bp_is_activation( string $basename = '' )

function bp_is_activation( $basename = '' ) {
	$bp     = buddypress();
	$action = false;

	if ( ! empty( $_REQUEST['action'] ) && ( '-1' != $_REQUEST['action'] ) ) {
		$action = $_REQUEST['action'];
	} elseif ( ! empty( $_REQUEST['action2'] ) && ( '-1' != $_REQUEST['action2'] ) ) {
		$action = $_REQUEST['action2'];
	}

	// Bail if not activating.
	if ( empty( $action ) || !in_array( $action, array( 'activate', 'activate-selected' ) ) ) {
		return false;
	}

	// The plugin(s) being activated.
	if ( $action == 'activate' ) {
		$plugins = isset( $_GET['plugin'] ) ? array( $_GET['plugin'] ) : array();
	} else {
		$plugins = isset( $_POST['checked'] ) ? (array) $_POST['checked'] : array();
	}

	// Set basename if empty.
	if ( empty( $basename ) && !empty( $bp->basename ) ) {
		$basename = $bp->basename;
	}

	// Bail if no basename.
	if ( empty( $basename ) ) {
		return false;
	}

	// Is BuddyPress being activated?
	return in_array( $basename, $plugins );
}