From c80032179ca00694a70ff71aa5cd0db14a8a45e2 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Wed, 6 Feb 2019 02:40:07 +0000
Subject: Make all commands return 2 in case of a usage error

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
 lsinitramfs      | 4 ++--
 mkinitramfs      | 6 +++---
 unmkinitramfs    | 2 +-
 update-initramfs | 2 +-
 4 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/lsinitramfs b/lsinitramfs
index 1235e4d..f86ad9c 100755
--- a/lsinitramfs
+++ b/lsinitramfs
@@ -9,7 +9,7 @@ usage()
 
 if [ "$#" -eq 0 ] ; then
 	usage >&2
-	exit 1
+	exit 2
 fi
 
 umi_opts="--list"
@@ -17,7 +17,7 @@ umi_opts="--list"
 OPTIONS=$(getopt -o hl --long help,long -n "$0" -- "$@")
 # Check for non-GNU getopt
 # shellcheck disable=SC2181
-if [ $? != 0 ] ; then echo "W: non-GNU getopt" >&2 ; exit 1 ; fi
+if [ $? != 0 ] ; then echo "W: non-GNU getopt" >&2 ; exit 2 ; fi
 
 eval set -- "$OPTIONS"
 
diff --git a/mkinitramfs b/mkinitramfs
index aaed605..3c3eb6c 100755
--- a/mkinitramfs
+++ b/mkinitramfs
@@ -26,14 +26,14 @@ Options:
 
 See mkinitramfs(8) for further details.
 EOF
-	exit 1
+	exit 2
 }
 
 OPTIONS=$(getopt -o c:d:ko:r:v -n "$0" -- "$@")
 
 # Check for non-GNU getopt
 # shellcheck disable=SC2181
-if [ $? != 0 ] ; then echo "W: non-GNU getopt" >&2 ; exit 1 ; fi
+if [ $? != 0 ] ; then echo "W: non-GNU getopt" >&2 ; exit 2 ; fi
 
 eval set -- "$OPTIONS"
 
@@ -154,7 +154,7 @@ esac
 case "${version}" in
 */*)
 	echo "$PROG: ${version} is not a valid kernel version" >&2
-	exit 1
+	exit 2
 	;;
 esac
 
diff --git a/unmkinitramfs b/unmkinitramfs
index 9414403..852bc1b 100755
--- a/unmkinitramfs
+++ b/unmkinitramfs
@@ -120,7 +120,7 @@ splitinitramfs()
 OPTIONS=$(getopt -o hv --long help,list,verbose -n "$0" -- "$@")
 # Check for non-GNU getopt
 # shellcheck disable=SC2181
-if [ $? != 0 ] ; then echo "W: non-GNU getopt" >&2 ; exit 1 ; fi
+if [ $? != 0 ] ; then echo "W: non-GNU getopt" >&2 ; exit 2 ; fi
 
 cpio_opts="--preserve-modification-time --no-absolute-filenames --quiet"
 expected_args=2
diff --git a/update-initramfs b/update-initramfs
index c059266..2a8a413 100755
--- a/update-initramfs
+++ b/update-initramfs
@@ -56,7 +56,7 @@ usage_error()
 		printf "%s\\n\\n" "${*}" >&2
 	fi
 	usage >&2
-	exit 1
+	exit 2
 }
 
 mild_panic()
-- 
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