usage: take exit code as param

thus it can correctly indicate success/fail status instead of always
indicating failure. when a user asks for usage with -u|--usage then we
should exit in success mode rather than failure as when usage in printed
in response to incorrect usage.

Gbp-Dch: Short

frontend/lb

@@ -25,7 +25,7 @@ Arguments frontend "${@}"
 eval set -- "${REMAINING_ARGS}"
 
 if [ -z "${1}" ]; then
-	Usage
+	Usage 1
 fi
 
 COMMAND="${1}"

functions/arguments.sh

@@ -127,7 +127,7 @@ Arguments ()
 					fi
 					exit 0
 				elif [ "${IS_FRONTEND}" = "true" ]; then
-					Usage
+					Usage 0
 				fi
 				;;
 
@@ -137,7 +137,7 @@ Arguments ()
 				;;
 
 			-u|--usage)
-				Usage
+				Usage 0
 				shift
 				;;
 

functions/usage.sh

@@ -11,6 +11,10 @@
 
 Usage ()
 {
+	if [ -z "${1}" ]; then
+		Echo_error "Usage() requires an exit code"
+	fi
+
 	echo "${PROGRAM_NAME} - ${DESCRIPTION}"
 	printf "\nUsage:\n\n"
 
@@ -25,5 +29,5 @@ Usage ()
 	echo
 	echo "Try \"${PROGRAM} --help\" for more information."
 
-	exit 1
+	exit $1
 }

scripts/build/chroot_apt

@@ -217,6 +217,6 @@ case "${1}" in
 		;;
 
 	*)
-		Usage
+		Usage 1
 		;;
 esac

scripts/build/chroot_archives

@@ -23,7 +23,7 @@ _ACTION="${2}"
 shift 2
 
 if ! In_list "${_PASS}" "binary" "chroot" "source"; then
-	Usage
+	Usage 1
 fi
 
 # Processing arguments and configuration files
@@ -441,6 +441,6 @@ case "${_ACTION}" in
 		;;
 
 	*)
-		Usage
+		Usage 1
 		;;
 esac

scripts/build/chroot_debianchroot

@@ -67,6 +67,6 @@ case "${1}" in
 		;;
 
 	*)
-		Usage
+		Usage 1
 		;;
 esac

scripts/build/chroot_devpts

@@ -63,6 +63,6 @@ case "${1}" in
 		;;
 
 	*)
-		Usage
+		Usage 1
 		;;
 esac

scripts/build/chroot_dpkg

@@ -84,6 +84,6 @@ EOF
 		;;
 
 	*)
-		Usage
+		Usage 1
 		;;
 esac

scripts/build/chroot_hostname

@@ -77,6 +77,6 @@ EOF
 		;;
 
 	*)
-		Usage
+		Usage 1
 		;;
 esac

scripts/build/chroot_hosts

@@ -83,6 +83,6 @@ EOF
 		;;
 
 	*)
-		Usage
+		Usage 1
 		;;
 esac

scripts/build/chroot_proc

@@ -67,6 +67,6 @@ case "${1}" in
 		;;
 
 	*)
-		Usage
+		Usage 1
 		;;
 esac

scripts/build/chroot_resolv

@@ -95,6 +95,6 @@ case "${1}" in
 		;;
 
 	*)
-		Usage
+		Usage 1
 		;;
 esac

scripts/build/chroot_selinuxfs

@@ -64,6 +64,6 @@ case "${1}" in
 		;;
 
 	*)
-		Usage
+		Usage 1
 		;;
 esac

scripts/build/chroot_sysfs

@@ -61,6 +61,6 @@ case "${1}" in
 		;;
 
 	*)
-		Usage
+		Usage 1
 		;;
 esac

scripts/build/chroot_sysv-rc

@@ -73,6 +73,6 @@ EOF
 		;;
 
 	*)
-		Usage
+		Usage 1
 		;;
 esac

scripts/build/chroot_tmpfs

@@ -66,6 +66,6 @@ case "${1}" in
 		;;
 
 	*)
-		Usage
+		Usage 1
 		;;
 esac

scripts/build/clean

@@ -144,7 +144,7 @@ do
 			;;
 
 		-u|--usage)
-			Usage
+			Usage 0
 			;;
 
 		-v|--version)
@@ -153,8 +153,7 @@ do
 			;;
 
 		*)
-			Usage
+			Usage 1
-			exit 1
 			;;
 	esac
 done

scripts/build/config

@@ -294,7 +294,7 @@ Local_arguments ()
 				;;
 
 			-u|--usage)
-				Usage
+				Usage 0
 				shift
 				;;