coreos-ct 0.6.1

Closes #23354.

Signed-off-by: ilovezfs <ilovezfs@icloud.com>

Formula/coreos-ct.rb

@@ -0,0 +1,25 @@
+class CoreosCt < Formula
+  desc "Convert a Container Linux Config into Ignition"
+  homepage "https://coreos.com/os/docs/latest/configuration.html"
+  url "https://github.com/coreos/container-linux-config-transpiler/archive/v0.6.1.tar.gz"
+  sha256 "57cafa9db08caa6bed0290612bebf5d1a763a96fdb21f23de1681fd266b0c3c3"
+
+  depends_on "go" => :build
+
+  def install
+    system "make", "all"
+    bin.install "./bin/ct"
+  end
+
+  test do
+    (testpath/"input").write <<~EOS
+      passwd:
+        users:
+          - name: core
+            ssh_authorized_keys:
+              - ssh-rsa mykey
+    EOS
+    output = shell_output("#{bin}/ct -pretty -in-file #{testpath}/input")
+    assert_match /.*"sshAuthorizedKeys":\s*["ssh-rsa mykey"\s*].*/m, output.strip
+  end
+end