From f6df027405b7667cb8ef0f5cc12a496d844294a4 Mon Sep 17 00:00:00 2001
From: Daniel Burrows <dburrows@debian.org>
Date: Wed, 24 Oct 2007 10:27:19 -0700
Subject: Add hypothetical support for homepages, once apt-pkg learns about
 them.  (Closes: #445244)

Once the support is in apt-pkg, I might want to revisit this and add code to,
e.g., run epiphany on the homepage of a package.
---
 configure.ac                |  9 +++++++++
 src/cmdline/cmdline_show.cc |  6 ++++++
 src/pkg_info_screen.cc      |  8 +++++++-
 src/pkg_view.cc             | 12 ++++++++++++
 4 files changed, 34 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 76174b9f..b98eaee4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -96,6 +96,15 @@ AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[#include <apt-pkg/pkgcache.h>]],
 		  AC_DEFINE([HAVE_DDTP], [], [Set to true if apt is DDTP-enabled]),
 		  AC_MSG_RESULT([no]))
 
+AC_MSG_CHECKING([whether apt supports the Homepage: field])
+
+AC_COMPILE_IFELSE(AC_LANG_PROGRAM([[#include <apt-pkg/pkgrecords.h>]],
+				  [[  pkgRecords::Parser p;]]
+				  [[  p.Homepage();]]),
+		   AC_MSG_RESULT([yes])
+		   AC_DEFINE([APT_HAS_HOMEPAGE], [], [Set to true if apt supports the Homepage: field]),
+		   AC_MSG_RESULT([no]))
+
 # Try to guess what namespace the hash stuff is in (maybe I should just
 # use rbltrees instead in most places?)
 if test x$HASH_INC != x
diff --git a/src/cmdline/cmdline_show.cc b/src/cmdline/cmdline_show.cc
index e7a9badf..5c1ede97 100644
--- a/src/cmdline/cmdline_show.cc
+++ b/src/cmdline/cmdline_show.cc
@@ -425,6 +425,12 @@ static fragment *version_file_fragment(pkgCache::VerIterator ver,
 			    get_short_description(ver).c_str()));
   fragments.push_back(indentbox(1, 1, make_desc_fragment(get_long_description(ver))));
 
+#ifdef APT_HAS_HOMEPAGE
+  if(rec.Homepage() != "")
+    fragments.push_back(dropbox(text_fragment(_("Homepage: ")),
+				hardwrapbox(text_fragment(rec.Homepage()))));
+#endif
+
   fragment *tags = make_tags_fragment(pkg);
   if(tags)
     fragments.push_back(fragf("%n%F", tags));
diff --git a/src/pkg_info_screen.cc b/src/pkg_info_screen.cc
index f76c01ed..42ba773a 100644
--- a/src/pkg_info_screen.cc
+++ b/src/pkg_info_screen.cc
@@ -1,6 +1,6 @@
 // pkg_info_screen.cc
 //
-//  Copyright 2000-2002, 2004-2005 Daniel Burrows
+//  Copyright 2000-2002, 2004-2005, 2007 Daniel Burrows
 //
 //  This program is free software; you can redistribute it and/or modify
 //  it under the terms of the GNU General Public License as published by
@@ -95,6 +95,12 @@ void pkg_grouppolicy_info::setup_package_info(const pkgCache::PkgIterator &pkg,
 				    _("Description: "), shortdesc.c_str())));
       frags.push_back(indentbox(2, 2, make_desc_fragment(desc)));
 
+#ifdef APT_HAS_HOMEPAGE
+      if(rec.Homepage() != "")
+	frags.push_back(dropbox(fragf("%B%s%b", _("Homepage: ")),
+				hardwrapbox(text_fragment(rec.Homepage()))));
+#endif
+
       fragment *tags = make_tags_fragment(pkg);
       if(tags != NULL)
 	frags.push_back(fragf("%n%F", tags));
diff --git a/src/pkg_view.cc b/src/pkg_view.cc
index 391316d7..653ce678 100644
--- a/src/pkg_view.cc
+++ b/src/pkg_view.cc
@@ -226,12 +226,24 @@ public:
   void set_package(const pkgCache::PkgIterator &pkg,
 		   const pkgCache::VerIterator &ver)
   {
+#ifdef APT_HAS_HOMEPAGE
+    pkgRecords::Parser &rec=apt_package_records->Lookup(ver.FileList());
+#endif
+
     // Check against pkg.end() to hack around #339533; if ver is a
     // default iterator, pkg.end() is true.
     wstring newdesc(pkg.end() ? L"" : get_long_description(ver));
 
     fragment *frag=make_desc_fragment(newdesc);
 
+#ifdef APT_HAS_HOMEPAGE
+    fragment *homepage =
+      rec.Homepage() == ""
+        ? fragf("")
+      : dropbox(fragf("%B%s%b", _("Homepage")),
+		hardwrapbox(text_fragment(rec.Homepage())));
+#endif
+
     fragment *tags=make_tags_fragment(pkg);
     if(tags != NULL)
       tags = fragf("%n%n%F", tags);
-- 
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