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

setup.sh

@@ -191,25 +191,37 @@ 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
+        if check_git_changes; then
+            read -p "Keep your local changes? (Otherwise will remove all changes you made!) [Y/n]? "
+            if [[ $REPLY =~ ^[Nn]$ ]]; then
 
-        read -p "Reset git branch? (This will remove all changes you made!) [y/N]? "
+                git fetch -a
-        if [[ $REPLY =~ ^[Yy]$ ]]; then
 
-            git fetch -a
+                if [ "1" == $(git branch -vv | grep -c "* develop") ]
-
+                then
-            if [ "1" == $(git branch -vv | grep -c "* develop") ]
+                    echo "- Hard resetting of 'develop' branch."
-            then
+                    git reset --hard origin/develop
-                echo "- Hard resetting of 'develop' branch."
+                elif [ "1" == $(git branch -vv | grep -c "* stable") ]
-                git reset --hard origin/develop
+                then
-            elif [ "1" == $(git branch -vv | grep -c "* stable") ]
+                    echo "- Hard resetting of 'stable' branch."
-            then
+                    git reset --hard origin/stable
-                echo "- Hard resetting of 'stable' branch."
+                fi
-                git reset --hard origin/stable
+            else
+                echo "Reset ignored because you are not on 'stable' or 'develop'."
             fi
         fi
     else