From 97c8cb1b64a660538b7ef6cf5a9b98f904a8bccc Mon Sep 17 00:00:00 2001
From: nbd <nbd@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Mon, 27 Nov 2006 04:25:34 +0000
Subject: trap chmod errors in tar unpack on bsd - modes like 02755 fail

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@5656 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 include/shell.sh | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'include/shell.sh')

diff --git a/include/shell.sh b/include/shell.sh
index 6ee0cf603..1e60692b9 100644
--- a/include/shell.sh
+++ b/include/shell.sh
@@ -13,3 +13,18 @@ isset() {
 	eval "var=\"\${$1}\""
 	[ -n "$var" ]
 }
+
+trapret() {(
+	local retvals="$1"; shift
+	local cmd="$1"; shift
+	for retval in $(echo $retvals); do
+		local trap_$retval=1
+	done
+	"$cmd" "$@" || {
+		local retval="$?"
+		eval "trapped=\${trap_$retval}"
+		[ -n "$trapped" ] || {
+			return $retval
+		}
+	}
+)}
-- 
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