treewide: use /usr/bin/env where appropriate

Some Unix systems (GuixSD, NixOS) do not install programs like
Bash and Python to /usr/bin, and /usr/bin/env has to be used to
locate these instead.

Change-Id: I7546bcb881c532adc984577ecb0ee2ec4f2efe00
Signed-off-by: Yegor Timoshenko <yegortimoshenko@riseup.net>
Reviewed-on: https://review.coreboot.org/28953
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>

8 files changed, 10 insertions, 8 deletions

diff --git a/util/scripts/config b/util/scripts/config
index e0e39826da..ba11e350e8 100755
--- a/util/scripts/config
+++ b/util/scripts/config
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # SPDX-License-Identifier: GPL-2.0
 # Manipulate options in a .config file from the command line
 
diff --git a/util/scripts/dts-to-fmd.sh b/util/scripts/dts-to-fmd.sh
index 00e718bebd..b468b35bcd 100755
--- a/util/scripts/dts-to-fmd.sh
+++ b/util/scripts/dts-to-fmd.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # Copyright 2015 Google Inc.
 #
diff --git a/util/scripts/gerrit-rebase b/util/scripts/gerrit-rebase
index c4f8a80e2a..276142d6b9 100755
--- a/util/scripts/gerrit-rebase
+++ b/util/scripts/gerrit-rebase
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Copyright 2016 Google Inc.
 #
diff --git a/util/scripts/get_maintainer.pl b/util/scripts/get_maintainer.pl
index 4f34a4e6fb..c24a6d4d69 100755
--- a/util/scripts/get_maintainer.pl
+++ b/util/scripts/get_maintainer.pl
@@ -1,4 +1,4 @@
-#!/usr/bin/perl -w
+#!/usr/bin/env perl
 # (c) 2007, Joe Perches <joe@perches.com>
 #           created from checkpatch.pl
 #
@@ -11,6 +11,7 @@
 # Licensed under the terms of the GNU GPL License version 2
 
 use strict;
+use warnings;
 
 my $P = $0;
 my $V = '0.26';
diff --git a/util/scripts/parse-maintainers.pl b/util/scripts/parse-maintainers.pl
index a0fe34349b..c0fd88cdc3 100755
--- a/util/scripts/parse-maintainers.pl
+++ b/util/scripts/parse-maintainers.pl
@@ -1,6 +1,7 @@
-#!/usr/bin/perl -w
+#!/usr/bin/env perl
 
 use strict;
+use warnings;
 
 my %map;
 
diff --git a/util/scripts/prepare-commit-msg.clang-format b/util/scripts/prepare-commit-msg.clang-format
index 7033f3cc07..a6b3d08a26 100755
--- a/util/scripts/prepare-commit-msg.clang-format
+++ b/util/scripts/prepare-commit-msg.clang-format
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 files=`git diff --cached --name-only | grep '\.[ch]$'`
 if [ -z "$files" ]; then
 	exit 0
diff --git a/util/scripts/ucode_h_to_bin.sh b/util/scripts/ucode_h_to_bin.sh
index 2d7f5fa132..f08b053b8e 100755
--- a/util/scripts/ucode_h_to_bin.sh
+++ b/util/scripts/ucode_h_to_bin.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 #
 # This file is part of the coreboot project.
 #
diff --git a/util/scripts/update_submodules b/util/scripts/update_submodules
index b555495eda..68d8a948ac 100755
--- a/util/scripts/update_submodules
+++ b/util/scripts/update_submodules
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # This file is part of the coreboot project.
 #