X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=branch%2Fpatch%2FR%2Fdebcontrol.R;fp=branch%2Fpatch%2FR%2Fdebcontrol.R;h=84d9933780a35d64795aa15649a9766b82bcea03;hb=75ac4a666a0faa4a2d09aeed4db94746c097b1ca;hp=0000000000000000000000000000000000000000;hpb=7c74d4e371b7ecda2035aa106918b0427818cacf;p=cran2deb.git

diff --git a/branch/patch/R/debcontrol.R b/branch/patch/R/debcontrol.R
new file mode 100644
index 0000000..84d9933
--- /dev/null
+++ b/branch/patch/R/debcontrol.R
@@ -0,0 +1,167 @@
+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)
+}
+