trunk/R/zzz.R

   1 .First.lib <- function(libname, pkgname) {
   2     global <- function(name,value) assign(name,value,envir=.GlobalEnv)
   3     global("which_system", Sys.getenv('CRAN2DEB_SYS','debian-amd64'))
   4     if (!length(grep('^[a-z]+-[a-z0-9]+$',which_system))) {
   5         stop('Invalid system specification: must be of the form name-arch')
   6     }
   7     global("host_arch", gsub('^[a-z]+-','',which_system))
   8     global("maintainer", 'cran2deb autobuild <cran2deb@gmail.com>')
   9     global("root", system.file(package='cran2deb'))
  10     global("cache_root", Sys.getenv('CRAN2DEB_CACHE','/var/cache/cran2deb'))
  11     global("config_dir", Sys.getenv('CRAN2DEB_CONFDIR','/etc/cran2deb'))
  12     global("pbuilder_results",  file.path(cache_root,which_system))
  13     global("pbuilder_config",   file.path(config_dir,'sys',which_system,'pbuilderrc'))
  14     global("dput_config",       file.path(config_dir,'sys',which_system,'dput.cf'))
  15     global("dinstall_config",   file.path(config_dir,'sys',which_system,'mini-dinstall.conf'))
  16     global("dinstall_archive",  file.path(config_dir,'archive',which_system))
  17     global("r_depend_fields", c('Depends','Imports')) # Suggests, Enhances
  18     global("scm_revision", paste("svn:", svnversion()))
  19     global("patch_dir", file.path(config_dir,'patches'))
  20     global("lintian_dir", file.path(config_dir,'lintian'))
  21     global("changesfile", function(srcname,version='*') {
  22         return(file.path(pbuilder_results
  23                         ,paste(srcname,'_',version,'_'
  24                               ,host_arch,'.changes',sep='')))
  25     })
  26     global("version_suffix","~debian-r+")
  27     # perhaps db_cur_version() should be used instead?
  28     global("version_suffix_step",1)
  29
  30     cache <- file.path(cache_root,'cache.rda')
  31     if (file.exists(cache)) {
  32         load(cache,envir=.GlobalEnv)
  33     }
  34     message(paste('I: cran2deb',scm_revision,'building for',which_system,'at',Sys.time()))
  35 }