for non-git-tracked files, at least get some metadata -
file size; created/modified date; owner
new color for parent script to differentiate from code chunks
in git_prov(), allow a named list to pass both the filenames and file types
e.g. a non-named vector and a filetype arg (or vector of file types?)
a named vector in the form of c('input' = '')
in commit_prov(), commit message is really long if it includes the full pathname of the running script. Truncate it to just basename? or include a couple levels of dirname (to get v2016 and prep folder names perhaps?)
auto-orient flow chart if direction is NULL - use ratio of scripts to inputs and outputs to keep it vertical
how to use build ignore?
add @return to function docs
make static footer for .doc or .pdf (test for type of knit env?)