Only mention (warn) when develop is ahead of origin/develop. This is not harmful in any way.
diff --git a/gitflow-sh-setup b/gitflow-sh-setup
index 31935f9..0826758 100755
--- a/gitflow-sh-setup
+++ b/gitflow-sh-setup
@@ -98,7 +98,8 @@
if [ $status -eq 1 ]; then
die "And branch '$1' may be fast-forwarded."
elif [ $status -eq 2 ]; then
- die "And local branch '$1' is ahead of '$2'."
+ # Warn here, since there is no harm in being ahead
+ warn "And local branch '$1' is ahead of '$2'."
else
die "Branches need merging first."
fi