* apt-pkg/contrib/fileutl.{cc,h}:

  - add GetModificationTime() helper
* apt-pkg/pkgcachegen.cc:
  - regenerate the cache if the sources.list changes to ensure
    that changes in the ordering there will be honored by apt
* apt-pkg/sourcelist.{cc,h}:
  - add pkgSourceList::GetLastModifiedTime() helper

1 files changed, 18 insertions, 0 deletions

diff --git a/apt-pkg/sourcelist.cc b/apt-pkg/sourcelist.cc
index 851eefdfe..c96ccfd77 100644
--- a/apt-pkg/sourcelist.cc
+++ b/apt-pkg/sourcelist.cc
@@ -341,4 +341,22 @@ bool pkgSourceList::ReadSourceDir(string Dir)
 
 }
 									/*}}}*/
+// GetLastModified()						/*{{{*/
+// ---------------------------------------------------------------------
+/* */
+time_t pkgSourceList::GetLastModifiedTime()
+{
+   // go over the parts
+   string Main = _config->FindFile("Dir::Etc::sourcelist");
+   string Parts = _config->FindDir("Dir::Etc::sourceparts");
+   vector<string> const List = GetListOfFilesInDir(Parts, "list", true);
+
+   // calculate the time
+   time_t mtime_sources = GetModificationTime(Main);
+   for (vector<string>::const_iterator I = List.begin(); I != List.end(); I++)
+      mtime_sources = std::max(mtime_sources, GetModificationTime(*I));
+
+   return mtime_sources;
+}
+									/*}}}*/