report all instead of first error up the acquire chain

If we don't give a specific error to report up it is likely that all
error currently in the error stack are equally important, so reporting
just one could turn out to be confusing e.g. if name resolution failed
in a SRV record list.

(cherry picked from commit b50dfa6b2dd2d459e0c2746ac9367982b96ffac0)

1 files changed, 14 insertions, 3 deletions

diff --git a/apt-pkg/acquire-method.cc b/apt-pkg/acquire-method.cc
index 82f4b626d..646e96196 100644
--- a/apt-pkg/acquire-method.cc
+++ b/apt-pkg/acquire-method.cc
@@ -80,9 +80,20 @@ void pkgAcqMethod::Fail(bool Transient)
 {
    string Err = "Undetermined Error";
    if (_error->empty() == false)
-      _error->PopMessage(Err);   
-   _error->Discard();
-   Fail(Err,Transient);
+   {
+      Err.clear();
+      while (_error->empty() == false)
+      {
+	 std::string msg;
+	 if (_error->PopMessage(msg))
+	 {
+	    if (Err.empty() == false)
+	       Err.append("\n");
+	    Err.append(msg);
+	 }
+      }
+   }
+   Fail(Err, Transient);
 }
 									/*}}}*/
 // AcqMethod::Fail - A fetch has failed					/*{{{*/