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#!/usr/bin/env php
<?php
/**
*
* @package phpBB3
* @copyright (c) 2011 phpBB Group
* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
*
*/
function show_usage()
{
$filename = basename(__FILE__);
echo "$filename adds repositories of a github network as remotes to a local git repository.\n";
echo "\n";
echo "Usage: [php] $filename -s collaborators|organisation|contributors|network [OPTIONS]\n";
echo "\n";
echo "Scopes:\n";
echo " collaborators Repositories of people who have push access to the specified repository\n";
echo " contributors Repositories of people who have contributed to the specified repository\n";
echo " organisation Repositories of members of the organisation at github\n";
echo " network All repositories of the whole github network\n";
echo "\n";
echo "Options:\n";
echo " -s scope See description above (mandatory)\n";
echo " -u github_username Overwrites the github username (optional)\n";
echo " -r repository_name Overwrites the repository name (optional)\n";
echo " -m your_github_username Sets up ssh:// instead of git:// for pushable repositories (optional)\n";
echo " -d Outputs the commands instead of running them (optional)\n";
echo " -h This help text\n";
exit(1);
}
// Handle arguments
$opts = getopt('s:u:r:m:dh');
if (empty($opts) || isset($opts['h']))
{
show_usage();
}
$scope = get_arg($opts, 's', '');
$username = get_arg($opts, 'u', 'phpbb');
$repository = get_arg($opts, 'r', 'phpbb3');
$developer = get_arg($opts, 'm', '');
$dry_run = !get_arg($opts, 'd', true);
run(null, $dry_run);
exit(work($scope, $username, $repository, $developer));
function work($scope, $username, $repository, $developer)
{
// Get some basic data
$network = get_network($username, $repository);
$collaborators = get_collaborators($username, $repository);
if ($network === false || $collaborators === false)
{
echo "Error: failed to retrieve network or collaborators\n";
return 1;
}
switch ($scope)
{
case 'collaborators':
$remotes = array_intersect_key($network, $collaborators);
break;
case 'organisation':
$remotes = array_intersect_key($network, get_organisation_members($username));
break;
case 'contributors':
$remotes = array_intersect_key($network, get_contributors($username, $repository));
break;
case 'network':
$remotes = $network;
break;
default:
show_usage();
}
if (file_exists('.git'))
{
add_remote($username, $repository, isset($collaborators[$developer]));
}
else
{
clone_repository($username, $repository, isset($collaborators[$developer]));
}
// Add private security repository for developers
if ($username == 'phpbb' && $repository == 'phpbb3' && isset($collaborators[$developer]))
{
run("git remote add $username-security " . get_repository_url($username, "$repository-security", true));
}
// Skip blessed repository.
unset($remotes[$username]);
foreach ($remotes as $remote)
{
add_remote($remote['username'], $remote['repository'], $remote['username'] == $developer);
}
run('git remote update');
}
function clone_repository($username, $repository, $pushable = false)
{
$url = get_repository_url($username, $repository, false);
run("git clone $url ./ --origin $username");
if ($pushable)
{
$ssh_url = get_repository_url($username, $repository, true);
run("git remote set-url --push $username $ssh_url");
}
}
function add_remote($username, $repository, $pushable = false)
{
$url = get_repository_url($username, $repository, false);
run("git remote add $username $url");
if ($pushable)
{
$ssh_url = get_repository_url($username, $repository, true);
run("git remote set-url --push $username $ssh_url");
}
}
function get_repository_url($username, $repository, $ssh = false)
{
$url_base = ($ssh) ? 'git@github.com:' : 'git://github.com/';
return $url_base . $username . '/' . $repository . '.git';
}
function api_request($query)
{
$contents = file_get_contents("http://github.com/api/v2/json/$query");
if ($contents === false)
{
return false;
}
return json_decode($contents);
}
function get_contributors($username, $repository)
{
$request = api_request("repos/show/$username/$repository/contributors");
if ($request === false)
{
return false;
}
$usernames = array();
foreach ($request->contributors as $contributor)
{
$usernames[$contributor->login] = $contributor->login;
}
return $usernames;
}
function get_organisation_members($username)
{
$request = api_request("organizations/$username/public_members");
if ($request === false)
{
return false;
}
$usernames = array();
foreach ($request->users as $member)
{
$usernames[$member->login] = $member->login;
}
return $usernames;
}
function get_collaborators($username, $repository)
{
$request = api_request("repos/show/$username/$repository/collaborators");
if ($request === false)
{
return false;
}
$usernames = array();
foreach ($request->collaborators as $collaborator)
{
$usernames[$collaborator] = $collaborator;
}
return $usernames;
}
function get_network($username, $repository)
{
$request = api_request("repos/show/$username/$repository/network");
if ($request === false)
{
return false;
}
$usernames = array();
foreach ($request->network as $network)
{
$usernames[$network->owner] = array(
'username' => $network->owner,
'repository' => $network->name,
);
}
return $usernames;
}
function get_arg($array, $index, $default)
{
return isset($array[$index]) ? $array[$index] : $default;
}
function run($cmd, $dry = false)
{
static $dry_run;
if (is_null($cmd))
{
$dry_run = $dry;
}
else if (!empty($dry_run))
{
echo "$cmd\n";
}
else
{
passthru(escapeshellcmd($cmd));
}
}
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