github_sync_labels.php

<?php

// credential to access github, you should choose between username/password authentication or token (for two step verification accounts) 
$githubUser         = 'YOURGITHUBUSER';
$githubPasswd       = 'YOURGITHUBPASSWD';
// or
//$githubToken        = 'YOURGITHUBTOKEN';
$githubOrganization = 'YOURGITHUBORGANIZATION';
// the list of repo in your github organization you want to align
$repos = array(
  'YOURREPO#1',
  'YOURREPO#2',
  'YOURREPO#3',
  // ...
);
// Add, remove, or set names and colors of issue labels as you wish
$arrayLabels = array(
  'a:admin' => 'c7def8',
  'a:doc' => 'c7def8',
  'a:user' => 'c7def8',
  'e:1' => 'd4c5f9',
  'e:2' => 'd4c5f9',
  'e:3' => 'd4c5f9',
  'i:improvement' => 'fad8c7',
  'i:progress-25' => 'fad8c7',
  'i:progress-50' => 'fad8c7',
  'i:progress-75' => 'fad8c7',
  'p:blocker' => 'e11d21',
  'p:critical' => 'f7c6c7',
  'p:high' => 'f7c6c7',
  'p:low' => 'f7c6c7',
  's:cant-reproduce' => 'fef2c0',
  's:help-needed' => 'fef2c0',
  's:in-pull-request' => 'fef2c0',
  's:needs-discussion' => 'fbca04',
  't:bug' => 'bfe5bf',
  't:bugsnag' => 'bfe5bf',
  't:feature' => 'bfe5bf',
  't:idea' => 'bfe5bf',
  't:invalid' => 'bfe5bf',
  't:question' => 'bfe5bf',
  't:refactor' => 'bfe5bf',
  't:support' => 'bfe5bf',
  't:task' => 'bfe5bf',
  't:ux' => 'bfe5bf'
);

foreach( $repos as $repo ) {
  foreach( $arrayLabels as $name => $color ) {
    $labelToSet = '\'{ "name": "' . $name .'","color": "' . $color . '" }\'';
    if (isset($githubToken)) {
      system( 'curl -u ' . $githubToken . ':x-oauth-basic https://api.github.com/repos/' . $githubOrganization . '/' . $repo . '/labels -X POST --data ' . $labelToSet );
    } else {
      system( 'curl -u "' . $githubUser . ':' . $githubPasswd . '" https://api.github.com/repos/' . $githubOrganization . '/' . $repo . '/labels -X POST --data ' . $labelToSet );
    }
  }
}