hsbt	2018-10-25 19:16:28 +0900 (Thu, 25 Oct 2018)

  New Revision: 65364

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=65364

  Log:
    Added initialization task for default gems.

  Modified files:
    trunk/tool/sync_default_gems.rb
Index: tool/sync_default_gems.rb
===================================================================
--- tool/sync_default_gems.rb	(revision 65363)
+++ tool/sync_default_gems.rb	(revision 65364)
@@ -76,12 +76,6 @@ $repositories = { https://github.com/ruby/ruby/blob/trunk/tool/sync_default_gems.rb#L76
 }
 
 def sync_default_gems(gem)
-  author, repository = $repositories[gem.to_sym].split('/')
-  unless File.exist?("../../#{author}/#{repository}")
-    `mkdir -p ../../#{author}`
-    `git clone git@g...:#{author}/#{repository}.git ../../#{author}/#{repository}`
-  end
-
   puts "Sync #{$repositories[gem.to_sym]}"
 
   case gem
@@ -218,8 +212,35 @@ def sync_lib(repo) https://github.com/ruby/ruby/blob/trunk/tool/sync_default_gems.rb#L212
   `cp -f ../#{repo}/#{repo}.gemspec #{gemspec}`
 end
 
-if ARGV[0]
-  sync_default_gems(ARGV[0])
-else
+def update_default_gems(gem)
+  author, repository = $repositories[gem.to_sym].split('/')
+
+  unless File.exist?("../../#{author}/#{repository}")
+    `mkdir -p ../../#{author}`
+    `git clone git@g...:#{author}/#{repository}.git ../../#{author}/#{repository}`
+  end
+
+  Dir.chdir("../../#{author}/#{repository}") do
+    unless `git remote`.match(/ruby\-core/)
+      `git remote add ruby-core git@g...:ruby/ruby.git`
+      `git fetch ruby-core`
+      `git co ruby-core/trunk`
+      `git branch ruby-core`
+    end
+    `git co ruby-core`
+    `git fetch ruby-core trunk`
+    `git rebase ruby-core/trunk`
+    `git co master`
+    `git stash`
+    `git pull --rebase`
+  end
+end
+
+case ARGV[0]
+when "up"
+  $repositories.keys.each{|gem| update_default_gems(gem.to_s)}
+when "all"
   $repositories.keys.each{|gem| sync_default_gems(gem.to_s)}
+else
+  sync_default_gems(ARGV[0])
 end

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