tree cc1d24579bac21767e8c3455957228c0f829b697
parent 5bf56a20773617d1e362260dfaf1712deba5c812
author Damien Martin-Guillerez <dmarting@google.com> 1452856951 +0000
committer Damien Martin-Guillerez <dmarting@google.com> 1452862524 +0100

Add a method for getting the root of a rule workspace to the Label method

This method is exposed to Skylark and will enable correct handling of protobuf skylark files.
See #784

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MOS_MIGRATED_REVID=112235357