Add option to commit database changes

netbox/extras/forms.py

@@ -387,6 +387,12 @@ class ObjectChangeFilterForm(BootstrapMixin, forms.Form):
 #
 
 class ScriptForm(BootstrapMixin, forms.Form):
+    _commit = forms.BooleanField(
+        required=False,
+        initial=True,
+        label="Commit changes",
+        help_text="Commit changes to the database (uncheck for a dry-run)"
+    )
 
     def __init__(self, vars, *args, **kwargs):
 
@@ -395,3 +401,6 @@ class ScriptForm(BootstrapMixin, forms.Form):
         # Dynamically populate fields for variables
         for name, var in vars.items():
             self.fields[name] = var.as_field()
+
+        # Move _commit to the end of the form
+        self.fields.move_to_end('_commit', True)