Getting a local CRAN that combines internal and external packages

miniCRAN.R

## ------------------------------------------------------------------------
# Set the repo for use throughout
cran <- "https://cran.rstudio.org"

# Install
if(!require(miniCRAN)){ 
  install.packages("miniCRAN", repos = cran)
}

## ------------------------------------------------------------------------
library(miniCRAN)

# Config variables
tempdir <- tempdir()
pkg <- "V8"
pkgs <- c(pkg, "curl")

# Doesn't use miniCRAN::addPackage as it'd get all the deps
dir.create(tempdir)
utils::download.packages(pkgs, tempdir, repos= cran)

## ------------------------------------------------------------------------
mCRAN <- "myminiCRAN"
dir.create(mCRAN)
# Use NULL to create an empty structure
miniCRAN::makeRepo(NULL, mCRAN
                   , repos = cran, type="source")

## ------------------------------------------------------------------------
file.copy(list.files(tempdir,pattern = "*.tar.gz"
                     , full.names = TRUE)
          , file.path(mCRAN, "src", "contrib"))

## ------------------------------------------------------------------------
miniCRAN::updateRepoIndex(mCRAN)

## ------------------------------------------------------------------------
uriCRAN <- paste0("file:///"
                , file.path(getwd(), mCRAN))

## ------------------------------------------------------------------------
deps <- miniCRAN::pkgDep(pkg
                         , repos = uriCRAN
                         , suggests = FALSE)
# Exclude locally available packages
deps <- setdiff(deps, pkgs)

## ------------------------------------------------------------------------
miniCRAN::addPackage(deps, mCRAN
                     , repos = cran
                     , writePACKAGES = TRUE
                     # Deps already captured
                     , deps = FALSE)

## ------------------------------------------------------------------------
install.packages(pkg, repos = uriCRAN
                 , type="source")