From: Felix Fietkau <nbd@nbd.name>
Date: Fri, 15 Sep 2023 22:00:00 +0000 (-0600)
Subject: libubox: Drop extraneous space when appending values to variable
X-Git-Url: http://git.openwrt.org/?a=commitdiff_plain;h=82cb5fd66af910c71deef67d49a5c9e3d319bde9;p=project%2Flibubox.git

libubox: Drop extraneous space when appending values to variable

Don't have a leading space when building out a variable via appends.

Fixes: #15
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Philip Prindeville <philipp@redfish-solutions.com>
Signed-off-by: Petr Štetiar <ynezz@true.cz> [fix fixes trailer]
---

diff --git a/sh/jshn.sh b/sh/jshn.sh
index 1d30557..66ca952 100644
--- a/sh/jshn.sh
+++ b/sh/jshn.sh
@@ -23,7 +23,7 @@ __jshn_raw_append() {
 _jshn_append() {
 	# var=$1
 	local _a_value="$2"
-	eval "${JSON_PREFIX}$1=\"\${${JSON_PREFIX}$1} \$_a_value\""
+	eval "${JSON_PREFIX}$1=\"\${${JSON_PREFIX}$1}\${${JSON_PREFIX}$1:+ }\$_a_value\""
 }
 
 _get_var() {