112,113c112,118
<       version = ENV["VERSION"] ? ENV["VERSION"].to_i : nil
<       raise "VERSION is required" unless version
---
>       version= 
>       if ENV["NAME"] 
>         get_migrate_task_version(ENV["NAME"]) 
>       else
>         ENV["VERSION"] ? ENV["VERSION"].to_i : nil
>       end
>       raise "VERSION or NAME is required" unless version
120,121c125,131
<       version = ENV["VERSION"] ? ENV["VERSION"].to_i : nil
<       raise "VERSION is required" unless version
---
>       version= ""
>       if ENV["NAME"] 
>         version= get_migrate_task_version(ENV["NAME"]) 
>       else
>         ENV["VERSION"] ? ENV["VERSION"].to_i : nil
>       end
>       raise "VERSION or NAME is required" unless version
365a376,385
> def get_migrate_task_version(task_name)
>   files=Dir["#{RAILS_ROOT}/db/migrate/*_#{task_name.underscore}.rb"]
>   raise "More than one task found" if files.length>1
>   raise "No task found" if files.length==0
>   
>   files[0] =~ /[[:digit:]]+/
>   $~[0].to_i
>     
> end
>