+++ /dev/null
-version_new <- function(rver,debian_revision=1, debian_epoch=db_get_base_epoch()) {
- # generate a string representation of the Debian version of an
- # R version of a package
- pkgver = rver
-
- # ``Writing R extensions'' says that the version consists of at least two
- # non-negative integers, separated by . or -
- if (!length(grep('^([0-9]+[.-])+[0-9]+$',rver))) {
- fail('Not a valid R package version',rver)
- }
-
- # Debian policy says that an upstream version should start with a digit and
- # may only contain ASCII alphanumerics and '.+-:~'
- if (!length(grep('^[0-9][A-Za-z0-9.+:~-]*$',rver))) {
- fail('R package version',rver
- ,'does not obviously translate into a valid Debian version.')
- }
-
- # if rver contains a : then the Debian version must also have a colon
- if (debian_epoch == 0 && length(grep(':',pkgver)))
- debian_epoch = 1
-
- # if the epoch is non-zero then include it
- if (debian_epoch != 0)
- pkgver = paste(debian_epoch,':',pkgver,sep='')
-
- # always add the '-1' Debian release; nothing is lost and rarely will R
- # packages be Debian packages without modification.
- return(paste(pkgver,'-',debian_revision,sep=''))
-}
-
-version_epoch <- function(pkgver) {
- # return the Debian epoch of a Debian package version
- if (!length(grep(':',pkgver)))
- return(0)
- return(as.integer(sub('^([0-9]+):.*','\\1',pkgver)))
-}
-# version_epoch . version_new(x,y) = id
-# version_epoch(version_new(x,y)) = base_epoch
-
-version_revision <- function(pkgver) {
- # return the Debian revision of a Debian package version
- return(as.integer(sub('.*-([0-9]+)$','\\1',pkgver)))
-}
-# version_revision . version_new(x) = id
-# version_revision(version_new(x)) = 1
-
-version_upstream <- function(pkgver) {
- # return the upstream version of a Debian package version
- return(sub('-[0-9]+$','',sub('^[0-9]+:','',pkgver)))
-}
-# version_upstream . version_new = id
-
-version_update <- function(rver, prev_pkgver, prev_success) {
- # return the next debian package version
- prev_rver <- version_upstream(prev_pkgver)
- if (prev_rver == rver) {
- # increment the Debian revision if the previous build was successful
- inc = 0
- if (prev_success) {
- inc = 1
- }
- return(version_new(rver
- ,debian_revision = version_revision(prev_pkgver)+inc
- ,debian_epoch = version_epoch(prev_pkgver)
- ))
- }
- # new release
- # TODO: implement Debian ordering over version and then autoincrement
- # Debian epoch when upstream version does not increment.
- return(version_new(rver
- ,debian_epoch = version_epoch(prev_pkgver)
- ))
-}
-
-new_build_version <- function(pkgname) {
- if (!(pkgname %in% rownames(available))) {
- bundle <- r_bundle_of(pkgname)
- if (is.null(bundle)) {
- fail('tried to discover new version of',pkgname,'but it does not appear to be available')
- }
- name <- bundle
- }
- db_ver <- db_latest_build_version(pkgname)
- db_succ <- db_latest_build_status(pkgname)[[1]]
- latest_r_ver <- available[pkgname,'Version']
- if (!is.null(db_ver)) {
- return(version_update(latest_r_ver, db_ver, db_succ))
- }
- return(version_new(latest_r_ver))
-}
-