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-rw-r--r--cmdline/apt-get.cc204
1 files changed, 39 insertions, 165 deletions
diff --git a/cmdline/apt-get.cc b/cmdline/apt-get.cc
index a4cd3c377..184b51d23 100644
--- a/cmdline/apt-get.cc
+++ b/cmdline/apt-get.cc
@@ -1410,196 +1410,70 @@ static 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"
- */
-static string GetChangelogPath(CacheFile &Cache,
- pkgCache::VerIterator Ver)
-{
- pkgRecords Recs(Cache);
- pkgRecords::Parser &rec=Recs.Lookup(Ver.FileList());
- string path = flNotFile(rec.FileName());
-#if APT_PKG_ABI >= 413
- path.append(Ver.SourcePkgName());
- path.append("_");
- path.append(StripEpoch(Ver.SourceVerStr()));
-#else
- string srcpkg = rec.SourcePkg().empty() ? Ver.ParentPkg().Name() : rec.SourcePkg();
- string ver = Ver.VerStr();
- // if there is a source version it always wins
- if (rec.SourceVer() != "")
- ver = rec.SourceVer();
- path += srcpkg + "_" + StripEpoch(ver);
-#endif
- 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
- */
-static bool GuessThirdPartyChangelogUri(CacheFile &Cache,
- 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, 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 /*{{{*/
-// ---------------------------------------------------------------------
-static 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)
- */
-{
- // make the server root configurable
- string const server = _config->Find("Apt::Changelogs::Server",
- "http://packages.debian.org/changelogs");
- string const path = GetChangelogPath(CacheFile, Ver);
- string changelog_uri;
- if (APT::String::Endswith(server, "/") == true)
- strprintf(changelog_uri, "%s%s/changelog", server.c_str(), path.c_str());
- else
- strprintf(changelog_uri, "%s/%s/changelog", server.c_str(), path.c_str());
- if (_config->FindB("APT::Get::Print-URIs", false) == true)
- {
- std::cout << '\'' << changelog_uri << '\'' << std::endl;
- return true;
- }
- pkgCache::PkgIterator const Pkg = Ver.ParentPkg();
-
- string descr;
- strprintf(descr, _("Changelog for %s (%s)"), Pkg.Name(), changelog_uri.c_str());
- // queue it
- pkgAcquire::Item const * itm = new pkgAcqFile(&Fetcher, changelog_uri, "", 0, descr, Pkg.Name(), "ignored", targetfile);
-
- // Disable drop-privs if "_apt" can not write to the target dir
- CheckDropPrivsMustBeDisabled(Fetcher);
-
- // try downloading it, if that fails, try third-party-changelogs location
- // FIXME: Fetcher.Run() is "Continue" even if I get a 404?!?
- Fetcher.Run();
- if (itm->Status != pkgAcquire::Item::StatDone)
- {
- string third_party_uri;
- if (GuessThirdPartyChangelogUri(CacheFile, Ver, third_party_uri))
- {
- strprintf(descr, _("Changelog for %s (%s)"), Pkg.Name(), third_party_uri.c_str());
- itm = new pkgAcqFile(&Fetcher, third_party_uri, "", 0, descr, Pkg.Name(), "ignored", targetfile);
- Fetcher.Run();
- }
- }
-
- if (itm->Status == pkgAcquire::Item::StatDone)
- return true;
-
- // error
- return _error->Error("changelog download failed");
-}
- /*}}}*/
// DoChangelog - Get changelog from the command line /*{{{*/
-// ---------------------------------------------------------------------
static bool DoChangelog(CommandLine &CmdL)
{
CacheFile Cache;
if (Cache.ReadOnlyOpen() == false)
return false;
-
+
APT::CacheSetHelper helper;
APT::VersionList verset = APT::VersionList::FromCommandLine(Cache,
CmdL.FileList + 1, APT::CacheSetHelper::CANDIDATE, helper);
if (verset.empty() == true)
return false;
pkgAcquire Fetcher;
+ AcqTextStatus Stat(std::cout, ScreenWidth,_config->FindI("quiet",0));
+ Fetcher.SetLog(&Stat);
- if (_config->FindB("APT::Get::Print-URIs", false) == true)
+ bool const downOnly = _config->FindB("APT::Get::Download-Only", false);
+ bool const printOnly = _config->FindB("APT::Get::Print-URIs", false);
+
+ for (APT::VersionList::const_iterator Ver = verset.begin();
+ Ver != verset.end();
+ ++Ver)
{
- bool Success = true;
- for (APT::VersionList::const_iterator Ver = verset.begin();
- Ver != verset.end(); ++Ver)
- Success &= DownloadChangelog(Cache, Fetcher, Ver, "");
- return Success;
+ if (printOnly)
+ new pkgAcqChangelog(&Fetcher, Ver, "/dev/null");
+ else if (downOnly)
+ new pkgAcqChangelog(&Fetcher, Ver, ".");
+ else
+ new pkgAcqChangelog(&Fetcher, Ver);
}
- AcqTextStatus Stat(std::cout, ScreenWidth,_config->FindI("quiet",0));
- Fetcher.SetLog(&Stat);
+ if (printOnly == false)
+ {
+ // Disable drop-privs if "_apt" can not write to the target dir
+ CheckDropPrivsMustBeDisabled(Fetcher);
+ if (_error->PendingError() == true)
+ return false;
- bool const downOnly = _config->FindB("APT::Get::Download-Only", false);
+ bool Failed = false;
+ if (AcquireRun(Fetcher, 0, &Failed, NULL) == false || Failed == true)
+ return false;
+ }
- char tmpname[100];
- const char* tmpdir = NULL;
- if (downOnly == false)
+ if (downOnly == false || printOnly == true)
{
- std::string systemTemp = GetTempDir();
- snprintf(tmpname, sizeof(tmpname), "%s/apt-changelog-XXXXXX",
- systemTemp.c_str());
- tmpdir = mkdtemp(tmpname);
- if (tmpdir == NULL)
- return _error->Errno("mkdtemp", "mkdtemp failed");
-
- std::string const SandboxUser = _config->Find("APT::Sandbox::User");
- if (getuid() == 0 && SandboxUser.empty() == false) // if we aren't root, we can't chown, so don't try it
+ bool Failed = false;
+ for (pkgAcquire::ItemIterator I = Fetcher.ItemsBegin(); I != Fetcher.ItemsEnd(); ++I)
{
- struct passwd const * const pw = getpwnam(SandboxUser.c_str());
- struct group const * const gr = getgrnam("root");
- if (pw != NULL && gr != NULL)
+ if (printOnly)
{
- // chown the tmp dir directory we use to the sandbox user
- if(chown(tmpdir, pw->pw_uid, gr->gr_gid) != 0)
- _error->WarningE("DoChangelog", "chown to %s:%s of directory %s failed", SandboxUser.c_str(), "root", tmpdir);
+ if ((*I)->ErrorText.empty() == false)
+ {
+ Failed = true;
+ _error->Error("%s", (*I)->ErrorText.c_str());
+ }
+ else
+ cout << '\'' << (*I)->DescURI() << "' " << flNotDir((*I)->DestFile) << std::endl;
}
+ else
+ DisplayFileInPager((*I)->DestFile);
}
+ return Failed == false;
}
- for (APT::VersionList::const_iterator Ver = verset.begin();
- Ver != verset.end();
- ++Ver)
- {
- string changelogfile;
- if (downOnly == false)
- changelogfile.append(tmpname).append("/changelog");
- else
- changelogfile.append(Ver.ParentPkg().Name()).append(".changelog");
- if (DownloadChangelog(Cache, Fetcher, Ver, changelogfile) && downOnly == false)
- {
- DisplayFileInPager(changelogfile);
- // cleanup temp file
- unlink(changelogfile.c_str());
- }
- }
- // clenaup tmp dir
- if (tmpdir != NULL)
- rmdir(tmpdir);
return true;
}
/*}}}*/
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