From 0b5227b8bd47211575e8239a2d2763dd3db3a979 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Tue, 23 Sep 2014 11:56:30 +0000
Subject: downloader.rb: shorthands for usual URI

* tool/downloader.rb (Downloader.uri_to_download): add shorthands
  for commonly used URI.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47694 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 tool/downloader.rb    | 27 +++++++++++++++++++++++++--
 tool/get-config_files |  3 +--
 tool/make-snapshot    |  5 ++---
 3 files changed, 28 insertions(+), 7 deletions(-)

(limited to 'tool')

diff --git a/tool/downloader.rb b/tool/downloader.rb
index ba6ddc15c5..4edbc430c1 100644
--- a/tool/downloader.rb
+++ b/tool/downloader.rb
@@ -1,6 +1,29 @@
 require 'open-uri'
 
 class Downloader
+  def self.gnu(name)
+    "http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=#{name};hb=HEAD"
+  end
+
+  def self.rubygems(name)
+    "https://rubygems.org/downloads/#{name}"
+  end
+
+  def self.uri_to_download(url, name)
+    from, url = url
+    case from
+    when :gnu
+      url = gnu(url || name)
+    when :rubygems, :gems
+      url = rubygems(url || name)
+    when Symbol
+      raise ArgumentError, "unkonwn site - #{from}"
+    else
+      url = from
+    end
+    URI(url)
+  end
+
   def self.mode_for(data)
     data.start_with?("#!") ? 0755 : 0644
   end
@@ -34,7 +57,7 @@ class Downloader
   #           'enc/unicode/data/UnicodeData.txt'
   def self.download(url, name, dir = nil, ims = true)
     file = dir ? File.join(dir, name) : name
-    url = URI(url)
+    url = uri_to_download(url, name)
     begin
       data = url.read(http_options(file, ims))
     rescue OpenURI::HTTPError => http_error
@@ -53,7 +76,7 @@ class Downloader
     end
     true
   rescue => e
-    raise "failed to download #{name}\n#{e.message}: #{url}"
+    raise e.class, "failed to download #{name}\n#{e.message}: #{url}", e.backtrace
   end
 
   def self.download_if_modified_since(url, name, dir = nil)
diff --git a/tool/get-config_files b/tool/get-config_files
index a3fb6dfaf8..113fee0966 100755
--- a/tool/get-config_files
+++ b/tool/get-config_files
@@ -3,8 +3,7 @@ require File.expand_path('../downloader', __FILE__)
 ARGV.each {|n|
   STDOUT.print "Downloading #{n}..."; STDOUT.flush
   begin
-    url = "http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=%s;hb=HEAD" % n
-    Downloader.download(url, n)
+    Downloader.download(:gnu, n)
     STDOUT.puts
   rescue => e
     STDOUT.puts
diff --git a/tool/make-snapshot b/tool/make-snapshot
index 63d67a9052..555870da31 100755
--- a/tool/make-snapshot
+++ b/tool/make-snapshot
@@ -224,8 +224,7 @@ def package(rev, destdir)
       rescue LoadError
         abort "Error!!! Copy 'downloader.rb' from 'tool' directory of the recent ruby repository!"
       end
-      url = "http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=%s;hb=HEAD" % conf
-      Downloader.download(url, conf, "tool")
+      Downloader.download(:gnu, conf, "tool")
     end
     File.open(clean.add("cross.rb"), "w") do |f|
       f.puts "Object.__send__(:remove_const, :CROSS_COMPILING) if defined?(CROSS_COMPILING)"
@@ -283,7 +282,7 @@ def package(rev, destdir)
       bundled_gems.split("\n").map(&:split).each do |gem, ver|
         gem_name = "#{gem}-#{ver}.gem"
         unless File.file?("gems/#{gem_name}")
-          Downloader.download("https://rubygems.org/downloads/#{gem_name}", gem_name, "gems")
+          Downloader.download(:rubygems, gem_name, "gems")
         end
       end
     end
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