nl_tokens: Fetch a file blob . Required for content access with stat / read . No - op if the file is already fetched .
pl_tokens: function fetch ( repoState , driver , filepath ) { if ( isFetched ( repoState , filepath ) ) { // No op if already fetched return Q ( repoState ) ; } const workingState = repoState . getCurrentState ( ) ; const blobSha = WorkingUtils . findSha ( workingState , filepath ) ; return BlobUtils . fetch ( repoState , <mask> , blobSha ) ; }