Update packages

elpa/ess-20180524.1000/etc/ESSR/BUILDESSR

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+#!/usr/bin/Rscript
+## -*- mode: R -*-
+## code to build ESSR environemnt.
+## Assume that current directory is etc/ESSR
+## run "./BUILDESSR destdir" to create ESSR_<version>.rda in destdir
+## where <version>  is picked form ./VERSION file
+
+
+args <- commandArgs(TRUE)
+dir <- if(length(args)) args[[1]] else "."
+ver <- scan("./VERSION", what = "character", quiet = TRUE)
+rda_file <- sprintf("%s/ESSR_%s.rda", dir, ver)
+
+## exactly as in inferior-ess-r-load-ESSR in ess-r-d.el
+source('./R/.load.R', local=TRUE)
+ESSR <- load.ESSR('./R/')
+
+save(ESSR, file = rda_file)