last modification to install script

wo.sh

@@ -19,24 +19,29 @@ if [[ $EUID -ne 0 ]]; then
     exit 100
 fi
 
+# check if git is installed
 [ -z "$(command -v git)" ] && {
     apt-get update -qq && apt-get install git -qq
 } > /dev/null 2>&1
 
-if [ "${#}" = "0" ]; then
-    wo_branch=master
+# set github repository branch
+if [ -n "$1" ]; then
+    wo_branch="$1"
 else
-    wo_branch="$@"
+    wo_branch=master
 fi
 
 # update or clone wordops repositoru
 if [ -d /tmp/WordOps/.git ]; then
-    git -C /tmp/WordOps pull origin master -q
+    git -C /tmp/WordOps fetch --all
+    git -C /tmp/WordOps reset --hard origin/${wo_branch}
+    git -C /tmp/WordOps clean -f
 else
     rm -rf /tmp/WordOps
     git clone https://github.com/WordOps/WordOps.git /tmp/WordOps -b "$wo_branch" -q
 fi
 
+# execute install script
 if [ -x /tmp/WordOps/install ]; then
-    /tmp/WordOps/install "$wo_branch"
+    /tmp/WordOps/install
 fi