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<?php
namespace GitDeploy;
use GitWrapper\GitWrapper;
use GitWrapper\GitWorkingCopy;
class GitDeploy
{
protected $projects = array();
public function __construct(array $projects = array())
{
if (!empty($projects)) {
$this->setProjects($projects);
}
}
/**
* Parses the given projects configuration array into valid configuration.
*/
public function setProjects(array $projects = array())
{
$output = array();
foreach ($projects as $name => $project) {
if (is_string($project)) {
$output[$name]['repo'] = $project;
}
elseif (is_array($project)) {
$output[$name] = $project;
}
// Construct the default branches array if one is not given.
if (!isset($output[$name]['branches']) || !is_array($output[$name]['branches'])) {
$output[$name]['branches'] = array(
'gh-pages' => $name,
);
}
else {
$branches = array();
foreach ($output[$name]['branches'] as $source => $destination) {
if (is_numeric($source)) {
$source = $destination;
$destination = $name . '-' . $source;
}
$branches[$source] = $destination;
}
$output[$name]['branches'] = $branches;
}
}
$this->projects = $output;
}
public function getProjects()
{
return $this->projects;
}
public static function fromFile($file = 'git-deploy.json')
{
$results = array();
if (is_file($file)) {
$contents = file_get_contents($file);
$results = json_decode($contents, true);
if ($results === NULL) {
throw new \UnexpectedValueException("The given JSON file could not be parsed.");
}
}
return new GitDeploy($results);
}
public function deploy()
{
// Create the wrapper.
$wrapper = new GitWrapper();
$wrapper->streamOutput();
// Iterate through each project.
foreach ($this->projects as $name => $project) {
// Check out all branches.
foreach ($project['branches'] as $branch => $destination) {
// Build our git interface.
$git = null;
if (!is_dir($destination)) {
$git = $wrapper->cloneRepository($project['repo'], $destination);
}
else {
$git = new GitWorkingCopy($wrapper, $destination);
}
// Fetch the latest.
$git->fetch('origin');
// Checkout the desired branch.
$git->checkout($branch, array('force' => true));
// Reset any local changes.
$git->reset(array('hard' => true));
// Pull the latest from the branch.
$git->pull('origin', $branch, array('force' => true));
}
}
}
}
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