1 get_dependencies <- function(pkg,extra_deps) {
2 # determine dependencies
3 dependencies <- r_dependencies_of(description=pkg$description)
5 # these are used for generating the Depends fields
6 as_deb <- function(r,build) {
7 return(pkgname_as_debian(paste(dependencies[r,]$name)
8 ,version=dependencies[r,]$version
12 depends$bin <- lapply(rownames(dependencies), as_deb, build=F)
13 depends$build <- lapply(rownames(dependencies), as_deb, build=T)
14 # add the command line dependencies
15 depends$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$bin,depends$bin)
21 depends$build = c(sysreq$build,depends$build)
24 forced <- forced_deps_as_debian(pkg$name)
26 notice('forced build dependencies:',paste(forced$build, collapse=', '))
27 notice('forced binary dependencies:',paste(forced$bin, collapse=', '))
28 depends$bin = c(forced$bin,depends$bin)
29 depends$build = c(forced$build,depends$build)
32 # make sure we depend upon R in some way...
33 if (!length(grep('^r-base',depends$build))) {
34 depends$build = c(depends$build,pkgname_as_debian('R',version='>= 2.7.0',build=T))
35 depends$bin = c(depends$bin, pkgname_as_debian('R',version='>= 2.7.0',build=F))
37 # also include stuff to allow tcltk to build (suggested by Dirk)
38 depends$build = c(depends$build,'xvfb','xauth','xfonts-base')
40 # make all bin dependencies build dependencies.
41 depends$build = c(depends$build, depends$bin)
44 depends <- lapply(depends,unique)
46 # append the Debian dependencies
47 depends$build=c(depends$build,'debhelper (>> 4.1.0)','cdbs','dpatch')
49 depends$bin=c(depends$bin,'${shlibs:Depends}')
52 # the names of dependent source packages (to find the .changes file to
53 # upload via dput). these can be found recursively.
54 depends$r = r_dependency_closure(dependencies)
55 # append command line dependencies
56 depends$r = c(extra_deps$r, depends$r)
60 sysreqs_as_debian <- function(sysreq_text) {
61 # form of this field is unspecified (ugh) but most people seem to stick
64 sysreq_text <- gsub('[[:space:]]and[[:space:]]',' , ',tolower(sysreq_text))
65 for (sysreq in strsplit(sysreq_text,'[[:space:]]*,[[:space:]]*')[[1]]) {
68 sysreq = tolower(sysreq)
69 # drop version information/comments for now
70 sysreq = gsub('[[][^])]*[]]','',sysreq)
71 sysreq = gsub('\\([^)]*\\)','',sysreq)
72 sysreq = gsub('[[][^])]*[]]','',sysreq)
73 sysreq = gsub('version','',sysreq)
74 sysreq = gsub('from','',sysreq)
75 sysreq = gsub('[<>=]*[[:space:]]*[[:digit:]]+[[:digit:].+:~-]*','',sysreq)
77 sysreq = gsub('(ht|f)tps?://[[:alnum:]!?*"\'(),%$_@.&+/=-]*','',sysreq)
79 sysreq = chomp(gsub('[[:space:]]+',' ',sysreq))
80 alias <- db_sysreq_override(sysreq)
82 error('do not know what to do with SystemRequirement:',sysreq)
83 error('original SystemRequirement:',startreq)
84 fail('unmet system requirement')
86 notice('mapped SystemRequirement',startreq,'onto',alias,'via',sysreq)
87 aliases = c(aliases,alias)
89 return(map_aliases_to_debian(aliases))
92 forced_deps_as_debian <- function(r_name) {
93 aliases <- db_get_forced_depends(r_name)
94 return(map_aliases_to_debian(aliases))
97 map_aliases_to_debian <- function(aliases) {
98 if (!length(aliases)) {
102 debs$bin = unlist(sapply(aliases, db_get_depends))
103 debs$build = unlist(sapply(aliases, db_get_depends, build=T))
104 debs$bin = debs$bin[debs$bin != 'build-essential']
105 debs$build = debs$build[debs$build != 'build-essential']
109 generate_control <- function(pkg) {
110 # construct control file
111 control = data.frame()
112 control[1,'Source'] = pkg$srcname
113 control[1,'Section'] = 'math'
114 control[1,'Priority'] = 'optional'
115 control[1,'Maintainer'] = maintainer
116 control[1,'Build-Depends'] = paste(pkg$depends$build,collapse=', ')
117 control[1,'Standards-Version'] = '3.8.0'
119 control[2,'Package'] = pkg$debname
120 control[2,'Architecture'] = 'all'
122 control[2,'Architecture'] = 'any'
124 control[2,'Depends'] = paste(pkg$depends$bin,collapse=', ')
126 # # bundles provide virtual packages of their contents
127 # # unnecessary for now; cran2deb converts R bundles itself
128 # if (pkg$is_bundle) {
129 # control[2,'Provides'] = paste(
130 # lapply(r_bundle_contains(pkg$name)
131 # ,function(name) return(pkgname_as_debian(paste(name)
132 # ,repopref=pkg$repo)))
136 # generate the description
137 descr = 'GNU R package "'
138 if ('Title' %in% colnames(pkg$description)) {
139 descr = paste(descr,pkg$description[1,'Title'],sep='')
141 descr = paste(descr,pkg$name,sep='')
144 long_descr <- pkg$description[1,'BundleDescription']
146 long_descr <- pkg$description[1,'Description']
149 if (length(long_descr) < 1) {
150 # bypass lintian extended-description-is-empty for which we care not.
151 long_descr <- paste('The author/maintainer of this package'
152 ,'did not care to enter a longer description.')
155 # using \n\n.\n\n is not very nice, but is necessary to make sure
156 # the longer description does not begin on the synopsis line --- R's
157 # write.dcf does not appear to have a nicer way of doing this.
158 descr = paste(descr,'"\n\n', long_descr, sep='')
159 if ('URL' %in% colnames(pkg$description)) {
160 descr = paste(descr,'\n\nURL: ',pkg$description[1,'URL'],sep='')
162 control[2,'Description'] = descr
164 # Debian policy says 72 char width; indent minimally
165 write.dcf(control,file=pkg$debfile('control.in'),indent=1,width=72)