From 98d27c4a6a780ff333a99201166e899b017259ae Mon Sep 17 00:00:00 2001
From: Matthew R Chase <matt.chase.fox@gmail.com>
Date: Sun, 7 Apr 2019 15:04:03 -0400
Subject: [PATCH] Fix most-specific zone match

Most specific zone selected by deepest sub-domain (how many '.' in the domain)
rather than seemingly irrelevant count of the number of characters within the zone.
---
 dnsapi/dns_gcloud.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dnsapi/dns_gcloud.sh b/dnsapi/dns_gcloud.sh
index 99fbf41..87aceaa 100755
--- a/dnsapi/dns_gcloud.sh
+++ b/dnsapi/dns_gcloud.sh
@@ -134,12 +134,12 @@ _dns_gcloud_find_zone() {
   filter="$filter)"
   _debug filter "$filter"
 
-  # List domains and find the longest match (in case of some levels of delegation)
+  # List domains and find the zone with the deepest sub-domain (in case of some levels of delegation)
   if ! match=$(gcloud dns managed-zones list \
     --format="value(name, dnsName)" \
     --filter="$filter" \
     | while read -r dnsName name; do
-      printf "%s\t%s\t%s\n" "${#dnsName}" "$dnsName" "$name"
+      printf "%s\t%s\t%s\n" "$(awk -F"." '{print NF-1}' <<< "$name")" "$dnsName" "$name"
     done \
     | sort -n -r | _head_n 1 | cut -f2,3 | grep '^.*'); then
     _err "_dns_gcloud_find_zone: Can't find a matching managed zone! Perhaps wrong project or gcloud credentials?"