From c45233eaf6d08bb6bb6e2dbb57c90a1d52ca9a43 Mon Sep 17 00:00:00 2001
From: David Kalnischkies <kalnischkies@gmail.com>
Date: Mon, 3 Sep 2012 12:28:19 +0200
Subject: * apt-pkg/cdrom.cc:   - copy only configured translation files from a
 CD-ROM and not all     available translation files preventing new installs
 with d-i from     being initialized with all translations (Closes: #678227)  
 - handle Components in the reduction for the source.list as multi-arch CDs   
  otherwise create duplicated source entries (e.g. "wheezy main main")

---
 apt-pkg/aptconfiguration.cc | 11 +++++++++++
 apt-pkg/aptconfiguration.h  |  8 ++++++++
 apt-pkg/cdrom.cc            | 25 +++++++++++++++++++++++++
 apt-pkg/cdrom.h             |  1 +
 4 files changed, 45 insertions(+)

(limited to 'apt-pkg')

diff --git a/apt-pkg/aptconfiguration.cc b/apt-pkg/aptconfiguration.cc
index d31ccb642..653775688 100644
--- a/apt-pkg/aptconfiguration.cc
+++ b/apt-pkg/aptconfiguration.cc
@@ -319,6 +319,17 @@ std::vector<std::string> const Configuration::getLanguages(bool const &All,
 		return codes;
 }
 									/*}}}*/
+// checkLanguage - are we interested in the given Language?		/*{{{*/
+bool const Configuration::checkLanguage(std::string Lang, bool const All) {
+	// the empty Language is always interesting as it is the original
+	if (Lang.empty() == true)
+		return true;
+	// filenames are encoded, so undo this
+	Lang = SubstVar(Lang, "%5f", "_");
+	std::vector<std::string> const langs = getLanguages(All, true);
+	return (std::find(langs.begin(), langs.end(), Lang) != langs.end());
+}
+									/*}}}*/
 // getArchitectures - Return Vector of prefered Architectures		/*{{{*/
 std::vector<std::string> const Configuration::getArchitectures(bool const &Cached) {
 	using std::string;
diff --git a/apt-pkg/aptconfiguration.h b/apt-pkg/aptconfiguration.h
index e098d0fd6..516f451d9 100644
--- a/apt-pkg/aptconfiguration.h
+++ b/apt-pkg/aptconfiguration.h
@@ -67,6 +67,14 @@ public:									/*{{{*/
 	std::vector<std::string> static const getLanguages(bool const &All = false,
 			bool const &Cached = true, char const ** const Locale = 0);
 
+	/** \brief Are we interested in the given Language?
+	 *
+	 *  \param Lang is the language we want to check
+	 *  \param All defines if we check against all codes or only against used codes
+	 *  \return true if we are interested, false otherwise
+	 */
+	bool static const Configuration::checkLanguage(std::string Lang, bool const All = false);
+
 	/** \brief Returns a vector of Architectures we support
 	 *
 	 *  \param Cached saves the result so we need to calculated it only once
diff --git a/apt-pkg/cdrom.cc b/apt-pkg/cdrom.cc
index 8e746ee30..9a9a854bf 100644
--- a/apt-pkg/cdrom.cc
+++ b/apt-pkg/cdrom.cc
@@ -269,6 +269,29 @@ bool pkgCdrom::DropBinaryArch(vector<string> &List)
       --I; // the next entry is at the same index after the erase
    }
    
+   return true;
+}
+									/*}}}*/
+// DropTranslation - Dump unwanted Translation-<lang> files		/*{{{*/
+// ---------------------------------------------------------------------
+/* Here we drop everything that is not configured in Acquire::Languages */
+bool pkgCdrom::DropTranslation(vector<string> &List)
+{
+   for (unsigned int I = 0; I < List.size(); I++)
+   {
+      const char *Start;
+      if ((Start = strstr(List[I].c_str(), "/Translation-")) == NULL)
+	 continue;
+      Start += strlen("/Translation-");
+
+      if (APT::Configuration::checkLanguage(Start, true) == true)
+	 continue;
+
+      // not accepted -> Erase it
+      List.erase(List.begin() + I);
+      --I; // the next entry is at the same index after the erase
+   }
+
    return true;
 }
 									/*}}}*/
@@ -714,6 +737,8 @@ bool pkgCdrom::Add(pkgCdromStatus *log)					/*{{{*/
    DropRepeats(SigList,"InRelease");
    _error->RevertToStack();
    DropRepeats(TransList,"");
+   if (_config->FindB("APT::CDROM::DropTranslation", true) == true)
+      DropTranslation(TransList);
    if(log != NULL) {
       msg.str("");
       ioprintf(msg, _("Found %zu package indexes, %zu source indexes, "
diff --git a/apt-pkg/cdrom.h b/apt-pkg/cdrom.h
index cedfccff7..4fc3d3928 100644
--- a/apt-pkg/cdrom.h
+++ b/apt-pkg/cdrom.h
@@ -60,6 +60,7 @@ class pkgCdrom								/*{{{*/
 		     unsigned int Depth = 0);
    bool DropBinaryArch(std::vector<std::string> &List);
    bool DropRepeats(std::vector<std::string> &List,const char *Name);
+   bool DropTranslation(std::vector<std::string> &List);
    void ReduceSourcelist(std::string CD,std::vector<std::string> &List);
    bool WriteDatabase(Configuration &Cnf);
    bool WriteSourceList(std::string Name,std::vector<std::string> &List,bool Source);
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