+
+build <- function(name,extra_deps,force=F,do_cleanup=T) {
+ # can't, and hence don't need to, build base packages
+ if (name %in% base_pkgs) {
+ return(T)
+ }
+ log_clear()
+ dir <- setup()
+
+ # obtain the Debian version-to-be
+ version <- try(new_build_version(name))
+ if (inherits(version,'try-error')) {
+ error('failed to build',name)
+ return(NULL)
+ }
+
+ result <- try((function() {
+ if (!force && !needs_build(name,version)) {
+ notice('skipping build of',name)
+ return(NULL)
+ }
+
+ if (name %in% db_blacklist_packages()) {
+ #fail('package',name,'is blacklisted. consult database for reason.')
+ notice('package',name,'is blacklisted. consult database for reason.')
+ return(NULL)
+ }
+
+ pkg <- prepare_new_debian(prepare_pkg(dir,name),extra_deps)
+ if (pkg$debversion != version) {
+ fail('expected Debian version',version,'not equal to actual version',pkg$debversion)
+ }
+
+ notice('R dependencies:',paste(pkg$depends$r,collapse=', '))
+ try_upload <- function(pkg, arch) {
+ ret = log_system('umask 002; reprepro -b ',reprepro_dir,' include testing', changesfile(pkg$srcname,pkg$debversion, arch))
+ if (ret != 0) {
+ fail('upload failed!')
+ }
+ }
+ if (pkg$archdep) {
+ build_debian(pkg, indep_arch)
+ try_upload(pkg, indep_arch)
+ } else {
+ for (arch in archs) {
+ build_debian(pkg, arch)
+ try_upload(pkg, arch)
+ }
+ }
+
+ return(pkg$debversion)
+ })())
+ if (do_cleanup) {
+ cleanup(dir)
+ } else {
+ notice('output is in',dir,'. you must clean this up yourself.')
+ }
+ if (is.null(result)) {
+ # nothing was done so escape asap.
+ return(result)
+ }
+
+ # otherwise record progress
+ failed = inherits(result,'try-error')
+ if (failed) {
+ error('failure of',name,'means these packages will fail:'
+ ,paste(r_dependency_closure(name,forward_arcs=F),collapse=', '))
+ }
+ db_record_build(name, version, log_retrieve(), !failed)
+ return(!failed)
+}
+
+needs_build <- function(name,version) {
+ # see if the last build was successful
+ build <- db_latest_build(name)
+ if (!is.null(build) && build$success) {
+ # then something must have changed for us to attempt this
+ # build
+ if (build$r_version == version_upstream(version) &&
+ build$deb_epoch == version_epoch(version) &&
+ build$db_version == db_get_version()) {
+ return(F)
+ }
+ } else {
+ # always rebuild on failure or no record
+ notice('rebuilding',name,': no build record or previous build failed')
+ return(T)
+ }
+ # see if it has already been built *and* successfully uploaded
+ srcname <- pkgname_as_debian(name,binary=F)
+ debname <- pkgname_as_debian(name,binary=T)
+ all=TRUE
+ for (arch in archs) {
+ all = all && file.exists(changesfile(srcname, version, arch))
+ }
+ if (all || file.exists(changesfile(srcname, version,indep_arch))) {
+ notice('already built',srcname,'version',version)
+ return(F)
+ }
+
+ if (build$r_version != version_upstream(version)) {
+ notice('rebuilding',name,': new upstream version',build$r_version,'(old) vs',version_upstream(version),'(new)')
+ }
+ if (build$deb_epoch != version_epoch(version)) {
+ notice('rebuilding',name,': new cran2deb epoch',build$deb_epoch,'(old) vs',version_epoch(version),'(new)')
+ }
+ if (build$db_version != db_get_version()) {
+ notice('rebuilding',name,': new db version',build$db_version,'(old) vs',db_get_version(),'(new)')
+ }
+ rm(debname,srcname)
+ return(T)
+}
+
+build_debian <- function(pkg,arch) {
+ wd <- getwd()
+ setwd(pkg$path)
+ notice('building Debian package'
+ ,pkg$debname
+ ,paste('(',pkg$debversion,')',sep='')
+ ,'for',arch,'...')
+
+ cmd = paste('pdebuild --configfile',shQuote(get_pbuilder_config(arch)))
+ if (version_revision(pkg$debversion) > 2) {
+ cmd = paste(cmd,'--debbuildopts','-sd')
+ notice('build should exclude original source')
+ }
+ ret = log_system(cmd)
+ setwd(wd)
+ if (ret != 0) {
+ fail('Failed to build package.')
+ }
+}
+