I have 2 versions of Office 2011, English and Spanish. I have two recipeoverrides, MSOffice2011Updates.munki and MSOffice2011UpdatesESM.munki. I just addess the ESM one and it will not import into Munki. It says that items already exists. I'm sure I've overlooked something, but I thought I had changed the applicable names and such appropriately.
bash-3.2$ autopkg run MSOffice2011UpdatesESM.munki -v
Processing MSOffice2011UpdatesESM.munki...
MSOffice2011UpdateInfoProvider
MSOffice2011UpdateInfoProvider: Got update: 'Office 2011 14.4.4 Update'
MSOffice2011UpdateInfoProvider: Update requires previous update version 14.1.0
MSOffice2011UpdateInfoProvider: Additional pkginfo: {'display_name': 'Office 2011 14.4.4 Update', 'description': u'<html><p>Esta actualizaci\xf3n soluciona problemas cr\xedticos. </p>\n\n<p>Para obtener informaci\xf3n detallada sobre esta actualizaci\xf3n, visite el siguiente sitio web:</p>\n\n<p><a href="http://go.microsoft.com/fwlink/?LinkId=510055" target="_blank">http://go.microsoft.com/fwlink/?LinkId=510055</a></p>\n\n<p>Para obtener m\xe1s ayuda u obtener una versi\xf3n descargable de esta actualizaci\xf3n, visite el <a href="http://go.microsoft.com/fwlink/?LinkId=216459" target="_blank">sitio web de Microsoft</a>.</p></html>', 'installs': [{'path': '/Applications/Microsoft Office 2011/Office/MicrosoftComponentPlugin.framework', 'CFBundleVersion': '14.4.4', 'CFBundleShortVersionString': '14.4.4', 'version_comparison_key': 'CFBundleShortVersionString', 'type': 'bundle'}], 'minimum_os_version': '10.5.8', 'requires': [u'Office2011ESM_update-14.1.0'], 'name': u'Office2011ESM_update'} URLDownloader
URLDownloader: Item at URL is unchanged.
URLDownloader: Using existing /Jenkins_Done/local.munki.MSOffice2011UpdatesESM/downloads/Office2011-1444Update_ES-ES.dmg
EndOfCheckPhase
MunkiPkginfoMerger
MunkiPkginfoMerger: Merged {'display_name': 'Office 2011 14.4.4 Update', 'description': u'<html><p>Esta actualizaci\xf3n soluciona problemas cr\xedticos. </p>\n\n<p>Para obtener informaci\xf3n detallada sobre esta actualizaci\xf3n, visite el siguiente sitio web:</p>\n\n<p><a href="http://go.microsoft.com/fwlink/?LinkId=510055" target="_blank">http://go.microsoft.com/fwlink/?LinkId=510055</a></p>\n\n<p>Para obtener m\xe1s ayuda u obtener una versi\xf3n descargable de esta actualizaci\xf3n, visite el <a href="http://go.microsoft.com/fwlink/?LinkId=216459" target="_blank">sitio web de Microsoft</a>.</p></html>', 'installs': [{'path': '/Applications/Microsoft Office 2011/Office/MicrosoftComponentPlugin.framework', 'CFBundleVersion': '14.4.4', 'CFBundleShortVersionString': '14.4.4', 'version_comparison_key': 'CFBundleShortVersionString', 'type': 'bundle'}], 'minimum_os_version': '10.5.8', 'requires': [u'Office2011ESM_update-14.1.0'], 'name': u'Office2011ESM_update'} into pkginfo MunkiImporter
MunkiImporter: Item Office2011-1444Update_ES-ES.dmg already exists in the munki repo as pkgs/apps/Microsoft/updates/Office2011-1444Update_EN-US-14.4.4.dmg.
Receipt written to /Jenkins_Done/local.munki.MSOffice2011UpdatesESM/receipts/MSOffice2011UpdatesESM-receipt-20140905-095655.plist
Nothing downloaded, packaged or imported.