From: Roy Marples <roy@marples.name>
Date: Tue, 13 Jun 2017 14:29:45 +0000 (+0100)
Subject: In uniqify(), prefix a space if there is already a result when appending.
X-Git-Tag: v7.0.0-rc2~61
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=388b27468240449b5bdd10ddd6971213c31e3364;p=thirdparty%2Fdhcpcd.git

In uniqify(), prefix a space if there is already a result when appending.
This means we don't have to trim a space on output.
---

diff --git a/hooks/dhcpcd-run-hooks.in b/hooks/dhcpcd-run-hooks.in
index 78448cc6..db971342 100644
--- a/hooks/dhcpcd-run-hooks.in
+++ b/hooks/dhcpcd-run-hooks.in
@@ -33,10 +33,10 @@ uniqify()
 	for i do
 		case " $result " in
 			*" $i "*);;
-			*) result="$result $i";;
+			*) result="$result${result:+ }$i";;
 		esac
 	done
-	echo "${result# *}"
+	echo "$result"
 }
 
 # List interface config files in a directory.