From 796e53414f6791acee33bc54746e38f26b7eb1d2 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@openwrt.org>
Date: Fri, 15 Jun 2007 15:12:57 +0000
Subject: [PATCH] allow config_* and uci_* functions to work on files outside
 of /etc/config - these files are assumed to use commands generated by uci_*
 only (as overlay to regular config files)

SVN-Revision: 7636
---
 package/base-files/files/etc/functions.sh  |  6 +++-
 package/base-files/files/lib/config/uci.sh | 40 ++++++++++++++++------
 2 files changed, 34 insertions(+), 12 deletions(-)

diff --git a/package/base-files/files/etc/functions.sh b/package/base-files/files/etc/functions.sh
index f757ffaf26..7ba59afbbe 100755
--- a/package/base-files/files/etc/functions.sh
+++ b/package/base-files/files/etc/functions.sh
@@ -85,7 +85,11 @@ config_clear() {
 }
 
 config_load() {
-	local file="$UCI_ROOT/etc/config/$1"
+	local file
+	case "$1" in
+		/*) file="$1";;
+		*) file="$UCI_ROOT/etc/config/$1";;
+	esac
 	_C=0
 	export ${NO_EXPORT:+-n} CONFIG_SECTIONS=
 	export ${NO_EXPORT:+-n} CONFIG_NUM_SECTIONS=0
diff --git a/package/base-files/files/lib/config/uci.sh b/package/base-files/files/lib/config/uci.sh
index e0293363b3..e0cd1763c3 100644
--- a/package/base-files/files/lib/config/uci.sh
+++ b/package/base-files/files/lib/config/uci.sh
@@ -62,10 +62,18 @@ uci_add_update() {
 	local PACKAGE="$1"
 	local UPDATE="$2"
 	local PACKAGE_BASE="$(basename "$PACKAGE")"
-	
+	local UCIFILE
+
+	case "$PACKAGE" in
+		/*) UCIFILE="$PACKAGE";;
+		*)
+			UCIDIR="/tmp/.uci/$PACKAGE_BASE"
+			mkdir -p "/tmp/.uci"
+		;;
+	esac
+
 	# FIXME: add locking?
-	mkdir -p "/tmp/.uci"
-	echo "$UPDATE" >> "/tmp/.uci/${PACKAGE_BASE}"
+	echo "$UPDATE" >> "$UCIFILE"
 }
 
 uci_set() {
@@ -74,14 +82,21 @@ uci_set() {
 	local OPTION="$3"
 	local VALUE="$4"
 
-	( # spawn a subshell so you don't mess up the current environment
-		uci_load "$PACKAGE"
-		config_get OLDVAL "$CONFIG" "$OPTION"
-		if [ "$OLDVAL" != "$VALUE" ]; then
-			config_get type "$CONFIG" TYPE
-			[ -z "$type" ]
-		fi
-	) || uci_add_update "$PACKAGE" "config_set '$CONFIG' '$OPTION' '$VALUE'"
+	case "$PACKAGE" in
+		/*)
+			uci_add_update "$PACKAGE" "config_set '$CONFIG' '$OPTION' '$VALUE'"
+		;;
+		*)
+			( # spawn a subshell so you don't mess up the current environment
+				uci_load "$PACKAGE"
+				config_get OLDVAL "$CONFIG" "$OPTION"
+				if [ "$OLDVAL" != "$VALUE" ]; then
+					config_get type "$CONFIG" TYPE
+					[ -z "$type" ]
+				fi
+			) || uci_add_update "$PACKAGE" "config_set '$CONFIG' '$OPTION' '$VALUE'"
+		;;
+	esac
 }
 
 uci_add() {
@@ -116,6 +131,9 @@ uci_commit() {
 	local PACKAGE="$1"
 	local PACKAGE_BASE="$(basename "$PACKAGE")"
 
+	case "$PACKAGE" in
+		/*) return 0;;
+	esac
 	mkdir -p /tmp/.uci
 	LOCK=`which lock` || LOCK=:
 	$LOCK "/tmp/.uci/$PACKAGE_BASE.lock"