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-rw-r--r--apt-pkg/depcache.cc130
1 files changed, 71 insertions, 59 deletions
diff --git a/apt-pkg/depcache.cc b/apt-pkg/depcache.cc
index fba6ad054..46fbc9e58 100644
--- a/apt-pkg/depcache.cc
+++ b/apt-pkg/depcache.cc
@@ -819,8 +819,7 @@ void pkgDepCache::Update(PkgIterator const &Pkg)
void pkgDepCache::MarkKeep(PkgIterator const &Pkg, bool Soft, bool FromUser,
unsigned long Depth)
{
- // Simplifies other routines.
- if (Pkg.end() == true)
+ if (IsModeChangeOk(ModeKeep, Pkg, Depth, FromUser) == false)
return;
/* Reject an attempt to keep a non-source broken installed package, those
@@ -828,25 +827,22 @@ void pkgDepCache::MarkKeep(PkgIterator const &Pkg, bool Soft, bool FromUser,
if (Pkg.State() == PkgIterator::NeedsUnpack &&
Pkg.CurrentVer().Downloadable() == false)
return;
-
- /** \todo Can this be moved later in the method? */
- ActionGroup group(*this);
/* We changed the soft state all the time so the UI is a bit nicer
to use */
StateCache &P = PkgState[Pkg->ID];
+
+ // Check that it is not already kept
+ if (P.Mode == ModeKeep)
+ return;
+
if (Soft == true)
P.iFlags |= AutoKept;
else
P.iFlags &= ~AutoKept;
-
- // Check that it is not already kept
- if (P.Mode == ModeKeep)
- return;
- // We dont even try to keep virtual packages..
- if (Pkg->VersionList == 0)
- return;
+ ActionGroup group(*this);
+
#if 0 // reseting the autoflag here means we lose the
// auto-mark information if a user selects a package for removal
// but changes his mind then and sets it for keep again
@@ -883,30 +879,26 @@ void pkgDepCache::MarkKeep(PkgIterator const &Pkg, bool Soft, bool FromUser,
void pkgDepCache::MarkDelete(PkgIterator const &Pkg, bool rPurge,
unsigned long Depth, bool FromUser)
{
- // Simplifies other routines.
- if (Pkg.end() == true)
+ if (IsModeChangeOk(ModeDelete, Pkg, Depth, FromUser) == false)
return;
- ActionGroup group(*this);
+ StateCache &P = PkgState[Pkg->ID];
// Check that it is not already marked for delete
- StateCache &P = PkgState[Pkg->ID];
- P.iFlags &= ~(AutoKept | Purge);
- if (rPurge == true)
- P.iFlags |= Purge;
-
if ((P.Mode == ModeDelete || P.InstallVer == 0) &&
(Pkg.Purge() == true || rPurge == false))
return;
-
- // We dont even try to delete virtual packages..
- if (Pkg->VersionList == 0)
- return;
- // check if we are allowed to install the package
+ // check if we are allowed to remove the package
if (IsDeleteOk(Pkg,rPurge,Depth,FromUser) == false)
return;
+ P.iFlags &= ~(AutoKept | Purge);
+ if (rPurge == true)
+ P.iFlags |= Purge;
+
+ ActionGroup group(*this);
+
if (DebugMarker == true)
std::clog << OutputInDepth(Depth) << (rPurge ? "MarkPurge " : "MarkDelete ") << Pkg << " FU=" << FromUser << std::endl;
@@ -927,19 +919,12 @@ void pkgDepCache::MarkDelete(PkgIterator const &Pkg, bool rPurge,
/*}}}*/
// DepCache::IsDeleteOk - check if it is ok to remove this package /*{{{*/
// ---------------------------------------------------------------------
-/* The default implementation just honors dpkg hold
- But an application using this library can override this method
- to control the MarkDelete behaviour */
+/* The default implementation tries to prevent deletion of install requests.
+ dpkg holds are enforced by the private IsModeChangeOk */
bool pkgDepCache::IsDeleteOk(PkgIterator const &Pkg,bool rPurge,
unsigned long Depth, bool FromUser)
{
- if (FromUser == false && Pkg->SelectedState == pkgCache::State::Hold && _config->FindB("APT::Ignore-Hold",false) == false)
- {
- if (DebugMarker == true)
- std::clog << OutputInDepth(Depth) << "Hold prevents MarkDelete of " << Pkg << " FU=" << FromUser << std::endl;
- return false;
- }
- else if (FromUser == false && Pkg->CurrentVer == 0)
+ if (FromUser == false && Pkg->CurrentVer == 0)
{
StateCache &P = PkgState[Pkg->ID];
if (P.InstallVer != 0 && P.Status == 2 && (P.Flags & Flag::Auto) != Flag::Auto)
@@ -952,6 +937,46 @@ bool pkgDepCache::IsDeleteOk(PkgIterator const &Pkg,bool rPurge,
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;
+
+ // enforce dpkg holds
+ if (FromUser == false && mode != ModeKeep && Pkg->SelectedState == pkgCache::State::Hold &&
+ _config->FindB("APT::Ignore-Hold",false) == false)
+ {
+ if (unlikely(DebugMarker == true) && PkgState[Pkg->ID].Mode != mode)
+ std::clog << OutputInDepth(Depth) << "Hold prevents Mark" << PrintMode(mode)
+ << " of " << Pkg << std::endl;
+ return false;
+ }
+
+ return true;
+}
+ /*}}}*/
// DepCache::MarkInstall - Put the package in the install state /*{{{*/
// ---------------------------------------------------------------------
/* */
@@ -959,19 +984,17 @@ void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst,
unsigned long Depth, bool FromUser,
bool ForceImportantDeps)
{
- if (Depth > 100)
+ if (IsModeChangeOk(ModeInstall, Pkg, Depth, FromUser) == false)
return;
-
- // Simplifies other routines.
- if (Pkg.end() == true)
+
+ StateCache &P = PkgState[Pkg->ID];
+
+ // See if there is even any possible instalation candidate
+ if (P.CandidateVer == 0)
return;
-
- ActionGroup group(*this);
/* Check that it is not already marked for install and that it can be
installed */
- StateCache &P = PkgState[Pkg->ID];
- P.iFlags &= ~AutoKept;
if ((P.InstPolicyBroken() == false && P.InstBroken() == false) &&
(P.Mode == ModeInstall ||
P.CandidateVer == (Version *)Pkg.CurrentVer()))
@@ -981,17 +1004,13 @@ void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst,
return;
}
- // See if there is even any possible instalation candidate
- if (P.CandidateVer == 0)
- return;
- // We dont even try to install virtual packages..
- if (Pkg->VersionList == 0)
- return;
-
// check if we are allowed to install the package
if (IsInstallOk(Pkg,AutoInst,Depth,FromUser) == false)
return;
+ ActionGroup group(*this);
+ P.iFlags &= ~AutoKept;
+
/* Target the candidate version and remove the autoflag. We reset the
autoflag below if this was called recursively. Otherwise the user
should have the ability to de-auto a package by changing its state */
@@ -1204,18 +1223,11 @@ void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst,
/*}}}*/
// DepCache::IsInstallOk - check if it is ok to install this package /*{{{*/
// ---------------------------------------------------------------------
-/* The default implementation just honors dpkg hold
- But an application using this library can override this method
- to control the MarkInstall behaviour */
+/* The default implementation does nothing.
+ dpkg holds are enforced by the private IsModeChangeOk */
bool pkgDepCache::IsInstallOk(PkgIterator const &Pkg,bool AutoInst,
unsigned long Depth, bool FromUser)
{
- if (FromUser == false && Pkg->SelectedState == pkgCache::State::Hold && _config->FindB("APT::Ignore-Hold",false) == false)
- {
- if (DebugMarker == true)
- std::clog << OutputInDepth(Depth) << "Hold prevents MarkInstall of " << Pkg << " FU=" << FromUser << std::endl;
- return false;
- }
return true;
}
/*}}}*/
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