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-rw-r--r--apt-private/private-unmet.cc120
1 files changed, 120 insertions, 0 deletions
diff --git a/apt-private/private-unmet.cc b/apt-private/private-unmet.cc
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+// -*- mode: cpp; mode: fold -*-
+// Include Files /*{{{*/
+#include <config.h>
+
+#include <apt-pkg/cachefile.h>
+#include <apt-pkg/cmndline.h>
+#include <apt-pkg/configuration.h>
+#include <apt-pkg/strutl.h>
+
+#include <apt-private/private-cacheset.h>
+#include <apt-private/private-unmet.h>
+
+#include <cstddef>
+
+#include <iostream>
+
+#include <apti18n.h>
+ /*}}}*/
+
+// UnMet - Show unmet dependencies /*{{{*/
+static bool ShowUnMet(pkgCache::VerIterator const &V, bool const Important)
+{
+ bool Header = false;
+ for (pkgCache::DepIterator D = V.DependsList(); D.end() == false;)
+ {
+ // Collect or groups
+ pkgCache::DepIterator Start;
+ pkgCache::DepIterator End;
+ D.GlobOr(Start,End);
+
+ // Important deps only
+ if (Important == true)
+ if (End->Type != pkgCache::Dep::PreDepends &&
+ End->Type != pkgCache::Dep::Depends)
+ continue;
+
+ // Skip conflicts and replaces
+ if (End.IsNegative() == true || End->Type == pkgCache::Dep::Replaces)
+ continue;
+
+ // Verify the or group
+ bool OK = false;
+ pkgCache::DepIterator RealStart = Start;
+ do
+ {
+ // See if this dep is Ok
+ pkgCache::Version **VList = Start.AllTargets();
+ if (*VList != 0)
+ {
+ OK = true;
+ delete [] VList;
+ break;
+ }
+ delete [] VList;
+
+ if (Start == End)
+ break;
+ ++Start;
+ }
+ while (1);
+
+ // The group is OK
+ if (OK == true)
+ continue;
+
+ // Oops, it failed..
+ if (Header == false)
+ ioprintf(std::cout,_("Package %s version %s has an unmet dep:\n"),
+ V.ParentPkg().FullName(true).c_str(),V.VerStr());
+ Header = true;
+
+ // Print out the dep type
+ std::cout << " " << End.DepType() << ": ";
+
+ // Show the group
+ Start = RealStart;
+ do
+ {
+ std::cout << Start.TargetPkg().FullName(true);
+ if (Start.TargetVer() != 0)
+ std::cout << " (" << Start.CompType() << " " << Start.TargetVer() <<
+ ")";
+ if (Start == End)
+ break;
+ std::cout << " | ";
+ ++Start;
+ }
+ while (1);
+
+ std::cout << std::endl;
+ }
+ return true;
+}
+bool UnMet(CommandLine &CmdL)
+{
+ bool const Important = _config->FindB("APT::Cache::Important",false);
+
+ pkgCacheFile CacheFile;
+ if (unlikely(CacheFile.GetPkgCache() == NULL))
+ return false;
+
+ if (CmdL.FileSize() <= 1)
+ {
+ for (pkgCache::PkgIterator P = CacheFile.GetPkgCache()->PkgBegin(); P.end() == false; ++P)
+ for (pkgCache::VerIterator V = P.VersionList(); V.end() == false; ++V)
+ if (ShowUnMet(V, Important) == false)
+ return false;
+ }
+ else
+ {
+ CacheSetHelperVirtuals helper(true, GlobalError::NOTICE);
+ APT::VersionList verset = APT::VersionList::FromCommandLine(CacheFile, CmdL.FileList + 1,
+ APT::CacheSetHelper::CANDIDATE, helper);
+ for (APT::VersionList::iterator V = verset.begin(); V != verset.end(); ++V)
+ if (ShowUnMet(V, Important) == false)
+ return false;
+ }
+ return true;
+}
+ /*}}}*/