From 567f899725ac4494bede7b12ffdc2b03cb2ea057 Mon Sep 17 00:00:00 2001
From: Ben Peddell <klightspeed@killerwolves.net>
Date: Tue, 29 Nov 2016 16:01:29 +1000
Subject: [PATCH] Check if depot manifests have changed

---
 tools/arkmanager | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/tools/arkmanager b/tools/arkmanager
index bdb6823..b70021d 100755
--- a/tools/arkmanager
+++ b/tools/arkmanager
@@ -546,6 +546,9 @@ function isUpdateNeeded(){
   bnumber="$(getAvailableVersion)"
   if [[ -z "$bnumber" || "$bnumber" -eq "$instver" ]]; then
     return 1   # no update needed
+  elif checkUpdateManifests; then
+    echo "Build ID changed but manifests have not changed"
+    return 1
   else
     return 0   # update needed
   fi
@@ -604,6 +607,20 @@ function getAvailableVersion(){
   runSteamCMD +app_info_update 1 +app_info_print "$appid" +quit | while read name val; do if [ "${name}" == "{" ]; then parseSteamACF ".depots.branches.public" "buildid"; break; fi; done
 }
 
+#
+# Check if the update manifest matches the current manifest
+#
+function checkUpdateManifests(){
+  appinfo="$(runSteamCMD +app_info_print "$appid" +quit)"
+  while read depot manifest <&3; do
+    newmanifest="$(echo "${appinfo}" | while read name val; do if [ "${name}" == "{" ]; then parseSteamACF ".depots.${depot}.manifests" "public"; break; fi; done)"
+    if [ "${newmanifest}" != "${manifest}" ]; then
+      return 1
+    fi
+  done 3< <(sed -n '/^[{]$/,/^[}]$/{/^\t"MountedDepots"$/,/^\t[}]$/{/^\t\t/p}}' "${arkserverroot}/steamapps/appmanifest_${appid}.acf")
+  return 0
+}
+
 #
 # Get the PID of the server process
 #