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-rw-r--r--apt-pkg/algorithms.cc6
1 files changed, 4 insertions, 2 deletions
diff --git a/apt-pkg/algorithms.cc b/apt-pkg/algorithms.cc
index 8e55649ca..8626d33dc 100644
--- 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);