From adf9daa9b7ec757a0cdc7ed92a5ad53579c2f32c Mon Sep 17 00:00:00 2001
From: Fabian Schlenz <mail@fabianonline.de>
Date: Fri, 16 Nov 2018 12:09:55 +0100
Subject: [PATCH] Modified the update check in update.sh to fetch the newest
 revision directly from github without having to run git fetch first.

---
 update.sh | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/update.sh b/update.sh
index 5b38d7d0..fe5aafe0 100755
--- a/update.sh
+++ b/update.sh
@@ -62,8 +62,12 @@ while (($#)); do
   case "${1}" in
     --check|-c)
       echo "Checking remote code for updates..."
-      git fetch origin #${BRANCH}
-      if [[ -z $(git log HEAD --pretty=format:"%H" | grep $(git rev-parse origin/${BRANCH})) ]]; then
+      LATEST_REV=$(git ls-remote --exit-code --refs --quiet https://github.com/mailcow/mailcow-dockerized ${BRANCH} | cut -f1)
+      if [ $? -ne 0 ]; then
+        echo "A problem occurred while trying to fetch the latest revision from github."
+        exit 99
+	  fi
+      if [[ -z $(git log HEAD --pretty=format:"%H" | grep "${LATEST_REV}") ]]; then
         echo "Updated code is available."
         exit 0
       else