From 2d103a9337e032cbd31a53cc7d73800c14feb5f5 Mon Sep 17 00:00:00 2001
From: Klaus Kaempf <kkaempf@suse.de>
Date: Fri, 3 Feb 2006 20:46:35 +0000
Subject: [PATCH] add 'whoOwnsFile' for "rpm -qf"

---
 zypp/target/TargetImpl.cc | 21 +++++++++++++++++++--
 zypp/target/TargetImpl.h  |  6 +++++-
 zypp/target/rpm/RpmDb.cc  | 30 ++++++++++++++++++++++++++++--
 zypp/target/rpm/RpmDb.h   | 11 +++++++++--
 4 files changed, 61 insertions(+), 7 deletions(-)

diff --git a/zypp/target/TargetImpl.cc b/zypp/target/TargetImpl.cc
index 1653e51d2..9ee96c3b5 100644
--- a/zypp/target/TargetImpl.cc
+++ b/zypp/target/TargetImpl.cc
@@ -10,6 +10,7 @@
  *
 */
 #include <iostream>
+#include <string>
 #include "zypp/base/Logger.h"
 #include "zypp/base/Exception.h"
 
@@ -195,8 +196,24 @@ namespace zypp
     rpm::RpmDb & TargetImpl::rpm()
     { return _rpm; }
 
-    bool TargetImpl::providesFile (const std::string & name_str, const std::string & path_str) const
-    { return _rpm.hasFile(path_str); }
+    bool TargetImpl::providesFile (const std::string & path_str, const std::string & name_str) const
+    { return _rpm.hasFile(path_str, name_str); }
+
+      /** Return the resolvable which provides path_str (rpm -qf)
+	  return NULL if no resolvable provides this file  */
+    ResObject::constPtr TargetImpl::whoOwnsFile (const std::string & path_str) const
+    {
+	string name = _rpm.whoOwnsFile (path_str);
+	if (name.empty())
+	    return NULL;
+
+	for (ResStore::const_iterator it = _store.begin(); it != _store.end(); ++it) {
+	    if ((*it)->name() == name) {
+		return *it;
+	    }
+	}
+	return NULL;
+    }
 
 
 
diff --git a/zypp/target/TargetImpl.h b/zypp/target/TargetImpl.h
index d212e2168..bdd1a23c0 100644
--- a/zypp/target/TargetImpl.h
+++ b/zypp/target/TargetImpl.h
@@ -83,7 +83,11 @@ namespace zypp
 
       /** If the package is installed and provides the file
 	  Needed to evaluate split provides during Resolver::Upgrade() */
-      bool providesFile (const std::string & name_str, const std::string & path_str) const;
+      bool providesFile (const std::string & path_str, const std::string & name_str) const;
+
+      /** Return the resolvable which provides path_str (rpm -qf)
+	  return NULL if no resolvable provides this file  */
+      ResObject::constPtr whoOwnsFile (const std::string & path_str) const;
 
     protected:
       /** All resolvables provided by the target. */
diff --git a/zypp/target/rpm/RpmDb.cc b/zypp/target/rpm/RpmDb.cc
index 8f2085eee..6653a9444 100644
--- a/zypp/target/rpm/RpmDb.cc
+++ b/zypp/target/rpm/RpmDb.cc
@@ -1186,10 +1186,36 @@ void RpmDb::traceFileRel( const PkgRelation & rel_r )
 //
 //	DESCRIPTION :
 //
-bool RpmDb::hasFile( const std::string & file_r ) const
+bool RpmDb::hasFile( const std::string & file_r, const std::string & name_r ) const
 {
   librpmDb::db_const_iterator it;
-  return it.findByFile( file_r );
+  bool res;
+  do {
+    res = it.findByFile( file_r );
+    if (!res) break;
+    if (!name_r.empty()) {
+      res = (it->tag_name() == name_r);
+    }
+    ++it;
+  } while (res && *it);
+  return res;
+}
+
+///////////////////////////////////////////////////////////////////
+//
+//
+//	METHOD NAME : RpmDb::whoOwnsFile
+//	METHOD TYPE : string
+//
+//	DESCRIPTION :
+//
+std::string RpmDb::whoOwnsFile( const std::string & file_r) const
+{
+  librpmDb::db_const_iterator it;
+  if (it.findByFile( file_r )) {
+    return it->tag_name();
+  }
+  return "";
 }
 
 ///////////////////////////////////////////////////////////////////
diff --git a/zypp/target/rpm/RpmDb.h b/zypp/target/rpm/RpmDb.h
index 5c5ea8ac7..60d2b6932 100644
--- a/zypp/target/rpm/RpmDb.h
+++ b/zypp/target/rpm/RpmDb.h
@@ -254,9 +254,16 @@ namespace zypp {
         public:
       
           /**
-           * Return true if at least one package owns a certain file.
+           * Return true if at least one package owns a certain file (name_r empty)
+           * Return true if package name_r owns file file_r (name_r nonempty).
            **/
-          bool hasFile( const std::string & file_r ) const;
+          bool hasFile( const std::string & file_r, const std::string & name_r = "" ) const;
+      
+          /**
+           * Return name of package owning file
+           * or empty string if no installed package owns file
+           **/
+          std::string whoOwnsFile( const std::string & file_r ) const;
       
           /**
            * Return true if at least one package provides a certain tag.
-- 
2.34.1