10 files changed, 25 insertions, 21 deletions
diff --git a/resources/scripts/download/coreboot b/resources/scripts/download/coreboot
index 727aacc2..821ee321 100755
--- a/resources/scripts/download/coreboot
+++ b/resources/scripts/download/coreboot
@@ -1,9 +1,10 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 #  helper script: download coreboot
 #
 #	Copyright (C) 2014, 2015, 2016, 2020, 2021 Leah Rowe <info@minifree.org>
 #	Copyright (C) 2022 Alper Nebi Yasak <alpernebiyasak@gmail.com>
+#	Copyright (C) 2022 Ferass El Hafidi <vitali64pmemail@protonmail.com>
 #
 #	This program is free software: you can redistribute it and/or modify
 #	it under the terms of the GNU General Public License as published by
@@ -52,17 +53,17 @@ usage()
 
 # In this script, set -u is used to check for undefined variables, and
 # the test command doesn't do any lazy evaluation, so we can't use
-# a syntax like that: [ $# -eq 1 -a "$1" == "--help" ].
+# a syntax like that: [ $# -eq 1 -a "$1" = "--help" ].
 
-if [ $# -eq 1 ] && [ "$1" == "--help" ] ; then
+if [ $# -eq 1 ] && [ "$1" = "--help" ] ; then
 	usage
 	exit 0
-elif [ $# -eq 1 ] && [ "$1" == "--list-boards" ] ; then
+elif [ $# -eq 1 ] && [ "$1" = "--list-boards" ] ; then
 	list_supported_boards
 	exit 0
 fi
 
-[[ -f build_error ]] && rm -f build_error
+[ -f build_error ] && rm -f build_error
 
 rm -f resources/coreboot/*/seen
 
@@ -90,7 +91,7 @@ downloadfor() {
 		fi
 
 		# This is to override $cbrevision and $cbtree
-		source "resources/coreboot/${board}/board.cfg" || touch ../build_error
+		. "resources/coreboot/${board}/board.cfg" || touch ../build_error
 		if [ -f build_error ]; then
 			printf "ERROR: download/coreboot: problem sourcing %s/board.cfg\n" "${board}"
 			return 1
diff --git a/resources/scripts/download/flashrom b/resources/scripts/download/flashrom
index 8a4cf829..c94ecc6f 100755
--- a/resources/scripts/download/flashrom
+++ b/resources/scripts/download/flashrom
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 #  helper script: downloads flashrom and patches it
 #
diff --git a/resources/scripts/download/gitmodule b/resources/scripts/download/gitmodule
index 1879fac0..603961e4 100755
--- a/resources/scripts/download/gitmodule
+++ b/resources/scripts/download/gitmodule
@@ -1,6 +1,7 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 # SPDX-FileCopyrightText: 2022 Caleb La Grange <thonkpeasant@protonmail.com>
+# SPDX-FileCopyrightText: 2022 Ferass El Hafidi <vitali64pmemail@protonmail.com>
 # SPDX-License-Identifier: GPL-3.0-only
 
 Print_help(){
@@ -72,8 +73,9 @@ while read -r line ; do
 		bkup_url=${2}
 		;;
 	esac
-done <<< $(eval "awk ' /\{.*${name}.*}{/ {flag=1;next} /\}/{flag=0} flag { print }' resources/git/revisions")
-
+done << EOF
+$(eval "awk ' /\{.*${name}.*}{/ {flag=1;next} /\}/{flag=0} flag { print }' resources/git/revisions")
+EOF
 Check_vars
 tmp_dir=$(mktemp -dt "${name}_XXXXX")
 
diff --git a/resources/scripts/download/grub b/resources/scripts/download/grub
index 5a8cc041..1d59ad09 100755
--- a/resources/scripts/download/grub
+++ b/resources/scripts/download/grub
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 #  helper script: Downloads GRUB and patches it.
 #
diff --git a/resources/scripts/download/ich9utils b/resources/scripts/download/ich9utils
index 72489f81..2e11fac1 100755
--- a/resources/scripts/download/ich9utils
+++ b/resources/scripts/download/ich9utils
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 #  helper script: downloads ich9utils
 #
diff --git a/resources/scripts/download/me_cleaner b/resources/scripts/download/me_cleaner
index 3f6ea3db..bb26a000 100755
--- a/resources/scripts/download/me_cleaner
+++ b/resources/scripts/download/me_cleaner
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 #
 #   Copyright (C) 2020 Leah Rowe <info@minifree.org>
 #
diff --git a/resources/scripts/download/memtest86plus b/resources/scripts/download/memtest86plus
index 92672a48..0e01b3a0 100755
--- a/resources/scripts/download/memtest86plus
+++ b/resources/scripts/download/memtest86plus
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 #  helper script: Downloads MemTest86+ and patches it
 #
diff --git a/resources/scripts/download/mrc b/resources/scripts/download/mrc
index 2b33ddb9..49657fec 100755
--- a/resources/scripts/download/mrc
+++ b/resources/scripts/download/mrc
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env sh
 
 # Download Intel MRC images
 #
diff --git a/resources/scripts/download/seabios b/resources/scripts/download/seabios
index 189e148b..f441986f 100755
--- a/resources/scripts/download/seabios
+++ b/resources/scripts/download/seabios
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 #
 #   Copyright (C) 2015, 2016, 2021 Leah Rowe <info@minifree.org>
 #
diff --git a/resources/scripts/download/u-boot b/resources/scripts/download/u-boot
index 1af513a4..161608c9 100755
--- a/resources/scripts/download/u-boot
+++ b/resources/scripts/download/u-boot
@@ -1,9 +1,10 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
 
 #  helper script: download u-boot
 #
 #	Copyright (C) 2021 Denis 'GNUtoo' Carikli  <GNUtoo@cyberdimension.org>
 #	Copyright (C) 2022 Alper Nebi Yasak <alpernebiyasak@gmail.com>
+#	Copyright (C) 2022 Ferass El Hafidi <vitali64pmemail@protonmail.com>
 #
 #	This program is free software: you can redistribute it and/or modify
 #	it under the terms of the GNU General Public License as published by
@@ -22,7 +23,7 @@
 [ "x${DEBUG+set}" = 'xset' ] && set -v
 set -u -e
 
-[[ -f build_error ]] && rm -f build_error
+[ -f build_error ] && rm -f build_error
 
 list_supported_boards() {
 	for board in resources/u-boot/*; do
@@ -55,7 +56,7 @@ downloadfor() {
 		fi
 
 		# This is to override $ubrevision and $ubtree
-		source "resources/u-boot/${board}/board.cfg" || touch build_error
+		. "resources/u-boot/${board}/board.cfg" || touch build_error
 		if [ -f build_error ]; then
 			printf "ERROR: %s: problem sourcing %s/board.cfg\n" \
 				"download/u-boot" "${board}"
@@ -239,10 +240,10 @@ if [ $# -eq 0 ] ; then
 		download_uboot_board "${board}"
 	done
 	exit 0
-elif [ $# -eq 1 -a "$1" == "--help" ] ; then
+elif [ $# -eq 1 ] && [ "$1" = "--help" ] ; then
 	usage
 	exit 0
-elif [ $# -eq 1 -a "$1" == "--list-boards" ] ; then
+elif [ $# -eq 1 ] && [ "$1" = "--list-boards" ] ; then
 	list_supported_boards
 	exit 0
 elif [ $# -eq 1 ] ; then