--- /dev/null
+get_dependencies <- function(pkg,extra_deps) {
+ # determine dependencies
+ dependencies <- r_dependencies_of(description=pkg$description)
+ depends <- list()
+ # these are used for generating the Depends fields
+ as_deb <- function(r,build) {
+ return(pkgname_as_debian(paste(dependencies[r,]$name)
+ ,version=dependencies[r,]$version
+ ,repopref=pkg$repo
+ ,build=build))
+ }
+ depends$bin <- lapply(rownames(dependencies), as_deb, build=F)
+ depends$build <- lapply(rownames(dependencies), as_deb, build=T)
+ # add the command line dependencies
+ depends$bin = c(extra_deps$deb,depends$bin)
+ depends$build = c(extra_deps$deb,depends$build)
+ # add the system requirements
+ if ('SystemRequirements' %in% colnames(pkg$description)) {
+ sysreq <- sysreqs_as_debian(pkg$description[1,'SystemRequirements'])
+ depends$bin = c(sysreq$bin,depends$bin)
+ depends$build = c(sysreq$build,depends$build)
+ }
+
+ forced <- forced_deps_as_debian(pkg$name)
+ if (length(forced)) {
+ notice('forced build dependencies:',paste(forced$build, collapse=', '))
+ notice('forced binary dependencies:',paste(forced$bin, collapse=', '))
+ depends$bin = c(forced$bin,depends$bin)
+ depends$build = c(forced$build,depends$build)
+ }
+
+ # make sure we depend upon R in some way...
+ if (!length(grep('^r-base',depends$build))) {
+ depends$build = c(depends$build,pkgname_as_debian('R',version='>= 2.7.0',build=T))
+ depends$bin = c(depends$bin, pkgname_as_debian('R',version='>= 2.7.0',build=F))
+ }
+ # also include stuff to allow tcltk to build (suggested by Dirk)
+ depends$build = c(depends$build,'xvfb','xauth','xfonts-base')
+
+ # make all bin dependencies build dependencies.
+ depends$build = c(depends$build, depends$bin)
+
+ # remove duplicates
+ depends <- lapply(depends,unique)
+
+ # append the Debian dependencies
+ depends$build=c(depends$build,'debhelper (>> 4.1.0)','cdbs')
+ if (pkg$archdep) {
+ depends$bin=c(depends$bin,'${shlibs:Depends}')
+ }
+
+ # the names of dependent source packages (to find the .changes file to
+ # upload via dput). these can be found recursively.
+ depends$r = r_dependency_closure(dependencies)
+ # append command line dependencies
+ depends$r = c(extra_deps$r, depends$r)
+ return(depends)
+}
+
+sysreqs_as_debian <- function(sysreq_text) {
+ # form of this field is unspecified (ugh) but most people seem to stick
+ # with this
+ aliases <- c()
+ sysreq_text <- gsub('[[:space:]]and[[:space:]]',' , ',tolower(sysreq_text))
+ for (sysreq in strsplit(sysreq_text,'[[:space:]]*,[[:space:]]*')[[1]]) {
+ startreq = sysreq
+ # constant case
+ sysreq = tolower(sysreq)
+ # drop version information/comments for now
+ sysreq = gsub('[[][^])]*[]]','',sysreq)
+ sysreq = gsub('\\([^)]*\\)','',sysreq)
+ sysreq = gsub('[[][^])]*[]]','',sysreq)
+ sysreq = gsub('version','',sysreq)
+ sysreq = gsub('from','',sysreq)
+ sysreq = gsub('[<>=]*[[:space:]]*[[:digit:]]+[[:digit:].+:~-]*','',sysreq)
+ # byebye URLs
+ sysreq = gsub('(ht|f)tps?://[[:alnum:]!?*"\'(),%$_@.&+/=-]*','',sysreq)
+ # squish out space
+ sysreq = chomp(gsub('[[:space:]]+',' ',sysreq))
+ alias <- db_sysreq_override(sysreq)
+ if (is.null(alias)) {
+ error('do not know what to do with SystemRequirement:',sysreq)
+ error('original SystemRequirement:',startreq)
+ fail('unmet system requirement')
+ }
+ notice('mapped SystemRequirement',startreq,'onto',alias,'via',sysreq)
+ aliases = c(aliases,alias)
+ }
+ return(map_aliases_to_debian(aliases))
+}
+
+forced_deps_as_debian <- function(r_name) {
+ aliases <- db_get_forced_depends(r_name)
+ return(map_aliases_to_debian(aliases))
+}
+
+map_aliases_to_debian <- function(aliases) {
+ if (!length(aliases)) {
+ return(aliases)
+ }
+ debs <- list()
+ debs$bin = unlist(sapply(aliases, db_get_depends))
+ debs$build = unlist(sapply(aliases, db_get_depends, build=T))
+ debs$bin = debs$bin[debs$bin != 'build-essential']
+ debs$build = debs$build[debs$build != 'build-essential']
+ return(debs)
+}
+
+generate_control <- function(pkg) {
+ # construct control file
+ control = data.frame()
+ control[1,'Source'] = pkg$srcname
+ control[1,'Section'] = 'math'
+ control[1,'Priority'] = 'optional'
+ control[1,'Maintainer'] = maintainer
+ control[1,'Build-Depends'] = paste(pkg$depends$build,collapse=', ')
+ control[1,'Standards-Version'] = '3.8.0'
+
+ control[2,'Package'] = pkg$debname
+ control[2,'Architecture'] = 'all'
+ if (pkg$archdep) {
+ control[2,'Architecture'] = 'any'
+ }
+ control[2,'Depends'] = paste(pkg$depends$bin,collapse=', ')
+
+# # bundles provide virtual packages of their contents
+# # unnecessary for now; cran2deb converts R bundles itself
+# if (pkg$is_bundle) {
+# control[2,'Provides'] = paste(
+# lapply(r_bundle_contains(pkg$name)
+# ,function(name) return(pkgname_as_debian(paste(name)
+# ,repopref=pkg$repo)))
+# ,collapse=', ')
+# }
+
+ # generate the description
+ descr = 'GNU R package "'
+ if ('Title' %in% colnames(pkg$description)) {
+ descr = paste(descr,pkg$description[1,'Title'],sep='')
+ } else {
+ descr = paste(descr,pkg$name,sep='')
+ }
+ if (pkg$is_bundle) {
+ long_descr <- pkg$description[1,'BundleDescription']
+ } else {
+ long_descr <- pkg$description[1,'Description']
+ }
+
+ if (length(long_descr) < 1) {
+ # bypass lintian extended-description-is-empty for which we care not.
+ long_descr <- paste('The author/maintainer of this package'
+ ,'did not care to enter a longer description.')
+ }
+
+ # using \n\n.\n\n is not very nice, but is necessary to make sure
+ # the longer description does not begin on the synopsis line --- R's
+ # write.dcf does not appear to have a nicer way of doing this.
+ descr = paste(descr,'"\n\n', long_descr, sep='')
+ if ('URL' %in% colnames(pkg$description)) {
+ descr = paste(descr,'\n\nURL: ',pkg$description[1,'URL'],sep='')
+ }
+ control[2,'Description'] = descr
+
+ # Debian policy says 72 char width; indent minimally
+ write.dcf(control,file=pkg$debfile('control.in'),indent=1,width=72)
+}
+
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