add argument parsing to install script

install

@@ -78,13 +78,29 @@ if [ -z "$(command -v lsb_release)" ]; then
     apt-get -y install lsb-release -qq
 fi
 
+while [ "$#" -gt 0 ]; do
+    case "$1" in
+    -b | --branch)
+        wo_branch="$2"
+        shift
+        ;;
+    -p | --preserve)
+        wo_preserve_config="y"
+        ;;
+    --force)
+        wo_force_install="y"
+        ;;
+    *) # positional args
+        ;;
+    esac
+    shift
+done
+
 ###
 # 1 - Define variables for later use
 ###
-if [ -z "$1" ]; then
+if [ -z "$wo_branch" ]; then
     wo_branch=master
-else
-    wo_branch="$1"
 fi
 readonly wo_log_dir=/var/log/wo/
 readonly wo_backup_dir=/var/lib/wo-backup/
@@ -107,6 +123,7 @@ fi
 ###
 # 1 - Checking linux distro
 ###
+if [ -z "$wo_force_install" ]; then
 if [ "$wo_linux_distro" != "Ubuntu" ] && [ "$wo_linux_distro" != "Debian" ]; then
     wo_lib_echo_fail "WordOps (wo) only supports Ubuntu and Debian at the moment."
     wo_lib_echo_fail "If you are feeling adventurous, you are free to fork WordOps to support"
@@ -119,6 +136,7 @@ else
         exit 100
     fi
 fi
+fi
 
 ###
 # 1 - To prevent errors or unexpected behaviour, create the log and ACL it
@@ -364,17 +382,19 @@ wo_install_acme_sh() {
 
         } >> "$wo_install_log" 2>&1
     fi
-    if [ -d "$HOME/.acme/.sh" ]; then
+    if [ -d "$HOME/.acme.sh" ]; then
         {
-            rsync -az --exclude="account.conf" \
+            /usr/bin/rsync -rltgoDpz --exclude="account.conf" \
                 --exclude="acme.sh" \
                 --exclude="acme.sh.env" \
                 --exclude="deploy" \
                 --exclude="dnsapi" \
                 --exclude="http.header" \
                 --exclude="ca" \
+                --del \
                 "$HOME/.acme.sh/" \
                 /etc/letsencrypt/renewal/
+
         } >> "$wo_install_log" 2>&1
     fi
 }
@@ -386,7 +406,7 @@ wo_install() {
             rm -rf /tmp/WordOps
             git clone https://github.com/WordOps/WordOps.git /tmp/WordOps -b "$wo_branch"
         else
-            git -C /tmp/WordOps pull
+            git -C /tmp/WordOps pull origin "$wo_branch"
         fi
         cd /tmp/WordOps || exit 1
     } >> "$wo_install_log" 2>&1
@@ -630,10 +650,8 @@ if [ -x /usr/local/bin/wo ]; then
                 wo_upgrade_nginx | tee -ai $wo_install_log
             fi
             wo_update_latest | tee -ai $wo_install_log
-            if [ ! -d /opt/acme.sh ]; then
-                wo_lib_echo "Installing acme.sh" | tee -ai $wo_install_log
-                wo_install_acme_sh | tee -ai $wo_install_log
-            fi
+            wo_lib_echo "Installing acme.sh" | tee -ai $wo_install_log
+            wo_install_acme_sh | tee -ai $wo_install_log
             wo_lib_echo "Running post-install steps " | tee -ai $wo_install_log
             wo_git_init | tee -ai $wo_install_log
             wo_update_wp_cli | tee -ai $wo_install_log
@@ -662,10 +680,8 @@ else
                 wo_upgrade_nginx | tee -ai $wo_install_log
             fi
             wo_update_latest | tee -ai $wo_install_log
-            if [ ! -d /opt/acme.sh ]; then
-                wo_lib_echo "Installing acme.sh" | tee -ai $wo_install_log
-                wo_install_acme_sh | tee -ai $wo_install_log
-            fi
+            wo_lib_echo "Installing acme.sh" | tee -ai $wo_install_log
+            wo_install_acme_sh | tee -ai $wo_install_log
             wo_lib_echo "Running post-install steps " | tee -ai $wo_install_log
             wo_git_init | tee -ai $wo_install_log
             wo_update_wp_cli | tee -ai $wo_install_log