replace gem example with bundle exec ruby, distinct from rake example

1 files changed, 21 insertions, 0 deletions

diff --git a/examples/gem/config.rb b/examples/gem/config.rb
new file mode 100755
index 0000000..c4bbc23
--- /dev/null
+++ b/examples/gem/config.rb
@@ -0,0 +1,21 @@
+#!/usr/bin/env ruby
+# Example: Using RCM as a gem inside a Bundler-managed project, without Rake.
+#
+# rcm is declared in the Gemfile and loaded via bundler.
+require 'rcm'
+
+configure do
+  # Only run on the host named 'earth'
+  given { hostname is :earth }
+
+  # Write a WireGuard config rendered from an inline ERB template.
+  file '/tmp/example/wg0.conf' do
+    from template
+
+    <<~TEMPLATE
+      [Interface]
+      Address = <%= "10.0.0.1/24" %>
+      ListenPort = 51820
+    TEMPLATE
+  end
+end