From df8eeba2fb5b0dc460b5f6aac5dafc380e17242e Mon Sep 17 00:00:00 2001
From: Roy Marples <roy@marples.name>
Date: Mon, 21 Apr 2008 17:32:17 +0000
Subject: Punt is_function in favour of POSIX shell builtin command, thanks to
 Harald van Dijk for the idea.

---
 sh/net.sh.in | 30 +++++++++++++++---------------
 1 file changed, 15 insertions(+), 15 deletions(-)

(limited to 'sh/net.sh.in')

diff --git a/sh/net.sh.in b/sh/net.sh.in
index 2e91358..3f42f9c 100644
--- a/sh/net.sh.in
+++ b/sh/net.sh.in
@@ -28,7 +28,7 @@ depend()
 		*) after net.lo net.lo0;;
 	esac
 
-	if is_function depend_${IFVAR}; then
+	if [ "$(command -v "depend_${IFVAR}")" = "depend_${IFVAR}" ]; then
 		depend_${IFVAR}
 	fi
 
@@ -344,7 +344,7 @@ _load_modules()
 		# Wrap our provides
 		local f=
 		for f in pre_start start post_start; do 
-			eval "${provides}_${f}() { is_function ${mod}_${f} || return 0; ${mod}_${f} \"\$@\"; }"
+			eval "${provides}_${f}() { [ "$(command -v "${mod}_${f}")" = "${mod}_${f}" ] || return 0; ${mod}_${f} \"\$@\"; }"
 		done
 
 		eval module_${mod}_provides="${provides}"
@@ -358,7 +358,7 @@ _load_modules()
 			eval x=\$module_${mod}_provides
 			[ -z "${x}" ] && continue
 			for f in pre_start start post_start; do 
-				eval "${x}_${f}() { is_function ${mod}_${f} || return 0; ${mod}_${f} \"\$@\"; }"
+				eval "${x}_${f}() { [ "$(command -v "${mod}_${f}")" = "${mod}_${f}" ] || return 0; ${mod}_${f} \"\$@\"; }"
 			done
 			eval module_${x}_providedby="${mod}"
 			;;
@@ -462,7 +462,7 @@ start()
 	# We up the iface twice if we have a preup to ensure it's up if
 	# available in preup and afterwards incase the user inadvertently
 	# brings it down
-	if is_function preup; then
+	if [ "$(command -v preup)" = "preup" ]; then
 		_up 2>/dev/null
 		ebegin "Running preup"
 		eindent
@@ -473,7 +473,7 @@ start()
 	_up 2>/dev/null
 	
 	for module in ${MODULES}; do
-		if is_function "${module}_pre_start"; then
+		if [ "$(command -v "${module}_pre_start")" = "${module}_pre_start"]; then
 			${module}_pre_start || exit $?
 		fi
 	done
@@ -522,7 +522,7 @@ start()
 			null) :;;
 			[0-9]*|*:*) _add_address ${config};;
 			*)
-				if is_function "${config}_start"; then
+				if [ "$(command -v "${config}_start")" = "${config}_start" ]; then
 					"${config}"_start
 				else
 					eerror "nothing provides \`${config}'"
@@ -547,7 +547,7 @@ start()
 	done
 
 	if ! ${oneworked}; then
-		if is_function failup; then
+		if [ "$(command -v failup)" = "failup" ]; then
 			ebegin "Running failup"
 			eindent
 			failup
@@ -600,12 +600,12 @@ ${routes}"
 	fi
 
 	for module in ${MODULES}; do
-		if is_function "${module}_post_start"; then
+		if [ "$(command -v "${module}_post_start")" = "${module}_post_start" ]; then
 			${module}_post_start || exit $?
 		fi
 	done
 
-	if is_function postup; then
+	if [ "$(command -v postup)" = "postup" ]; then
 		ebegin "Running postup"
 		eindent
 		postup 
@@ -628,7 +628,7 @@ stop()
 		_load_modules false
 	fi
 
-	if is_function predown; then
+	if [ "$(command -v predown)" = "predown" ]; then
 		ebegin "Running predown"
 		eindent
 		predown || return 1
@@ -641,24 +641,24 @@ stop()
 	fi
 
 	for module in ${MODULES}; do
-		if is_function "${module}_pre_stop"; then
+		if [ "$(command -v "${module}_pre_stop")" = "${module}_pre_stop" ]; then
 			${module}_pre_stop || exit $?
 		fi
 	done
 
 	for module in ${MODULES}; do
-		if is_function "${module}_stop"; then
+		if [ "$(command -v "${module}_stop")" = "${module}_stop" ]; then
 			${module}_stop
 		fi
 	done
 
 	# Only delete addresses for non PPP interfaces
-	if ! is_function is_ppp || ! is_ppp; then
+	if ! [ "$(command -v is_ppp)" = "is_ppp" ] || ! is_ppp; then
 		_delete_addresses "${IFACE}"
 	fi
 
 	for module in ${MODULES}; do
-		if is_function "${module}_post_stop"; then
+		if [ "$(command -v "${module}_post_stop")" = "${module}_post_stop" ]; then
 			${module}_post_stop
 		fi
 	done
@@ -669,7 +669,7 @@ stop()
 
 	type resolvconf >/dev/null 2>&1 && resolvconf -d "${IFACE}" 2>/dev/null
 
-	if is_function postdown; then
+	if [ "$(command -v "postdown")" = "postdown" ]; then
 		ebegin "Running postdown"
 		eindent
 		postdown
-- 
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