X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/e42eb508e01f4de6def088fe941344d3ca733fa5..dd18f4babe1549727ba93eb8100befecff6ad635:/methods/cdrom.cc

diff --git a/methods/cdrom.cc b/methods/cdrom.cc
index a44465766..a2045e729 100644
--- a/methods/cdrom.cc
+++ b/methods/cdrom.cc
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description								/*{{{*/
-// $Id: cdrom.cc,v 1.9 1999/05/23 05:45:13 jgg Exp $
+// $Id: cdrom.cc,v 1.18 2001/05/22 04:01:41 jgg Exp $
 /* ######################################################################
 
    CDROM URI method for APT
@@ -16,16 +16,23 @@
 
 #include <sys/stat.h>
 #include <unistd.h>
+
+#include <iostream>
 									/*}}}*/
 
+using namespace std;
+
 class CDROMMethod : public pkgAcqMethod
 {
-   Configuration Database;
    bool DatabaseLoaded;
+   ::Configuration Database;
    string CurrentID;
+   string CDROM;
+   bool Mounted;
    
    virtual bool Fetch(FetchItem *Itm);
    string GetID(string Name);
+   virtual void Exit();
    
    public:
    
@@ -35,11 +42,23 @@ class CDROMMethod : public pkgAcqMethod
 // CDROMMethod::CDROMethod - Constructor				/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-CDROMMethod::CDROMMethod() : pkgAcqMethod("1.0",SingleInstance | LocalOnly | 
-					  SendConfig), DatabaseLoaded(false)
+CDROMMethod::CDROMMethod() : pkgAcqMethod("1.0",SingleInstance | LocalOnly |
+					  SendConfig | NeedsCleanup |
+					  Removable), 
+                                          DatabaseLoaded(false), 
+                                          Mounted(false)
 {
 };
 									/*}}}*/
+// CDROMMethod::Exit - Unmount the disc if necessary			/*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void CDROMMethod::Exit()
+{
+   if (Mounted == true)
+      UnmountCdrom(CDROM);
+}
+									/*}}}*/
 // CDROMMethod::GetID - Search the database for a matching string	/*{{{*/
 // ---------------------------------------------------------------------
 /* */
@@ -68,13 +87,16 @@ bool CDROMMethod::Fetch(FetchItem *Itm)
    URI Get = Itm->Uri;
    string File = Get.Path;
    FetchResult Res;
-   
+
+   bool Debug = _config->FindB("Debug::Acquire::cdrom",false);
+
    /* All IMS queries are returned as a hit, CDROMs are readonly so 
       time stamps never change */
    if (Itm->LastModified != 0)
    {
       Res.LastModified = Itm->LastModified;
       Res.IMSHit = true;
+      Res.Filename = File;
       URIDone(Res);
       return true;
    }
@@ -108,19 +130,32 @@ bool CDROMMethod::Fetch(FetchItem *Itm)
       return true;
    }
    
-   string CDROM = _config->FindDir("Acquire::cdrom::mount","/cdrom/");
+   CDROM = _config->FindDir("Acquire::cdrom::mount","/cdrom/");
    if (CDROM[0] == '.')
       CDROM= SafeGetCWD() + '/' + CDROM;
    string NewID;
-   while (1)
+   while (CurrentID.empty() == true)
    {
-      if (IdentCdrom(CDROM,NewID) == false)
-	 return false;
-   
-      // A hit
-      if (Database.Find("CD::" + NewID) == Get.Host)
-	 break;
+      bool Hit = false;
+      for (unsigned int Version = 2; Version != 0; Version--)
+      {
+	 if (IdentCdrom(CDROM,NewID,Version) == false)
+	    return false;
+	 
+	 if (Debug == true)
+	    clog << "ID " << Version << " " << NewID << endl;
+      
+	 // A hit
+	 if (Database.Find("CD::" + NewID) == Get.Host)
+	 {
+	    Hit = true;
+	    break;
+	 }	 
+      }
 
+      if (Hit == true)
+	 break;
+	 
       // I suppose this should prompt somehow?
       if (UnmountCdrom(CDROM) == false)
 	 return _error->Error("Unable to unmount the CD-ROM in %s, it may still be in use.",
@@ -133,6 +168,7 @@ bool CDROMMethod::Fetch(FetchItem *Itm)
       }
       
       MountCdrom(CDROM);
+      Mounted = true;
    }
    
    // Found a CD
@@ -141,9 +177,9 @@ bool CDROMMethod::Fetch(FetchItem *Itm)
    if (stat(Res.Filename.c_str(),&Buf) != 0)
       return _error->Error("File not found");
    
-   CurrentID = NewID;
+   if (NewID.empty() == false)
+      CurrentID = NewID;
    Res.LastModified = Buf.st_mtime;
-   Res.IMSHit = true;
    Res.Size = Buf.st_size;
    URIDone(Res);
    return true;