repo, $check_upm = true)
{
  echo "=== Checking base repo '$base_repo' ===\n";

  $commits = gitea_get_commits($auth_token, $gitea_url, $base_repo);

  $forks = gitea_get_forks($auth_token, $gitea_url, $base_repo);
  echo "== Checking forks ==\n";
  foreach($forks as $fork)
  {
    $repo_fork = $fork['full_name'];
    foreach($commits as $commit)
    {
      $status = gitea_get_commit($auth_token, $gitea_url, $repo_fork, $commit['sha']);
      if($status === null)
      {
        echo "Fork '$repo_fork' is behind '$base_repo' at ({$commit['sha']}, {$commit['commit']['author']['date']} by {$commit['commit']['author']['name']})\n";
        break;
      }
      //early exit if commit exists
      else if(isset($status['sha']))
      {
        break;
      }
    }
  }

  echo "== Checking Composer manifest ==\n";
  $composer_json = gitea_get_source($auth_token, $gitea_url, $base_repo, "composer/composer.json");
  $composer_arr = json_decode($composer_json, true);

  foreach($composer_arr['require'] as $repo => $version)
  {
    if(strpos($repo, "bit/") !== 0)
      continue;

    if(!_is_composer_git_repo($composer_arr['repositories'], "$gitea_url/$repo"))
      continue;

    $tags = gitea_get_tags($auth_token, $gitea_url, $repo);
    if(isset($tags[0]))
    {
      $last_tag_info = $tags[0];
      if(ltrim($last_tag_info["name"], 'v') != ltrim($version, 'v'))
        echo "Newer version in $repo: current $version, latest {$last_tag_info["name"]}\n";
    }
    else
      echo "Could not fetch tags for $repo\n";
  }

  if($check_upm)
  {
    echo "== Checking UPM manifest ==\n";
    $upm_json = gitea_get_source($auth_token, $gitea_url, $base_repo, "unity/Packages/manifest.json");
    $upm_arr = json_decode($upm_json, true);

    foreach($upm_arr['dependencies'] as $name => $version)
    {
      if(strpos($name, "com.bitgames.") !== 0)
        continue;

      $name = str_replace("com.bitgames.ecs", "com.bitgames.leoecs", $name);
      $name = str_replace("com.bitgames.", "", $name);
      $name = str_replace(".", "-", $name);
      $repo = 'bit-upm/' . $name; 

      $tags = gitea_get_tags($auth_token, $gitea_url, $repo);
      if(isset($tags[0]))
      {
        $last_tag_info = $tags[0];
        if(ltrim($last_tag_info["name"], 'v') != ltrim($version, 'v'))
          echo "Newer version in $repo: current $version, latest {$last_tag_info["name"]}\n";
      }
      else
        echo "Could not fetch tags for $repo\n";
    }
  }
}