From 9bfce21d23656b94c11a7537739c1585e799451f Mon Sep 17 00:00:00 2001
From: LarsBel <39060393+LarsBel@users.noreply.github.com>
Date: Sat, 3 Dec 2022 10:19:28 +0100
Subject: [PATCH] skip if same version

---
 cli/upgrade.sh | 48 +++++++++++++++++++++++++++---------------------
 1 file changed, 27 insertions(+), 21 deletions(-)

diff --git a/cli/upgrade.sh b/cli/upgrade.sh
index a2cf347cc..215d8a083 100755
--- a/cli/upgrade.sh
+++ b/cli/upgrade.sh
@@ -10,36 +10,42 @@
 # By Uwe Bieling <pychi@gmx.de>
 # and Jordan S (https://github.com/jas8522)
 
-if [[ $(id -u) -ne 0 ]] ; then echo -e "\033[1;31mPlease run as root\033[0m" ; exit 1 ; fi
-
 SCRIPT_DIR="$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )"
-cd "${SCRIPT_DIR}/.."
-
-if [ ! -d snappymail/v ] ; then echo -e "\033[1;31mThis script can only be run from the SnappyMail install directory\033[0m" ; exit 1 ; fi
-
 LATEST_URL="https://snappymail.eu/repository/latest.tar.gz"
-
 OWNERGROUP=`stat -c "%U:%G" snappymail`
 OLD_VERSION=`grep "define('APP_VERSION" index.php | awk -F\' '{print $4}'`
 
-# Safety First ... make a backup
-DSTAMP=`date +%Y-%m-%d`
-echo -e "\033[1;33mBacking up snappymail $OLD_VERSION to ../backup_snappymail_${DSTAMP}.tar.gz\033[0m"
-tar -czf ../backup_snappymail_${DSTAMP}.tar.gz .
+# check if we are root
+if [[ $(id -u) -ne 0 ]] ; then echo -e "\033[1;31mPlease run as root\033[0m" ; exit 1 ; fi
+
+# check if we are in the correct dir
+cd "${SCRIPT_DIR}"
+if [ ! -d snappymail/v ] ; then echo -e "\033[1;31mThis script can only be run from the SnappyMail install directory\033[0m" ; exit 1 ; fi
 
 # Download last release to /tmp
 echo -e "\033[1;33mDownloading last release\033[0m"
-wget $LATEST_URL -O /tmp/snappymail_latest.tar.gz
+wget $LATEST_URL -O /tmp/snappymail_latest.tar.gz >/dev/null 2>&1
 NEW_VERSION=`tar -tf /tmp/snappymail_latest.tar.gz | grep "snappymail/v/.*/index.php" | awk -F/ '{print $3}'`
 
-echo -e "\033[1;33mInstalling $NEW_VERSION\033[0m"
-tar -xzf /tmp/snappymail_latest.tar.gz
+if [ $OLD_VERSION != $NEW_VERSION ] ;
+then
+        # Safety First ... make a backup
+        DSTAMP=`date +%Y-%m-%d`
+        echo -e "\033[1;33mBacking up snappymail $OLD_VERSION to ../backup_snappymail_${DSTAMP}.tar.gz\033[0m"
+        tar -czf ../backup_snappymail_${DSTAMP}.tar.gz .
 
-# set permissions
-echo -e "\033[1;33mSet permissions\033[0m"
-find . -type d -exec chmod 755 {} \;
-find . -type f -exec chmod 644 {} \;
-chmod u+x "${SCRIPT_DIR}/upgrade.sh"
-chown -R $OWNERGROUP *
+        # installing
+        echo -e "\033[1;33mInstalling $NEW_VERSION\033[0m";
+        tar -xzf /tmp/snappymail_latest.tar.gz;
 
-echo -e "\033[1;32mFinished with snappymail upgrade from $OLD_VERSION to $NEW_VERSION... \033[0m"
+        # set permissions
+        echo -e "\033[1;33mSet permissions\033[0m"
+        find . -type d -exec chmod 755 {} \;
+        find . -type f -exec chmod 644 {} \;
+        chmod u+x "${SCRIPT_DIR}/upgrade.sh"
+        chown -R $OWNERGROUP *
+        echo -e "\033[1;32mFinished with snappymail upgrade from $OLD_VERSION to $NEW_VERSION... \033[0m"
+
+else
+        echo -e "\033[1;31msame Version skipping.. \033[0m";
+fi