Deploy akkounts without the application_git cookbook

Use the built-in git resource from Chef instead. poise/application does
not work on modern Chef.

cookbooks/ruby_build/resources/install.rb

@@ -0,0 +1,41 @@
+property :name, String, default: ''
+
+property :git_ref, String,
+  default: 'master',
+  description: 'Git reference to download, set to a tag to get a specific version'
+
+unified_mode true if respond_to? :unified_mode
+
+action :install do
+  src_path = "#{Chef::Config['file_cache_path']}/ruby-build"
+
+  if platform_family?('rhel')
+    if node['platform_version'].to_i >= 8
+      package 'yum-utils'
+
+      execute 'yum-config-manager --enable powertools' do
+        not_if 'yum-config-manager --dump powertools | grep -q "enabled = 1"'
+      end
+    end
+
+    include_recipe 'yum-epel'
+  end
+
+  package %w(tar bash curl git) unless platform_family?('mac_os_x', 'freebsd')
+
+  git src_path do
+    repository 'https://github.com/rbenv/ruby-build.git'
+    revision new_resource.git_ref unless new_resource.git_ref == 'master'
+    retries 5
+    retry_delay 5
+  end
+
+  execute 'Install ruby-build' do
+    cwd src_path
+    command %(sh ./install.sh)
+    not_if do
+      ::File.exist?('/usr/local/bin/ruby-build') &&
+        `#{src_path}/bin/ruby-build --version` == `/usr/local/bin/ruby-build --version`
+    end
+  end
+end