From 5aa95c863d9bc5b0de7dd1279d3ad672193cc3a6 Mon Sep 17 00:00:00 2001
From: Michael Vogt <michael.vogt@ubuntu.com>
Date: Thu, 31 Jul 2008 14:57:38 +0200
Subject: * Apply --important option to apt-cache depends (LP: #16947)

---
 cmdline/apt-cache.cc | 8 +++++++-
 debian/changelog     | 2 +-
 doc/apt-cache.8.xml  | 2 +-
 3 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/cmdline/apt-cache.cc b/cmdline/apt-cache.cc
index d73111b6a..a73e35a53 100644
--- a/cmdline/apt-cache.cc
+++ b/cmdline/apt-cache.cc
@@ -555,6 +555,7 @@ bool Depends(CommandLine &CmdL)
    
    bool Recurse = _config->FindB("APT::Cache::RecurseDepends",false);
    bool Installed = _config->FindB("APT::Cache::Installed",false);
+   bool Important = _config->FindB("APT::Cache::Important",false);
    bool DidSomething;
    do
    {
@@ -577,7 +578,12 @@ bool Depends(CommandLine &CmdL)
 	 
 	 for (pkgCache::DepIterator D = Ver.DependsList(); D.end() == false; D++)
 	 {
-
+	    // Important deps only
+	    if (Important == true)
+	       if (D->Type != pkgCache::Dep::PreDepends &&
+		   D->Type != pkgCache::Dep::Depends)
+		  continue;
+		  
 	    pkgCache::PkgIterator Trg = D.TargetPkg();
 
 	    if((Installed && Trg->CurrentVer != 0) || !Installed)
diff --git a/debian/changelog b/debian/changelog
index c788c1d7d..24f876e44 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -29,7 +29,7 @@ apt (0.7.15) UNRELEASED; urgency=low
 
   [ Dereck Wonnacott ]
   * apt-ftparchive might write corrupt Release files (LP: #46439)
-
+  * Apply --important option to apt-cache depends (LP: #16947) 
 
  --
 
diff --git a/doc/apt-cache.8.xml b/doc/apt-cache.8.xml
index c1e65332d..c359ac3d8 100644
--- a/doc/apt-cache.8.xml
+++ b/doc/apt-cache.8.xml
@@ -289,7 +289,7 @@ Reverse Provides:
      </varlistentry>
 
      <varlistentry><term><option>-i</option></term><term><option>--important</option></term>
-     <listitem><para>Print only important dependencies; for use with unmet. Causes only Depends and 
+     <listitem><para>Print only important dependencies; for use with unmet and depends. Causes only Depends and 
      Pre-Depends relations to be printed.
      Configuration Item: <literal>APT::Cache::Important</literal>.</para></listitem>
      </varlistentry>
-- 
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