trunk/exec/update_cache

   1 #!/usr/bin/r -t
   2
   3 # Note: everything in the case needs to be system-independent!
   4 library(cran2deb)
   5 library(ctv)
   6
   7 #argv <- commandArgs()
   8 #argv <- argv[-(1:match("--args", argv))]
   9
  10 #mirror <- 'http://cran.uk.r-project.org/'
  11 mirror <- 'http://cran.r-project.org/'
  12
  13 verbose<-FALSE
  14
  15 message('updating list of available R packages...')
  16 available <- available.packages(contrib.url(mirror))
  17
  18 #available <- rbind(available,available.packages(contrib.url('http://www.bioconductor.org/')))
  19 #dupes <- duplicated(rownames(available), fromLast=T)
  20 #available <- available[!dupes,]
  21
  22 message('updating list of available R task views...')
  23 ctv.available <- available.views(repo=mirror)
  24
  25 message('updating list of base R packages...')
  26 base_pkgs <- readLines(pipe(paste('sudo pbuilder --execute --override-config --configfile'
  27                                  ,shQuote(pbuilder_config),'-- /usr/bin/R --vanilla 2>&1 >/dev/null <'
  28                                  ,shQuote(file.path(root,'exec/get_base_pkgs'))
  29                                  ,'| grep -v ^W:')))
  30
  31 if (any(grep("^E:",base_pkgs,value=FALSE))) {
  32         cat("Cannot continue, the following error occurred:\n")
  33         cat(paste(grep("^E:",base_pkgs,value=TRUE),collapse="\n"))
  34         cat("\n")
  35         q(save="no")
  36 }
  37
  38
  39 if (verbose) {
  40         cat("The following base packages were determined:\n")
  41         print(base_pkgs)
  42 }
  43
  44 message('updating list of existing Debian packages...')
  45 debian_pkgs <- readLines(pipe('apt-cache rdepends r-base-core | sed -e "/^  r-cran/{s/^[[:space:]]*r/r/;p}" -e d | sort -u'))
  46
  47 if (any(grep("^E:",debian_pkgs,value=FALSE))) {
  48         cat("Cannot continue, the following error occurred:\n")
  49         cat(paste(grep("^E:",debian_pkgs,value=TRUE),collapse="\n"))
  50         cat("\n")
  51         q(save="no")
  52 }
  53
  54 if (verbose) {
  55         cat("The following packages were found to be available:\n")
  56         print(debian_pkgs)
  57 }
  58
  59 save(debian_pkgs, base_pkgs, available, ctv.available, file=file.path(cache_root,'cache.rda'),eval.promises=T)
  60
  61 message('synchronising database...')
  62 db_update_package_versions()