Automatically backup current gitea binary

Bump to gitea version 1.9.4

seqs/gitea.sh

@@ -4,9 +4,10 @@
 ## Installation of self hosted git service Gitea
 
 toolName="gitea"
-giteaVersion="1.9.3"
+giteaVersion="1.9.4"
 giteaDownload="https://dl.gitea.io/gitea/${giteaVersion}/gitea-${giteaVersion}-linux-arm-6"
-giteaLoc="/usr/local/bin/gitea"
+giteaDir="/usr/local/bin"
+giteaLoc="${giteaDir}/gitea"
 giteaService="https://raw.githubusercontent.com/go-gitea/gitea/master/contrib/systemd/gitea.service"
 giteaServiceLoc="/etc/systemd/system/gitea.service"
 
@@ -137,11 +138,17 @@ step_12_info() { echo "Download new version to /usr/local/bin"; }
 step_12_alias() { ALIAS="upgrade"; }
 step_12() {
   if [ -f "$giteaLoc" ] ; then
-    echo "Backup existing executable first"
-    return 1;
+    local versionNow=$(gitea --version | sed 's/.*version \([0-9.]\+\).*/\1/')
+    local toolBackup="${giteaDir}/gitea_${versionNow}"
+    exe service gitea stop
+    saveReturn $?
+    endReturn
+    echo -n "Backuping up existing executable to ${toolBackup}..."
+    exe cp -ar "$giteaLoc" "$toolBackup" && echo "ok"
   fi
   exe wget -O "$giteaLoc" $giteaDownload
   exe chmod +x "$giteaLoc" 
+  exe service gitea start
 }
 
 step_20_info() { echo "Secure settings after installation"; }