+ return true;
+}
+ /*}}}*/
+// DepCache::IsModeChangeOk - check if it is ok to change the mode /*{{{*/
+// ---------------------------------------------------------------------
+/* this is used by all Mark methods on the very first line to check sanity
+ and prevents mode changes for packages on hold for example.
+ If you want to check Mode specific stuff you can use the virtual public
+ Is<Mode>Ok methods instead */
+char const* PrintMode(char const mode)
+{
+ switch (mode)
+ {
+ case pkgDepCache::ModeInstall: return "Install";
+ case pkgDepCache::ModeKeep: return "Keep";
+ case pkgDepCache::ModeDelete: return "Delete";
+ default: return "UNKNOWN";
+ }
+}
+bool pkgDepCache::IsModeChangeOk(ModeList const mode, PkgIterator const &Pkg,
+ unsigned long const Depth, bool const FromUser)
+{
+ // we are not trying to hard…
+ if (unlikely(Depth > 100))
+ return false;
+
+ // general sanity
+ if (unlikely(Pkg.end() == true || Pkg->VersionList == 0))
+ return false;
+
+ // the user is always right
+ if (FromUser == true)
+ return true;
+
+ StateCache &P = PkgState[Pkg->ID];
+
+ // if previous state was set by user only user can reset it
+ if ((P.iFlags & Protected) == Protected)
+ {
+ if (unlikely(DebugMarker == true) && P.Mode != mode)
+ std::clog << OutputInDepth(Depth) << "Ignore Mark" << PrintMode(mode)
+ << " of " << Pkg << " as its mode (" << PrintMode(P.Mode)
+ << ") is protected" << std::endl;
+ return false;
+ }
+ // enforce dpkg holds
+ else if (mode != ModeKeep && Pkg->SelectedState == pkgCache::State::Hold &&
+ _config->FindB("APT::Ignore-Hold",false) == false)
+ {
+ if (unlikely(DebugMarker == true) && P.Mode != mode)
+ std::clog << OutputInDepth(Depth) << "Hold prevents Mark" << PrintMode(mode)
+ << " of " << Pkg << std::endl;
+ return false;
+ }
+
projects / apt.git / blobdiff