Arch() on a MultiArch:all version should return "all" to be compatible

[apt.git] / apt-pkg / depcache.h

diff --git a/apt-pkg/depcache.h b/apt-pkg/depcache.h
index 7adf6fe7fa95bca222833f0742a53abd45b87037..63cd954adfe89305bd952fa45e9c0582fb8f80b1 100644 (file)
--- a/apt-pkg/depcache.h
+++ b/apt-pkg/depcache.h
@@ -46,6 +46,7 @@
 
 #include <vector>
 #include <memory>
+#include <set>
 
 class pkgDepCache : protected pkgCache::Namespace
 {
@@ -92,7 +93,7 @@ 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);
 
@@ -103,7 +104,7 @@ 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();
 
@@ -294,7 +295,10 @@ class pkgDepCache : protected pkgCache::Namespace
    unsigned long iBrokenCount;
    unsigned long iPolicyBrokenCount;
    unsigned long iBadCount;
-   
+
+   bool DebugMarker;
+   bool DebugAutoInstall;
+
    Policy *delLocalPolicy;           // For memory clean up..
    Policy *LocalPolicy;
    
@@ -387,20 +391,57 @@ 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);
 
    /** 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);
@@ -417,9 +458,15 @@ 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<unsigned long> &recheck);
 };
 
 #endif