ADDED   nexttag.rb
Index: nexttag.rb
==================================================================
--- /dev/null
+++ nexttag.rb
@@ -0,0 +1,32 @@
+#!/usr/bin/env ruby
+
+
+def get_next_tag
+
+
+  this_branch = `fossil branch`.sub(/\A.*\* /m,'').sub(/\n.*\z/m,'')
+  abort "Not on a version branch like v1.64 (got: >#{this_branch}<)" unless this_branch.match(/^v\d\.\d\d$/)
+  
+  #puts "this branch: #{this_branch}"
+
+  tag_pat = /#{this_branch}(\d\d)/
+  remote=`fsl remote`.chomp.sub(/^file:\/\//,'') # get tagset from origin
+  cmd="fossil tag -R '#{remote}' list"
+  tags = `#{cmd}`.split /\n/
+  abort "fossil command failed [#{cmd}]" if $? != 0
+  branch_tags = tags.find_all{|x| x.match(tag_pat) }.sort
+  if branch_tags.length == 0
+    return this_branch + "01"
+  else
+    latest_tag = branch_tags.last
+    m1 = latest_tag.match(tag_pat)
+    minor_digits = m1[1].to_i + 1
+    if (minor_digits % 10) == 0
+      minor_digits += 1
+    end
+    new_tag=sprintf("%s%02d", this_branch, minor_digits)
+    return new_tag
+  end
+end
+
+print get_next_tag