668 lines
18 KiB
PHP
668 lines
18 KiB
PHP
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<?php
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/* Copyright 2014-2016 Presslabs SRL <ping@presslabs.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2, as
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published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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define('GITIGNORE', <<<EOF
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*.log
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*.swp
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*.back
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*.bak
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*.sql
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*.sql.gz
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~*
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.htaccess
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.maintenance
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wp-config.php
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sitemap.xml
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sitemap.xml.gz
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wp-content/uploads/
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wp-content/blogs.dir/
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wp-content/upgrade/
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wp-content/backup-db/
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wp-content/cache/
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wp-content/backups/
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wp-content/advanced-cache.php
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wp-content/object-cache.php
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wp-content/wp-cache-config.php
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wp-content/db.php
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wp-admin/
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wp-includes/
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/index.php
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/license.txt
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/readme.html
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# de_DE
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/liesmich.html
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# it_IT
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/LEGGIMI.txt
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/licenza.html
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# da_DK
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/licens.html
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# es_ES, es_PE
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/licencia.txt
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# hu_HU
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/licenc.txt
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/olvasdel.html
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# sk_SK
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/licencia-sk_SK.txt
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# sv_SE
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/licens-sv_SE.txt
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/wp-activate.php
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/wp-blog-header.php
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/wp-comments-post.php
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/wp-config-sample.php
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/wp-cron.php
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/wp-links-opml.php
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/wp-load.php
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/wp-login.php
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/wp-mail.php
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/wp-settings.php
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/wp-signup.php
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/wp-trackback.php
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/xmlrpc.php
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EOF
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);
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class Git_Wrapper {
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private $last_error = '';
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private $gitignore = GITIGNORE;
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function __construct( $repo_dir ) {
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$this->repo_dir = $repo_dir;
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$this->private_key = '';
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}
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function _rrmdir( $dir ) {
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if ( empty( $dir ) || ! is_dir( $dir ) ) {
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return false;
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}
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$files = array_diff( scandir( $dir ), array( '.', '..' ) );
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foreach ( $files as $file ) {
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$filepath = realpath("$dir/$file");
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( is_dir( $filepath ) ) ? $this->_rrmdir( $filepath ) : unlink( $filepath );
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}
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return rmdir( $dir );
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}
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function _log(...$args) {
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if ( ! defined( 'WP_DEBUG' ) || ! WP_DEBUG ) { return; }
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$output = '';
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if (isset($args) && $args) foreach ( $args as $arg ) {
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$output .= var_export($arg, true).'/n/n';
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}
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if ($output) error_log($output);
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}
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function _git_temp_key_file() {
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$key_file = tempnam( sys_get_temp_dir(), 'ssh-git' );
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return $key_file;
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}
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function set_key( $private_key ) {
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$this->private_key = $private_key;
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}
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private function get_env() {
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$env = array();
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$key_file = null;
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if ( defined( 'GIT_SSH' ) && GIT_SSH ) {
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$env['GIT_SSH'] = GIT_SSH;
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} else {
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$env['GIT_SSH'] = dirname( __FILE__ ) . '/ssh-git';
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}
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if ( defined( 'GIT_KEY_FILE' ) && GIT_KEY_FILE ) {
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$env['GIT_KEY_FILE'] = GIT_KEY_FILE;
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} elseif ( $this->private_key ) {
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$key_file = $this->_git_temp_key_file();
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chmod( $key_file, 0600 );
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file_put_contents( $key_file, $this->private_key );
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$env['GIT_KEY_FILE'] = $key_file;
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}
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return $env;
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}
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protected function _call(...$args) {
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$args = join( ' ', array_map( 'escapeshellarg', $args ) );
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$cmd = "git $args 2>&1";
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$return = -1;
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$response = array();
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$env = $this->get_env();
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$proc = proc_open(
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$cmd,
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array(
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0 => array( 'pipe', 'r' ), // stdin
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1 => array( 'pipe', 'w' ), // stdout
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),
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$pipes,
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$this->repo_dir,
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$env
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);
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if ( is_resource( $proc ) ) {
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fclose( $pipes[0] );
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while ( $line = fgets( $pipes[1] ) ) {
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$response[] = rtrim( $line, "\n\r" );
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}
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$return = (int)proc_close( $proc );
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}
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$this->_log( "$return $cmd", join( "\n", $response ) );
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if ( ! defined( 'GIT_KEY_FILE' ) && isset( $env['GIT_KEY_FILE'] ) ) {
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unlink( $env['GIT_KEY_FILE'] );
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}
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if ( 0 != $return ) {
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$this->last_error = join( "\n", $response );
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} else {
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$this->last_error = null;
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}
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return array( $return, $response );
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}
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function get_last_error() {
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return $this->last_error;
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}
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function can_exec_git() {
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list( $return, ) = $this->_call( 'version' );
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return ( 0 == $return );
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}
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function is_status_working() {
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list( $return, ) = $this->_call( 'status', '-s' );
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return ( 0 == $return );
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}
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function get_version() {
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list( $return, $version ) = $this->_call( 'version' );
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if ( 0 != $return ) { return ''; }
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if ( ! empty( $version[0] ) ) {
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return substr( $version[0], 12 );
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}
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return '';
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}
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// git rev-list @{u}..
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function get_ahead_commits() {
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list( , $commits ) = $this->_call( 'rev-list', '@{u}..' );
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return $commits;
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}
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// git rev-list ..@{u}
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function get_behind_commits() {
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list( , $commits ) = $this->_call( 'rev-list', '..@{u}' );
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return $commits;
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}
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function init() {
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file_put_contents( "$this->repo_dir/.gitignore", $this->gitignore );
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list( $return, ) = $this->_call( 'init' );
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$this->_call( 'config', 'user.email', 'gitium@presslabs.com' );
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$this->_call( 'config', 'user.name', 'Gitium' );
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$this->_call( 'config', 'push.default', 'matching' );
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return ( 0 == $return );
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}
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function is_dot_git_dir( $dir ) {
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$realpath = realpath( $dir );
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$git_config = realpath( $realpath . '/config' );
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$git_index = realpath( $realpath . '/index' );
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if ( ! empty( $realpath ) && is_dir( $realpath ) && file_exists( $git_config ) && file_exists( $git_index ) ) {
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return True;
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}
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return False;
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}
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function cleanup() {
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$dot_git_dir = realpath( $this->repo_dir . '/.git' );
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if ( $this->is_dot_git_dir( $dot_git_dir ) && $this->_rrmdir( $dot_git_dir ) ) {
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if ( WP_DEBUG ) {
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error_log( "Gitium cleanup successfull. Removed '$dot_git_dir'." );
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}
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return True;
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}
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if ( WP_DEBUG ) {
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error_log( "Gitium cleanup failed. '$dot_git_dir' is not a .git dir." );
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}
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return False;
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}
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function add_remote_url( $url ) {
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list( $return, ) = $this->_call( 'remote', 'add', 'origin', $url );
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return ( 0 == $return );
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}
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function get_remote_url() {
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list( , $response ) = $this->_call( 'config', '--get', 'remote.origin.url' );
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if ( isset( $response[0] ) ) {
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return $response[0];
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}
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return '';
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}
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function remove_remote() {
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list( $return, ) = $this->_call( 'remote', 'rm', 'origin');
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return ( 0 == $return );
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}
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function get_remote_tracking_branch() {
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list( $return, $response ) = $this->_call( 'rev-parse', '--abbrev-ref', '--symbolic-full-name', '@{u}' );
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if ( 0 == $return ) {
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return $response[0];
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}
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return false;
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}
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function get_local_branch() {
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list( $return, $response ) = $this->_call( 'rev-parse', '--abbrev-ref', 'HEAD' );
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if ( 0 == $return ) {
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return $response[0];
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}
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return false;
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}
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function fetch_ref() {
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list( $return, ) = $this->_call( 'fetch', 'origin' );
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return ( 0 == $return );
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}
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protected function _resolve_merge_conflicts( $message ) {
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list( , $changes ) = $this->status( true );
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$this->_log( $changes );
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foreach ( $changes as $path => $change ) {
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if ( in_array( $change, array( 'UD', 'DD' ) ) ) {
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$this->_call( 'rm', $path );
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$message .= "\n\tConflict: $path [removed]";
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} elseif ( 'DU' == $change ) {
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$this->_call( 'add', $path );
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$message .= "\n\tConflict: $path [added]";
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} elseif ( in_array( $change, array( 'AA', 'UU', 'AU', 'UA' ) ) ) {
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$this->_call( 'checkout', '--theirs', $path );
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$this->_call( 'add', '--all', $path );
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$message .= "\n\tConflict: $path [local version]";
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}
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}
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$this->commit( $message );
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}
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function get_commit_message( $commit ) {
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list( $return, $response ) = $this->_call( 'log', '--format=%B', '-n', '1', $commit );
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return ( $return !== 0 ? false : join( "\n", $response ) );
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}
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private function strpos_haystack_array( $haystack, $needle, $offset=0 ) {
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if ( ! is_array( $haystack ) ) { $haystack = array( $haystack ); }
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foreach ( $haystack as $query ) {
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if ( strpos( $query, $needle, $offset) !== false ) { return true; }
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}
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return false;
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}
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private function cherry_pick( $commits ) {
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foreach ( $commits as $commit ) {
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if ( empty( $commit ) ) { return false; }
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list( $return, $response ) = $this->_call( 'cherry-pick', $commit );
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// abort the cherry-pick if the changes are already pushed
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if ( false !== $this->strpos_haystack_array( $response, 'previous cherry-pick is now empty' ) ) {
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$this->_call( 'cherry-pick', '--abort' );
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continue;
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}
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if ( $return != 0 ) {
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$this->_resolve_merge_conflicts( $this->get_commit_message( $commit ) );
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}
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}
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}
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function merge_with_accept_mine(...$commits) {
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do_action( 'gitium_before_merge_with_accept_mine' );
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if ( 1 == count($commits) && is_array( $commits[0] ) ) {
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$commits = $commits[0];
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}
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// get ahead commits
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$ahead_commits = $this->get_ahead_commits();
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// combine all commits with the ahead commits
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$commits = array_unique( array_merge( array_reverse( $commits ), $ahead_commits ) );
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$commits = array_reverse( $commits );
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// get the remote branch
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$remote_branch = $this->get_remote_tracking_branch();
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// get the local branch
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$local_branch = $this->get_local_branch();
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// rename the local branch to 'merge_local'
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$this->_call( 'branch', '-m', 'merge_local' );
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// local branch set up to track remote branch
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$this->_call( 'branch', $local_branch, $remote_branch );
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// checkout to the $local_branch
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list( $return, ) = $this->_call( 'checkout', $local_branch );
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if ( $return != 0 ) {
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$this->_call( 'branch', '-M', $local_branch );
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return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
// don't cherry pick if there are no commits
|
||
|
|
if ( count( $commits ) > 0 ) {
|
||
|
|
$this->cherry_pick( $commits );
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( $this->successfully_merged() ) { // git status without states: AA, DD, UA, AU ...
|
||
|
|
// delete the 'merge_local' branch
|
||
|
|
$this->_call( 'branch', '-D', 'merge_local' );
|
||
|
|
return true;
|
||
|
|
} else {
|
||
|
|
$this->_call( 'cherry-pick', '--abort' );
|
||
|
|
$this->_call( 'checkout', '-b', 'merge_local' );
|
||
|
|
$this->_call( 'branch', '-M', $local_branch );
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function successfully_merged() {
|
||
|
|
list( , $response ) = $this->status( true );
|
||
|
|
$changes = array_values( $response );
|
||
|
|
return ( 0 == count( array_intersect( $changes, array( 'DD', 'AU', 'UD', 'UA', 'DU', 'AA', 'UU' ) ) ) );
|
||
|
|
}
|
||
|
|
|
||
|
|
function merge_initial_commit( $commit, $branch ) {
|
||
|
|
list( $return, ) = $this->_call( 'branch', '-m', 'initial' );
|
||
|
|
if ( 0 != $return ) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
list( $return, ) = $this->_call( 'checkout', $branch );
|
||
|
|
if ( 0 != $return ) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
list( $return, ) = $this->_call(
|
||
|
|
'cherry-pick', '--strategy', 'recursive', '--strategy-option', 'theirs', $commit
|
||
|
|
);
|
||
|
|
if ( $return != 0 ) {
|
||
|
|
$this->_resolve_merge_conflicts( $this->get_commit_message( $commit ) );
|
||
|
|
if ( ! $this->successfully_merged() ) {
|
||
|
|
$this->_call( 'cherry-pick', '--abort' );
|
||
|
|
$this->_call( 'checkout', 'initial' );
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
$this->_call( 'branch', '-D', 'initial' );
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
function get_remote_branches() {
|
||
|
|
list( , $response ) = $this->_call( 'branch', '-r' );
|
||
|
|
$response = array_map( 'trim', $response );
|
||
|
|
$response = array_map( create_function( '$b', 'return str_replace("origin/","",$b);' ), $response );
|
||
|
|
return $response;
|
||
|
|
}
|
||
|
|
|
||
|
|
function add(...$args) {
|
||
|
|
if ( 1 == count($args) && is_array( $args[0] ) ) {
|
||
|
|
$args = $args[0];
|
||
|
|
}
|
||
|
|
$params = array_merge( array( 'add', '-n', '--all' ), $args );
|
||
|
|
list ( , $response ) = call_user_func_array( array( $this, '_call' ), $params );
|
||
|
|
$count = count( $response );
|
||
|
|
|
||
|
|
$params = array_merge( array( 'add', '--all' ), $args );
|
||
|
|
list ( , $response ) = call_user_func_array( array( $this, '_call' ), $params );
|
||
|
|
|
||
|
|
return $count;
|
||
|
|
}
|
||
|
|
|
||
|
|
function commit( $message, $author_name = '', $author_email = '' ) {
|
||
|
|
$author = '';
|
||
|
|
if ( $author_email ) {
|
||
|
|
if ( empty( $author_name ) ) {
|
||
|
|
$author_name = $author_email;
|
||
|
|
}
|
||
|
|
$author = "$author_name <$author_email>";
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( ! empty( $author ) ) {
|
||
|
|
list( $return, $response ) = $this->_call( 'commit', '-m', $message, '--author', $author );
|
||
|
|
} else {
|
||
|
|
list( $return, $response ) = $this->_call( 'commit', '-m', $message );
|
||
|
|
}
|
||
|
|
if ( $return !== 0 ) { return false; }
|
||
|
|
|
||
|
|
list( $return, $response ) = $this->_call( 'rev-parse', 'HEAD' );
|
||
|
|
|
||
|
|
return ( $return === 0 ) ? $response[0] : false;
|
||
|
|
}
|
||
|
|
|
||
|
|
function push( $branch = '' ) {
|
||
|
|
if ( ! empty( $branch ) ) {
|
||
|
|
list( $return, ) = $this->_call( 'push', '--porcelain', '-u', 'origin', $branch );
|
||
|
|
} else {
|
||
|
|
list( $return, ) = $this->_call( 'push', '--porcelain', '-u', 'origin', 'HEAD' );
|
||
|
|
}
|
||
|
|
return ( $return == 0 );
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Get uncommited changes with status porcelain
|
||
|
|
* git status --porcelain
|
||
|
|
* It returns an array like this:
|
||
|
|
array(
|
||
|
|
file => deleted|modified
|
||
|
|
...
|
||
|
|
)
|
||
|
|
*/
|
||
|
|
function get_local_changes() {
|
||
|
|
list( $return, $response ) = $this->_call( 'status', '--porcelain' );
|
||
|
|
|
||
|
|
if ( 0 !== $return ) {
|
||
|
|
return array();
|
||
|
|
}
|
||
|
|
$new_response = array();
|
||
|
|
if ( ! empty( $response ) ) {
|
||
|
|
foreach ( $response as $line ) :
|
||
|
|
$work_tree_status = substr( $line, 1, 1 );
|
||
|
|
$path = substr( $line, 3 );
|
||
|
|
|
||
|
|
if ( ( '"' == $path[0] ) && ('"' == $path[strlen( $path ) - 1] ) ) {
|
||
|
|
// git status --porcelain will put quotes around paths with whitespaces
|
||
|
|
// we don't want the quotes, let's get rid of them
|
||
|
|
$path = substr( $path, 1, strlen( $path ) - 2 );
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( 'D' == $work_tree_status ) {
|
||
|
|
$action = 'deleted';
|
||
|
|
} else {
|
||
|
|
$action = 'modified';
|
||
|
|
}
|
||
|
|
$new_response[ $path ] = $action;
|
||
|
|
endforeach;
|
||
|
|
}
|
||
|
|
return $new_response;
|
||
|
|
}
|
||
|
|
|
||
|
|
function get_uncommited_changes() {
|
||
|
|
list( , $changes ) = $this->status();
|
||
|
|
return $changes;
|
||
|
|
}
|
||
|
|
|
||
|
|
function local_status() {
|
||
|
|
list( $return, $response ) = $this->_call( 'status', '-s', '-b', '-u' );
|
||
|
|
if ( 0 !== $return ) {
|
||
|
|
return array( '', array() );
|
||
|
|
}
|
||
|
|
|
||
|
|
$new_response = array();
|
||
|
|
if ( ! empty( $response ) ) {
|
||
|
|
$branch_status = array_shift( $response );
|
||
|
|
foreach ( $response as $idx => $line ) :
|
||
|
|
unset( $index_status, $work_tree_status, $path, $new_path, $old_path );
|
||
|
|
|
||
|
|
if ( empty( $line ) ) { continue; } // ignore empty lines like the last item
|
||
|
|
if ( '#' == $line[0] ) { continue; } // ignore branch status
|
||
|
|
|
||
|
|
$index_status = substr( $line, 0, 1 );
|
||
|
|
$work_tree_status = substr( $line, 1, 1 );
|
||
|
|
$path = substr( $line, 3 );
|
||
|
|
|
||
|
|
$old_path = '';
|
||
|
|
$new_path = explode( '->', $path );
|
||
|
|
if ( ( 'R' === $index_status ) && ( ! empty( $new_path[1] ) ) ) {
|
||
|
|
$old_path = trim( $new_path[0] );
|
||
|
|
$path = trim( $new_path[1] );
|
||
|
|
}
|
||
|
|
$new_response[ $path ] = trim( $index_status . $work_tree_status . ' ' . $old_path );
|
||
|
|
endforeach;
|
||
|
|
}
|
||
|
|
|
||
|
|
return array( $branch_status, $new_response );
|
||
|
|
}
|
||
|
|
|
||
|
|
function status( $local_only = false ) {
|
||
|
|
list( $branch_status, $new_response ) = $this->local_status();
|
||
|
|
|
||
|
|
if ( $local_only ) { return array( $branch_status, $new_response ); }
|
||
|
|
|
||
|
|
$behind_count = 0;
|
||
|
|
$ahead_count = 0;
|
||
|
|
if ( preg_match( '/## ([^.]+)\.+([^ ]+)/', $branch_status, $matches ) ) {
|
||
|
|
$local_branch = $matches[1];
|
||
|
|
$remote_branch = $matches[2];
|
||
|
|
|
||
|
|
list( , $response ) = $this->_call( 'rev-list', "$local_branch..$remote_branch", '--count' );
|
||
|
|
$behind_count = (int)$response[0];
|
||
|
|
|
||
|
|
list( , $response ) = $this->_call( 'rev-list', "$remote_branch..$local_branch", '--count' );
|
||
|
|
$ahead_count = (int)$response[0];
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( $behind_count ) {
|
||
|
|
list( , $response ) = $this->_call( 'diff', '-z', '--name-status', "$local_branch~$ahead_count", $remote_branch );
|
||
|
|
$response = explode( chr( 0 ), $response[0] );
|
||
|
|
array_pop( $response );
|
||
|
|
for ( $idx = 0 ; $idx < count( $response ) / 2 ; $idx++ ) {
|
||
|
|
$file = $response[ $idx * 2 + 1 ];
|
||
|
|
$change = $response[ $idx * 2 ];
|
||
|
|
if ( ! isset( $new_response[ $file ] ) ) {
|
||
|
|
$new_response[ $file ] = "r$change";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return array( $branch_status, $new_response );
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Checks if repo has uncommited changes
|
||
|
|
* git status --porcelain
|
||
|
|
*/
|
||
|
|
function is_dirty() {
|
||
|
|
$changes = $this->get_uncommited_changes();
|
||
|
|
return ! empty( $changes );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Return the last n commits
|
||
|
|
*/
|
||
|
|
function get_last_commits( $n = 20 ) {
|
||
|
|
list( $return, $message ) = $this->_call( 'log', '-n', $n, '--pretty=format:%s' );
|
||
|
|
if ( 0 !== $return ) { return false; }
|
||
|
|
|
||
|
|
list( $return, $response ) = $this->_call( 'log', '-n', $n, '--pretty=format:%h|%an|%ae|%ad|%cn|%ce|%cd' );
|
||
|
|
if ( 0 !== $return ) { return false; }
|
||
|
|
|
||
|
|
foreach ( $response as $index => $value ) {
|
||
|
|
$commit_info = explode( '|', $value );
|
||
|
|
$commits[ $commit_info[0] ] = array(
|
||
|
|
'subject' => $message[ $index ],
|
||
|
|
'author_name' => $commit_info[1],
|
||
|
|
'author_email' => $commit_info[2],
|
||
|
|
'author_date' => $commit_info[3],
|
||
|
|
);
|
||
|
|
if ( $commit_info[1] != $commit_info[4] && $commit_info[2] != $commit_info[5] ) {
|
||
|
|
$commits[ $commit_info[0] ]['committer_name'] = $commit_info[4];
|
||
|
|
$commits[ $commit_info[0] ]['committer_email'] = $commit_info[5];
|
||
|
|
$commits[ $commit_info[0] ]['committer_date'] = $commit_info[6];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return $commits;
|
||
|
|
}
|
||
|
|
|
||
|
|
public function set_gitignore( $content ) {
|
||
|
|
file_put_contents( $this->repo_dir . '/.gitignore', $content );
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
public function get_gitignore() {
|
||
|
|
return file_get_contents( $this->repo_dir . '/.gitignore' );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Remove files in .gitignore from version control
|
||
|
|
*/
|
||
|
|
function rm_cached( $path ) {
|
||
|
|
list( $return, ) = $this->_call( 'rm', '--cached', $path );
|
||
|
|
return ( $return == 0 );
|
||
|
|
}
|
||
|
|
|
||
|
|
function remove_wp_content_from_version_control() {
|
||
|
|
$process = proc_open(
|
||
|
|
'rm -rf ' . ABSPATH . '/wp-content/.git',
|
||
|
|
array(
|
||
|
|
0 => array( 'pipe', 'r' ), // stdin
|
||
|
|
1 => array( 'pipe', 'w' ), // stdout
|
||
|
|
),
|
||
|
|
$pipes
|
||
|
|
);
|
||
|
|
if ( is_resource( $process ) ) {
|
||
|
|
fclose( $pipes[0] );
|
||
|
|
proc_close( $process );
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( ! defined( 'GIT_DIR' ) ) {
|
||
|
|
define( 'GIT_DIR', dirname( WP_CONTENT_DIR ) );
|
||
|
|
}
|
||
|
|
|
||
|
|
# global is needed here for wp-cli as it includes/exec files inside a function scope
|
||
|
|
# this forces the context to really be global :\.
|
||
|
|
global $git;
|
||
|
|
$git = new Git_Wrapper( GIT_DIR );
|