Adds a status-line if everything is synchronized

Author: kd35a

git-branch-status

@@ -7,12 +7,19 @@
 # dns_check (ahead 1) | (behind 112) origin/master
 # master (ahead 2) | (behind 0) origin/master
 
+tot_diff=0
+
 git for-each-ref --format="%(refname:short) %(upstream:short)" refs/heads | \
 while read local remote
 do
     [ -z "$remote" ] && continue
     git rev-list --left-right ${local}...${remote} -- 2>/dev/null >/tmp/git_upstream_status_delta || continue
     LEFT_AHEAD=$(grep -c '^<' /tmp/git_upstream_status_delta)
     RIGHT_AHEAD=$(grep -c '^>' /tmp/git_upstream_status_delta)
+    tot_diff=$LEFT_AHEAD+$RIGHT_AHEAD+$tot_diff
     echo "$local (ahead $LEFT_AHEAD) | (behind $RIGHT_AHEAD) $remote"
-done
+done
+
+if [ "$tot_diff" == "0" ]; then
+    echo "Everything is synchronized."
+fi