build.config.xml

<?xml version="1.0" encoding="UTF-8" ?>

<project name="Config management" default="help">

    <target
            name="setup-config-sync-dir"
            description="Sets the config sync dir to '${drupal.config.dir}'"
            depends="writable-settings-folder, writable-settings-php">

        <reflexive>
            <fileset dir="${website.settings.dir}">
                <include pattern="settings.php" />
            </fileset>
            <filterchain>
                <replaceregexp>
                    <!-- Remove deprecated global variable. See https://www.drupal.org/node/3018145. -->
                    <regexp
                            pattern="^\s*\$config_directories\s*\[\s*('sync'|\&quot;sync\&quot;|CONFIG_SYNC_DIRECTORY)\s*\].*$\n"
                            replace=""
                            modifiers="m" />
                    <!-- Remove existing $settings['config_sync_directory'] setting -->
                    <regexp
                            pattern="^\s*\$settings\s*\[\s*('config_sync_directory'|\&quot;config_sync_directory\&quot;)\s*\].*$\n"
                            replace=""
                            modifiers="m" />
                </replaceregexp>
            </filterchain>
        </reflexive>
        <append destFile="${website.settings.php}" text="${line.separator}$settings['config_sync_directory'] = '${drupal.config.dir}';${line.separator}" />
    </target>


    <target name="setup-config-exclude" depends="writable-settings-folder, writable-settings-local-php">
        <!-- Remove previous configuration. -->
        <reflexive>
            <fileset dir="${website.settings.dir}">
                <include pattern="settings.local.php" />
            </fileset>
            <filterchain>
                <replaceregexp>
                    <regexp
                        pattern="^\s*\$settings\s*\[\s*('config_exclude_modules'|\&quot;config_exclude_modules\&quot;)\s*\].*$\n"
                        replace=""
                        modifiers="m" />
                </replaceregexp>
            </filterchain>
        </reflexive>

        <!-- Rebuild the settings. -->
        <php expression="'[&quot;' . implode('&quot;, &quot;', preg_split('/\s+/', trim('${drupal.modules.dev}'))) . '&quot;]'" returnProperty="modules.dev"/>
        <append destFile="${website.settings.local.php}" text="$settings['config_exclude_modules'] = ${modules.dev};${line.separator}"/>
    </target>

</project>