add build option --check-timestamps

Give users the possibility to force qbs to read the physical
timestamps instead of using the stored timestamps.

Task-number: QBS-303
Change-Id: I6010515b5e8f97ec0b91069cbc7d8a1b0931dce5
Reviewed-by: Christian Kandeler <christian.kandeler@digia.com>

2 files changed, 22 insertions, 0 deletions

diff --git a/src/lib/tools/buildoptions.cpp b/src/lib/tools/buildoptions.cpp
index e836206fb..54b8be547 100644
--- a/src/lib/tools/buildoptions.cpp
+++ b/src/lib/tools/buildoptions.cpp
@@ -46,6 +46,7 @@ public:
     int maxJobCount;
     bool dryRun;
     bool keepGoing;
+    bool forceTimestampCheck;
     bool logElapsedTime;
 };
 
@@ -192,6 +193,24 @@ void BuildOptions::setKeepGoing(bool keepGoing)
 }
 
 /*!
+ * \brief Returns true if qbs is to use physical timestamps instead of the timestamps stored in the
+ * build graph.
+ * The default is \c false.
+ */
+bool BuildOptions::forceTimestampCheck() const
+{
+    return d->forceTimestampCheck;
+}
+
+/*!
+ * \brief Controls whether qbs should use physical timestamps for up-to-date checks.
+ */
+void BuildOptions::setForceTimestampCheck(bool enabled)
+{
+    d->forceTimestampCheck = enabled;
+}
+
+/*!
  * \brief Returns true iff the time the operation takes will be logged.
  * The default is \c false.
  */
diff --git a/src/lib/tools/buildoptions.h b/src/lib/tools/buildoptions.h
index 7bf37c66e..4ac1ab3bd 100644
--- a/src/lib/tools/buildoptions.h
+++ b/src/lib/tools/buildoptions.h
@@ -61,6 +61,9 @@ public:
     bool keepGoing() const;
     void setKeepGoing(bool keepGoing);
 
+    bool forceTimestampCheck() const;
+    void setForceTimestampCheck(bool enabled);
+
     bool logElapsedTime() const;
     void setLogElapsedTime(bool log);