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Auto git pull on every push to github
<?php
// TODO Handle tagged releases
// TODO Check current branch is checked out before pulling
// TODO Store sites in separate config file
// TODO Allow config file to be in folder above root.
// TODO Allow updating via $_GET?
// TODO Make sure sane git status before pulling?
// You can't view this file directly
if ( ! isset( $_POST['payload'] ) ) {
header( 'Status: 301' );
header( 'Location: http://hmn.md/' );
exit;
}
global $github;
$github = json_decode( $_POST['payload'] );
/**
* Array of sites and their github details
*
* Format is array( [github repo name] => array( [site directory], [pull from branch_name or tag] );
*
*/
$sites = array();
$sites['Human-Made-website'] = array(
'dir' => 'humanmade',
'ref' => 'master'
);
define( 'ABSPATH', dirname( dirname( __FILE__ ) ) );
// Check the payload is for one of the configured sites
if ( isset( $sites[$github->repository->name] ) && $site = $sites[$github->repository->name] ) {
// If the directory doesn't exist then bail
if ( ! file_exists( ABSPATH . '/' . $site['dir'] ) )
return;
$response = '';
// If we're set to pull from a branch and that branch was part of the payload
if ( $site['ref'] != 'tag' && $github->ref == 'refs/heads/' . $site['ref'] )
// Then Git Pull
$response = git_pull( $site['dir'] );
// Send a notification
if ( $response )
notify( $response, $site );
}
/**
* Perform a git pull & git submodule update command.
*
* @access public
* @param string $dir
* @return void
*/
function git_pull( $dir ) {
return shell_exec( 'cd ' . escshellarg( ABSPATH . '/' . $dir ) . ' ; git pull ; git submodule update --init --recursive' );
}
/**
* Send an email notification with details of the payload that was just auto pulled
*
* @access public
* @param string $response
* @param array $site
* @return void
*/
function notify( $response, $site ) {
global $github;
mail(
'example@email.com',
'Git Callback from ' . $site['dir'],
'
<p><a href="mailto:' . reset( $github->commits )->author->email . '">' . reset( $github->commits )->author->name . '</a> pushed to <a href="http://' . $site['dir'] . '">' . $site['dir'] . '</a></p>
<p>Commit: <a href="' . reset( $github->commits )->url . '">' . reset( $github->commits )->id . '</a></p>
<p>Description:</p>
<p><em>' . reset( $github->commits )->message . '</em></p>
<p>Response:</p>
<p><em>' . $response . '</em></p>
<p>Full Details:</p>
<p><pre>' . print_r( $github, true ) . '</pre></p>
',
'Content-type: text/html; charset=iso-8859-1'
);
}
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