Fail early if no current working directory exists

Remove the old "nocwd" behavior that attempts to provide the "--help"
output when no working directory is available.  The long help output
scrolls the real error message out of typical terminal sizes.  Also
execute as little code as possible when no working directory exists.

1 files changed, 2 insertions, 3 deletions

diff --git a/Source/CPack/cpack.cxx b/Source/CPack/cpack.cxx
index 0ba7322..b188918 100644
--- a/Source/CPack/cpack.cxx
+++ b/Source/CPack/cpack.cxx
@@ -180,7 +180,6 @@ int main (int argc, char *argv[])
 {
   cmSystemTools::FindExecutableDirectory(argv[0]);
   cmCPackLog log;
-  int nocwd = 0;
 
   log.SetErrorPrefix("CPack Error: ");
   log.SetWarningPrefix("CPack Warning: ");
@@ -193,7 +192,7 @@ int main (int argc, char *argv[])
     {
     cmCPack_Log(&log, cmCPackLog::LOG_ERROR,
       "Current working directory cannot be established." << std::endl);
-    nocwd = 1;
+    return 1;
     }
 
   std::string generator;
@@ -297,7 +296,7 @@ int main (int argc, char *argv[])
    * should launch cpack using "cpackConfigFile" if it exists
    * in the current directory.
    */
-  if((doc.CheckOptions(argc, argv,"-G") || nocwd) && !(argc==1))
+  if((doc.CheckOptions(argc, argv,"-G")) && !(argc==1))
     {
       help = true;
     }