setup.sh: checks if git directory is dirty before bothering user with potentially scary question

setup.sh

@@ -191,14 +191,23 @@ function update() {
 }
 
 # Reset Develop or Stable branch
+function check_git_changes() {
+    if [ -z "$(git status --porcelain)" ]; then
+        echo "No changes in git directory"
+        return 0
+    else
+        echo "Changes in git directory"
+        return 1
+    fi
+}
 function reset() {
     echo_block "Resetting branch and virtual env"
 
     if [ "1" == $(git branch -vv |grep -cE "\* develop|\* stable") ]
     then
-
-        read -p "Reset git branch? (This will remove all changes you made!) [y/N]? "
-        if [[ $REPLY =~ ^[Yy]$ ]]; then
+        if check_git_changes; then
+            read -p "Keep your local changes? (Otherwise will remove all changes you made!) [Y/n]? "
+            if [[ $REPLY =~ ^[Nn]$ ]]; then
 
                 git fetch -a
 
@@ -211,6 +220,9 @@ function reset() {
                     echo "- Hard resetting of 'stable' branch."
                     git reset --hard origin/stable
                 fi
+            else
+                echo "Reset ignored because you are not on 'stable' or 'develop'."
+            fi
         fi
     else
         echo "Reset ignored because you are not on 'stable' or 'develop'."