setup-timezone: code cleanup. rename zonepath to timezone

setup-timezone.in

@@ -79,10 +79,10 @@ fi
 apk add --quiet $pkg
 
 if [ -L "${ROOT}"etc/zoneinfo/localtime ]; then
-	zonepath=$(readlink "${ROOT}"etc/zoneinfo/localtime)
-	zonepath=${zonepath#*/zoneinfo/}
+	timezone=$(readlink "${ROOT}"etc/zoneinfo/localtime)
+	timezone=${timezone#*/zoneinfo/}
 else
-	zonepath=UTC
+	timezone=UTC
 fi
 
 
@@ -92,28 +92,28 @@ while true; do
 		break
 	fi
 
-	echo -n "Which timezone are you in? ('?' for list) [$zonepath] "
-	default_read zonepath "$zonepath"
-	case "$zonepath" in
+	echo -n "Which timezone are you in? ('?' for list) [$timezone] "
+	default_read timezone "$timezone"
+	case "$timezone" in
 	"") continue;;
 	"?") show_tz_list; continue;;
 	esac
 
-	while [ -d "$zroot/$zonepath" ]; do
+	while [ -d "$zroot/$timezone" ]; do
 		zone=
-		echo -n "What sub-timezone of '$zonepath' are you in? ('?' for list) "
+		echo -n "What sub-timezone of '$timezone' are you in? ('?' for list) "
 		default_read zone
 		case "$zone" in
-		"?") show_tz_list "$zonepath"; continue;;
+		"?") show_tz_list "$timezone"; continue;;
 		esac
-		zonepath="$zonepath/$zone"
+		timezone="$timezone/$zone"
 	done
 
-	if [ -f "$zroot/$zonepath" ]; then
-		setup_tz "$zroot/$zonepath"
+	if [ -f "$zroot/$timezone" ]; then
+		setup_tz "$zroot/$timezone"
 		break
 	fi
-	echo "'$zonepath' is not a valid timezone on this system"
+	echo "'$timezone' is not a valid timezone on this system"
 done
 
 if [ -n "$apkdel" ]; then