ENH: Factor out VCS work tree revision checks

This moves checks of the work tree revision before and after update from
cmCTestUpdateHandler::ProcessHandler into the cmCTestVC hierarchy.

1 files changed, 59 insertions, 0 deletions

diff --git a/Source/CTest/cmCTestSVN.cxx b/Source/CTest/cmCTestSVN.cxx
index 9396404..c0e5ddc 100644
--- a/Source/CTest/cmCTestSVN.cxx
+++ b/Source/CTest/cmCTestSVN.cxx
@@ -16,6 +16,10 @@
 =========================================================================*/
 #include "cmCTestSVN.h"
 
+#include "cmCTest.h"
+
+#include <cmsys/RegularExpression.hxx>
+
 //----------------------------------------------------------------------------
 cmCTestSVN::cmCTestSVN(cmCTest* ct, std::ostream& log): cmCTestVC(ct, log)
 {
@@ -35,3 +39,58 @@ void cmCTestSVN::CleanupImpl()
   OutputLogger err(this->Log, "cleanup-err> ");
   this->RunChild(svn_cleanup, &out, &err);
 }
+
+//----------------------------------------------------------------------------
+class cmCTestSVN::InfoParser: public cmCTestVC::LineParser
+{
+public:
+  InfoParser(cmCTestSVN* svn, const char* prefix, std::string& rev):
+    SVN(svn), Rev(rev)
+    {
+    this->SetLog(&svn->Log, prefix);
+    this->RegexRev.compile("^Revision: ([0-9]+)");
+    }
+private:
+  cmCTestSVN* SVN;
+  std::string& Rev;
+  cmsys::RegularExpression RegexRev;
+  virtual bool ProcessLine()
+    {
+    if(this->RegexRev.find(this->Line))
+      {
+      this->Rev = this->RegexRev.match(1);
+      }
+    return true;
+    }
+};
+
+//----------------------------------------------------------------------------
+std::string cmCTestSVN::LoadInfo()
+{
+  // Run "svn info" to get the repository info from the work tree.
+  const char* svn = this->CommandLineTool.c_str();
+  const char* svn_info[] = {svn, "info", 0};
+  std::string rev;
+  InfoParser out(this, "info-out> ", rev);
+  OutputLogger err(this->Log, "info-err> ");
+  this->RunChild(svn_info, &out, &err);
+  return rev;
+}
+
+//----------------------------------------------------------------------------
+void cmCTestSVN::NoteOldRevision()
+{
+  this->OldRevision = this->LoadInfo();
+  this->Log << "Revision before update: " << this->OldRevision << "\n";
+  cmCTestLog(this->CTest, HANDLER_OUTPUT, "   Old revision of repository is: "
+             << this->OldRevision << "\n");
+}
+
+//----------------------------------------------------------------------------
+void cmCTestSVN::NoteNewRevision()
+{
+  this->NewRevision = this->LoadInfo();
+  this->Log << "Revision after update: " << this->NewRevision << "\n";
+  cmCTestLog(this->CTest, HANDLER_OUTPUT, "   New revision of repository is: "
+             << this->NewRevision << "\n");
+}