Normalize path for render_root in yml to fix relative paths #150
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Fixed an issue found by @jmtaylor-fhcrc during interactive testing where
rmarkdown::render()
fails when render_root is given as./
in yml config.Basically, render_root path needs to be normalized before passing to
rmarkdown::render()
.This originally happened but got broken by commit 519fadb.
Fixed the regression and added new tests for the behavior expected by Jason's reprex.
Internal function
.validate_render_root()
has been changed to return the normalized render_root path if the path is valid or throw an error if it's invalid. The old behavior was to catch the error and return TRUE or FALSE.