Remove bashisms from the entry directory plugin

- Use [ not [[ and -n to test for non-emptiness

Signed-off-by: Denis Pynkin <denis.pynkin@collabora.com>

debian/patches/apertis/Remove-bashisms-from-the-entry-directory-plugin.patch

+From 2b89d2fe0193b36fa892ccc368e81efa8e854bb9 Mon Sep 17 00:00:00 2001
+From: Denis Pynkin <denis.pynkin@collabora.com>
+Date: Mon, 26 Apr 2021 23:00:48 +0300
+Subject: Remove bashisms from the entry directory plugin
+
+- Use [ not [[ and -n to test for non-emptiness
+
+Signed-off-by: Denis Pynkin <denis.pynkin@collabora.com>
+---
+ src/kernel-install/00-entry-directory.install | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/src/kernel-install/00-entry-directory.install b/src/kernel-install/00-entry-directory.install
+index 21c09fa..e2fc396 100644
+--- a/src/kernel-install/00-entry-directory.install
++++ b/src/kernel-install/00-entry-directory.install
+@@ -1,4 +1,4 @@
+-#!/usr/bin/env bash
++#/bin/sh
+ # -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
+ # ex: ts=8 sw=4 sts=4 et filetype=sh
+ 
+@@ -8,11 +8,11 @@ ENTRY_DIR_ABS="$3"
+ KERNEL_IMAGE="$4"
+ INITRD_OPTIONS_START="5"
+ 
+-if ! [[ $KERNEL_INSTALL_MACHINE_ID ]]; then
++if ! [ -z "$KERNEL_INSTALL_MACHINE_ID" ]; then
+     exit 0
+ fi
+ 
+-if [[ $COMMAND != add ]]; then
++if [ "$COMMAND" != "add" ]; then
+      exit 0
+ fi
+ 
+-- 
+2.20.1
+

debian/patches/series

@@ -25,3 +25,4 @@ apertis/Add-usr-to-non-unmountable-list.patch
 apertis/Remove-bashisms-from-the-depmod-wrapper.patch
 apertis/Remove-bashisms-from-the-UEFI-entries-generator.patch
 apertis/Reworked-kernel-install-script.patch
+apertis/Remove-bashisms-from-the-entry-directory-plugin.patch