From 9f84493fc6896f919a0679569832aec6a3898a69 Mon Sep 17 00:00:00 2001
From: Luke Shumaker <lukeshu@datawire.io>
Date: Fri, 3 May 2019 13:28:30 -0400
Subject: wmii: rbar_wifi: Clean up down interfaces

---
 .config/wmii-hg/rbar_wifi | 29 +++++++++++++++++++++++++----
 1 file changed, 25 insertions(+), 4 deletions(-)

diff --git a/.config/wmii-hg/rbar_wifi b/.config/wmii-hg/rbar_wifi
index 1a4f71a..c77efa5 100755
--- a/.config/wmii-hg/rbar_wifi
+++ b/.config/wmii-hg/rbar_wifi
@@ -1,5 +1,17 @@
 #!/usr/bin/env bash
 
+in_array() {
+	local needle straw haystack
+	needle=$1
+	haystack=("${@:2}")
+	for straw in "${haystack[@]}"; do
+		if [[ "$needle" = "$straw" ]]; then
+			return 0
+		fi
+	done
+	return 1
+}
+
 update() {
 	local id
 	id=$1
@@ -23,10 +35,19 @@ update() {
 			esac
 			parts+=("$(ifdata -pa "$iface")")
 			IFS='|'
-			printf '%s\n' "${iface}:${parts[*]}"
-		done | cat -n | while read -r n line; do
-			printf "label %s\n" "$line" | write "${id}.${n}"
-		done
+			printf '%s %s\n' "$iface" "${parts[*]}"
+		done | (
+			ifaces=()
+			while read -r iface data; do
+				ifaces+=("$iface")
+				printf "label %s\n" "${iface}:${data}" | write "${id}.${iface}"
+			done
+			for file in "${XDG_RUNTIME_DIR}"/wmii*/rbar/"${id}".*; do
+				    if ! in_array "${file##*/"$id".}" "${ifaces[@]}"; then
+					    rm -f -- "$file"
+				    fi
+			done
+		)
 		sleep 1
 	done
 }
-- 
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