From c176c4d0adad246ac0768f9e2b60aa8e4c56fffb Mon Sep 17 00:00:00 2001 From: David Kalnischkies Date: Sun, 14 Mar 2010 21:48:14 +0100 Subject: * apt-pkg/depcache.cc: - remove Auto-Installed information from extended_states together with the package itself (Closes: #572364) --- apt-pkg/depcache.cc | 31 ++++++++++++++++++++++++------- apt-pkg/depcache.h | 2 +- apt-pkg/tagfile.cc | 13 ++----------- apt-pkg/tagfile.h | 15 ++++++++++++++- 4 files changed, 41 insertions(+), 20 deletions(-) (limited to 'apt-pkg') diff --git a/apt-pkg/depcache.cc b/apt-pkg/depcache.cc index 5943d858a..e9fb5f76a 100644 --- a/apt-pkg/depcache.cc +++ b/apt-pkg/depcache.cc @@ -235,16 +235,30 @@ bool pkgDepCache::writeStateFile(OpProgress *prog, bool InstalledOnly) /*{{{*/ std::set pkgs_seen; const char *nullreorderlist[] = {0}; while(tagfile.Step(section)) { - string pkgname = section.FindS("Package"); + string const pkgname = section.FindS("Package"); // Silently ignore unknown packages and packages with no actual // version. pkgCache::PkgIterator pkg=Cache->FindPkg(pkgname); if(pkg.end() || pkg.VersionList().end()) continue; - bool newAuto = (PkgState[pkg->ID].Flags & Flag::Auto); + StateCache const &P = PkgState[pkg->ID]; + bool newAuto = (P.Flags & Flag::Auto); + // skip not installed or now-removed ones if requested + if (InstalledOnly && ( + (pkg->CurrentVer == 0 && P.Mode != ModeInstall) || + (pkg->CurrentVer != 0 && P.Mode == ModeDelete))) + { + // The section is obsolete if it contains no other tag + unsigned int const count = section.Count(); + if (count < 2 || + (count == 2 && section.Exists("Auto-Installed"))) + continue; + else + newAuto = false; + } if(_config->FindB("Debug::pkgAutoRemove",false)) std::clog << "Update existing AutoInstall info: " - << pkg.Name() << std::endl; + << pkgname << std::endl; TFRewriteData rewrite[2]; rewrite[0].Tag = "Auto-Installed"; rewrite[0].Rewrite = newAuto ? "1" : "0"; @@ -258,15 +272,18 @@ bool pkgDepCache::writeStateFile(OpProgress *prog, bool InstalledOnly) /*{{{*/ // then write the ones we have not seen yet std::ostringstream ostr; for(pkgCache::PkgIterator pkg=Cache->PkgBegin(); !pkg.end(); pkg++) { - if(PkgState[pkg->ID].Flags & Flag::Auto) { + StateCache const &P = PkgState[pkg->ID]; + if(P.Flags & Flag::Auto) { if (pkgs_seen.find(pkg.Name()) != pkgs_seen.end()) { 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; + // skip not installed ones if requested + if (InstalledOnly && ( + (pkg->CurrentVer == 0 && P.Mode != ModeInstall) || + (pkg->CurrentVer != 0 && P.Mode == ModeDelete))) + continue; if(debug_autoremove) std::clog << "Writing new AutoInstall: " << pkg.Name() << std::endl; diff --git a/apt-pkg/depcache.h b/apt-pkg/depcache.h index 0306861a1..fd1f202be 100644 --- a/apt-pkg/depcache.h +++ b/apt-pkg/depcache.h @@ -447,7 +447,7 @@ class pkgDepCache : protected pkgCache::Namespace // read persistent states bool readStateFile(OpProgress *prog); - bool writeStateFile(OpProgress *prog, bool InstalledOnly=false); + bool writeStateFile(OpProgress *prog, bool InstalledOnly=true); // Size queries inline double UsrSize() {return iUsrSize;}; diff --git a/apt-pkg/tagfile.cc b/apt-pkg/tagfile.cc index 7c5d15a58..0d4999ee7 100644 --- a/apt-pkg/tagfile.cc +++ b/apt-pkg/tagfile.cc @@ -193,17 +193,8 @@ bool pkgTagFile::Jump(pkgTagSection &Tag,unsigned long Offset) /*}}}*/ // TagSection::Scan - Scan for the end of the header information /*{{{*/ // --------------------------------------------------------------------- -/* This looks for the first double new line in the data stream. It also - indexes the tags in the section. This very simple hash function for the - last 8 letters gives very good performance on the debian package files */ -inline static unsigned long AlphaHash(const char *Text, const char *End = 0) -{ - unsigned long Res = 0; - for (; Text != End && *Text != ':' && *Text != 0; Text++) - Res = ((unsigned long)(*Text) & 0xDF) ^ (Res << 1); - return Res & 0xFF; -} - +/* This looks for the first double new line in the data stream. + It also indexes the tags in the section. */ bool pkgTagSection::Scan(const char *Start,unsigned long MaxLength) { const char *End = Start + MaxLength; diff --git a/apt-pkg/tagfile.h b/apt-pkg/tagfile.h index 321329a23..f63a51d07 100644 --- a/apt-pkg/tagfile.h +++ b/apt-pkg/tagfile.h @@ -33,7 +33,18 @@ class pkgTagSection unsigned int AlphaIndexes[0x100]; unsigned int TagCount; - + + /* This very simple hash function for the last 8 letters gives + very good performance on the debian package files */ + inline static unsigned long AlphaHash(const char *Text, const char *End = 0) + { + unsigned long Res = 0; + for (; Text != End && *Text != ':' && *Text != 0; Text++) + Res = ((unsigned long)(*Text) & 0xDF) ^ (Res << 1); + return Res & 0xFF; + } + + protected: const char *Stop; @@ -54,6 +65,8 @@ class pkgTagSection virtual void TrimRecord(bool BeforeRecord, const char* &End); inline unsigned int Count() const {return TagCount;}; + inline bool Exists(const char* const Tag) {return AlphaIndexes[AlphaHash(Tag)] != 0;} + inline void Get(const char *&Start,const char *&Stop,unsigned int I) const {Start = Section + Indexes[I]; Stop = Section + Indexes[I+1];} -- cgit v1.2.3