From 87b2f189f7888a4a1fa6ffbfe4b287c7111dd40c Mon Sep 17 00:00:00 2001
From: Benny Halevy <bhalevy@scylladb.com>
Date: Mon, 23 Dec 2019 10:52:17 +0200
Subject: [PATCH] dbuild: s/usage/die/

Suggested-by: Dejan Mircevski <dejan@scylladb.com>
> The use pattern of this function strongly suggests a name like `die`.

Signed-off-by: Benny Halevy <bhalevy@scylladb.com>
Message-Id: <20191223085219.1253342-2-bhalevy@scylladb.com>
---
 tools/toolchain/dbuild | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/tools/toolchain/dbuild b/tools/toolchain/dbuild
index 814c0f082d..d4d4b45891 100755
--- a/tools/toolchain/dbuild
+++ b/tools/toolchain/dbuild
@@ -46,9 +46,12 @@ EOF
     exit 0
 }
 
-function usage () {
+function die () {
+    msg="$1"
+    if [[ -n "$msg" ]]; then
+        echo "$(basename $0): $msg." 1>&2
+    fi
     cat <<EOF 1>&2
-$1
 
 Run \`$0 --help' to print the full help message.
 EOF
@@ -71,7 +74,7 @@ elif [[ "$1" = -* ]]; then
                     exec docker image ls
                 fi
                 if ! docker image inspect "$image" >/dev/null; then
-                    usage
+                    die
                 fi
                 continue
                 ;;
@@ -92,7 +95,7 @@ elif [[ "$1" = -* ]]; then
 	shift
     done
     if [[ "$1" != "--" ]]; then
-	usage "Expected '--' to terminate docker flag list"
+        die "Expected '--' to terminate docker flag list"
     fi
     shift
 fi