From d2381d20532e3f885ee8e5437d3f8c3da9473110 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Adrian=20B=C3=BChler?=
 <48823479+adibue@users.noreply.github.com>
Date: Fri, 14 Jan 2022 09:33:42 +0100
Subject: [PATCH] Changed xpath to use 'last()'

When I created PR #374, the sparkle feed had just one entry. Turns out, that Docker uses the last entry of the feed for the latest version.
With simply changing xpath to use `[last()]`, the version checking now behaves as expected.
---
 fragments/labels/docker.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fragments/labels/docker.sh b/fragments/labels/docker.sh
index 5dd5e4e..1fd1b75 100644
--- a/fragments/labels/docker.sh
+++ b/fragments/labels/docker.sh
@@ -3,10 +3,10 @@ docker)
     type="dmg"
     if [[ $(arch) == arm64 ]]; then
      downloadURL="https://desktop.docker.com/mac/stable/arm64/Docker.dmg"
-     appNewVersion=$( curl -fs "https://desktop.docker.com/mac/main/arm64/appcast.xml" | xpath '(//rss/channel/item/enclosure/@sparkle:shortVersionString)[1]' 2>/dev/null | cut -d '"' -f2 )
+     appNewVersion=$( curl -fs "https://desktop.docker.com/mac/main/arm64/appcast.xml" | xpath '(//rss/channel/item/enclosure/@sparkle:shortVersionString)[last()]' 2>/dev/null | cut -d '"' -f2 )
     elif [[ $(arch) == i386 ]]; then
      downloadURL="https://desktop.docker.com/mac/stable/amd64/Docker.dmg"
-     appNewVersion=$( curl -fs "https://desktop.docker.com/mac/main/amd64/appcast.xml" | xpath '(//rss/channel/item/enclosure/@sparkle:shortVersionString)[1]' 2>/dev/null | cut -d '"' -f2 )
+     appNewVersion=$( curl -fs "https://desktop.docker.com/mac/main/amd64/appcast.xml" | xpath '(//rss/channel/item/enclosure/@sparkle:shortVersionString)[last()]' 2>/dev/null | cut -d '"' -f2 )
     fi
     expectedTeamID="9BNSXJN65R"
     ;;