git-cvsimport-script: update cvsps cache instead of rebuilding it

Updating the cache is sufficient for most purposes.
If users really want to rebuild the cache, they can specify
the option themselves.

diff --git a/git-cvsimport-script b/git-cvsimport-script
index 418c209..62df916 100755 (executable)
--- a/git-cvsimport-script
+++ b/git-cvsimport-script
@@ -436,7 +436,7 @@ die "Cannot fork: $!\n" unless defined $pid;
 unless($pid) {
        my @opt;
        @opt = split(/,/,$opt_p) if defined $opt_p;
-       exec("cvsps",@opt,"-x","-A","--cvs-direct",'--root',$opt_d,$cvs_tree);
+       exec("cvsps",@opt,"-u","-A","--cvs-direct",'--root',$opt_d,$cvs_tree);
        die "Could not start cvsps: $!\n";
 }