scripts/delta: fix "ambiguous argument" when used in branches 
diff --git a/scripts/delta b/scripts/delta index 7e55b16..3920a79 100755 --- a/scripts/delta +++ b/scripts/delta 
@@ -85,8 +85,8 @@  chomp $branch;  # Number of files in git  $afiles=`git ls-files | wc -l`; -$deletes=`git diff-tree --diff-filter=A -r --summary origin/$branch $start | wc -l`; -$creates=`git diff-tree --diff-filter=D -r --summary origin/$branch $start | wc -l`; +$deletes=`git diff-tree --diff-filter=A -r --summary origin/$branch $start 2>/dev/null | wc -l`; +$creates=`git diff-tree --diff-filter=D -r --summary origin/$branch $start 2>/dev/null| wc -l`;    # Time since that tag  $tagged=`git for-each-ref --format="%(refname:short) | %(taggerdate:unix)" refs/tags/* | grep ^$start | cut "-d|" -f2`; # unix timestamp