ENH: add a touch -E command to cmake

1 files changed, 30 insertions, 0 deletions

diff --git a/Source/cmake.cxx b/Source/cmake.cxx
index 82db89e..4eb92ad 100644
--- a/Source/cmake.cxx
+++ b/Source/cmake.cxx
@@ -941,6 +941,8 @@ void CMakeCommandUsage(const char* program)
     << "  tar [cxt][vfz] file.tar file/dir1 file/dir2 ... - create a tar "
        "archive\n"
     << "  time command [args] ...   - run command and return elapsed time\n"
+    << "  touch file                - touch a file.\n"
+    << "  touch_nocreate file       - touch a file but do not create it.\n"
 #if defined(_WIN32) && !defined(__CYGWIN__)
     << "  write_regv key value      - write registry value\n"
     << "  delete_regv key           - delete registry value\n"
@@ -1096,6 +1098,34 @@ int cmake::ExecuteCMakeCommand(std::vector<std::string>& args)
         }
       return 0;
       }
+    // Touch file
+    else if (args[1] == "touch" && args.size() > 2)
+      {
+      for (std::string::size_type cc = 2; cc < args.size(); cc ++)
+        {
+        // Complain if the file could not be removed, still exists,
+        // and the -f option was not given.
+        if(!cmSystemTools::Touch(args[cc].c_str(), true))
+          {
+          return 1;
+          }
+        }
+      return 0;
+      }
+    // Touch file
+    else if (args[1] == "touch_nocreate" && args.size() > 2)
+      {
+      for (std::string::size_type cc = 2; cc < args.size(); cc ++)
+        {
+        // Complain if the file could not be removed, still exists,
+        // and the -f option was not given.
+        if(!cmSystemTools::Touch(args[cc].c_str(), false))
+          {
+          return 1;
+          }
+        }
+      return 0;
+      }
 
     // Clock command
     else if (args[1] == "time" && args.size() > 2)