Metadata Backup - Ant Script

This macro will backup all metadata from an organization.

Includes stubs for global components in managed packages
Bulk retrieves when more than 10000 components
Supports org sizes exceeding 50MB

Usage: (paste the macrodef XML into your build file)

<target name="backup">
    <backup
        username="${sf.username}"
        password="${sf.password}"
        serverurl="${sf.serverurl}"
    />
</target>