CPack: accept --trace and --trace-expand

Help/manual/cpack.1.rst

@@ -62,6 +62,12 @@ Options
 
  Run cpack with debug output (for CPack developers).
 
+``--trace``
+ Put underlying cmake scripts in trace mode.
+
+``--trace-expand``
+ Put underlying cmake scripts in expanded trace mode.
+
 ``-P <package name>``
  override/define CPACK_PACKAGE_NAME
 

Help/release/dev/cpack_trace.rst

@@ -0,0 +1,4 @@
+cpack_trace
+-----------
+
+* :manual:`cpack(1)` gained ``--trace`` and ``--trace-expand`` options.

Source/CPack/cmCPackGenerator.cxx

@@ -637,6 +637,8 @@ int cmCPackGenerator::InstallProjectViaInstallCMakeProjects(
         cm.GetCurrentSnapshot().SetDefaultDefinitions();
         cm.AddCMakePaths();
         cm.SetProgressCallback(cmCPackGeneratorProgress, this);
+        cm.SetTrace(this->Trace);
+        cm.SetTraceExpand(this->TraceExpand);
         cmGlobalGenerator gg(&cm);
         cmMakefile mf(&gg, cm.GetCurrentSnapshot());
         if (!installSubDirectory.empty() && installSubDirectory != "/" &&

Source/CPack/cmCPackGenerator.h

@@ -35,6 +35,16 @@ public:
       val ? cmSystemTools::OUTPUT_MERGE : cmSystemTools::OUTPUT_NONE;
   }
 
+  /**
+   * Put underlying cmake scripts in trace mode.
+   */
+  void SetTrace(bool val) { this->Trace = val; }
+
+  /**
+   * Put underlying cmake scripts in expanded trace mode.
+   */
+  void SetTraceExpand(bool val) { this->TraceExpand = val; }
+
   /**
    * Returns true if the generator may work on this system.
    * Rational:
@@ -295,6 +305,8 @@ protected:
   ComponentPackageMethod componentPackageMethod;
 
   cmCPackLog* Logger;
+  bool Trace;
+  bool TraceExpand;
 
 private:
   cmMakefile* MakefileMap;

Source/CPack/cpack.cxx

@@ -43,6 +43,8 @@ static const char* cmDocumentationOptions[][2] = {
   { "-D <var>=<value>", "Set a CPack variable." },
   { "--config <config file>", "Specify the config file." },
   { "--verbose,-V", "enable verbose output" },
+  { "--trace", "Put underlying cmake scripts in trace mode." },
+  { "--trace-expand", "Put underlying cmake scripts in expanded trace mode." },
   { "--debug", "enable debug output (for CPack developers)" },
   { "-P <package name>", "override/define CPACK_PACKAGE_NAME" },
   { "-R <package version>", "override/define CPACK_PACKAGE_VERSION" },
@@ -119,6 +121,8 @@ int main(int argc, char const* const* argv)
   bool help = false;
   bool helpVersion = false;
   bool verbose = false;
+  bool trace = false;
+  bool traceExpand = false;
   bool debug = false;
   std::string helpFull;
   std::string helpMAN;
@@ -154,6 +158,10 @@ int main(int argc, char const* const* argv)
   arg.AddArgument("--debug", argT::NO_ARGUMENT, &debug, "-V");
   arg.AddArgument("--config", argT::SPACE_ARGUMENT, &cpackConfigFile,
                   "CPack configuration file");
+  arg.AddArgument("--trace", argT::NO_ARGUMENT, &trace,
+                  "Put underlying cmake scripts in trace mode.");
+  arg.AddArgument("--trace-expand", argT::NO_ARGUMENT, &traceExpand,
+                  "Put underlying cmake scripts in expanded trace mode.");
   arg.AddArgument("-C", argT::SPACE_ARGUMENT, &cpackBuildConfig,
                   "CPack build configuration");
   arg.AddArgument("-G", argT::SPACE_ARGUMENT, &generator, "CPack generator");
@@ -197,6 +205,14 @@ int main(int argc, char const* const* argv)
   globalMF.AddDefinition("CMAKE_LEGACY_CYGWIN_WIN32", "0");
 #endif
 
+  if (trace) {
+    cminst.SetTrace(true);
+  }
+  if (traceExpand) {
+    cminst.SetTrace(true);
+    cminst.SetTraceExpand(true);
+  }
+
   bool cpackConfigFileSpecified = true;
   if (cpackConfigFile.empty()) {
     cpackConfigFile = cmSystemTools::GetCurrentWorkingDirectory();
@@ -340,6 +356,10 @@ int main(int argc, char const* const* argv)
                                                               << std::endl);
             parsed = 0;
           }
+
+          cpackGenerator->SetTrace(trace);
+          cpackGenerator->SetTraceExpand(traceExpand);
+
           if (parsed && !cpackGenerator->Initialize(gen, mf)) {
             cmCPack_Log(&log, cmCPackLog::LOG_ERROR,
                         "Cannot initialize the generator " << gen