if [[ ! -d /tmp/output/debian-9 ]]; then
  mkdir -p /tmp/output/debian-9
fi

# Set default HTTP user agent for R 3.6+
cat <<'EOF' >> /opt/R/${R_VERSION}/lib/R/etc/Rprofile.site
# Set default HTTP user agent
options(HTTPUserAgent = sprintf("R/%s R (%s)", getRversion(), paste(getRversion(), R.version$platform, R.version$arch, R.version$os)))
EOF

fpm \
  -s dir \
  -t deb \
  -v 1 \
  -n R-${R_VERSION} \
  --vendor "RStudio Inc." \
  --deb-priority "optional" \
  --deb-field 'Bugs: https://github.com/rstudio/r-builds/issues' \
  --url "http://www.r-project.org/" \
  --description "GNU R statistical computation and graphics system" \
  --maintainer "RStudio Inc https://github.com/rstudio/r-builds" \
  --license "GPL-2" \
  -p /tmp/output/debian-9/ \
  -d ca-certificates \
  -d g++ \
  -d gcc \
  -d gfortran \
  -d libbz2-1.0 \
  -d libc6 \
  -d libcairo2 \
  -d libcurl4-openssl-dev \
  -d libglib2.0-0 \
  -d libgomp1 \
  -d libicu57 \
  -d liblzma5 \
  -d libopenblas-dev \
  -d libpango-1.0-0 \
  -d libpangocairo-1.0-0 \
  -d libpaper-utils \
  -d libpcre3 \
  -d libpng16-16 \
  -d libreadline7 \
  -d libtcl8.6 \
  -d libtiff5 \
  -d libtk8.6 \
  -d libx11-6 \
  -d libxt6 \
  -d make \
  -d ucf \
  -d unzip \
  -d zip \
  -d zlib1g \
  /opt/R/${R_VERSION}

shopt -s extglob
export PKG_FILE=$(ls /tmp/output/debian-9/[rR]-${R_VERSION}*.@(deb|rpm) | head -1)