Rmarkdown fails to render in pdf_document with last latex version

[cderv]

I think this error is the cause of rstudio/tinytex#152

There were some bugs recently with graphicx and grffile in last latex version. This has been reported in pandoc and upstream. See jgm/pandoc#5848 (comment).

Changes has been made in pandoc templates now by removing package grffile.
jgm/pandoc@4d5fd9e

I wonder if we need to do the same with rmarkdown included template. 🤔
There was also other modification in pandoc template since pandoc 1.17 - it could be an opportunity to update it. What do you think ?

Here is a reproductible example (if you have the environment correctly set up :) )

dir.create(tmp_dir <- tempfile())
xfun::write_utf8(c(
  '---',
  'title: "Untitled"',
  'output: pdf_document',
  '---',
  '',
  '## R Markdown',
  '',
  '```{r pressure, echo=FALSE}',
  'plot(pressure)',
  '```'
), file.path(tmp_dir, "test.Rmd"))

# not working
rmarkdown::render(file.path(tmp_dir, "test.Rmd"),
                  output_options = list(latex_engine = "pdflatex"))
#> processing file: test.Rmd
#> output file: test.knit.md
#> "C:/PROGRA~3/CHOCOL~1/bin/pandoc" +RTS -K512m -RTS test.utf8.md --to latex --from markdown+autolink_bare_uris+tex_math_single_backslash --output test.tex --template "C:\Users\chris\Documents\R\win-library\3.6\rmarkdown\rmd\latex\default-1.17.0.2.tex" --highlight-style tango --pdf-engine pdflatex --variable graphics=yes --lua-filter "C:/Users/chris/Documents/R/win-library/3.6/rmarkdown/rmd/lua/pagebreak.lua" --lua-filter "C:/Users/chris/Documents/R/win-library/3.6/rmarkdown/rmd/lua/latex-div.lua" --variable "geometry:margin=1in" --variable "compact-title:yes"
#> tlmgr search --file --global "/grffile.sty"
#> Warning in parse_packages(logfile, quiet = c(TRUE, FALSE, FALSE)): Failed
#> to find a package that contains grffile.sty
#> ! LaTeX Error: File `grffile.sty' not found.
#> 
#> ! Emergency stop.
#> <read *>
#> Error: Failed to compile test.tex. See https://yihui.name/tinytex/r/#debugging for debugging tips. See test.log for more info.
# not working
rmarkdown::render(file.path(tmp_dir, "test.Rmd"), 
                  output_options = list(latex_engine = "lualatex"))
#> processing file: test.Rmd
#> output file: test.knit.md
#> "C:/PROGRA~3/CHOCOL~1/bin/pandoc" +RTS -K512m -RTS test.utf8.md --to latex --from markdown+autolink_bare_uris+tex_math_single_backslash --output test.tex --template "C:\Users\chris\Documents\R\win-library\3.6\rmarkdown\rmd\latex\default-1.17.0.2.tex" --highlight-style tango --pdf-engine lualatex --variable graphics=yes --lua-filter "C:/Users/chris/Documents/R/win-library/3.6/rmarkdown/rmd/lua/pagebreak.lua" --lua-filter "C:/Users/chris/Documents/R/win-library/3.6/rmarkdown/rmd/lua/latex-div.lua" --variable "geometry:margin=1in" --variable "compact-title:yes"
#> tlmgr search --file --global "/grffile.sty"
#> Warning in parse_packages(logfile, quiet = c(TRUE, FALSE, FALSE)): Failed
#> to find a package that contains grffile.sty
#> ! LaTeX Error: File `grffile.sty' not found.
#> 
#> ! Emergency stop.
#> <read *>
#> Error: Failed to compile test.tex. See https://yihui.name/tinytex/r/#debugging for debugging tips. See test.log for more info.
# not working either
rmarkdown::render(file.path(tmp_dir, "test.Rmd"), 
                  output_options = list(latex_engine = "xelatex"))
#> processing file: test.Rmd
#> output file: test.knit.md
#> "C:/PROGRA~3/CHOCOL~1/bin/pandoc" +RTS -K512m -RTS test.utf8.md --to latex --from markdown+autolink_bare_uris+tex_math_single_backslash --output test.tex --template "C:\Users\chris\Documents\R\win-library\3.6\rmarkdown\rmd\latex\default-1.17.0.2.tex" --highlight-style tango --pdf-engine xelatex --variable graphics=yes --lua-filter "C:/Users/chris/Documents/R/win-library/3.6/rmarkdown/rmd/lua/pagebreak.lua" --lua-filter "C:/Users/chris/Documents/R/win-library/3.6/rmarkdown/rmd/lua/latex-div.lua" --variable "geometry:margin=1in" --variable "compact-title:yes"
#> tlmgr search --file --global "/grffile.sty"
#> Warning in parse_packages(logfile, quiet = c(TRUE, FALSE, FALSE)): Failed
#> to find a package that contains grffile.sty
#> ! LaTeX Error: File `grffile.sty' not found.
#> 
#> ! Emergency stop.
#> <read *>
#> Error: Failed to compile test.tex. See https://yihui.name/tinytex/r/#debugging for debugging tips. See test.log for more info.
fs::file_delete(fs::dir_ls(tmp_dir, glob = "*.Rmd", invert = TRUE))

# modify template ---

# get template
file.copy(system.file("rmd/latex/default-1.17.0.2.tex", package = "rmarkdown"), to = tmp_dir)
#> [1] TRUE

xfun::gsub_file(file.path(tmp_dir, "default-1.17.0.2.tex"), 
                pattern = "\\usepackage\\{graphicx,grffile\\}",
                replacement = "\\usepackage{graphicx}")
# include new template
rmarkdown::render(file.path(tmp_dir, "test.Rmd"), output_options = list(template = "default-1.17.0.2.tex"))
#> processing file: test.Rmd
#> output file: test.knit.md
#> "C:/PROGRA~3/CHOCOL~1/bin/pandoc" +RTS -K512m -RTS test.utf8.md --to latex --from markdown+autolink_bare_uris+tex_math_single_backslash --output test.tex --template default-1.17.0.2.tex --highlight-style tango --pdf-engine pdflatex --lua-filter "C:/Users/chris/Documents/R/win-library/3.6/rmarkdown/rmd/lua/pagebreak.lua" --lua-filter "C:/Users/chris/Documents/R/win-library/3.6/rmarkdown/rmd/lua/latex-div.lua"
#> 
#> Output created: test.pdf
list.files(tmp_dir)
#> [1] "default-1.17.0.2.tex" "test.pdf"             "test.Rmd"            
#> [4] "test.tex"
unlink(tmp_dir, recursive = TRUE)

xfun::session_info(c("rmarkdown", "tinytex"))
#> R version 3.6.1 (2019-07-05)
#> Platform: x86_64-w64-mingw32/x64 (64-bit)
#> Running under: Windows 10 x64 (build 17134)
#> 
#> Locale:
#>   LC_COLLATE=French_France.1252  LC_CTYPE=French_France.1252   
#>   LC_MONETARY=French_France.1252 LC_NUMERIC=C                  
#>   LC_TIME=French_France.1252    
#> 
#> Package version:
#>   base64enc_0.1.3 digest_0.6.22   evaluate_0.14   glue_1.3.1     
#>   graphics_3.6.1  grDevices_3.6.1 highr_0.8       htmltools_0.4.0
#>   jsonlite_1.6    knitr_1.25      magrittr_1.5    markdown_1.1   
#>   methods_3.6.1   mime_0.7        Rcpp_1.0.2      rlang_0.4.1    
#>   rmarkdown_1.16  stats_3.6.1     stringi_1.4.3   stringr_1.4.0  
#>   tinytex_0.16    tools_3.6.1     utils_3.6.1     xfun_0.10      
#>   yaml_2.2.0     
#> 
#> Pandoc version: 2.7.3
tinytex::tlmgr("--version")
#> tlmgr --version
tlmgr revision 52585 (2019-10-31 19:26:15 +0100)
tlmgr using installation: C:/Users/chris/AppData/Roaming/TinyTeX
TeX Live (http://tug.org/texlive) version 2019

^{Created on 2019-11-10 by the reprex package (v0.3.0)}

[yihui]

Should be fixed now. Thanks for the report!

[github-actions]

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