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authorJulian Andres Klode <jak@debian.org>2019-01-22 10:54:07 +0000
committerJulian Andres Klode <jak@debian.org>2019-01-22 10:54:07 +0000
commit01c57d7235e9013a977646cbee73af43cbc1048b (patch)
tree20c6953585a1c55472b6bf73197dc0bf48b4d35e /cmdline/apt-mark.cc
parent1351fb372ae01453166682e8e12484b2e02c759b (diff)
parentbe7eb047e1202971f84bb4ac27e796d85bebdce9 (diff)
Merge branch 'pu/minimize-manual' into 'master'
apt-mark minimize-manual See merge request apt-team/apt!39
Diffstat (limited to 'cmdline/apt-mark.cc')
-rw-r--r--cmdline/apt-mark.cc122
1 files changed, 122 insertions, 0 deletions
diff --git a/cmdline/apt-mark.cc b/cmdline/apt-mark.cc
index 927b31d2f..161845b53 100644
--- a/cmdline/apt-mark.cc
+++ b/cmdline/apt-mark.cc
@@ -125,6 +125,127 @@ static bool DoMarkAuto(CommandLine &CmdL)
return true;
}
/*}}}*/
+// helper for Install-Recommends-Sections and Never-MarkAuto-Sections /*{{{*/
+static bool
+ConfigValueInSubTree(const char *SubTree, const char *needle)
+{
+ // copied from depcache.cc
+ Configuration::Item const *Opts;
+ Opts = _config->Tree(SubTree);
+ if (Opts != 0 && Opts->Child != 0)
+ {
+ Opts = Opts->Child;
+ for (; Opts != 0; Opts = Opts->Next)
+ {
+ if (Opts->Value.empty() == true)
+ continue;
+ if (strcmp(needle, Opts->Value.c_str()) == 0)
+ return true;
+ }
+ }
+ return false;
+}
+ /*}}}*/
+/* DoMinimize - minimize manually installed {{{*/
+/* Traverses dependencies of meta packages and marks them as manually
+ * installed. */
+static bool DoMinimize(CommandLine &CmdL)
+{
+
+ pkgCacheFile CacheFile;
+ pkgDepCache *const DepCache = CacheFile.GetDepCache();
+ if (unlikely(DepCache == nullptr))
+ return false;
+
+ if (CmdL.FileList[1] != nullptr)
+ return _error->Error(_("%s does not take any arguments"), "apt-mark minimize-manual");
+
+ auto Debug = _config->FindB("Debug::AptMark::Minimize", false);
+ auto is_root = [&DepCache](pkgCache::PkgIterator const &pkg) {
+ auto ver = pkg.CurrentVer();
+ return ver.end() == false && ((*DepCache)[pkg].Flags & pkgCache::Flag::Auto) == 0 &&
+ ver->Section != 0 &&
+ ConfigValueInSubTree("APT::Never-MarkAuto-Sections", ver.Section());
+ };
+
+ APT::PackageSet roots;
+ for (auto Pkg = DepCache->PkgBegin(); Pkg.end() == false; ++Pkg)
+ {
+ if (is_root(Pkg))
+ {
+ if (Debug)
+ std::clog << "Found root " << Pkg.Name() << std::endl;
+ roots.insert(Pkg);
+ }
+ }
+
+ APT::PackageSet workset(roots);
+ APT::PackageSet seen;
+ APT::PackageSet changed;
+
+ pkgDepCache::ActionGroup group(*DepCache);
+
+ while (workset.empty() == false)
+ {
+ if (Debug)
+ std::clog << "Iteration\n";
+
+ APT::PackageSet workset2;
+ for (auto &Pkg : workset)
+ {
+ if (seen.find(Pkg) != seen.end())
+ continue;
+
+ seen.insert(Pkg);
+
+ if (Debug)
+ std::cerr << " Visiting " << Pkg.FullName(true) << "\n";
+ if (roots.find(Pkg) == roots.end() && ((*DepCache)[Pkg].Flags & pkgCache::Flag::Auto) == 0)
+ {
+ DepCache->MarkAuto(Pkg, true);
+ changed.insert(Pkg);
+ }
+
+ // Visit dependencies, add them to next working set
+ for (auto Dep = Pkg.CurrentVer().DependsList(); !Dep.end(); ++Dep)
+ {
+ if (DepCache->IsImportantDep(Dep) == false)
+ continue;
+ std::unique_ptr<pkgCache::Version *[]> targets(Dep.AllTargets());
+ for (int i = 0; targets[i] != nullptr; i++)
+ {
+ pkgCache::VerIterator Tgt(*DepCache, targets[i]);
+ if (Tgt.ParentPkg()->CurrentVer != 0 && Tgt.ParentPkg().CurrentVer()->ID == Tgt->ID)
+ workset2.insert(Tgt.ParentPkg());
+ }
+ }
+ }
+
+ workset = std::move(workset2);
+ }
+
+ if (changed.empty()) {
+ cout << _("No changes necessary") << endl;
+ return true;
+ }
+
+ ShowList(c1out, _("The following packages will be marked as automatically installed:"), changed,
+ [](const pkgCache::PkgIterator &) { return true; },
+ &PrettyFullName,
+ &PrettyFullName);
+
+ if (_config->FindB("APT::Mark::Simulate", false) == false)
+ {
+ if (YnPrompt(_("Do you want to continue?"), false) == false)
+ return true;
+
+ return DepCache->writeStateFile(NULL);
+ }
+
+ return true;
+}
+ /*}}}*/
+
/* ShowAuto - show automatically installed packages (sorted) {{{*/
static bool ShowAuto(CommandLine &CmdL)
{
@@ -293,6 +414,7 @@ static std::vector<aptDispatchWithHelp> GetCommands() /*{{{*/
return {
{"auto",&DoAuto, _("Mark the given packages as automatically installed")},
{"manual",&DoAuto, _("Mark the given packages as manually installed")},
+ {"minimize-manual", &DoMinimize, _("Mark all dependencies of meta packages as automatically installed.")},
{"hold",&DoSelection, _("Mark a package as held back")},
{"unhold",&DoSelection, _("Unset a package set as held back")},
{"install",&DoSelection, nullptr},