On Fri, 13 Dec 2019 14:21:06 +0000
David Stevens <david.stev...@usu.edu> wrote:
> ** byte-compile and prepare package for lazy loading
> Fatal error: cannot open file 'C:\Users\David': No such file or
> directory
>
> ERROR: lazy loading failed for package 'rmarkdown'
Oh. Sorry, that seems to be yet another place where R is not able to
handle temporary files with spaces in their paths.
What happens is:
1. R CMD INSTALL wants to run tools:::makeLazyLoading(...) in a
sub-process.
2. An internal function creates a temporary file (using tempfile()),
writes all the required commands inside it and tries to run Rterm.exe
-f <path to the temporary file>.
3. That path is also unquoted and it also contains spaces because
that's what GetShortPathName() returned to R.
4. C:\Users\David
Stevens\AppData\Local\Temp\Rtmpblablabla/Rinblablablabla becomes two
separate arguments to Rterm.exe -f.
Solution: use shQuote(Rin) in [*] instead of just Rin. I will try to
report this and the previous problem as a bug.
Workaround: try setting the TMPDIR environment variable to something
without spaces (for example, the same c:/myRLib) before launching R.
(Use Sys.getenv('TMPDIR') and tempdir() to verify that it's
working.) This should help us sidestep any remaining bugs related to
temp paths containing spaces.
--
Best regards,
Ivan
[*]
https://github.com/wch/r-source/blob/e554f7f12b22868bdae51aadaeea4d56c9f87a32/src/library/tools/R/check.R#L125
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