X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/8171c75b9939a13aa22a3f45d436a6305af561ff..3c54407f8783d5e27363eabf41dbc3d031526ffe:/apt-pkg/depcache.h diff --git a/apt-pkg/depcache.h b/apt-pkg/depcache.h index b2bcfb58a..dba3e22dc 100644 --- a/apt-pkg/depcache.h +++ b/apt-pkg/depcache.h @@ -38,13 +38,14 @@ #ifndef PKGLIB_DEPCACHE_H #define PKGLIB_DEPCACHE_H - +#include #include #include - -#include +#include #include +#include +#include class pkgDepCache : protected pkgCache::Namespace { @@ -77,8 +78,8 @@ class pkgDepCache : protected pkgCache::Namespace */ void MarkPackage(const pkgCache::PkgIterator &pkg, const pkgCache::VerIterator &ver, - bool follow_recommends, - bool follow_suggests); + bool const &follow_recommends, + bool const &follow_suggests); /** \brief Update the Marked field of all packages. * @@ -91,7 +92,7 @@ class pkgDepCache : protected pkgCache::Namespace * \param rootFunc A callback that can be used to add extra * packages to the root set. * - * \return \b false if an error occured. + * \return \b false if an error occurred. */ bool MarkRequired(InRootSetFunc &rootFunc); @@ -102,7 +103,7 @@ class pkgDepCache : protected pkgCache::Namespace * are tested to see whether they are actually garbage. If so, * they are marked as such. * - * \return \b false if an error occured. + * \return \b false if an error occurred. */ bool Sweep(); @@ -182,22 +183,13 @@ class pkgDepCache : protected pkgCache::Namespace /** \brief Returns \b true for packages matching a regular * expression in APT::NeverAutoRemove. */ - class DefaultRootSetFunc : public InRootSetFunc + class DefaultRootSetFunc : public InRootSetFunc, public Configuration::MatchAgainstConfig { - std::vector rootSetRegexp; - bool constructedSuccessfully; - public: - DefaultRootSetFunc(); - ~DefaultRootSetFunc(); - - /** \return \b true if the class initialized successfully, \b - * false otherwise. Used to avoid throwing an exception, since - * APT classes generally don't. - */ - bool wasConstructedSuccessfully() const { return constructedSuccessfully; } + DefaultRootSetFunc() : Configuration::MatchAgainstConfig("APT::NeverAutoRemove") {}; + virtual ~DefaultRootSetFunc() {}; - bool InRootSet(const pkgCache::PkgIterator &pkg); + bool InRootSet(const pkgCache::PkgIterator &pkg) { return pkg.end() == false && Match(pkg.Name()); }; }; struct StateCache @@ -264,8 +256,8 @@ class pkgDepCache : protected pkgCache::Namespace { public: - virtual VerIterator GetCandidateVer(PkgIterator Pkg); - virtual bool IsImportantDep(DepIterator Dep); + virtual VerIterator GetCandidateVer(PkgIterator const &Pkg); + virtual bool IsImportantDep(DepIterator const &Dep); virtual ~Policy() {}; }; @@ -284,16 +276,21 @@ class pkgDepCache : protected pkgCache::Namespace pkgCache *Cache; StateCache *PkgState; unsigned char *DepState; - - double iUsrSize; - double iDownloadSize; + + /** Stores the space changes after installation */ + signed long long iUsrSize; + /** Stores how much we need to download to get the packages */ + unsigned long long iDownloadSize; unsigned long iInstCount; unsigned long iDelCount; unsigned long iKeepCount; unsigned long iBrokenCount; unsigned long iPolicyBrokenCount; unsigned long iBadCount; - + + bool DebugMarker; + bool DebugAutoInstall; + Policy *delLocalPolicy; // For memory clean up.. Policy *LocalPolicy; @@ -316,8 +313,9 @@ class pkgDepCache : protected pkgCache::Namespace void Update(PkgIterator const &P); // Count manipulators - void AddSizes(const PkgIterator &Pkg,signed long Mult = 1); - inline void RemoveSizes(const PkgIterator &Pkg) {AddSizes(Pkg,-1);}; + void AddSizes(const PkgIterator &Pkg, bool const &Invert = false); + inline void RemoveSizes(const PkgIterator &Pkg) {AddSizes(Pkg, true);}; + void AddSizes(const PkgIterator &Pkg,signed long Mult) __deprecated; void AddStates(const PkgIterator &Pkg,int Add = 1); inline void RemoveStates(const PkgIterator &Pkg) {AddStates(Pkg,-1);}; @@ -326,14 +324,17 @@ class pkgDepCache : protected pkgCache::Namespace // Legacy.. We look like a pkgCache inline operator pkgCache &() {return *Cache;}; inline Header &Head() {return *Cache->HeaderP;}; + inline GrpIterator GrpBegin() {return Cache->GrpBegin();}; inline PkgIterator PkgBegin() {return Cache->PkgBegin();}; + inline GrpIterator FindGrp(string const &Name) {return Cache->FindGrp(Name);}; inline PkgIterator FindPkg(string const &Name) {return Cache->FindPkg(Name);}; + inline PkgIterator FindPkg(string const &Name, string const &Arch) {return Cache->FindPkg(Name, Arch);}; inline pkgCache &GetCache() {return *Cache;}; inline pkgVersioningSystem &VS() {return *Cache->VS;}; // Policy implementation - inline VerIterator GetCandidateVer(PkgIterator Pkg) {return LocalPolicy->GetCandidateVer(Pkg);}; + inline VerIterator GetCandidateVer(PkgIterator const &Pkg) {return LocalPolicy->GetCandidateVer(Pkg);}; inline bool IsImportantDep(DepIterator Dep) {return LocalPolicy->IsImportantDep(Dep);}; inline Policy &GetPolicy() {return *LocalPolicy;}; @@ -386,28 +387,84 @@ class pkgDepCache : protected pkgCache::Namespace */ // @{ void MarkKeep(PkgIterator const &Pkg, bool Soft = false, - bool FromUser = true); - void MarkDelete(PkgIterator const &Pkg,bool Purge = false); + bool FromUser = true, unsigned long Depth = 0); + void MarkDelete(PkgIterator const &Pkg, bool Purge = false, + unsigned long Depth = 0, bool FromUser = true); void MarkInstall(PkgIterator const &Pkg,bool AutoInst = true, unsigned long Depth = 0, bool FromUser = true, bool ForceImportantDeps = false); + void SetReInstall(PkgIterator const &Pkg,bool To); - void SetCandidateVersion(VerIterator TargetVer); + void SetCandidateVersion(VerIterator TargetVer, bool const &Pseudo = true); + bool SetCandidateRelease(pkgCache::VerIterator TargetVer, + std::string const &TargetRel); + /** Set the candidate version for dependencies too if needed. + * + * Sets not only the candidate version as SetCandidateVersion does, + * but walks also down the dependency tree and checks if it is required + * to set the candidate of the dependency to a version from the given + * release, too. + * + * \param TargetVer new candidate version of the package + * \param TargetRel try to switch to this release if needed + * \param[out] Changed a list of pairs consisting of the \b old + * version of the changed package and the version which + * required the switch of this dependency + * \return \b true if the switch was successful, \b false otherwise + */ + bool SetCandidateRelease(pkgCache::VerIterator TargetVer, + std::string const &TargetRel, + std::list > &Changed); /** Set the "is automatically installed" flag of Pkg. */ void MarkAuto(const PkgIterator &Pkg, bool Auto); // @} - - // This is for debuging - void Update(OpProgress *Prog = 0); + + /** \return \b true if it's OK for MarkInstall to install + * the given package. + * + * See the default implementation for a simple example how this + * method can be used. + * Overriding implementations should use the hold-state-flag to cache + * results from previous checks of this package - also it should + * be used if the default resolver implementation is also used to + * ensure that these packages are handled like "normal" dpkg holds. + * + * The parameters are the same as in the calling MarkInstall: + * \param Pkg the package that MarkInstall wants to install. + * \param AutoInst needs a previous MarkInstall this package? + * \param Depth recursive deep of this Marker call + * \param FromUser was the install requested by the user? + */ + virtual bool IsInstallOk(const PkgIterator &Pkg,bool AutoInst = true, + unsigned long Depth = 0, bool FromUser = true); + + /** \return \b true if it's OK for MarkDelete to remove + * the given package. + * + * See the default implementation for a simple example how this + * method can be used. + * Overriding implementations should use the hold-state-flag to cache + * results from previous checks of this package - also it should + * be used if the default resolver implementation is also used to + * ensure that these packages are handled like "normal" dpkg holds. + * + * The parameters are the same as in the calling MarkDelete: + * \param Pkg the package that MarkDelete wants to remove. + * \param Purge should we purge instead of "only" remove? + * \param Depth recursive deep of this Marker call + * \param FromUser was the remove requested by the user? + */ + virtual bool IsDeleteOk(const PkgIterator &Pkg,bool Purge = false, + unsigned long Depth = 0, bool FromUser = true); // read persistent states bool readStateFile(OpProgress *prog); - bool writeStateFile(OpProgress *prog); + bool writeStateFile(OpProgress *prog, bool InstalledOnly=true); // Size queries - inline double UsrSize() {return iUsrSize;}; - inline double DebSize() {return iDownloadSize;}; + inline signed long long UsrSize() {return iUsrSize;}; + inline unsigned long long DebSize() {return iDownloadSize;}; inline unsigned long DelCount() {return iDelCount;}; inline unsigned long KeepCount() {return iKeepCount;}; inline unsigned long InstCount() {return iInstCount;}; @@ -416,9 +473,17 @@ class pkgDepCache : protected pkgCache::Namespace inline unsigned long BadCount() {return iBadCount;}; bool Init(OpProgress *Prog); - + // Generate all state information + void Update(OpProgress *Prog = 0); + pkgDepCache(pkgCache *Cache,Policy *Plcy = 0); virtual ~pkgDepCache(); + + private: + // Helper for Update(OpProgress) to remove pseudoinstalled arch all packages + bool RemovePseudoInstalledPkg(PkgIterator &Pkg, std::set &recheck); + bool ReInstallPseudoForGroup(unsigned long const &Grp, std::set &recheck); + bool ReInstallPseudoForGroup(pkgCache::PkgIterator const &P, std::set &recheck); }; #endif