Author: dteske
Date: Thu Jul 31 22:00:36 2014
New Revision: 269351
URL: http://svnweb.freebsd.org/changeset/base/269351
Log:
Define a setvar() function for platforms using a shell unlike FreeBSD's
sh(1) for `/bin/sh' (e.g., bash(1) which lacks a setvar definition).
This is to improve portability to other Operating Systems (e.g., Linux).
Modified:
head/usr.sbin/bsdconfig/share/common.subr
Modified: head/usr.sbin/bsdconfig/share/common.subr
==============================================================================
--- head/usr.sbin/bsdconfig/share/common.subr Thu Jul 31 20:55:05 2014
(r269350)
+++ head/usr.sbin/bsdconfig/share/common.subr Thu Jul 31 22:00:36 2014
(r269351)
@@ -220,6 +220,32 @@ f_have()
f_quietly type "$@"
}
+# setvar $var_to_set [$value]
+#
+# Implement setvar for shells such as unlike FreeBSD sh(1).
+#
+if ! f_have setvar; then
+setvar()
+{
+ [ $# -gt 0 ] || return $SUCCESS
+ local __setvar_var_to_set="$1" __setvar_right="$2" __setvar_left=
+ case $# in
+ 1) unset "$__setvar_var_to_set"
+ return $? ;;
+ 2) : fall through ;;
+ *) f_err "setvar: too many arguments\n"
+ return $FAILURE
+ esac
+ while case "$__setvar_r" in *\'*) : ;; *) false ; esac
+ do
+ __setvar_left="$__setvar_left${__setvar_right%%\'*}'\\''"
+ __setvar_right="${__setvar_right#*\'}"
+ done
+ __setvar_left="$__setvar_left${__setvar_right#*\'}"
+ eval "$__setvar_var_to_set='$__setvar_left'"
+}
+fi
+
# f_which $anything [$var_to_set]
#
# A fast built-in replacement for syntaxes such as foo=$( which bar ). In a
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