Update a comment

diff --git a/tinyos-mirror.sh b/tinyos-mirror.sh
index d0f66045e3aa1315c4b5b90a9c811d0c94ed63a1..d556b50163fcfb1d7b952797cbf45f522b22465c 100755 (executable)
--- a/tinyos-mirror.sh
+++ b/tinyos-mirror.sh
@@ -111,6 +111,16 @@ do_rsync()
 
 locks_present()
 {
+    # git-cvsimport by default skips commits that are not at least 10 minutes
+    # old to try to prevent importing partial commits.  However, because
+    # rsync may take a long time to run, this doesn't really work.  So we look
+    # for lock files and don't sync if they exist.
+    #
+    # For the sf.net tinyos repo, lock files are created with a permissions
+    # level that prevents them from being read by the remote rsync, causing
+    # rsync to error.  For the current configuration of the upstream CVS in
+    # this case, we never really get to test the mettle of this function.
+
     lines=$(find . -name "#cvs*" | wc -l)
     if [ $lines -gt 0 ]; then
        return 0 # locks are present