add option to show command lines in build output

With "qbs build --show-command-lines" one can suppress
command descriptions and show actual command lines instead.

Change-Id: I98328254bad7fb85036abb0525c5ad7e734110c7
Task-number: QBS-615
Reviewed-by: Christian Kandeler <christian.kandeler@digia.com>
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>

1 files changed, 15 insertions, 8 deletions

diff --git a/src/lib/corelib/buildgraph/abstractcommandexecutor.cpp b/src/lib/corelib/buildgraph/abstractcommandexecutor.cpp
index 3549d09c4..3560d20f0 100644
--- a/src/lib/corelib/buildgraph/abstractcommandexecutor.cpp
+++ b/src/lib/corelib/buildgraph/abstractcommandexecutor.cpp
@@ -52,16 +52,23 @@ void AbstractCommandExecutor::start(Transformer *transformer, const AbstractComm
 {
     m_transformer = transformer;
     m_command = cmd;
-    if (!m_command->isSilent()) {
-        if (m_command->description().isEmpty()) {
-            m_logger.printWarning(ErrorInfo(Tr::tr("Command is not marked silent, but has no "
-                                                   "description."), m_command->codeLocation()));
-        } else {
-            emit reportCommandDescription(m_command->highlight(), m_command->description());
-        }
-    }
+    doReportCommandDescription();
     doStart();
 }
 
+void AbstractCommandExecutor::doReportCommandDescription()
+{
+    if (m_command->isSilent())
+        return;
+
+    if (m_command->description().isEmpty()) {
+        m_logger.printWarning(
+                    ErrorInfo(Tr::tr("Command is not marked silent, but has no description."),
+                              m_command->codeLocation()));
+    } else {
+        emit reportCommandDescription(m_command->highlight(), m_command->description());
+    }
+}
+
 } // namespace Internal
 } // namespace qbs