From 50e29d51f1df75482ab74f111790e14fc8e33af5 Mon Sep 17 00:00:00 2001
From: Aaron LI <aly@aaronly.me>
Date: Sat, 10 Mar 2018 20:23:47 +0800
Subject: Improve error() and check_os()

---
 dfly-update | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/dfly-update b/dfly-update
index 66966e6..d13931c 100755
--- a/dfly-update
+++ b/dfly-update
@@ -57,14 +57,16 @@ warn() {
 }
 
 error() {
+    local ec="$1"
+    shift
     echo "ERROR: $@" >&2
+    exit ${ec}
 }
 
 check_os() {
     local os=$(uname -s)
     if [ "${os}" != "DragonFly" ]; then
-        error "Not a DragonFly BSD system!"
-        exit ${EC_OS}
+        error ${EC_OS} "Not a DragonFly BSD system!"
     fi
 }
 
-- 
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