* methods/cdrom.cc:

  - add Acquire::Cdrom::mount "apt-udev-auto" magic to allow
    dynamically finding the cdrom device
* apt-pkg/contrib/cdromutl.{h,cc}:
  - support additional (optional) DeviceName parameter for MountCdrom()

diff --git a/apt-pkg/contrib/cdromutl.cc b/apt-pkg/contrib/cdromutl.cc
index b6524a1785f48e0f258aaf2630460d617377dc55..0cf9697acd48aedfcf1584bc6ba228c22f1ed288 100644 (file)
--- a/apt-pkg/contrib/cdromutl.cc
+++ b/apt-pkg/contrib/cdromutl.cc
@@ -98,7 +98,7 @@ bool UnmountCdrom(string Path)
 // MountCdrom - Mount a cdrom                                          /*{{{*/
 // ---------------------------------------------------------------------
 /* We fork mount and drop all messages */
-bool MountCdrom(string Path)
+bool MountCdrom(string Path, string DeviceName)
 {
    if (IsMounted(Path) == true)
       return true;
@@ -122,8 +122,15 @@ bool MountCdrom(string Path)
       {
         const char *Args[10];
         Args[0] = "mount";
-        Args[1] = Path.c_str();
-        Args[2] = 0;
+        if (DeviceName == "") 
+        {
+           Args[1] = Path.c_str();
+           Args[2] = 0;
+        } else {
+           Args[1] = DeviceName.c_str();
+           Args[2] = Path.c_str();
+           Args[3] = 0;
+        }
         execvp(Args[0],(char **)Args);      
         _exit(100);
       }      

diff --git a/apt-pkg/contrib/cdromutl.h b/apt-pkg/contrib/cdromutl.h
index f24bb8c704fdb85ee1d2447b74a0b3b8998a3fdd..9d14249c53b71fbcfa9d0051dfe60ab308c1ba03 100644 (file)
--- a/apt-pkg/contrib/cdromutl.h
+++ b/apt-pkg/contrib/cdromutl.h
@@ -14,7 +14,8 @@
 
 using std::string;
 
-bool MountCdrom(string Path);
+// mount cdrom, DeviceName (e.g. /dev/sr0) is optional
+bool MountCdrom(string Path, string DeviceName="");
 bool UnmountCdrom(string Path);
 bool IdentCdrom(string CD,string &Res,unsigned int Version = 2);
 bool IsMounted(string &Path);

diff --git a/debian/changelog b/debian/changelog
index 65fd9e5901b84b3beb854352f8cf0882d345caf9..cce7fc0f779b39aabb829c454178af66d134f20b 100644 (file)
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+apt (0.7.22) unstable; urgency=low
+
+  * add Acquire::Cdrom::mount "apt-udev-auto" magic to allow
+    dynamically finding the cdrom device
+
+ -- Michael Vogt <michael.vogt@ubuntu.com>  Wed, 22 Jul 2009 18:00:53 +0200
+
 apt (0.7.21) UNRELEASED; urgency=low
 
   [ Osamu Aoki ]

diff --git a/methods/cdrom.cc b/methods/cdrom.cc
index 7a20ae514f7cc8ee18197e10fe631fe3dcdf6d48..cd0d4e5120dd2d5b50d3fe05ecd6d39d7d9d0653 100644 (file)
--- a/methods/cdrom.cc
+++ b/methods/cdrom.cc
@@ -9,6 +9,7 @@
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/
 #include <apt-pkg/acquire-method.h>
+#include <apt-pkg/cdrom.h>
 #include <apt-pkg/cdromutl.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/configuration.h>
@@ -33,6 +34,7 @@ class CDROMMethod : public pkgAcqMethod
    string CDROM;
    bool MountedByApt;
  
+   bool IsCorrectCD(URI want, string MountPath);
    virtual bool Fetch(FetchItem *Itm);
    string GetID(string Name);
    virtual void Exit();
@@ -84,6 +86,31 @@ string CDROMMethod::GetID(string Name)
    return string();
 }
                                                                        /*}}}*/
+
+// CDROMMethod::IsCorrectCD                                             /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool CDROMMethod::IsCorrectCD(URI want, string MountPath)
+{
+   bool Debug = _config->FindB("Debug::Acquire::cdrom",false);
+   string NewID;
+
+   for (unsigned int Version = 2; Version != 0; Version--)
+   {
+      if (IdentCdrom(MountPath,NewID,Version) == false)
+        return false;
+      
+      if (Debug == true)
+        clog << "ID " << Version << " " << NewID << endl;
+      
+      // A hit
+      if (Database.Find("CD::" + NewID) == want.Host)
+        return true;
+   }
+   
+   return false;
+}
+                                                                       /*}}}*/
 // CDROMMethod::Fetch - Fetch a file                                   /*{{{*/
 // ---------------------------------------------------------------------
 /* */
@@ -134,8 +161,44 @@ bool CDROMMethod::Fetch(FetchItem *Itm)
       Fail(_("Wrong CD-ROM"),true);
       return true;
    }
-   
+
    CDROM = _config->FindDir("Acquire::cdrom::mount","/cdrom/");
+
+   // auto-detect mode
+   if (CDROM == "apt-udev-auto/") 
+   {
+      pkgUdevCdromDevices udev;
+      if(udev.Dlopen())
+      {
+        vector<struct CdromDevice> v = udev.Scan();
+        for (unsigned int i=0; i < v.size(); i++)
+        {
+           if (!v[i].Mounted) 
+           {
+              if (!FileExists("/media/apt"))
+                 mkdir("/media/apt", 0755);
+              if(MountCdrom("/media/apt", v[i].DeviceName)) 
+              {
+                 if (IsCorrectCD(Get, "/media/apt"))
+                 {
+                    MountedByApt = true;
+                    CDROM = "/media/apt";
+                    break;
+                 } else {
+                    UnmountCdrom("/media/apt");
+                 }
+              }
+           } else {
+              if (IsCorrectCD(Get, v[i].MountPath))
+              {
+                 CDROM = v[i].MountPath;
+                 break;
+              }
+           }
+        }
+      }
+   }
+
    if (CDROM[0] == '.')
       CDROM= SafeGetCWD() + '/' + CDROM;
    string NewID;
@@ -144,23 +207,8 @@ bool CDROMMethod::Fetch(FetchItem *Itm)
       bool Hit = false;
       if(!IsMounted(CDROM))
         MountedByApt = MountCdrom(CDROM);
-      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)
+      if (IsCorrectCD(Get, CDROM))
         break;
         
       // I suppose this should prompt somehow?