* some WS fixes

[apt.git] / apt-pkg / algorithms.cc

diff --git a/apt-pkg/algorithms.cc b/apt-pkg/algorithms.cc
index 8e55649cac11278bea3d2ee78d7438def806fb33..8626d33dc4e8f850ff85f0031f666d8ff73d9444 100644 (file)
--- a/apt-pkg/algorithms.cc
+++ b/apt-pkg/algorithms.cc
@@ -1386,18 +1386,20 @@ bool pkgMarkUsed(pkgDepCache &Cache, InRootSetFunc func)
    }
 
 
-   // do the mark part
+   // do the mark part, this is the core bit of the algorithm
    for(pkgCache::PkgIterator p=Cache.PkgBegin(); !p.end(); ++p)
    {
       if( (func != NULL ? (*func)(p) : false) ||
-         pkgMarkAlwaysInclude(p, neverAutoRemoveRegexp) ||
+          pkgMarkAlwaysInclude(p, neverAutoRemoveRegexp) ||
         !(Cache[p].Flags & pkgCache::Flag::Auto) ||
          (p->Flags & pkgCache::Flag::Essential))
           
       {
+        // the package is installed (and set to keep)
         if(Cache[p].Keep() && !p.CurrentVer().end())
            pkgMarkPackage(Cache, p, p.CurrentVer(),
                           follow_recommends, follow_suggests);
+        // the package is to be installed 
         else if(Cache[p].Install())
            pkgMarkPackage(Cache, p, Cache[p].InstVerIter(Cache),
                           follow_recommends, follow_suggests);