NEWS.md: Added some missing features

Also, tool/update-NEWS-refs.rb is added to help the update of NEWS.md.

1 files changed, 26 insertions, 0 deletions

diff --git a/tool/update-NEWS-refs.rb b/tool/update-NEWS-refs.rb
new file mode 100644
index 0000000000..8be26b048e
--- /dev/null
+++ b/tool/update-NEWS-refs.rb
@@ -0,0 +1,26 @@
+# Usage: ruby tool/update-NEWS-refs.rb
+
+orig_src = File.read(File.join(__dir__, "../NEWS.md"))
+lines = orig_src.lines(chomp: true)
+
+links = {}
+while lines.last =~ %r{\A\[(?:Feature|Bug) #(\d+)\]:\s+https://bugs\.ruby-lang\.org/issues/\1\z}
+  links[$1] = lines.pop
+end
+
+if links.empty? || lines.last != ""
+  raise "NEWS.md must end with a sequence of links to bugs.ruby-lang.org like \"[Feature #XXXXX]: https://bugs.ruby-lang.org/issues/XXXXX\""
+end
+
+new_src = lines.join("\n").gsub(/\[?\[(Feature|Bug)\s+#(\d+)\]\]?/) do
+  links[$2] ||= "[#$1 ##$2]: ".ljust(17) + "https://bugs.ruby-lang.org/issues/##$2"
+  "[[#$1 ##$2]]"
+end.chomp + "\n\n" + links.keys.sort.map {|k| links[k] }.join("\n") + "\n"
+
+if orig_src != new_src
+  print "Update NEWS.md? [y/N]"
+  $stdout.flush
+  if gets.chomp == "y"
+    File.write(File.join(__dir__, "../NEWS.md"), new_src)
+  end
+end