diff options
Diffstat (limited to 'cmdline')
| -rw-r--r-- | cmdline/apt-get.cc | 98 |
1 files changed, 54 insertions, 44 deletions
diff --git a/cmdline/apt-get.cc b/cmdline/apt-get.cc index b645da878..0c7100283 100644 --- a/cmdline/apt-get.cc +++ b/cmdline/apt-get.cc @@ -2787,80 +2787,90 @@ bool DoBuildDep(CommandLine &CmdL) return true; } /*}}}*/ +// GetChangelogPath - return a path pointing to a changelog file or dir /*{{{*/ +// --------------------------------------------------------------------- +/* This returns a "path" string for the changelog url construction. + * Please note that its not complete, it either needs a "/changelog" + * appended (for the packages.debian.org/changelogs site) or a + * ".changelog" (for third party sites that store the changelog in the + * pool/ next to the deb itself) + * Example return: "pool/main/a/apt/apt_0.8.8ubuntu3" + */ +string GetChangelogPath(CacheFile &Cache, + pkgCache::PkgIterator Pkg, + pkgCache::VerIterator Ver) +{ + string path; + + pkgRecords Recs(Cache); + pkgRecords::Parser &rec=Recs.Lookup(Ver.FileList()); + string srcpkg = rec.SourcePkg().empty() ? Pkg.Name() : rec.SourcePkg(); + // FIXME: deal with cases like gcc-defaults (srcver != binver) + string srcver = StripEpoch(Ver.VerStr()); + path = flNotFile(rec.FileName()); + path += srcpkg + "_" + srcver; + return path; +} + /*}}}*/ // GuessThirdPartyChangelogUri - return url /*{{{*/ // --------------------------------------------------------------------- +/* Contruct a changelog file path for third party sites that do not use + * packages.debian.org/changelogs + * This simply uses the ArchiveURI() of the source pkg and looks for + * a .changelog file there, Example for "mediabuntu": + * apt-get changelog mplayer-doc: + * http://packages.medibuntu.org/pool/non-free/m/mplayer/mplayer_1.0~rc4~try1.dsfg1-1ubuntu1+medibuntu1.changelog + */ bool GuessThirdPartyChangelogUri(CacheFile &Cache, pkgCache::PkgIterator Pkg, pkgCache::VerIterator Ver, string &out_uri) { - pkgRecords Recs(Cache); - pkgSourceList *SrcList = Cache.GetSourceList(); - // get the binary deb server path - pkgRecords::Parser &rec=Recs.Lookup(Ver.FileList()); - string srcpkg = rec.SourcePkg().empty() ? Pkg.Name() : rec.SourcePkg(); - // FIXME: deal with cases like gcc-defaults (srcver != binver) - string srcver = StripEpoch(Ver.VerStr()); - pkgCache::VerFileIterator Vf = Ver.FileList(); if (Vf.end() == true) return false; pkgCache::PkgFileIterator F = Vf.File(); pkgIndexFile *index; + pkgSourceList *SrcList = Cache.GetSourceList(); if(SrcList->FindIndex(F, index) == false) return false; + // get archive uri for the binary deb - string deb_uri = index->ArchiveURI(rec.FileName()); + string path_without_dot_changelog = GetChangelogPath(Cache, Pkg, Ver); + out_uri = index->ArchiveURI(path_without_dot_changelog + ".changelog"); // now strip away the filename and add srcpkg_srcver.changelog - out_uri = flNotFile(deb_uri); - out_uri += srcpkg + "_" + srcver + ".changelog"; return true; } // DownloadChangelog - Download the changelog /*{{{*/ // --------------------------------------------------------------------- -bool DownloadChangelog(CacheFile &CacheFile, pkgAcquire &Fetcher, pkgCache::VerIterator V, string targetfile) +bool DownloadChangelog(CacheFile &CacheFile, pkgAcquire &Fetcher, + pkgCache::VerIterator Ver, string targetfile) +/* Download a changelog file for the given package version to + * targetfile. This will first try the server from Apt::Changelogs::Server + * (http://packages.debian.org/changelogs by default) and if that gives + * a 404 tries to get it from the archive directly (see + * GuessThirdPartyChangelogUri for details how) + */ { string srcpkg; - string prefix; + string path; string descr; - string src_section; - string verstr; string server; - string path; + string changelog_uri; // data structures we need - pkgRecords Recs(CacheFile); - pkgCache::PkgIterator Pkg = V.ParentPkg(); - pkgRecords::Parser &rec=Recs.Lookup(V.FileList()); - - // build uri - srcpkg = rec.SourcePkg().empty() ? Pkg.Name() : rec.SourcePkg(); - // FIXME: we actually need the source section here - src_section= Pkg.Section(); - if(src_section.find('/')!=src_section.npos) - src_section=string(src_section, 0, src_section.find('/')); - else - src_section="main"; - - prefix+=srcpkg[0]; - if(srcpkg.size()>3 && srcpkg[0]=='l' && srcpkg[1]=='i' && srcpkg[2]=='b') - prefix=std::string("lib")+srcpkg[3]; + pkgCache::PkgIterator Pkg = Ver.ParentPkg(); - verstr = V.VerStr(); - if(verstr.find(':')!=verstr.npos) - verstr=string(verstr, verstr.find(':')+1); - - // make the server configurable + // make the server root configurable server = _config->Find("Apt::Changelogs::Server", - "http://packages.debian.org/"); - // ... but not the format string to avoid all possible attacks - strprintf(path, "/changelogs/pool/%s/%s/%s/%s_%s/changelog", src_section.c_str(), prefix.c_str(), srcpkg.c_str(), srcpkg.c_str(), verstr.c_str()); - // queue it - string changelog_uri = server+path; + "http://packages.debian.org/changelogs"); + path = GetChangelogPath(CacheFile, Pkg, Ver); + strprintf(changelog_uri, "%s/%s/changelog", server.c_str(), path.c_str()); strprintf(descr, _("Changelog for %s (%s)"), srcpkg.c_str(), changelog_uri.c_str()); - new pkgAcqFile(&Fetcher, uri, "", 0, descr, srcpkg, "ignored", targetfile); + // queue it + new pkgAcqFile(&Fetcher, changelog_uri, "", 0, descr, srcpkg, "ignored", targetfile); // try downloading it, if that fails, they third-party-changelogs location // FIXME: res is "Continue" even if I get a 404?!? @@ -2868,7 +2878,7 @@ bool DownloadChangelog(CacheFile &CacheFile, pkgAcquire &Fetcher, pkgCache::VerI if (!FileExists(targetfile)) { string third_party_uri; - if (GuessThirdPartyChangelogUri(CacheFile, Pkg, V, third_party_uri)) + if (GuessThirdPartyChangelogUri(CacheFile, Pkg, Ver, third_party_uri)) { strprintf(descr, _("Changelog for %s (%s)"), srcpkg.c_str(), third_party_uri.c_str()); new pkgAcqFile(&Fetcher, third_party_uri, "", 0, descr, srcpkg, "ignored", targetfile); |