From 6abf4c4802c15c54742e3e8db9bfcab4207704b9 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@ruby-lang.org>
Date: Fri, 1 Nov 2019 17:24:52 +0900
Subject: [PATCH] [ruby/date] Added update-zonetab target

https://github.com/ruby/date/commit/9bc6e30a82
---
 ext/date/prereq.mk            | 4 ++++
 {bin => ext/date}/update-abbr | 5 +++--
 2 files changed, 7 insertions(+), 2 deletions(-)
 rename {bin => ext/date}/update-abbr (87%)

diff --git a/ext/date/prereq.mk b/ext/date/prereq.mk
index b9d9a24dd4..fa371e0d47 100644
--- a/ext/date/prereq.mk
+++ b/ext/date/prereq.mk
@@ -6,3 +6,7 @@
 	> $(@F)
 
 zonetab.h: zonetab.list
+
+.PHONY: update-zonetab
+update-zonetab:
+	$(RUBY) -C $(srcdir) update-abbr.rb
diff --git a/bin/update-abbr b/ext/date/update-abbr
similarity index 87%
rename from bin/update-abbr
rename to ext/date/update-abbr
index 31a1e06790..e5f6a78c82 100644
--- a/bin/update-abbr
+++ b/ext/date/update-abbr
@@ -1,3 +1,4 @@
+# -*- mode: ruby -*-
 require 'nokogiri'
 require 'open-uri'
 
@@ -24,11 +25,11 @@ end
 
 h.delete_if{|_,v| !v}
 
-lines = File.readlines('ext/date/zonetab.list')
+lines = File.readlines('zonetab.list')
 lines.select{|l| l.include?(',')}.
   map{|l| l.split(',', 2)[0]}.
   each{|a| h.delete(a)}
 
 lines.insert(-2, h.sort.map{|k,v| "#{k},#{v}\n"})
 lines.flatten!
-File.write('ext/date/zonetab.list', lines.join)
+File.write('zonetab.list', lines.join)