From: Martin Mares <mj@ucw.cz>
Date: Sun, 3 Feb 2008 22:38:22 +0000 (+0100)
Subject: Decreased the amount of shell magic in override-vars.
X-Git-Tag: python-dummy-working~243
X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=99653cd8d766cabaed2b1f2628e0b041fc0837c8;p=eval.git

Decreased the amount of shell magic in override-vars.
---

diff --git a/bin/lib b/bin/lib
index 981b010..2e9ed7e 100644
--- a/bin/lib
+++ b/bin/lib
@@ -53,14 +53,13 @@ function try-ln
 
 function override-vars
 {
-	local OR V OLDIFS
+	local OR V W
 	declare -a OR
-	OLDIFS="$IFS"
-	IFS=$'\n'
-	OR=($(set | sed "s/^$1_//;t;d")) || true
-	IFS="$OLDIFS"
+	# `${!${1}_@}' does not work, so we have to use eval
+	OR=($(eval echo '${!'$1'_@}'))
 	for V in "${OR[@]}" ; do
-		eval "$V"
+		W=${V##$1_}
+		eval $W='"$'$V'"'
 	done
 }