Add/remove submodules

setup.sh

@@ -194,15 +194,49 @@ function manage_plugins() {
         clear
         mkdir -p Plugins
         cd Plugins
-        echo "Adding plugins..."
-
+        echo "Adding/updating plugins..."
 
         for i in ${!plugins[@]}
         do
+            # Check if plugin is already present
+            repo_name_with_extension=${plugin_repositories[$i]##*/}
+            repo_name=${repo_name_with_extension%*.git}
+            path=$(git config -f .gitmodules --get "submodule.Plugins/${repo_name}.path")
+            if [ $? -ne 0 ]
+            then
+                plugin_present=true
+            else
+                plugin_present=false
+            fi
+
             if [ -n "${plugin_branches[$i]}" ]
             then
-                echo "${plugins[$i]}"
+                if [ "$plugin_present" == false ]
+                then
+                    # Plugin was not yet added, call git submodule add
+                    echo "Add new plugin: ${plugins[$i]}"
                     git submodule add -b ${plugin_branches[$i]} ${plugin_repositories[$i]}
+                else
+                    # Updating existing plugin
+                    echo "Update plugin: ${plugins[$i]}"
+                    cd $repo_name
+                    git fetch
+                    git checkout ${plugin_branches[$i]}
+                    git pull
+                    cd ..
+                fi
+            else
+                if [ "$plugin_present" == true ]
+                then
+                    # Remove plugin!
+                    git submodule deinit -f "$repo_name"
+                    git rm -f "$repo_name"
+
+                    git config -f ../.gitmodules --remove-section "submodule.Plugins/${repo_name}"
+                    if [ -z "$(cat ../.gitmodules)" ]; then
+                        git rm -f ../.gitmodules
+                    fi
+                fi
             fi
         done
         cd ..