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authorMichael Vogt <michael.vogt@ubuntu.com>2009-07-30 17:34:48 +0200
committerMichael Vogt <michael.vogt@ubuntu.com>2009-07-30 17:34:48 +0200
commit55fb35e87a1ff550cbb3010c5a03064f0a2b10be (patch)
tree6ecb92eb145eefbb0c4a6dc6a869d9e21ba10b55 /apt-pkg/depcache.cc
parentadbce12126ccc58016af69d541bafad5c8bde631 (diff)
parentd5752e18bed18c706c93f5c43c61016c72132ede (diff)
merged from debian
Diffstat (limited to 'apt-pkg/depcache.cc')
-rw-r--r--apt-pkg/depcache.cc178
1 files changed, 117 insertions, 61 deletions
diff --git a/apt-pkg/depcache.cc b/apt-pkg/depcache.cc
index 8584419e1..13abbe5ed 100644
--- a/apt-pkg/depcache.cc
+++ b/apt-pkg/depcache.cc
@@ -15,6 +15,7 @@
#include <apt-pkg/algorithms.h>
#include <apt-pkg/fileutl.h>
+#include <apt-pkg/strutl.h>
#include <apt-pkg/configuration.h>
#include <apt-pkg/pkgsystem.h>
#include <apt-pkg/tagfile.h>
@@ -26,8 +27,8 @@
#include <sys/stat.h>
#include <apti18n.h>
-
-// helper for Install-Recommends-Sections and Never-MarkAuto-Sections
+ /*}}}*/
+// helper for Install-Recommends-Sections and Never-MarkAuto-Sections /*{{{*/
static bool
ConfigValueInSubTree(const char* SubTree, const char *needle)
{
@@ -46,9 +47,8 @@ ConfigValueInSubTree(const char* SubTree, const char *needle)
}
return false;
}
-
-
-pkgDepCache::ActionGroup::ActionGroup(pkgDepCache &cache) :
+ /*}}}*/
+pkgDepCache::ActionGroup::ActionGroup(pkgDepCache &cache) : /*{{{*/
cache(cache), released(false)
{
++cache.group_level;
@@ -76,13 +76,15 @@ pkgDepCache::ActionGroup::~ActionGroup()
{
release();
}
-
+ /*}}}*/
// DepCache::pkgDepCache - Constructors /*{{{*/
// ---------------------------------------------------------------------
/* */
pkgDepCache::pkgDepCache(pkgCache *pCache,Policy *Plcy) :
group_level(0), Cache(pCache), PkgState(0), DepState(0)
{
+ DebugMarker = _config->FindB("Debug::pkgDepCache::Marker", false);
+ DebugAutoInstall = _config->FindB("Debug::pkgDepCache::AutoInstall", false);
delLocalPolicy = 0;
LocalPolicy = Plcy;
if (LocalPolicy == 0)
@@ -127,7 +129,7 @@ bool pkgDepCache::Init(OpProgress *Prog)
int Done = 0;
for (PkgIterator I = PkgBegin(); I.end() != true; I++,Done++)
{
- if (Prog != 0)
+ if (Prog != 0 && Done%20 == 0)
Prog->Progress(Done);
// Find the proper cache slot
@@ -159,8 +161,7 @@ bool pkgDepCache::Init(OpProgress *Prog)
return true;
}
/*}}}*/
-
-bool pkgDepCache::readStateFile(OpProgress *Prog)
+bool pkgDepCache::readStateFile(OpProgress *Prog) /*{{{*/
{
FileFd state_file;
string state = _config->FindDir("Dir::State") + "extended_states";
@@ -174,6 +175,7 @@ bool pkgDepCache::readStateFile(OpProgress *Prog)
pkgTagFile tagfile(&state_file);
pkgTagSection section;
int amt=0;
+ bool debug_autoremove=_config->FindB("Debug::pkgAutoRemove",false);
while(tagfile.Step(section)) {
string pkgname = section.FindS("Package");
pkgCache::PkgIterator pkg=Cache->FindPkg(pkgname);
@@ -183,7 +185,7 @@ bool pkgDepCache::readStateFile(OpProgress *Prog)
short reason = section.FindI("Auto-Installed", 0);
if(reason > 0)
PkgState[pkg->ID].Flags |= Flag::Auto;
- if(_config->FindB("Debug::pkgAutoRemove",false))
+ if(debug_autoremove)
std::cout << "Auto-Installed : " << pkgname << std::endl;
amt+=section.size();
if(Prog != NULL)
@@ -198,10 +200,12 @@ bool pkgDepCache::readStateFile(OpProgress *Prog)
return true;
}
-
-bool pkgDepCache::writeStateFile(OpProgress *prog, bool InstalledOnly)
+ /*}}}*/
+bool pkgDepCache::writeStateFile(OpProgress *prog, bool InstalledOnly) /*{{{*/
{
- if(_config->FindB("Debug::pkgAutoRemove",false))
+ bool debug_autoremove = _config->FindB("Debug::pkgAutoRemove",false);
+
+ if(debug_autoremove)
std::clog << "pkgDepCache::writeStateFile()" << std::endl;
FileFd StateFile;
@@ -256,14 +260,14 @@ bool pkgDepCache::writeStateFile(OpProgress *prog, bool InstalledOnly)
for(pkgCache::PkgIterator pkg=Cache->PkgBegin(); !pkg.end(); pkg++) {
if(PkgState[pkg->ID].Flags & Flag::Auto) {
if (pkgs_seen.find(pkg.Name()) != pkgs_seen.end()) {
- if(_config->FindB("Debug::pkgAutoRemove",false))
+ if(debug_autoremove)
std::clog << "Skipping already written " << pkg.Name() << std::endl;
continue;
}
// skip not installed ones if requested
if(InstalledOnly && pkg->CurrentVer == 0)
continue;
- if(_config->FindB("Debug::pkgAutoRemove",false))
+ if(debug_autoremove)
std::clog << "Writing new AutoInstall: "
<< pkg.Name() << std::endl;
ostr.str(string(""));
@@ -281,7 +285,7 @@ bool pkgDepCache::writeStateFile(OpProgress *prog, bool InstalledOnly)
return true;
}
-
+ /*}}}*/
// DepCache::CheckDep - Checks a single dependency /*{{{*/
// ---------------------------------------------------------------------
/* This first checks the dependency against the main target package and
@@ -699,13 +703,12 @@ void pkgDepCache::Update(PkgIterator const &Pkg)
P.end() != true; P++)
Update(P.ParentPkg().RevDependsList());
}
-
/*}}}*/
-
// DepCache::MarkKeep - Put the package in the keep state /*{{{*/
// ---------------------------------------------------------------------
/* */
-void pkgDepCache::MarkKeep(PkgIterator const &Pkg, bool Soft, bool FromUser)
+void pkgDepCache::MarkKeep(PkgIterator const &Pkg, bool Soft, bool FromUser,
+ unsigned long Depth)
{
// Simplifies other routines.
if (Pkg.end() == true)
@@ -746,6 +749,9 @@ void pkgDepCache::MarkKeep(PkgIterator const &Pkg, bool Soft, bool FromUser)
P.Flags &= ~Flag::Auto;
#endif
+ if (DebugMarker == true)
+ std::clog << OutputInDepth(Depth) << "MarkKeep " << Pkg << " FU=" << FromUser << std::endl;
+
RemoveSizes(Pkg);
RemoveStates(Pkg);
@@ -765,7 +771,8 @@ void pkgDepCache::MarkKeep(PkgIterator const &Pkg, bool Soft, bool FromUser)
// DepCache::MarkDelete - Put the package in the delete state /*{{{*/
// ---------------------------------------------------------------------
/* */
-void pkgDepCache::MarkDelete(PkgIterator const &Pkg, bool rPurge)
+void pkgDepCache::MarkDelete(PkgIterator const &Pkg, bool rPurge,
+ unsigned long Depth, bool FromUser)
{
// Simplifies other routines.
if (Pkg.end() == true)
@@ -787,6 +794,13 @@ void pkgDepCache::MarkDelete(PkgIterator const &Pkg, bool rPurge)
if (Pkg->VersionList == 0)
return;
+ // check if we are allowed to install the package
+ if (IsDeleteOk(Pkg,rPurge,Depth,FromUser) == false)
+ return;
+
+ if (DebugMarker == true)
+ std::clog << OutputInDepth(Depth) << "MarkDelete " << Pkg << " FU=" << FromUser << std::endl;
+
RemoveSizes(Pkg);
RemoveStates(Pkg);
@@ -801,6 +815,23 @@ void pkgDepCache::MarkDelete(PkgIterator const &Pkg, bool rPurge)
AddSizes(Pkg);
}
/*}}}*/
+// 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 */
+bool pkgDepCache::IsDeleteOk(PkgIterator const &Pkg,bool rPurge,
+ unsigned long Depth, bool FromUser)
+{
+ if (FromUser == false && Pkg->SelectedState == pkgCache::State::Hold)
+ {
+ if (DebugMarker == true)
+ std::clog << OutputInDepth(Depth) << "Hold prevents MarkDelete of " << Pkg << " FU=" << FromUser << std::endl;
+ return false;
+ }
+ return true;
+}
+ /*}}}*/
// DepCache::MarkInstall - Put the package in the install state /*{{{*/
// ---------------------------------------------------------------------
/* */
@@ -826,7 +857,7 @@ void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst,
P.CandidateVer == (Version *)Pkg.CurrentVer()))
{
if (P.CandidateVer == (Version *)Pkg.CurrentVer() && P.InstallVer == 0)
- MarkKeep(Pkg, false, FromUser);
+ MarkKeep(Pkg, false, FromUser, Depth+1);
return;
}
@@ -836,6 +867,11 @@ void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst,
// 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;
+
/* 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 */
@@ -864,10 +900,13 @@ void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst,
AddStates(Pkg);
Update(Pkg);
AddSizes(Pkg);
-
+
if (AutoInst == false)
return;
+ if (DebugMarker == true)
+ std::clog << OutputInDepth(Depth) << "MarkInstall " << Pkg << " FU=" << FromUser << std::endl;
+
DepIterator Dep = P.InstVerIter(*this).DependsList();
for (; Dep.end() != true;)
{
@@ -937,12 +976,12 @@ void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst,
}
}
if(isNewImportantDep)
- if(_config->FindB("Debug::pkgDepCache::AutoInstall",false) == true)
- std::clog << "new important dependency: "
+ if(DebugAutoInstall == true)
+ std::clog << OutputInDepth(Depth) << "new important dependency: "
<< Start.TargetPkg().Name() << std::endl;
if(isPreviouslySatisfiedImportantDep)
- if(_config->FindB("Debug::pkgDepCache::AutoInstall", false) == true)
- std::clog << "previously satisfied important dependency on "
+ if(DebugAutoInstall == true)
+ std::clog << OutputInDepth(Depth) << "previously satisfied important dependency on "
<< Start.TargetPkg().Name() << std::endl;
// skip important deps if the package is already installed
@@ -991,17 +1030,18 @@ void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst,
}
}
- if (InstPkg.end() == false)
+ if (InstPkg.end() == false)
{
- if(_config->FindB("Debug::pkgDepCache::AutoInstall",false) == true)
- std::clog << "Installing " << InstPkg.Name()
- << " as dep of " << Pkg.Name()
+ if(DebugAutoInstall == true)
+ std::clog << OutputInDepth(Depth) << "Installing " << InstPkg.Name()
+ << " as " << Start.DepType() << " of " << Pkg.Name()
<< std::endl;
// now check if we should consider it a automatic dependency or not
if(Pkg.Section() && ConfigValueInSubTree("APT::Never-MarkAuto-Sections", Pkg.Section()))
{
- if(_config->FindB("Debug::pkgDepCache::AutoInstall",false) == true)
- std::clog << "Setting NOT as auto-installed (direct dep of pkg in APT::Never-MarkAuto-Sections)" << std::endl;
+ if(DebugAutoInstall == true)
+ std::clog << OutputInDepth(Depth) << "Setting NOT as auto-installed (direct "
+ << Start.DepType() << " of pkg in APT::Never-MarkAuto-Sections)" << std::endl;
MarkInstall(InstPkg,true,Depth + 1, true);
}
else
@@ -1028,16 +1068,32 @@ void pkgDepCache::MarkInstall(PkgIterator const &Pkg,bool AutoInst,
PkgIterator Pkg = Ver.ParentPkg();
if (Start->Type != Dep::DpkgBreaks)
- MarkDelete(Pkg);
- else
- if (PkgState[Pkg->ID].CandidateVer != *I)
- MarkInstall(Pkg,true,Depth + 1, false, ForceImportantDeps);
+ MarkDelete(Pkg,false,Depth + 1, false);
+ else if (PkgState[Pkg->ID].CandidateVer != *I)
+ MarkInstall(Pkg,true,Depth + 1, false, ForceImportantDeps);
}
continue;
}
}
}
/*}}}*/
+// 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 */
+bool pkgDepCache::IsInstallOk(PkgIterator const &Pkg,bool AutoInst,
+ unsigned long Depth, bool FromUser)
+{
+ if (FromUser == false && Pkg->SelectedState == pkgCache::State::Hold)
+ {
+ if (DebugMarker == true)
+ std::clog << OutputInDepth(Depth) << "Hold prevents MarkInstall of " << Pkg << " FU=" << FromUser << std::endl;
+ return false;
+ }
+ return true;
+}
+ /*}}}*/
// DepCache::SetReInstall - Set the reinstallation flag /*{{{*/
// ---------------------------------------------------------------------
/* */
@@ -1137,7 +1193,6 @@ const char *pkgDepCache::StateCache::StripEpoch(const char *Ver)
return Ver;
}
/*}}}*/
-
// Policy::GetCandidateVer - Returns the Candidate install version /*{{{*/
// ---------------------------------------------------------------------
/* The default just returns the highest available version that is not
@@ -1174,7 +1229,6 @@ pkgCache::VerIterator pkgDepCache::Policy::GetCandidateVer(PkgIterator Pkg)
return Last;
}
/*}}}*/
-
// Policy::IsImportantDep - True if the dependency is important /*{{{*/
// ---------------------------------------------------------------------
/* */
@@ -1200,8 +1254,7 @@ bool pkgDepCache::Policy::IsImportantDep(DepIterator Dep)
return false;
}
/*}}}*/
-
-pkgDepCache::DefaultRootSetFunc::DefaultRootSetFunc()
+pkgDepCache::DefaultRootSetFunc::DefaultRootSetFunc() /*{{{*/
: constructedSuccessfully(false)
{
Configuration::Item const *Opts;
@@ -1230,8 +1283,8 @@ pkgDepCache::DefaultRootSetFunc::DefaultRootSetFunc()
constructedSuccessfully = true;
}
-
-pkgDepCache::DefaultRootSetFunc::~DefaultRootSetFunc()
+ /*}}}*/
+pkgDepCache::DefaultRootSetFunc::~DefaultRootSetFunc() /*{{{*/
{
for(unsigned int i = 0; i < rootSetRegexp.size(); i++)
{
@@ -1239,9 +1292,8 @@ pkgDepCache::DefaultRootSetFunc::~DefaultRootSetFunc()
delete rootSetRegexp[i];
}
}
-
-
-bool pkgDepCache::DefaultRootSetFunc::InRootSet(const pkgCache::PkgIterator &pkg)
+ /*}}}*/
+bool pkgDepCache::DefaultRootSetFunc::InRootSet(const pkgCache::PkgIterator &pkg) /*{{{*/
{
for(unsigned int i = 0; i < rootSetRegexp.size(); i++)
if (regexec(rootSetRegexp[i], pkg.Name(), 0, 0, 0) == 0)
@@ -1249,8 +1301,8 @@ bool pkgDepCache::DefaultRootSetFunc::InRootSet(const pkgCache::PkgIterator &pkg
return false;
}
-
-pkgDepCache::InRootSetFunc *pkgDepCache::GetRootSetFunc()
+ /*}}}*/
+pkgDepCache::InRootSetFunc *pkgDepCache::GetRootSetFunc() /*{{{*/
{
DefaultRootSetFunc *f = new DefaultRootSetFunc;
if(f->wasConstructedSuccessfully())
@@ -1261,7 +1313,7 @@ pkgDepCache::InRootSetFunc *pkgDepCache::GetRootSetFunc()
return NULL;
}
}
-
+ /*}}}*/
bool pkgDepCache::MarkFollowsRecommends()
{
return _config->FindB("APT::AutoRemove::RecommendsImportant", true);
@@ -1272,11 +1324,12 @@ bool pkgDepCache::MarkFollowsSuggests()
return _config->FindB("APT::AutoRemove::SuggestsImportant", false);
}
-// the main mark algorithm
+// pkgDepCache::MarkRequired - the main mark algorithm /*{{{*/
bool pkgDepCache::MarkRequired(InRootSetFunc &userFunc)
{
bool follow_recommends;
bool follow_suggests;
+ bool debug_autoremove = _config->FindB("Debug::pkgAutoRemove",false);
// init the states
for(PkgIterator p = PkgBegin(); !p.end(); ++p)
@@ -1285,8 +1338,7 @@ bool pkgDepCache::MarkRequired(InRootSetFunc &userFunc)
PkgState[p->ID].Garbage = false;
// debug output
- if(_config->FindB("Debug::pkgAutoRemove",false)
- && PkgState[p->ID].Flags & Flag::Auto)
+ if(debug_autoremove && PkgState[p->ID].Flags & Flag::Auto)
std::clog << "AutoDep: " << p.Name() << std::endl;
}
@@ -1317,8 +1369,8 @@ bool pkgDepCache::MarkRequired(InRootSetFunc &userFunc)
return true;
}
-
-// mark a single package in Mark-and-Sweep
+ /*}}}*/
+// MarkPackage - mark a single package in Mark-and-Sweep /*{{{*/
void pkgDepCache::MarkPackage(const pkgCache::PkgIterator &pkg,
const pkgCache::VerIterator &ver,
bool follow_recommends,
@@ -1357,7 +1409,9 @@ void pkgDepCache::MarkPackage(const pkgCache::PkgIterator &pkg,
if(state.Marked)
return;
- if(_config->FindB("Debug::pkgAutoRemove",false))
+ bool debug_autoremove = _config->FindB("Debug::pkgAutoRemove", false);
+
+ if(debug_autoremove)
{
std::clog << "Marking: " << pkg.Name();
if(!ver.end())
@@ -1388,7 +1442,7 @@ void pkgDepCache::MarkPackage(const pkgCache::PkgIterator &pkg,
{
if(_system->VS->CheckDep(V.VerStr(), d->CompareOp, d.TargetVer()))
{
- if(_config->FindB("Debug::pkgAutoRemove",false))
+ if(debug_autoremove)
{
std::clog << "Following dep: " << d.ParentPkg().Name()
<< " " << d.ParentVer().VerStr() << " "
@@ -1412,7 +1466,7 @@ void pkgDepCache::MarkPackage(const pkgCache::PkgIterator &pkg,
if(_system->VS->CheckDep(prv.ProvideVersion(), d->CompareOp,
d.TargetVer()))
{
- if(_config->FindB("Debug::pkgAutoRemove",false))
+ if(debug_autoremove)
{
std::clog << "Following dep: " << d.ParentPkg().Name()
<< " " << d.ParentVer().VerStr() << " "
@@ -1437,12 +1491,14 @@ void pkgDepCache::MarkPackage(const pkgCache::PkgIterator &pkg,
}
}
}
-
-bool pkgDepCache::Sweep()
+ /*}}}*/
+bool pkgDepCache::Sweep() /*{{{*/
{
+ bool debug_autoremove = _config->FindB("Debug::pkgAutoRemove",false);
+
// do the sweep
for(PkgIterator p=PkgBegin(); !p.end(); ++p)
- {
+ {
StateCache &state=PkgState[p->ID];
// skip required packages
@@ -1454,11 +1510,11 @@ bool pkgDepCache::Sweep()
if(!state.Marked && (!p.CurrentVer().end() || state.Install()))
{
state.Garbage=true;
- if(_config->FindB("Debug::pkgAutoRemove",false))
+ if(debug_autoremove)
std::cout << "Garbage: " << p.Name() << std::endl;
}
}
return true;
}
-
+ /*}}}*/