branch/multisys/R/debianpkg.R

   1 append_build_from_pkg <- function(pkg, builds) {
   2     pkg_build <- data.frame(id = -1     # never used
   3                            ,package = pkg$name
   4                            ,r_version = version_upstream(pkg$debversion)
   5                            ,deb_epoch = version_epoch(pkg$debversion)
   6                            ,deb_revision = version_revision(pkg$debversion)
   7                            ,db_version = db_get_version()
   8                            ,date_stamp = pkg$date_stamp
   9                            ,git_revision = scm_revision
  10                            ,success = 1 # never used
  11                            ,log = ''    # never used
  12                            )
  13     return(cbind(data.frame(srcname=pkg$srcname), rbind(builds, pkg_build)))
  14 }
  15
  16 generate_changelog <- function(pkg) {
  17     # TODO: ``Writing R extensions'' mentions that a package may also have
  18     # {NEWS,ChangeLog} files.
  19     builds <- append_build_from_pkg(pkg, db_builds(pkg$name))
  20     sapply(rev(rownames(builds)), function(b, changelog) generate_changelog_entry(builds[b,], changelog), pkg$debfile('changelog.in'))
  21 }
  22
  23 generate_changelog_entry <- function(build, changelog) {
  24     # TODO: should say 'New upstream release' when necessary
  25     debversion <- version_new(build$r_version, build$deb_revision, build$deb_epoch)
  26     cat(paste(paste(build$srcname,' (',debversion,') unstable; urgency=low',sep='')
  27              ,'' ,paste('  * cran2deb ',build$git_revision
  28                        ,' with DB version ',as.integer(build$db_version),'.',sep='')
  29              ,'',paste(' --',maintainer,'',build$date_stamp)
  30              ,'','','',sep='\n'),file=changelog, append=TRUE)
  31 }
  32
  33 generate_rules <- function(pkg) {
  34     cat(paste('#!/usr/bin/make -f'
  35              ,paste('debRreposname :=',pkg$repo)
  36              ,'include /usr/share/R/debian/r-cran.mk'
  37              ,'',sep='\n')
  38        ,file=pkg$debfile('rules'))
  39     Sys.chmod(pkg$debfile('rules'),'0700')
  40 }
  41
  42 generate_copyright <- function(pkg) {
  43     # generate_copyright file; we trust DESCRIPTION
  44
  45     # if maintainer is missing then try to use author
  46     if (!('Maintainer' %in% colnames(pkg$description))) {
  47         if ('Author' %in% colnames(pkg$description)) {
  48             maintainer = pkg$description[1,'Author']
  49         } else {
  50             fail('Maintainer and Author not defined in R DESCRIPTION')
  51         }
  52     } else {
  53         maintainer = pkg$description[1,'Maintainer']
  54     }
  55     # likewise if author is missing then try to use maintainer
  56     if (!('Author' %in% colnames(pkg$description))) {
  57         author = maintainer
  58     } else {
  59         author = pkg$description[1,'Author']
  60     }
  61
  62     writeLines(strwrap(
  63         paste('This Debian package of the GNU R package',pkg$name
  64              ,'was generated automatically using cran2deb by'
  65              ,paste(maintainer,'.',sep='')
  66              ,''
  67              ,'The original GNU R package is Copyright (C) '
  68              # TODO: copyright start date, true copyright date
  69              ,format(Sys.time(),'%Y')
  70              ,author
  71              ,'and possibly others.'
  72              ,''
  73              ,'The original GNU R package is maintained by'
  74              ,maintainer,'and was obtained from:'
  75              ,''
  76              ,pkg$repoURL
  77              ,''
  78              ,''
  79              ,'The GNU R package DESCRIPTION offers a'
  80              ,'Copyright licenses under the terms of the license:'
  81              ,pkg$license,'.  On a Debian GNU/Linux system, common'
  82              ,'licenses are included in the directory'
  83              ,'/usr/share/common-licenses/.'
  84              ,''
  85              ,'The DESCRIPTION file for the original GNU R package '
  86              ,'can be found in '
  87              ,file.path('/usr/lib/R/site-library'
  88                    ,pkg$debname
  89                    ,'DESCRIPTION'
  90                    )
  91              ,sep='\n'), width=72), con=pkg$debfile('copyright.in'))
  92 }
  93
  94 prepare_new_debian <- function(pkg,extra_deps) {
  95     # generate Debian version and name
  96     pkg$debversion = new_build_version(pkg$name)
  97
  98     # make the debian/ directory
  99     debdir <- file.path(pkg$path,'debian')
 100     pkg$debfile <- function(x) { file.path(debdir,x) }
 101     unlink(debdir,recursive=T)
 102     dir.create(debdir)
 103
 104     # see if this is an architecture-dependent package.
 105     # heuristic: if /src/ exists in pkg$path, then this is an
 106     #            architecture-dependent package.
 107     # CRAN2DEB.pm is a bit fancier about this but ``Writing R extensions''
 108     # says: ``The sources and headers for the compiled code are in src, plus
 109     # optionally file Makevars or Makefile.'' It seems unlikely that
 110     # architecture independent code would end up here.
 111     if (pkg$is_bundle) {
 112         # if it's a bundle, check each of the packages
 113         pkg$archdep = F
 114         for (pkgname in r_bundle_contains(pkg$name)) {
 115             pkg$archdep = file.exists(file.path(pkg$path,pkgname,'src'))
 116             if (pkg$archdep) {
 117                 break
 118             }
 119         }
 120     } else {
 121         pkg$archdep = file.exists(file.path(pkg$path,'src'))
 122     }
 123     pkg$arch <- 'all'
 124     if (pkg$archdep) {
 125         pkg$arch <- host_arch
 126     }
 127
 128     pkg$license <- accept_license(pkg)
 129     pkg$depends <- get_dependencies(pkg,extra_deps)
 130     generate_changelog(pkg)
 131     generate_rules(pkg)
 132     generate_copyright(pkg)
 133     generate_control(pkg)
 134
 135     # convert text to utf8 (who knows what the original character set is --
 136     # let's hope iconv DTRT).
 137     for (file in c('control','changelog','copyright')) {
 138         log_system('iconv -o ',shQuote(pkg$debfile(file))
 139                     ,' -t utf8 -c '
 140                     ,shQuote(pkg$debfile(paste(file,'in',sep='.'))))
 141         file.remove(pkg$debfile(paste(file,'in',sep='.')))
 142     }
 143     return(pkg)
 144 }