OutputManager::ignore_succeeded

17 files changed, 115 insertions, 9 deletions

diff --git a/paludis/buffer_output_manager.cc b/paludis/buffer_output_manager.cc
index 0841c07..03c744e 100644
--- a/paludis/buffer_output_manager.cc
+++ b/paludis/buffer_output_manager.cc
@@ -73,6 +73,12 @@ BufferOutputManager::succeeded()
 }
 
 void
+BufferOutputManager::ignore_succeeded()
+{
+    _imp->child->ignore_succeeded();
+}
+
+void
 BufferOutputManager::message(const MessageType, const std::string &)
 {
 }
diff --git a/paludis/buffer_output_manager.hh b/paludis/buffer_output_manager.hh
index 0888545..e255f6b 100644
--- a/paludis/buffer_output_manager.hh
+++ b/paludis/buffer_output_manager.hh
@@ -45,6 +45,7 @@ namespace paludis
             virtual std::ostream & stderr_stream() PALUDIS_ATTRIBUTE((warn_unused_result));
 
             virtual void succeeded();
+            virtual void ignore_succeeded();
             virtual void flush();
             virtual bool want_to_flush() const;
             virtual void nothing_more_to_come();
diff --git a/paludis/command_output_manager.cc b/paludis/command_output_manager.cc
index c9dbb5e..da128f1 100644
--- a/paludis/command_output_manager.cc
+++ b/paludis/command_output_manager.cc
@@ -59,6 +59,7 @@ namespace paludis
         std::unique_ptr<SafeOFStream> stderr_stream;
 
         bool already_nothing_more_to_come;
+        bool ignore_succeeded;
 
         Imp(
                 const std::string & s,
@@ -74,7 +75,8 @@ namespace paludis
             stderr_command(se),
             succeeded_command(su),
             nothing_more_to_come_command(n),
-            already_nothing_more_to_come(false)
+            already_nothing_more_to_come(false),
+            ignore_succeeded(false)
         {
         }
     };
@@ -180,7 +182,7 @@ CommandOutputManager::message(const MessageType, const std::string &)
 void
 CommandOutputManager::succeeded()
 {
-    if (! _imp->succeeded_command.empty())
+    if ((! _imp->ignore_succeeded) && (! _imp->succeeded_command.empty()))
     {
         Process process(ProcessCommand(_imp->succeeded_command));
         if (0 != process.run().wait())
@@ -189,6 +191,12 @@ CommandOutputManager::succeeded()
 }
 
 void
+CommandOutputManager::ignore_succeeded()
+{
+    _imp->ignore_succeeded = true;
+}
+
+void
 CommandOutputManager::flush()
 {
 }
diff --git a/paludis/command_output_manager.hh b/paludis/command_output_manager.hh
index 87850e7..f953b2e 100644
--- a/paludis/command_output_manager.hh
+++ b/paludis/command_output_manager.hh
@@ -59,6 +59,7 @@ namespace paludis
             virtual std::ostream & stderr_stream() PALUDIS_ATTRIBUTE((warn_unused_result));
 
             virtual void succeeded();
+            virtual void ignore_succeeded();
             virtual void flush();
             virtual bool want_to_flush() const;
             virtual void nothing_more_to_come();
diff --git a/paludis/file_output_manager.cc b/paludis/file_output_manager.cc
index b0b0124..e50ef21 100644
--- a/paludis/file_output_manager.cc
+++ b/paludis/file_output_manager.cc
@@ -41,7 +41,7 @@ namespace paludis
         const std::shared_ptr<OutputManager> summary_output_manager;
         const std::string summary_output_message;
 
-        bool succeeded, unlinked, nothing_more_to_come;
+        bool succeeded, unlinked, nothing_more_to_come, ignore_succeeded;
 
         Imp(
                 const FSPath & o,
@@ -58,7 +58,8 @@ namespace paludis
             summary_output_message(s),
             succeeded(false),
             unlinked(false),
-            nothing_more_to_come(false)
+            nothing_more_to_come(false),
+            ignore_succeeded(false)
         {
         }
     };
@@ -102,6 +103,9 @@ FileOutputManager::message(const MessageType, const std::string &)
 void
 FileOutputManager::succeeded()
 {
+    if (_imp->ignore_succeeded)
+        return;
+
     _imp->succeeded = true;
 
     if (! _imp->keep_on_success)
@@ -112,6 +116,12 @@ FileOutputManager::succeeded()
 }
 
 void
+FileOutputManager::ignore_succeeded()
+{
+    _imp->ignore_succeeded = true;
+}
+
+void
 FileOutputManager::flush()
 {
 }
diff --git a/paludis/file_output_manager.hh b/paludis/file_output_manager.hh
index 0ad54f7..f87510a 100644
--- a/paludis/file_output_manager.hh
+++ b/paludis/file_output_manager.hh
@@ -50,6 +50,7 @@ namespace paludis
             virtual std::ostream & stderr_stream() PALUDIS_ATTRIBUTE((warn_unused_result));
 
             virtual void succeeded();
+            virtual void ignore_succeeded();
             virtual void flush();
             virtual bool want_to_flush() const;
             virtual void nothing_more_to_come();
diff --git a/paludis/format_messages_output_manager.cc b/paludis/format_messages_output_manager.cc
index c483067..67605b0 100644
--- a/paludis/format_messages_output_manager.cc
+++ b/paludis/format_messages_output_manager.cc
@@ -151,6 +151,12 @@ FormatMessagesOutputManager::succeeded()
 }
 
 void
+FormatMessagesOutputManager::ignore_succeeded()
+{
+    _imp->child->ignore_succeeded();
+}
+
+void
 FormatMessagesOutputManager::flush()
 {
     _imp->child->flush();
diff --git a/paludis/format_messages_output_manager.hh b/paludis/format_messages_output_manager.hh
index 822c6ef..95203c0 100644
--- a/paludis/format_messages_output_manager.hh
+++ b/paludis/format_messages_output_manager.hh
@@ -66,6 +66,7 @@ namespace paludis
             virtual std::ostream & stderr_stream() PALUDIS_ATTRIBUTE((warn_unused_result));
 
             virtual void succeeded();
+            virtual void ignore_succeeded();
             virtual void flush();
             virtual bool want_to_flush() const;
             virtual void nothing_more_to_come();
diff --git a/paludis/forward_at_finish_output_manager.cc b/paludis/forward_at_finish_output_manager.cc
index c271e27..3c54f0d 100644
--- a/paludis/forward_at_finish_output_manager.cc
+++ b/paludis/forward_at_finish_output_manager.cc
@@ -38,6 +38,7 @@ namespace paludis
         const std::shared_ptr<OutputManager> child;
         bool success;
         bool nothing_more_to_come;
+        bool ignore_succeeded;
 
         Imp(
                 const bool s,
@@ -48,7 +49,8 @@ namespace paludis
             if_failure(f),
             child(m),
             success(false),
-            nothing_more_to_come(false)
+            nothing_more_to_come(false),
+            ignore_succeeded(false)
         {
         }
     };
@@ -90,7 +92,14 @@ ForwardAtFinishOutputManager::stderr_stream()
 void
 ForwardAtFinishOutputManager::succeeded()
 {
-    _imp->success = true;
+    if (! _imp->ignore_succeeded)
+        _imp->success = true;
+}
+
+void
+ForwardAtFinishOutputManager::ignore_succeeded()
+{
+    _imp->ignore_succeeded = true;
 }
 
 void
diff --git a/paludis/forward_at_finish_output_manager.hh b/paludis/forward_at_finish_output_manager.hh
index 954827f..fc6c6cd 100644
--- a/paludis/forward_at_finish_output_manager.hh
+++ b/paludis/forward_at_finish_output_manager.hh
@@ -47,6 +47,7 @@ namespace paludis
             virtual std::ostream & stderr_stream() PALUDIS_ATTRIBUTE((warn_unused_result));
 
             virtual void succeeded();
+            virtual void ignore_succeeded();
             virtual void flush();
             virtual bool want_to_flush() const;
             virtual void message(const MessageType, const std::string &);
diff --git a/paludis/ipc_output_manager.cc b/paludis/ipc_output_manager.cc
index 0e4ba42..1b97e26 100644
--- a/paludis/ipc_output_manager.cc
+++ b/paludis/ipc_output_manager.cc
@@ -151,6 +151,18 @@ IPCOutputManager::succeeded()
 }
 
 void
+IPCOutputManager::ignore_succeeded()
+{
+    *_imp->pipe_command_write_stream << "IGNORE_SUCCEEDED 1" << '\0' << std::flush;
+
+    std::string response;
+    if (! std::getline(*_imp->pipe_command_read_stream, response, '\0'))
+        throw InternalError(PALUDIS_HERE, "couldn't get a pipe command response");
+    if (response != "O")
+        throw InternalError(PALUDIS_HERE, "got response '" + response + "'");
+}
+
+void
 IPCOutputManager::flush()
 {
 }
@@ -293,6 +305,14 @@ IPCInputManager::_pipe_command_handler(const std::string & s)
 
         return "O";
     }
+    else if (tokens[0] == "IGNORE_SUCCEEDED")
+    {
+        if (tokens.size() != 2 || tokens[1] != "1")
+            return "Ebad IGNORE_SUCCEEDED subcommand";
+        _imp->output_manager->ignore_succeeded();
+
+        return "O";
+    }
     else if (tokens[0] == "NOTHING_MORE_TO_COME")
     {
         if (tokens.size() != 2 || tokens[1] != "1")
diff --git a/paludis/ipc_output_manager.hh b/paludis/ipc_output_manager.hh
index a01d6ec..33b2506 100644
--- a/paludis/ipc_output_manager.hh
+++ b/paludis/ipc_output_manager.hh
@@ -51,6 +51,7 @@ namespace paludis
             virtual std::ostream & stderr_stream() PALUDIS_ATTRIBUTE((warn_unused_result));
 
             virtual void succeeded();
+            virtual void ignore_succeeded();
             virtual void flush();
             virtual bool want_to_flush() const;
             virtual void nothing_more_to_come();
diff --git a/paludis/output_manager.hh b/paludis/output_manager.hh
index d938ce9..ce06d49 100644
--- a/paludis/output_manager.hh
+++ b/paludis/output_manager.hh
@@ -1,7 +1,7 @@
 /* vim: set sw=4 sts=4 et foldmethod=syntax : */
 
 /*
- * Copyright (c) 2009, 2010 Ciaran McCreesh
+ * Copyright (c) 2009, 2010, 2011 Ciaran McCreesh
  *
  * This file is part of the Paludis package manager. Paludis is free software;
  * you can redistribute it and/or modify it under the terms of the GNU General
@@ -77,10 +77,24 @@ namespace paludis
              *
              * Calls to this method are done by the caller, not by whatever
              * carries out the action in question.
+             *
+             * If ignore_succeeded() has previously been called, does nothing.
              */
             virtual void succeeded() = 0;
 
             /**
+             * Instructs the output manager to ignore future calls to
+             * succeeded().
+             *
+             * Typically this is used to force log files to be kept even if
+             * an error has occurred, if the error does not trigger the usual
+             * failure mechanisms.
+             *
+             * \since 0.59
+             */
+            virtual void ignore_succeeded() = 0;
+
+            /**
              * May be called to indicate that no further output or messages
              * will occur, allowing for files to be closed off etc.
              *
diff --git a/paludis/standard_output_manager.cc b/paludis/standard_output_manager.cc
index 021473b..87d7c9d 100644
--- a/paludis/standard_output_manager.cc
+++ b/paludis/standard_output_manager.cc
@@ -1,7 +1,7 @@
 /* vim: set sw=4 sts=4 et foldmethod=syntax : */
 
 /*
- * Copyright (c) 2009, 2010 Ciaran McCreesh
+ * Copyright (c) 2009, 2010, 2011 Ciaran McCreesh
  *
  * This file is part of the Paludis package manager. Paludis is free software;
  * you can redistribute it and/or modify it under the terms of the GNU General
@@ -49,6 +49,11 @@ StandardOutputManager::succeeded()
 }
 
 void
+StandardOutputManager::ignore_succeeded()
+{
+}
+
+void
 StandardOutputManager::flush()
 {
 }
diff --git a/paludis/standard_output_manager.hh b/paludis/standard_output_manager.hh
index 027bbe2..ebce384 100644
--- a/paludis/standard_output_manager.hh
+++ b/paludis/standard_output_manager.hh
@@ -1,7 +1,7 @@
 /* vim: set sw=4 sts=4 et foldmethod=syntax : */
 
 /*
- * Copyright (c) 2009, 2010 Ciaran McCreesh
+ * Copyright (c) 2009, 2010, 2011 Ciaran McCreesh
  *
  * This file is part of the Paludis package manager. Paludis is free software;
  * you can redistribute it and/or modify it under the terms of the GNU General
@@ -40,6 +40,7 @@ namespace paludis
             virtual std::ostream & stderr_stream() PALUDIS_ATTRIBUTE((warn_unused_result));
 
             virtual void succeeded();
+            virtual void ignore_succeeded();
             virtual void flush();
             virtual bool want_to_flush() const;
             virtual void message(const MessageType, const std::string &);
diff --git a/paludis/tee_output_manager.cc b/paludis/tee_output_manager.cc
index 530533f..7e33c36 100644
--- a/paludis/tee_output_manager.cc
+++ b/paludis/tee_output_manager.cc
@@ -139,6 +139,26 @@ TeeOutputManager::succeeded()
 }
 
 void
+TeeOutputManager::ignore_succeeded()
+{
+    for (OutputManagerSequence::ConstIterator i(_imp->streams->begin()), i_end(_imp->streams->end()) ;
+            i != i_end ; ++i)
+        (*i)->ignore_succeeded();
+
+    for (OutputManagerSequence::ConstIterator i(_imp->messages_streams->begin()), i_end(_imp->messages_streams->end()) ;
+            i != i_end ; ++i)
+        (*i)->ignore_succeeded();
+
+    for (OutputManagerSequence::ConstIterator i(_imp->stdout_streams->begin()), i_end(_imp->stdout_streams->end()) ;
+            i != i_end ; ++i)
+        (*i)->ignore_succeeded();
+
+    for (OutputManagerSequence::ConstIterator i(_imp->stderr_streams->begin()), i_end(_imp->stderr_streams->end()) ;
+            i != i_end ; ++i)
+        (*i)->ignore_succeeded();
+}
+
+void
 TeeOutputManager::flush()
 {
     for (OutputManagerSequence::ConstIterator i(_imp->streams->begin()), i_end(_imp->streams->end()) ;
diff --git a/paludis/tee_output_manager.hh b/paludis/tee_output_manager.hh
index 8cd603f..52b9568 100644
--- a/paludis/tee_output_manager.hh
+++ b/paludis/tee_output_manager.hh
@@ -54,6 +54,7 @@ namespace paludis
             virtual std::ostream & stderr_stream() PALUDIS_ATTRIBUTE((warn_unused_result));
 
             virtual void succeeded();
+            virtual void ignore_succeeded();
             virtual void flush();
             virtual bool want_to_flush() const;
             virtual void nothing_more_to_come();