Cleaner.Go(_config->FindDir("Dir::Cache::archives") + "partial/",*Cache);
}
/*}}}*/
+// DoDownload - download a binary /*{{{*/
+// ---------------------------------------------------------------------
+bool DoDownload(CommandLine &CmdL)
+{
+ CacheFile Cache;
+ if (Cache.ReadOnlyOpen() == false)
+ return false;
+
+ APT::CacheSetHelper helper(c0out);
+ APT::VersionSet verset = APT::VersionSet::FromCommandLine(Cache,
+ CmdL.FileList + 1, APT::VersionSet::CANDIDATE, helper);
+ pkgAcquire Fetcher;
+ AcqTextStatus Stat(ScreenWidth, _config->FindI("quiet",0));
+ Fetcher.Setup(&Stat);
+
+ if (verset.empty() == true)
+ return false;
+
+ pkgRecords Recs(Cache);
+ pkgSourceList *SrcList = Cache.GetSourceList();
+ for (APT::VersionSet::const_iterator Ver = verset.begin();
+ Ver != verset.end();
+ ++Ver)
+ {
+ string descr;
+ // get the right version
+ pkgCache::PkgIterator Pkg = Ver.ParentPkg();
+ pkgRecords::Parser &rec=Recs.Lookup(Ver.FileList());
+ pkgCache::VerFileIterator Vf = Ver.FileList();
+ if (Vf.end() == true)
+ return _error->Error("Can not find VerFile");
+ pkgCache::PkgFileIterator F = Vf.File();
+ pkgIndexFile *index;
+ if(SrcList->FindIndex(F, index) == false)
+ return _error->Error("FindIndex failed");
+ string uri = index->ArchiveURI(rec.FileName());
+ strprintf(descr, _("Downloading %s %s"), Pkg.Name(), Ver.VerStr());
+ // get the most appropriate hash
+ HashString hash;
+ if (rec.SHA256Hash() != "")
+ hash = HashString("sha256", rec.SHA256Hash());
+ else if (rec.SHA1Hash() != "")
+ hash = HashString("sha1", rec.SHA1Hash());
+ else if (rec.MD5Hash() != "")
+ hash = HashString("md5", rec.MD5Hash());
+ // get the file
+ new pkgAcqFile(&Fetcher, uri, hash.toStr(), (*Ver)->Size, descr, Pkg.Name(), ".");
+ }
+ bool result = (Fetcher.Run() == pkgAcquire::Continue);
+
+ return result;
+}
+ /*}}}*/
// DoCheck - Perform the check operation /*{{{*/
// ---------------------------------------------------------------------
/* Opening automatically checks the system, this command is mostly used
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();
+ string ver = Ver.VerStr();
+ // if there is a source version it always wins
+ if (rec.SourceVer() != "")
+ ver = rec.SourceVer();
+ path = flNotFile(rec.FileName());
+ path += srcpkg + "_" + StripEpoch(ver);
+ 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)
+{
+ // get the binary deb server path
+ 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 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
+ return true;
+}
+// DownloadChangelog - Download the changelog /*{{{*/
+// ---------------------------------------------------------------------
+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 path;
+ string descr;
+ string server;
+ string changelog_uri;
+
+ // data structures we need
+ pkgCache::PkgIterator Pkg = Ver.ParentPkg();
+
+ // make the server root configurable
+ server = _config->Find("Apt::Changelogs::Server",
+ "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)"), Pkg.Name(), changelog_uri.c_str());
+ // queue it
+ new pkgAcqFile(&Fetcher, changelog_uri, "", 0, descr, Pkg.Name(), "ignored", targetfile);
+
+ // try downloading it, if that fails, they third-party-changelogs location
+ // FIXME: res is "Continue" even if I get a 404?!?
+ int res = Fetcher.Run();
+ if (!FileExists(targetfile))
+ {
+ string third_party_uri;
+ if (GuessThirdPartyChangelogUri(CacheFile, Pkg, Ver, third_party_uri))
+ {
+ strprintf(descr, _("Changelog for %s (%s)"), Pkg.Name(), third_party_uri.c_str());
+ new pkgAcqFile(&Fetcher, third_party_uri, "", 0, descr, Pkg.Name(), "ignored", targetfile);
+ res = Fetcher.Run();
+ }
+ }
+
+ if (FileExists(targetfile))
+ return true;
+
+ // error
+ return _error->Error("changelog download failed");
+}
+ /*}}}*/
+// DisplayFileInPager - Display File with pager /*{{{*/
+void DisplayFileInPager(string filename)
+{
+ pid_t Process = ExecFork();
+ if (Process == 0)
+ {
+ const char *Args[3];
+ Args[0] = "/usr/bin/sensible-pager";
+ Args[1] = filename.c_str();
+ Args[2] = 0;
+ execvp(Args[0],(char **)Args);
+ exit(100);
+ }
+
+ // Wait for the subprocess
+ ExecWait(Process, "sensible-pager", false);
+}
+ /*}}}*/
+// DoChangelog - Get changelog from the command line /*{{{*/
+// ---------------------------------------------------------------------
+bool DoChangelog(CommandLine &CmdL)
+{
+ CacheFile Cache;
+ if (Cache.ReadOnlyOpen() == false)
+ return false;
+
+ APT::CacheSetHelper helper(c0out);
+ APT::VersionSet verset = APT::VersionSet::FromCommandLine(Cache,
+ CmdL.FileList + 1, APT::VersionSet::CANDIDATE, helper);
+ pkgAcquire Fetcher;
+ AcqTextStatus Stat(ScreenWidth, _config->FindI("quiet",0));
+ Fetcher.Setup(&Stat);
+
+ if (verset.empty() == true)
+ return false;
+ char *tmpdir = mkdtemp(strdup("/tmp/apt-changelog-XXXXXX"));
+ if (tmpdir == NULL) {
+ return _error->Errno("mkdtemp", "mkdtemp failed");
+ }
+
+ for (APT::VersionSet::const_iterator Ver = verset.begin();
+ Ver != verset.end();
+ ++Ver)
+ {
+ string changelogfile = string(tmpdir) + "changelog";
+ if (DownloadChangelog(Cache, Fetcher, Ver, changelogfile))
+ DisplayFileInPager(changelogfile);
+ // cleanup temp file
+ unlink(changelogfile.c_str());
+ }
+ // clenaup tmp dir
+ rmdir(tmpdir);
+ free(tmpdir);
+ return true;
+}
+ /*}}}*/
// DoMoo - Never Ask, Never Tell /*{{{*/
// ---------------------------------------------------------------------
/* */
" check - Verify that there are no broken dependencies\n"
" markauto - Mark the given packages as automatically installed\n"
" unmarkauto - Mark the given packages as manually installed\n"
+ " changelog - Download and display the changelog for the given package\n"
+ " download - Download the binary package into the current directory\n"
"\n"
"Options:\n"
" -h This help text.\n"
{"autoclean",&DoAutoClean},
{"check",&DoCheck},
{"source",&DoSource},
+ {"download",&DoDownload},
+ {"changelog",&DoChangelog},
{"moo",&DoMoo},
{"help",&ShowHelp},
{0,0}};
// does a ExecFork)
Keep-Fds {};
+ Changelogs
+ {
+ // server the provides the changelogs, the code will assume
+ // the changlogs are in the pool/ under a srcpkg_ver directory
+ // with the name "changelog"
+ Server "http://packages.debian.org/changelogs";
+ }:
+
// control parameters for cron jobs by /etc/cron.daily/apt
Periodic
{
- BackupArchiveInterval "0";
- // - Backup after n-days if archive contents changed.(0=disable)
-
- BackupLevel "3";
- // - Backup level.(0=disable), 1 is invalid.
-
- // APT::Archives::MaxAge "0"; (old, deprecated)
- MaxAge "0"; // (new)
- // - Set maximum allowed age of a cache package file. If a cache
- // package file is older it is deleted (0=disable)
-
- // APT::Archives::MinAge "2"; (old, deprecated)
- MinAge "2"; // (new)
- // - Set minimum age of a package file. If a file is younger it
- // will not be deleted (0=disable). Usefull to prevent races
- // and to keep backups of the packages for emergency.
-
- // APT::Archives::MaxSize "0"; (old, deprecated)
- MaxSize "0"; // (new)
- // - Set maximum size of the cache in MB (0=disable). If the cache
- // is bigger, cached package files are deleted until the size
- // requirement is met (the biggest packages will be deleted
- // first).
-
- Update-Package-Lists "0";
- // - Do "apt-get update" automatically every n-days (0=disable)
- //
- Download-Upgradeable-Packages "0";
- // - Do "apt-get upgrade --download-only" every n-days (0=disable)
- //
- Unattended-Upgrade "0";
- // - Run the "unattended-upgrade" security upgrade script
- // every n-days (0=disabled)
- // Requires the package "unattended-upgrades" and will write
- // a log in /var/log/unattended-upgrades
- //
- AutocleanInterval "0";
- // - Do "apt-get autoclean" every n-days (0=disable)
-
- Verbose "0";
- // - Send report mail to root
- // 0: no report (or null string)
- // 1: progress report (actually any string)
- // 2: + command outputs (remove -qq, remove 2>/dev/null, add -d)
- // 3: + trace on
+ BackupArchiveInterval "0";
+ // - Backup after n-days if archive contents changed.(0=disable)
+
+ BackupLevel "3";
+ // - Backup level.(0=disable), 1 is invalid.
+
+ // APT::Archives::MaxAge "0"; (old, deprecated)
+ MaxAge "0"; // (new)
+ // - Set maximum allowed age of a cache package file. If a cache
+ // package file is older it is deleted (0=disable)
+
+ // APT::Archives::MinAge "2"; (old, deprecated)
+ MinAge "2"; // (new)
+ // - Set minimum age of a package file. If a file is younger it
+ // will not be deleted (0=disable). Usefull to prevent races
+ // and to keep backups of the packages for emergency.
+
+ // APT::Archives::MaxSize "0"; (old, deprecated)
+ MaxSize "0"; // (new)
+ // - Set maximum size of the cache in MB (0=disable). If the cache
+ // is bigger, cached package files are deleted until the size
+ // requirement is met (the biggest packages will be deleted
+ // first).
+
+ Update-Package-Lists "0";
+ // - Do "apt-get update" automatically every n-days (0=disable)
+ //
+ Download-Upgradeable-Packages "0";
+ // - Do "apt-get upgrade --download-only" every n-days (0=disable)
+ //
+ Unattended-Upgrade "0";
+ // - Run the "unattended-upgrade" security upgrade script
+ // every n-days (0=disabled)
+ // Requires the package "unattended-upgrades" and will write
+ // a log in /var/log/unattended-upgrades
+ //
+ AutocleanInterval "0";
+ // - Do "apt-get autoclean" every n-days (0=disable)
+
+ Verbose "0";
+ // - Send report mail to root
+ // 0: no report (or null string)
+ // 1: progress report (actually any string)
+ // 2: + command outputs (remove -qq, remove 2>/dev/null, add -d)
+ // 3: + trace on
};
};
projects / apt.git / commitdiff
