add esotk static data

Formula/esopipe-esotk.rb

@@ -0,0 +1,24 @@
+class EsopipeEsotk < Formula
+  desc "ESO ESOTK instrument pipeline (static data)"
+  homepage "https://www.eso.org/sci/software/pipelines/"
+  url "https://ftp.eso.org/pub/dfs/pipelines/instruments/esotk/esotk-kit-0.9.7-1.tar.gz"
+  sha256 "2d2db2d352b146b1f7c683cd1ee107bb5275e597ef412474ac4d39163fb6ce36"
+  license "GPL-2.0-or-later"
+
+  livecheck do
+    url :homepage
+    regex(/href=.*?esotk-kit-(\d+(?:[.-]\d+)+)\.t/i)
+  end
+
+  depends_on "esopipe-esotk-recipes"
+
+  def install
+    version_norevision = version.to_s[/(\d+(?:[.]\d+)+)/i, 1]
+    system "tar", "xf", "esotk-calib-#{version_norevision}.tar.gz"
+    (prefix/"share/esopipes/datastatic/esotk-#{version_norevision}").install Dir["esotk-calib-#{version_norevision}/cal/*"]
+  end
+
+  test do
+    system "true"
+  end
+end