Improved the usage message.

diff --git a/support/patch-update b/support/patch-update
index 2d07356..502380d 100755 (executable)
--- a/support/patch-update
+++ b/support/patch-update
@@ -104,7 +104,7 @@ if ($incl_generated_files) {
 }
 
 sleep 1 if $last_touch == time;
 }
 
 sleep 1 if $last_touch == time;

-system "git checkout master" and die $!;
+system "git checkout master" and exit 1;

 
 exit;
 
 
 exit;
 


@@ -181,7 +181,7 @@ sub usage
     die <<EOT;
 Usage: patch-update [OPTIONS]
 
     die <<EOT;
 Usage: patch-update [OPTIONS]
 

---gen[=DIR]   Inlcude generated files.
---skip-check  Skip the master-branch, clean-checkout check.
+--gen[=DIR]   Include generated files.  Optional dest DIR overrides "patches".
+--skip-check  Skip the check that ensures starting with a clean master branch.

 EOT
 }
 EOT
 }