Add git-sync user

for GitHub -> git.ruby-lang.org sync over SSH

Author: k0kubun

recipes/default.rb

@@ -9,6 +9,7 @@
 include_recipe 'postfix'
 include_recipe 'cgit'
 include_recipe 'git-user'
+include_recipe 'git-sync-user'
 include_recipe 'git-sync-check'
 
 remote_file '/etc/sudoers'

recipes/files/home/git-sync/.ssh/authorized_keys

@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJWzYmv0cH2HnvHe7jdluQ1GcOStHohoas4XHYZR4EQF

recipes/git-sync-user.rb

@@ -0,0 +1,22 @@
+user "git-sync" do
+  shell "/bin/bash"
+  home "/home/git-sync"
+end
+
+directory "/home/git-sync" do
+  owner "git-sync"
+  group "git-sync"
+  mode "0755"
+end
+
+directory "/home/git-sync/.ssh" do
+  owner "git-sync"
+  group "git-sync"
+  mode "0700"
+end
+
+remote_file "/home/git-sync/.ssh/authorized_keys" do
+  owner "git-sync"
+  group "git-sync"
+  mode  "600"
+end