simple-build-script.php

#!/usr/bin/php
<?php
$working_directory = getcwd();
$plugin_folder = basename( $working_directory );
$parent_folder = dirname( $working_directory );

/**
 * Check if there's a git repo in the current directory.
 */
if ( ! file_exists( $working_directory . '/.git/index') ) {
    die(PHP_EOL . "No git repo in the current directory {$working_directory}. Refusing to zip." . PHP_EOL . PHP_EOL);
}

chdir( $parent_folder );
shell_exec("rm -rf {$plugin_folder}.zip");
shell_exec("zip -r {$plugin_folder}.zip {$plugin_folder} -x '*.git*' -x '.DS_Store' -x '.travis.yml' -x 'bin' -x 'phpunit.xml.dist'  -x 'tests'");