diff options
Diffstat (limited to 'apt-pkg/cachefile.cc')
| -rw-r--r-- | apt-pkg/cachefile.cc | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/apt-pkg/cachefile.cc b/apt-pkg/cachefile.cc index 92a3b201b..3e3540bbd 100644 --- a/apt-pkg/cachefile.cc +++ b/apt-pkg/cachefile.cc @@ -26,6 +26,7 @@ #include <apt-pkg/depcache.h> #include <apt-pkg/mmap.h> #include <apt-pkg/pkgcache.h> +#include <apt-pkg/indexfile.h> #include <string.h> #include <unistd.h> @@ -186,6 +187,60 @@ bool pkgCacheFile::Open(OpProgress *Progress, bool WithLock) return true; } /*}}}*/ +bool pkgCacheFile::AddIndexFile(pkgIndexFile * const File) /*{{{*/ +{ + if (SrcList == NULL) + if (BuildSourceList() == false) + return false; + SrcList->AddVolatileFile(File); + + if (Cache == nullptr || File->HasPackages() == false || File->Exists() == false) + return true; + + if (File->FindInCache(*Cache).end() == false) + return _error->Warning("Duplicate sources.list entry %s", + File->Describe().c_str()); + + if (ExternOwner == false) + { + delete DCache; + delete Cache; + } + delete Policy; + DCache = NULL; + Policy = NULL; + Cache = NULL; + + if (ExternOwner == false) + { + // a dynamic mmap means that we have build at least parts of the cache + // in memory – which we might or might not have written to disk. + // Throwing away would therefore be a very costly operation we want to avoid + DynamicMMap * dynmmap = dynamic_cast<DynamicMMap*>(Map); + if (dynmmap != nullptr) + { + { + pkgCacheGenerator Gen(dynmmap, nullptr); + if (File->Merge(Gen, nullptr) == false) + return false; + } + Cache = new pkgCache(Map); + return _error->PendingError() == false; + } + else + { + delete Map; + Map = NULL; + } + } + else + { + ExternOwner = false; + Map = NULL; + } + return true; +} + /*}}}*/ // CacheFile::RemoveCaches - remove all cache files from disk /*{{{*/ // --------------------------------------------------------------------- /* */ |