pkg/trunk/R/debcontrol.R

   1 get.dependencies <- function(pkg,extra_deps) {
   2     # determine dependencies
   3     dependencies <- r.dependencies.of(description=pkg$description)
   4     depends <- list()
   5     # these are used for generating the Depends fields
   6     as.deb <- function(r,binary) {
   7         return(pkgname.as.debian(paste(dependencies[r,]$name)
   8                                 ,version=dependencies[r,]$version
   9                                 ,repopref=pkg$repo
  10                                 ,binary=binary))
  11     }
  12     depends$bin <- lapply(rownames(dependencies), as.deb, binary=T)
  13     depends$build <- lapply(rownames(dependencies), as.deb, binary=F)
  14     # add the command line dependencies
  15     depends$bin = c(extra_deps$deb,depends$bin)
  16     depends$build = c(extra_deps$deb,depends$build)
  17     # add the system requirements
  18     if ('SystemRequirements' %in% colnames(pkg$description)) {
  19         sysreq <- sysreqs.as.debian(pkg$description[1,'SystemRequirements'])
  20         depends$bin = c(sysreq,depends$bin)
  21         depends$build = c(sysreq,depends$build)
  22     }
  23
  24     # make sure we depend upon R in some way...
  25     if (!length(grep('^r-base',depends$build))) {
  26         depends$build = c(depends$build,pkgname.as.debian('R',version='>= 2.7.0',binary=F))
  27         depends$bin   = c(depends$bin,  pkgname.as.debian('R',version='>= 2.7.0',binary=T))
  28     }
  29     # also include stuff to allow tcltk to build (suggested by Dirk)
  30     depends$build = c(depends$build,'xvfb','xauth','xfonts-base')
  31
  32     # remove duplicates
  33     depends <- lapply(depends,unique)
  34
  35     # append the Debian dependencies
  36     depends$build=c(depends$build,'debhelper (>> 4.1.0)','cdbs')
  37     if (pkg$archdep) {
  38         depends$bin=c(depends$bin,'${shlibs:Depends}')
  39     }
  40
  41     # the names of dependent source packages (to find the .changes file to
  42     # upload via dput). these can be found recursively.
  43     depends$r = lapply(r.dependency.closure(dependencies)
  44                       ,tolower)
  45     # append command line dependencies
  46     depends$r = c(extra_deps$r, depends$r)
  47     return(depends)
  48 }
  49
  50 sysreqs.as.debian <- function(sysreq_text) {
  51     # form of this field is unspecified (ugh) but most people seem to stick
  52     # with this
  53     debs <- c()
  54     for (sysreq in strsplit(sysreq_text,'[[:space:]]*,[[:space:]]*')[[1]]) {
  55         startreq = sysreq
  56         # constant case
  57         sysreq = tolower(sysreq)
  58         # drop version information/comments for now
  59         sysreq = gsub('[\\([][^])]*[]\\)]','',sysreq)
  60         sysreq = gsub('version','',sysreq)
  61         sysreq = gsub('[<>=]*[[:space:]]*[[:digit:]]+[[:digit:].+:~-]*','',sysreq)
  62         # byebye URLs
  63         sysreq = gsub('(ht|f)tps?://[[:alnum:]!?*"\'(),%$_@.&+/=-]*','',sysreq)
  64         # squish out space
  65         sysreq = chomp(gsub('[[:space:]]+',' ',sysreq))
  66         deb <- db.sysreq.override(sysreq)
  67         if (is.na(deb)) {
  68             message(paste('E: do not know what to do with SystemRequirement:',sysreq))
  69             message(paste('E: original SystemRequirement:',startreq))
  70             stop('unmet system requirement')
  71         }
  72         message(paste('N: mapped SystemRequirement',startreq,'onto',deb,'via',sysreq))
  73         debs = c(debs,deb)
  74     }
  75     return(debs)
  76 }
  77
  78 generate.control <- function(pkg) {
  79     # construct control file
  80     control = data.frame()
  81     control[1,'Source'] = pkg$srcname
  82     control[1,'Section'] = 'math'
  83     control[1,'Priority'] = 'optional'
  84     control[1,'Maintainer'] = maintainer
  85     control[1,'Build-Depends'] = paste(pkg$depends$build,collapse=', ')
  86     control[1,'Standards-Version'] = '3.8.0'
  87
  88     control[2,'Package'] = pkg$debname
  89     control[2,'Architecture'] = 'all'
  90     if (pkg$archdep) {
  91         control[2,'Architecture'] = 'any'
  92     }
  93     control[2,'Depends'] = paste(pkg$depends$bin,collapse=', ')
  94
  95     # bundles provide virtual packages of their contents
  96     if (pkg$is_bundle) {
  97         control[2,'Provides'] = paste(
  98                     lapply(r.bundle.contains(pkg$name)
  99                           ,function(name) return(pkgname.as.debian(paste(name)
 100                                                                   ,repopref=pkg$repo
 101                                                                   ,binary=T)))
 102                           ,collapse=', ')
 103     }
 104
 105     # generate the description
 106     descr = 'GNU R package "'
 107     if ('Title' %in% colnames(pkg$description)) {
 108         descr = paste(descr,pkg$description[1,'Title'],sep='')
 109     } else {
 110         descr = paste(descr,pkg$name,sep='')
 111     }
 112     if (pkg$is_bundle) {
 113         long_descr <- pkg$description[1,'BundleDescription']
 114     } else {
 115         long_descr <- pkg$description[1,'Description']
 116     }
 117     # using \n\n.\n\n is not very nice, but is necessary to make sure
 118     # the longer description does not begin on the synopsis line --- R's
 119     # write.dcf does not appear to have a nicer way of doing this.
 120     descr = paste(descr,'"\n\n', long_descr, sep='')
 121     if ('URL' %in% colnames(pkg$description)) {
 122         descr = paste(descr,'\n\nURL: ',pkg$description[1,'URL'],sep='')
 123     }
 124     control[2,'Description'] = descr
 125
 126     # Debian policy says 72 char width; indent minimally
 127     write.dcf(control,file=pkg$debfile('control.in'),indent=1,width=72)
 128     write.dcf(control,indent=1,width=72)
 129 }
 130