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-rw-r--r--apt-pkg/pkgcachegen.cc23
1 files changed, 18 insertions, 5 deletions
diff --git a/apt-pkg/pkgcachegen.cc b/apt-pkg/pkgcachegen.cc
index 8f9737e26..efd764b51 100644
--- a/apt-pkg/pkgcachegen.cc
+++ b/apt-pkg/pkgcachegen.cc
@@ -105,6 +105,9 @@ void pkgCacheGenerator::ReMap(void const * const oldMap, void const * const newM
if (oldMap == newMap)
return;
+ if (_config->FindB("Debug::pkgCacheGen", false))
+ std::clog << "Remaping from " << oldMap << " to " << newMap << std::endl;
+
Cache.ReMap(false);
CurrentFile += (pkgCache::PackageFile*) newMap - (pkgCache::PackageFile*) oldMap;
@@ -684,7 +687,7 @@ bool pkgCacheGenerator::NewDepends(pkgCache::PkgIterator &Pkg,
string const &Version,
unsigned int const &Op,
unsigned int const &Type,
- map_ptrloc *OldDepLast)
+ map_ptrloc* &OldDepLast)
{
void const * const oldMap = Map.Data();
// Get a structure
@@ -915,8 +918,11 @@ unsigned long pkgCacheGenerator::WriteUniqString(const char *S,
/* This just verifies that each file in the list of index files exists,
has matching attributes with the cache and the cache does not have
any extra files. */
-static bool CheckValidity(const string &CacheFile, FileIterator Start,
- FileIterator End,MMap **OutMap = 0)
+static bool CheckValidity(const string &CacheFile,
+ pkgSourceList &List,
+ FileIterator Start,
+ FileIterator End,
+ MMap **OutMap = 0)
{
bool const Debug = _config->FindB("Debug::pkgCacheGen", false);
// No file, certainly invalid
@@ -927,6 +933,13 @@ static bool CheckValidity(const string &CacheFile, FileIterator Start,
return false;
}
+ if (List.GetLastModifiedTime() < GetModificationTime(CacheFile))
+ {
+ if (Debug == true)
+ std::clog << "sources.list is newer than the cache" << std::endl;
+ return false;
+ }
+
// Map it
FileFd CacheF(CacheFile,FileFd::ReadOnly);
SPtr<MMap> Map = new MMap(CacheF,0);
@@ -1152,7 +1165,7 @@ bool pkgCacheGenerator::MakeStatusCache(pkgSourceList &List,OpProgress *Progress
Progress->OverallProgress(0,1,1,_("Reading package lists"));
// Cache is OK, Fin.
- if (CheckValidity(CacheFile,Files.begin(),Files.end(),OutMap) == true)
+ if (CheckValidity(CacheFile, List, Files.begin(),Files.end(),OutMap) == true)
{
if (Progress != NULL)
Progress->OverallProgress(1,1,1,_("Reading package lists"));
@@ -1205,7 +1218,7 @@ bool pkgCacheGenerator::MakeStatusCache(pkgSourceList &List,OpProgress *Progress
// Lets try the source cache.
unsigned long CurrentSize = 0;
unsigned long TotalSize = 0;
- if (CheckValidity(SrcCacheFile,Files.begin(),
+ if (CheckValidity(SrcCacheFile, List, Files.begin(),
Files.begin()+EndOfSource) == true)
{
if (Debug == true)