rmd2pdf - Convert RMD to PDF reproducibly

rmd2pdf.sh

#!/bin/sh
#
# rmd2pdf.sh - Convert RMD to PDF reproducibly
#
# Requirements: lualatex (TeXlive)
#

set -e

rmd=$1
tmp=$(mktemp XXXXXX)

cat <<END >$tmp
library('rmarkdown')
rmarkdown::render("$rmd")
END

cat <<END >_output.yaml
pdf_document:
  toc: true
  toc_depth: 2
  number_sections: true
  latex_engine: lualatex
  pandoc_args:
    - --variable
    - documentclass=ltjsarticle
END

env \
SOURCE_DATE_EPOCH=0 \
FORCE_SOURCE_DATE=1 \
Rscript $tmp

rm -f $tmp _output.yaml