Create the tarballs in the new repo from the SCM branch locs
buildBranchesInRepo(repo, cores = 1, temp = FALSE,
incremental = TRUE, manifest = manifest_df(repo))
a GRANRepository object
number of cores to use during build process. defaults to (parallel:::detectCores() - 1)
logical. whether we are building the temp or final version of the repository
logical. whether packages should only be rebuilt if the version number has increased. Default is TRUE
data.frame containing a GRAN manifest of pkgs to build. Defaults to the full manifest associated with repo
a list with success and fail elements containing the directories which succeeded and failed the build